GAIL INDIA LTD. (A GOVT OF INDIA UNDERTAKING)gailtenders.in/writereaddata/Tender/tender...

PROJECT NO. 08-0263-Intgtd TITLE: Technical Specification for Electrical Works

DOCUMENT NO.: 08-0263-intgtd/E.03/A4/005

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GAIL INDIA LTD. (A GOVT OF INDIA UNDERTAKING)

TENDER FOR THE “INTERNAL AND EXTERNAL ELECTRICAL WORKS OF GAIL JUBILEE TOWER

AT B-35 & 36, SEC-I, NOIDA, UP

VOLUME – II

TECHNICAL SPECIFICATIONS FOR ELECTRICAL WORKS ARCHITECT M/S NIRMAN CONSULTANTS PVT LTD E92, LOWER GROUND FLOOR KALKAJI, NEW DELHI – 110019 PHONE : 011 26453045, 46, 41605084 FAX : 011 41605084



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TABLE OF CONTENTS

SR. NO. DESCRIPTION PAGE NO.

1 Introduction 2

2 Scope 2

3 Project Requirements & Site Conditions 3

4 Specific Technical Requirements 4

5 Technical Specification 9

5.1 Internal Wiring 9

5.2 Lighting Fittings & Socket Outlets 19

5.3 Lighting Control (Lux sensor, Dimming etc.) 23

5.4 External & Landscape Lighting 25

5.5 Cables & Terminations 27

5.6 Electrical Panels/ Distribution Boards etc. 35

5.7 Bus Duct & Rising Mains 41

5.8 UPS System 44

5.9 IT & Telecommunication 47

5.10 Fire Detection & Alarm System 62

5.11 Close Circuit Television Camera (CCTV) 72

5.12 Public Address System 79

5.13 Safety & Misc. Equipment 79

5.14 Earthing System 80

5.15 Lightning Protection System 85

6 Attachments 85



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TECHNICAL SPECIFICATIONS 1.0 INTRODUCTION

GAIL India Ltd. has proposed to set up a corporate office building, considering the concept of green building, which is to be developed at sector-1 Noida. Total area of the Plot is 3.94 acre, which houses an exiting building and the total Built up area of the proposed project is approx.18,423 Sq.m. Building consists of ground floor with twenty one floors having total covered area of 2,10,000 Sq.ft. Building also consist of a basement of approx 1,50,000 Sq.ft for car parking as well as housing of various services.

2.0 SCOPE

This specification covers the design, manufacturing, inspection, testing, painting, packing, forwarding, supply, installation, testing and commissioning of complete Electrical Works with all its fittings & accessories etc. as required.

Details of Supply & Installation Scope have been clearly specified in the attached Schedule of Quantities, Document No. 08-0263-intgtd/E.05/A4/005 This specification covers technical requirements for equipment, materials and supply installation methods, testing and commissioning of electrical works which will generally include the following.

- Internal Wiring & conduiting

- Internal Lighting Fittings / Data / Raw Power / UPS socket Outlets

- Lighting Control (Lux sensor, Dimming etc.)

- External & Landscape Lighting

- Cables and Terminations

- Electrical Panels/ Distribution Boards etc.

- Bus Duct & Rising Mains

- UPS System

- IT & Telecommunication

- Fire Detection & Alarm System

- Close Circuit Television Camera (CCTV)

- Public Address System

- Safety & Misc. Equipment

- Earthing System

- Lightning Arrester

It is not the intent to completely specify all details of design and construction, nevertheless the equipment shall conform to high standards of engineering, design and workmanship so that the ultimate intent of service for which the equipment is meant is met.



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3.0 PROJECT REQUIREMENTS & SITE CONDITIONS Project Information:

General Definitions:

Vendor : The Prospective Contractor

Client : GAIL India Ltd.

Consultant : EiGEN Technical Services Private Limited

Project Name : GAIL JUBILEE TOWER

Location : Noida

Site Conditions and Climatic Data:

Site Access:

Rail : Nearest is Ghaziabad Railway Station.

Road : Site well connected by road, on National Highway 24

Climatic Data:

Ambient temperature

Maximum : 43°C

Minimum : 4°C

Design air temperature

Maximum : 45°C

Minimum : 4°C

Altitude : <1000M (above MSL)

Power Supply Conditions

High Voltage Side : 33 kV ±10%, 50Hz ± 3%, 3 phase, 3 wires, combined voltage

and frequency Variation ±10%.

Low Voltage Side : 415 V ±10%, 50 Hz ± 3%, 3 phase, 4 wire, combined

voltage and Frequency variation ±10%



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4.0 SPECIFIC TECHNICAL REQUIREMENTS 4.1 Work shall include obtaining approvals for entire electrical installations & other miscellaneous systems etc., from statutory authorities, local authorities and electrical inspectorate complete in all respects.

− This shall also include making drawings for approval purposes (if any). Necessary test report / drawings shall be submitted by contractor to Electrical Inspector.

− Contractor shall mark various changes/modifications carried out during installation on one set of drawings for preparation of AS BUILT documents/drawings, by originator.

− Rates mentioned in the schedule of quantities shall be complete including charges for supply, erection, testing, commissioning.

o The work shall be inclusive of charges for unloading of equipment, shifting of equipment from place of unloading to stores and from stores upto the place of installation, wherever required, for all client / contractor supplied items and equipment.

o Conduits for computer and telephone system should be kept at least 300mm apart from power,

control and lighting cable / wires.

o Quantities indicated in the schedule of quantities are estimated only and the contractor shall carry out installation of actual quantities as per requirements at site.

o All free standing panels / wall mounted panels / cable trays etc. shall be fixed on wall / floor /

ceiling by means of anchor bolts / channels / fasteners. Steel works i.e. anchor bolts / channels / fasteners for installation of electrical equipment shall be supplied by Contractor.

o All cables/ bus duct openings etc. where cable or bus duct enters from one area to another area

shall be sealed with flameproof sealant & both supply & sealing charges shall be included in rates of respective items.

o Major civil work shall be carried out by others. However minor civil work such as grouting,

making holes / cut-outs in floor or wall etc. required for electrical installation shall form part of installation work. Contractor’s scope of work includes supply of foundation bolts, sealing of cable trays, cut-outs / openings. After laying the cable / erecting the Bus Duct, any breakage of walls or masonry made by contractor during installation shall be made good by him after completion of his specified work and shall not be paid extra.

4.2 Installation Documents

The Contractor shall carry out, unless stated otherwise in the Description of Works, and shown on the Project Drawings, all electrical installation as per the design including the following:

− Single Line Diagram for Power and Lighting distribution, Earthing System, Communication System.

− Schematic & Control wiring Diagrams for Circuit Breakers, Motor Control and other Electrical Controls.

− Location of items of electrical equipment, including Switchgears, Transformers, Generating Set(s), Control Batteries, Motor Control Centers, Power & Lighting Distribution Boards, Motors,



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Control Stations, Light Fittings, Socket Outlets, Switches, Instruments, Instrument/Control panels, Communication Fire & Alarm Systems, etc.

− Main routes for distribution of power, control, lighting and instrumentation cabling, earthing system, with size and construction details, of associated trenches, ducts, overhead cable trays, floor / wall cut-outs etc.

− Cable Schedule, giving type and sizes of cables, respective termination points, approximate route length, etc. for all power, control and instrument cables and for main lighting cables.

− Sub-circuiting of distribution boards for power, lighting, socket outlet supplies and control. − Layouts of earthing system showing earth electrodes, main earth loops or earthing system,

details of construction and earth connections to equipment, for both equipment and static earthing systems.

− Typical installation details for Power, Lighting and earthing. − Material take-off Schedule (Bill of Materials). − Basis of Design & Design Calculations

4.3 Steel Work:

− All steel shall be thoroughly cleaned, degreased, de-rusted, sand blasted and painted with 2 coats of primer and 2 coats of epoxy paint (631 of IS: 5).

− Steel work shall not be paid extra and shall be deemed to be included in the specific item rates for installation.

− Installation rate shall include fabrication, consumable materials and installation of structural steel as required.

− For minor steelwork for brackets / mounting frames, the approval may be obtained from Purchaser’s site engineer in charge of construction supervision. Miscellaneous consumable materials such as solder flux, welding electrodes, insulating and adhesive tape, PVC sleeving, tapes, petroleum conducting jelly, binding wire, tagging plates, flexible cables, cleat, saddles, clamps, anchor fasteners etc. shall form a part of installation and shall not be paid separately.

4.4 Construction Power:

Electrical construction power shall be arranged by the contractor at their own cost. Owner shall provide a space only for installation of DG Sets at Site. This shall also be inclusive of all the switchgears, cables, distribution arrangements, fuel for DG Sets, inclusive of obtaining necessary sanctions approval, maintenance & operational expenses as required.

4.5 Shop Drawings and Documents:

− Shop drawings and documents including diagrams and schedules shall show the details of the Contractor's proposals for the execution of the works and shall include everything necessary for the following purposes:

o To illustrate in details, the arrangement of the various sections of the works and to identify the various components;

o To integrate the works with the detail of the building and other installations.

− Shop drawings shall include:

o General layout drawings showing the location of all equipment including cable; cable tray, conduit ducting and earth electrodes;

o Detailed layout drawings showing the location of all equipment including cable, cable tray, conduit and ducting in switch rooms and plant rooms;

o Assembly drawings of factory Built equipment and site built assemblies; o Detailed layout drawings showing the connection of cable and conduit to equipment;



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o Detailed layout drawings showing the connections through ceiling voids and vertical shafts; o System diagrams, circuit diagrams and wiring diagrams for all installations and equipment.

− Diagrams shall comply with relevant IS. Interconnection diagrams shall indicate the type of cable, conductor size and terminal numbering.

4.6 Execution of Work:

The contractor shall carry out all the work in accordance with shop drawings approved by client / consultant for construction (shop drawing shall be made by contractor) including drawing revisions made from time to time.

4.7 Inspection, Testing & Commissioning:

− Testing and commissioning of the entire electrical installation shall be carried out in accordance with attached specifications. Contractor shall arrange all testing equipment instruments and apparatus.

− Contractor shall record all test results obtained during commissioning in prescribed “Electrical Test Reports” and get the same duly signed by the person-conducting test and by authorised representative of owner. After completion of work six sets of electrical test report documents shall be submitted to Owner.

4.8 Miscellaneous Requirements:

− The contractor shall possess a valid contractor’s license for the state of Utter Pradesh (UP) and shall ensure its validity during the entire duration of the contract. The contractor shall furnish authenticated copies of certificates to the Purchaser for himself and his workmen before commencement of work.

− Contractor shall note that the complete installation confirms to all relevant standards and safety guidelines and to comply with the requirements laid down by latest IE Rules. The compliance shall be applicable to design, fabrication, installation, testing and commissioning.

4.9 Extra Items:

Extra items of work pertaining to installation of electrical system may have to be carried out by the contractor wherever required. The contractor shall submit to the purchaser such invoices covering unit rates or lump sum prices for such extra items. Such invoices shall be complete with supporting documentation and satisfactory evidence.

4.10 As Built Drawings:

Three sets of “As Built Drawings” shall be submitted to the purchaser / consultant after completion of work without any extra claim. Contractor’s final payments shall not be made unless the contractor submits ‘As Built Drawings’.

4.11 General:

− All free standing boards i.e. PCC’s, MCC’s, MLDB/PDBs etc. shall be fixed on trenches or on the floor by means of anchor bolts, Contractor shall have to provide necessary cross channels and chequered plates on the Cut-outs for installation of panels, as required. For wall mounting type panels like Lighting / Power distribution boards etc., suitable mounting frame / brackets shall be fabricated by the contractor. These brackets shall be fixed to the column / wall with anchor fasteners and all boards shall be fixed to the brackets by nuts & bolts.



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− The item rate for installation of light fittings shall include installation of Light fittings & lamps, installation of steel work, required conduits for lighting fixtures and junction boxes for wiring of fittings, flexible cables for junction box to light fitting and gland for flexible cable, suspension conduit / flat / angle or pipe etc. and hardware as shown in various drawings or Miscellaneous details of lighting. Termination using standard cable gland for armoured lighting circuit cables will be considered under relevant termination items or as covered in the relevant items.

− All steel fabrication and installation including all consumables and necessary hardware like anchor fasteners, nuts, bolts, flats and spring washers shall be in the scope of contractor and inbuilt in fabrication & installation cost.

− The work and equipment offered shall generally comply with all the requirements of the enclosed drawings, specifications and schedule of quantities. However, in absence if any typical detail, contractor shall prepare the same and shall get it approved from the owner / consultant prior to start of work.

− The work shall include arranging stage wise / final inspection of all the bought out items and approval of drawings / documents for these equipment / items from client / consultant.

− Contractor shall fabricate the cable trays, supports, base frames & mounting frames etc. as per the approved drawings & details etc.

− Contractor to co-ordinate with commissioning engineers of manufacturer for complete installation & commissioning of Electrical equipment and to provide necessary assistance in terms of tools, tackles & manpower, if required.

− Bends in the GI pipes shall be made by contractor using hydraulic bending machines. Arrangement of bending machine shall be in contractor’s scope.

− All equipment supplied by owner / other agencies shall be installed by contractor as per manufacturer’s instruction. Where manufacturer has furnished specific instructions, relating to the material and equipment used in this project, covering points not specifically mentioned in these documents, manufacturer’s instructions shall also be followed in that case.

4.12 Drawings and Technical Documents:

− All the drawings shall be prepared on computer through AutoCAD System. − Drawings shall include layouts for all conduit layouts, distribution panels, switch boards, cabinets,

special pull boxes, cable trays; electrical panels inside/outside views, power and control wiring schematics, cable trays, supports and terminations.

− These drawings shall contain all information required to complete the Design & Execute Works and shall contain details of construction, size, arrangement, operating clearances, performance characteristics and capacity of all items of equipment, also the details of all related items of work.

− Each item of equipment/material proposed shall be a standard catalogue product of an established manufacturer from the list of approved makes.

− Manufacturers’ drawings, catalogues, pamphlets and other documents shall be maintained in the Records Office. Each item in each set shall be properly labeled, indicating the specific services for which material or equipment is to be used, giving reference to the governing section and clause number and clearly identifying the items and the operating characteristics.

− Samples of all materials like conduits, accessories, switches, wires, control cables etc shall be maintained at site in a dedicated samples room provided by the Contractor.

4.13 Quiet Operation and Vibration Isolation:

All equipment shall operate under all conditions of load without any sound or vibration which is objectionable in the opinion of the Employer’s Representative. In case of rotating machinery sound or vibration noticeable outside the room in which it is installed, or annoyingly noticeable



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inside its own room, shall be considered objectionable. Such conditions shall be corrected by the Contractor at his own expense.

4.14 Accessibility

The Contractor shall verify the sufficiency of the size of the shaft openings, clearances in wall cavities and suspended ceilings for proper installation of his conduits cables, cable trays, panels etc. The Contractor shall locate all equipment which must be serviced, operated or maintained in fully accessible positions.

4.15 Materials and Equipment

All materials and equipment shall conform to the relevant Indian Standards and shall be of the approved make and design. Makes shall be strictly in conformity with list of approved makes.

4.16 Vendor to enclose following documents along with the offer:

− List of deviations if any.

− Confirmation of Compliance to Technical specification.

4.17 Safety requirements:

− Safety procedures as laid down in Indian Standards shall be strictly followed during erection and commissioning.

− The safety provisions required under the IEE Rules shall be provided for which no extra payment shall be made.



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5.0 TECHNICAL SPECIFICATIONS 5.1 Internal Wiring 5.1.1 General

Technical Specifications in this section cover the Internal Wiring Installations comprising of:

− Wiring of lights / raw power / convenience socket outlets etc. in concealed /surface conduit / Raceways.

− Sub main wiring.

5.1.2 Standards & Codes

The following Indian Standard Specifications and Codes of Practice will apply to the equipment and the work covered by the scope of this contract. In addition the relevant clauses of the Indian Electricity Act 1910 and Indian Electricity Rules 1956 as amended up to date shall also apply. Wherever appropriate Indian Standards are not available, relevant British and/or IEC Standards shall be applicable. BIS certified equipment shall be used as a part of the Contract in line with Government regulations. Necessary test certificates in support of the certification shall be submitted prior to supply of the equipment. It is to be noted that updated and current Standards shall be applicable irrespective of those listed below.

660/1100 V grade PVC insulated wires. IS 694: 1990 Rigid steel conduits for electrical wiring. IS 9537: Part I 1980 IS 9537: Part II 1981 Accessories for rigid steel conduits IS 3837: 1990 Flexible steel conduits for electrical wiring IS 3480: 1990 Switch socket outlets IS 4615: 1990 Switches for domestic and similar purposes IS 3854: 1997

Boxes for the enclosure of electrical accessories IS 5133: Parts I &II 1969 Code of practice for personal hazard fire safety of buildings IS 1644: 1998 Code of practice for electrical installation fire safety of buildings IS 1646: 1997 Code of practice for electrical wiring installations IS 732: 1989

5.1.3 Conduits

− Steel Conduits

These shall be of mild steel 16 gauge upto 32mm and 14 gauge for sizes above 32mm, electric resistance welded (ERW), electric threaded type having perfectly circular tubing. Conduits shall be precession welded ERW and shall be fabricated from tested steel strips of thickness as per ISS by high frequency induction weld process. Weld shall be smooth and of consistent of high



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quality to ensure crack proof bending. The conduits shall be GI/ black enamel painted inside and outside in its manufactured form. Wherever so specified, the conduit shall be galvanized. All conduits used in this work shall be ISI embossed.

− Steel Conduit Connections

Connections between steel conduits shall be with screwed couplers of approved quality and finish, ensuring screwed metal to metal contact. Length of threads shall be as per ISS and sufficient to accommodate pipes to full threaded portion of couplers or accessories. Threads and sockets shall be free from grease and oil. Conduits shall be connected to outlet boxes by means of GI. hexagon check-nuts fixed both inside and outside the box. Conduit edges shall be free of burrs and provided with screwed PVC bushes to avoid damage to insulation of conductors while pulling them through the conduits. Connections between GI. and PVC conduits, if required, shall be through a junction box and never directly.

− Bends

Large right angle bends (more than 75 mm radius) or non right angle bends in conduit runs shall be made by means of conduits bending machines carefully so as not to cause any crack in the conduit. Small right angle bends in conduits runs can be made by standard conduit accessories (solid/inspection bends/elbows) no run of conduits shall have more than four right angle bends from outlet to outlet. Bends in multi runs of conduits shall be parallel to each other and neat in appearance, maintaining the same distance as between straight runs of conduits.

− Standard accessories

Heavy duty black enamel painted/GI standard conduit fittings and accessories like standard/extra-deep circular boxes, looping in boxes, junction boxes, normal/ inspection bends, solid/inspection elbows, solid/inspection tees, couplers, nipples, saddles, check nuts, earth clips, ball socket joints etc. shall be of superior quality and of approved makes. Heavy duty covers screwed with approved quality screws shall be used. Superior quality screwed PVC bushes shall be used Samples of all conduits fittings and accessories shall be got approved by Owners/Architects before use.

− Fabricated accessories

Wherever required, outlet/junction boxes of required sizes shall be fabricated from 1.6 mm thick GI sheets excepting ceiling fan outlet boxes which shall be fabricated from minimum 2 mm thick sheets. The outlet boxes shall be of approved quality, finish and manufacture. Suitable means of fixing connectors etc., if required, shall be provided in the boxes. The boxes shall be protected from rust by zinc phosphate primer process. Boxes shall be finished with minimum 2 coats of enamel paint of approved colour. A screwed brass stud shall be provided in all boxes as earthing terminal.

− Outlet Boxes for Light Fittings.

These shall be minimum 75mm x 75mm x 50mm deep and provided with required number of threaded collars for conduit entry. For ceiling mounted florescent fittings, the boxes shall be provided 300 mm off centre for a 1200 mm fitting and 150 mm off centre for a 600 mm fitting so that the wiring is taken directly to the down rod. 3 mm thick perspex/hylam sheet cover of matching color shall be provided.

− Outlet Boxes for Ceiling



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Outlet boxes for ceiling fans shall be fabricated from minimum 2 mm thick GI sheet steel. The boxes shall be hexagonal in shape of minimum 100 mm depth and 60 mm sides. Each box shall be provided with a recessed fan hook in the form of one 'U' shaped 15 mm dia rod welded to the box and securely tied to the top reinforcement of the concrete slab for a length of minimum 150 mm on either side. 3 mm thick Perspex/hylam sheet cover of matching colour shall be provided.

− Switch Boxes - Modular Type

Switch boxes suitable to house modular type switches of required ratings, and fan regulators as required shall be provided. In case the number of switches in one box is not tallying with that available in standard manufacture, the box accommodating the next higher number of switches shall be provided without any extra cost. In case fan regulator/regulators is /are to be provided at a later dated, suitable provision for accommodating such regulators shall be made in the switch boxes and blank off covers shall be provided without any extra cost.

Switch boxes shall be so designed that accessories are mounted on a grid plate with tapped holes for brass machine screws leaving ample space at the back and on the sides for accommodating conductors, check-nuts and screwed bushes at conduit entries etc... The grid plates and M.S. boxes shall be fitted with a brass earth terminal. Boxes shall be attached to conduits by means of check-nuts on either sides of their walls. Moulded front covers made from high impact resistant, flame retardant and ultra violet stabilized engineering plastics shall be fixed by means of counter sunk chromium plated brass machine screws. No timber shall be used for any supports. Switch boxes shall be located with bottom at 1200 mm above floor level unless otherwise indicated.

− Modular Type Boxes For Socket/ Telephone/Call Bell Outlets

Outlet boxes shall be suitable for housing modular type switched socket outlets/ telephone outlets/ buzzers and any other outlet as required. These shall be so designed that accessories are mounted on a grid plate with tapped holes for brass machine screws leaving ample space at the back and on the sides for accommodating conductors, checknuts and screwed bushes at conduit entries etc. The grid plates and M.S. boxes shall be fitted with a brass earth terminal. These shall be attached to conduits by means of check nuts on either sides of their walls. Moulded front covers made from high impact resistant, flame retardant and ultra violet stabilized engineering plastics shall be used to mount the outlets and shall be fixed to the outlet M.S. boxes by means of counter sunk chromium plated brass machine screws. No timber supports shall be used. Boxes shall be located at skirting level or bottom at 1200 mm from floor or inside raceways on laboratory work tables., as indicated in drawings and/or as directed.

− Cross Section

The conduits shall be of ample sectional area to facilitate simultaneous drawing of wires and permit future provision also. Total cross section of wires measured overall shall not normally be more than half the area of the conduit. Maximum number of PVC insulated 660/1100 Voltage grade copper conductor cable conforming to IS - 694 - 1990 as per table give below.

Maximum no of PVC insulated 660/1100 V grade aluminium /copper Conductor cable conforming to IS : 694 - 1990

Normal Cross

20 mm 25 mm 32 mm 38 mm 51 mm 64 mm



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Sectional area of conductor in sq. mm

S B S B S B S B S B S B

1 2 3 4 5 6 7 8 9 10 11 12 13

1.50 5 4 10 8 18 12 - - - - - -

2.50 5 3 8 6 12 10 - - - - - -

4 3 2 6 5 10 8 - - - - - -

6 2 - 5 3 4 8 7 - - - - -

10 2 - 4 3 6 5 8 6 - - - -

16 - - 2 2 3 3 6 5 10 7 12 8

25 - - - - 3 2 5 3 8 6 9 7

35 - - - - - - 3 2 6 5 8 6

50 - - - - - - - - 5 3 6 5

70 - - - - - - - - 4 3 5 4

Note:

The above table shows the maximum capacity of conduits for a simultaneous drawing in of cables. The columns headed 'S' apply to runs of conduits which have distance not exceeding 4.25 m between draw boxes and which do not deflect form the straight by an angle of more than 15 degrees. The columns headed 'B' apply to runs of conduit which deflect form the straight by an angle of more than 15 degrees. Conduits sizes are the nominal external diameters.

− Laying Of Conduits

o Conduits shall be laid either recessed in walls and ceilings or on surface on walls and ceilings or partly recessed and partly on surface, as required.

o Same rate shall apply for recessed and surface conduiting in this contract. o Stranded copper conductor insulated wire of size as per schedule of quantities shall be provided

in entire conduiting for loop earthing. o GI wire of suitable size to serve as a fish wire shall be left in all conduit runs to facilitate drawing

of wires after completion of conduiting.

− Recessed Conduiting

Conduits recessed in concrete members shall be laid before casting, in the upper portion of slabs or otherwise as may be instructed, so as to embed the entire run of conduits and ceiling outlet boxes with a cover of minimum 12 mm concrete. Conduits shall be adequately tied to the reinforcement to prevent displacement during casting at intervals of maximum 1 meter. No reinforcement bars shall be cut to fix the conduits. Suitable flexible joints shall be provided at all locations where conduits cross expansion joints in the building.



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Conduits recessed in brick work shall be laid in chases to be cut by electrical Contractor in brick work before plastering. The chases shall be cut by a chase cutting electric machine. The chases shall be of sufficient width to accommodate the required number of conduits and of sufficient depth to permit full thickness of plaster over conduits. The conduits shall be secured in the chase by means of heavy duty pressed steel clamps screwed to MS flat strip saddles at intervals of maximum 1 meter. The chases shall then be filled with cement and coarse sand mortar (1:3) and properly cured by watering. Entire recessed conduit work in concrete members and in brick work shall be carried out in close coordination with progress of civil works. Conduits in concrete members shall be laid before casting and conduits in brick work shall be laid before plastering. Should it become necessary to embed conduits in already cast concrete members, suitable chase shall be cut in concrete for the purpose. For minimizing this cutting, conduits of lesser diameter than 25 mm and outlet boxes of lesser depth than 50 mm could be used by the Contractor for such extensions only after obtaining specific approval from Architects/Owners. For embedding conduits in finished and plastered brick work, the chase would have to be made in the finished brick work. After fixing conduit in chases, chases shall be made good in most workmanlike manner to match with the original finish. Cutting chases in finished concrete or finished plastered brick work for recessing conduits and outlet boxes etc shall be done by the Contractors without any extra cost.

− Surface Conduiting

Wherever so desired, conduit shall be laid in surface over finished concrete and/or plastered brickwork. Suitable spacer saddles of approved make and finish shall be fixed to the finished structural surface along the conduit route at intervals not exceeding 600 mm. Holes in concrete or brick work for fixing the saddles shall be made neatly by electric drills using masonry drill bits. Conduits shall be fixed on the saddles by means of good quality heavy duty MS clamps screwed to the saddles by counter sunk screws. Neat appearance and good workmanship of surface conduiting work is of particular importance. The entire conduit work shall be in absolute line and plumb.

− Fixing of conduit fittings and accessories

For concealed conduiting work, the fittings and accessories shall be completely embedded in walls/ceilings leaving top surface flush with finished wall/ceiling surface in a workman like manner. Loop earthing wire shall be connected to a screwed earthstead inside outlet boxes to make an effective contact with the metal body.

− Painting and Colour coding of conduits

Before lying, conduits shall be painted specially at such places where paint has been damaged due to vice or wrench grip or any other reason. If so specified, surface conduits shall be provided with 20 mm wide and 100 mm long colour coding strips as below

Use Code colour Low voltage Grey Fire alarm Red Telephone Black PA system Brown



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Earthing system Green Control system lighting Purple

− Protection of Conduits

To safeguard against filling up with mortar/plaster etc. all the outlet and switch boxes shall be provided with temporary covers and plugs which shall be replaced by sheet/plate covers as required. All screwed and socketed joints shall be made fully water tight with white lead paste.

− Cleaning of Conduit Runs

The entire conduit system including outlets and boxes shall be thoroughly cleaned after completion of erection and before drawing in of cables.

− Protection Against Dampness

All outlets in conduit system shall be properly drain and ventilated to minimise chances of condensation/sweating.

− Expansion Joints

When crossing through expansion joints in buildings, the conduit sections across the joint shall be through approved quality heavy duty metal flexible conduits of the same size as the rigid conduit.

− Loop Earthing

Loop earthing shall be provided by means of insulated stranded copper conductor wires of sizes as per Schedule of Quantity laid alongwith wiring inside conduits for all wiring outlets and sub-mains. Earthing terminals shall be provided inside all switch boxes, outlet boxes and draw boxes etc.

5.1.4 Laying & Drawing of Wires

− Wires

Wiring shall be carried out with PVC insulated 1100 volt grade unsheathed single core multi strand wires with electrolytic annealed stranded copper (unless otherwise stated) conductors and conforming to IS 694/1990. All wire rolls shall be ISI marked. All wires shall bear manufacturer's label and shall be brought to site in new and original packages. Manufacturer's certificate, certifying that wires brought to site are of their manufacture shall be furnished as required.

− Bunching of Wires

Wires carrying current shall be so bunched in conduits that the outgoing and return wires are drawn into the same conduit. Wires originating from two different phases shall not be run in the same conduit.

− Drawing of Wires

The drawing of wires shall be done with due regard to the following precautions:- o No wire shall be drawn into any conduit, until all work of any nature, that may cause injury to wire

is completed. Burrs in cut conduits shall be smoothen before erection of conduits. Care shall be taken in pulling the wires so that no damage occurs to the insulation of the wire. Approved type bushes shall be provided at conduit terminations.

o Before the wires are drawn into the conduits, conduits shall be thoroughly cleaned of moisture, dust, dirt or any other obstruction by forcing compressed air through the conduits if necessary..



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o While drawing insulated wires into the conduits, care shall be taken to avoid scratches and kinks which cause breakage of conductors.

o There shall be no sharp bends. o The Contractor shall, after wiring is completed, provide a blank metal/sunmica plate on all switch /

outlet / junction boxes for security and to ensure that wires are not stolen till switches / outlets etc. are fixed at no extra cost the contractor shall be responsible to ensure that wires and loop earthing conductors are not broken and stolen. In the event of the wire been partly / fully stolen , the contractor shall replace the entire wiring alongwith loop earthing at no extra cost to the Owners. No joint of any nature whatsoever shall be permitted in wiring and loop earthing .

− Termination /Jointing of Wires

o Sub-circuit wiring shall be carried out in looping system. Joints shall be made only at distribution board terminals, switches/buzzers and at ceiling roses/connectors/lamp holders terminals for lights/fans/socket outlets. No joints shall be made inside conduits or junction/draw/inspection boxes.

o Switches controlling lights, fans or socket outlets shall be connected in the phase wire of the final sub circuit only. Switches shall never be connected in the neutral wire.

o Wiring conductors shall be continuous from outlet to outlet. Joints where unavoidable, due to any special reason shall be made by approved connectors. Specific prior permission from Architect/Owners in writing shall be obtained before making such joint.

o Insulation shall be shaved off for a length of 15 mm at the end of wire like sharpening of a pencil and it shall not be removed by cutting it square or wringing.

o Strands of wires shall not be cut for connecting terminals. All strands of wires shall be twisted round at the end before connection..

o Conductors having nominal cross sectional area exceeding 4 sq. mm shall always be provided with crimping sockets. At all bolted terminals, brass flat/plane washer of large area and approved steel spring washers shall be used.

o Brass/S S nuts and bolts shall be used for all connections. The pressure applied to tighten terminal screws shall be just adequate, neither too much nor too less. Switches controlling lights, fans, socket outlets etc. shall be connected to the phase wire of circuits only.

o Only certified valid license holder wiremen shall be employed to do wiring / jointing work.

5.1.5 Load Balancing

Balancing of circuits in three phase installation shall be planned before the commencement of wiring and shall be strictly adhered to.

5.1.6 Color Code of Conductors

Color code shall be maintained for the entire wiring installation - red, yellow, blue for three phases, black for neutral and green for earth.

5.1.7 Measurement & Payment of wiring

Wiring for lights, fans, convenience socket outlets etc. shall be measured and paid for on POINT BASIS as itemized schedule of quantities and as elaborated as below unless otherwise stated.

− Primary and Secondary light point wiring

In respect of group control of lights (more than one light controlled by one switch or MCB), wiring upto the first light in the group shall be measured and paid for as a primary light point. Wiring for



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other lights looped in one group for switch controlled as also MCB controlled lights shall be measured and paid for as secondary light points. Primary light points for MCB controlled lights shall not include the MCB cost. The cost of MCB controlling such lights shall not be included in the primary light point rate since the MCB shall be paid for in the item of subhead DB. The point wiring basis shall assume average wiring length and average conduiting length per point. The average wiring length and average conducting length forming the basis of point wiring payment, shall take the electrical layouts of the entire project into consideration. Tenderers are advised to seek clarifications, if they so desire, on this aspect before submitting their tenders. No claim for extra payment on account of electrical layouts in part or whole of the project requiring larger average wiring and conduiting length per point, whether specifically shown in tender drawings or not, shall be entertained after the award of contract.

− Parameters: Wiring shall be carried out as per following parameters in recessed/ surface conduit system.

o Only looping system of wiring shall be adopted throughout. No joints excepting at wiring terminals

shall be permitted. All accessories shall be flush type unless otherwise stated. For estimation of load, following loads per point shall be assumed.

Light points 100 Watts. 6 amps socket outlet points 100 Watts.

Exhaust fan points 300 Watts or as specified. 16 amp socket outlet points 500 Watts.

o Lights, fans and 6 amp socket outlets may be wired on a common final such circuit. Such circuit

shall not normally have more than a total of ten lights, fans or socket outlets or a load of 800 watts whichever is lesser.

o Power circuits shall normally have maximum one 16 amps socket outlet unless otherwise stated. Separate circuit shall be run for each geyser, kitchen equipment, window air conditioners and similar appliances.

o Wiring rates shall include painting of conduits and other accessories as required. o Wiring rates shall include cleaning of dust, splashes of colour wash or paint from all fixtures, fans,

fittings etc. at the time of taking over of the installation. o Wiring rates shall include blanking of outlet boxes to prevent damage/pilferage of wires.

5.1.8 Definitions

− Primary Light Points:

o Wiring for primary light points shall commence from DB via Switch Board / occupancy sensor terminals and shall terminate at the ceiling rose/connector in ceiling box/lamp holder. Rates for primary light point wiring shall be deemed to be inclusive of the cost of entire material and labor require for completion of primary light point thus defined including :

o Recessed / surface conduiting system with all accessories, junction/draw/inspection boxes, bushes, check nuts etc. complete as required, Wiring with stranded copper conductor PVC insulated 660/1000 volt grade wires including terminations etc. complete as required.

o Loop earthing with insulated copper wires.

− Secondary Light points:



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o Secondary light points shall cover the cost of interconnection wiring between group controlled light fittings and shall be deemed to be inclusive of the cost of entire materials and labour required for completion of the secondary light point thus defined including

o Recessed / surface conduting system with all accessories, junction/draw/inspection boxes, bushes, check nuts etc. complete as required,

o Wiring with stranded copper conductor PVC insulated 660/1000 volt grade wires including terminations etc. complete as required.

o Loop earthing with insulated copper wires.

− Wiring for Exhaust Fans

Wiring for exhaust fan points shall be same as for primary light points and shall exclude the cost of providing a 3/5 pin 6 amp socket outlet near the fan and a 6 amp control switch at convenient location near the room entry.

− Wiring for Convenience Socket Outlets

Point wiring for 3/5 pin 6 amps and 3/6 pin 16 amps single phase switched convenience socket outlets shall be provided in the building as indicated in the layout drawings excluding combined 3 pin 6 / 16 amps socket outlets at modular intervals in special PVC raceway over the work tables in laboratories.

5.1.9 Routine & Completion Test

− Installation Completion Tests

At the completion of the work, the entire installation shall be subject to the following tests: o Wiring continuity test o Insulation resistance test o Earth continuity test o Earth resistivity test

Besides the above, any other test specified by the local authority shall also be carried out. All tested and calibrated instruments for testing, labour, materials and incidentals necessary to conduct the above tests shall be provided by the contractor at his own cost.

− Wiring Continuity Test

All wiring systems shall be tested for continuity of circuits, short circuits, and earthing after wiring is completed and before installation is energized.

− Insulation Resistance Test

The insulation resistance shall be measured between earth and the whole system conductors, or any section thereof with all fuses in place and all switches closed and except in concentric wiring all lamps in position of both poles of the installation otherwise electrically connected together, a direct current pressure of not less than twice the working pressure provided that it does not exceed 1100 volts for medium voltage circuits. Where the supply is derived from AC three phase systems, the neutral pole of which is connected to earth, either direct or through added resistance, pressure shall be deemed to be that which is maintained between the phase conductor and the neutral.

The insulation resistance shall also be measured between all conductors connected to one phase conductor of the supply and shall be carried out after removing all metallic connections between



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he two poles of the installation and in those circumstances the insulation shall not be less than that specified above.

The insulation resistance between the frame work of housing of power appliances and all live parts of each appliance shall not be less than that specified in the relevant Standard specification or where there is no such specification, shall not be less than half a megohm or when PVC insulated cables are used for wiring 12.5 megohms divided by the number of outlets. Where a whole installation is being tested a lower value than that given by the above formula subject to a minimum of 1 Megohms is acceptable.

− Testing Of Earth Continuity Path

The earth continuity conductor including metal conduits and metallic envelopes of cable in all cases shall be tested for electric continuity and the electrical resistance of the same alongwith the earthing lead but excluding any added resistance of earth leakage circuit breaker measured from the connection with the earth electrode to any point in the earth continuity conductor in the completed installation shall not exceed one ohm.

− Testing of Polarity of Non-Linked Single Pole Switches

In a two wire installation a test shall be made to verify that all non-linked single pole switches have been connected to the same conductor throughout, and such conductor shall be labeled or marked for connection to an outer or phase conductor or to the non-earthed conductor of the supply. In the three of four wire installation, a test shall be made to verify that every non-linked single pole switch is fitted to one of the outer or phase conductor of the supply. The entire electrical installation shall be subject to the final acceptance of the Architect as well as the local authorities.

− Earth Resistivity Test

Earth resistivity test shall be carried out in accordance with IS Code of Practice for earthing IS 3043.

− Performance

Should the above tests not comply with the limits and requirements as above the contractor shall rectify the faults until the required results are obtained. The contractor shall be responsible for providing the necessary instruments and subsidiary earths for carrying out the tests. The above tests are to be carried out by the contractor without any extra charge.

− Tests And Test Reports

The Contractor shall furnish test reports and preliminary drawings for the equipment to the Architect/owners for approval before commencing supply of the equipment. The Contractor should intimate with the tender the equipment intended to be supplied with its technical particulars. Any test certificates etc., required by the local Inspectors or any other Authorities would be supplied by the Contractor without any extra charge.



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5.2 Light Fitting & Socket Outlet 5.2.1 Luminaries & Lamps:

− General:

o All the luminaries and lamps shall be of BEE approved five star related quality and as per approved makes. Wherever alternative makes are specified the choice of selection shall remain with the Engineer-in-Charge.

o The luminaires and lamps shall be fixed in a neat manner, true to level and in accordance with manufacturer's instructions.

o The luminaire and lamps shall be provided with such accessories as are required to complete the item in working condition whether specifically mentioned in the specifications, drawings or not.

− Luminaires:

o Luminaires shall comply with relevant ECBC Indian standards & suitable for Green Building o Unless otherwise indicated, enclosure of luminaires shall provide a minimum degree of protection

of IP 20 when located within buildings and IP 44 when located outside buildings, but luminaires mounted externally; and less than 2 M above finished ground or paved level shall be IP 45.

o Unless otherwise indicated, luminaires, both with and without built-in electronic and regulating ballast or transformers shall be suitable for direct mounting on normally flammable surface.

o Where specific requirements related to flame propagation and flammability of translucent covers are indicated, certificates of tests shall be submitted to the Engineer-in-Charge. The tests shall comply with BS 2782 part I.

o Terminal blocks for connection of the supply cables shall be of adequate size for the size of conductors forming the loop in wiring. Unless separate tails are required where indicated, terminal blocks shall incorporate a fuse of suitable type and rating.

− Fluorescent Lamp Luminaires:

o Luminaire shall be supplied as per the design specified in the schedule of quantities. Translucent covers and reflective surfaces shall be clean at the completion of the works.

o Luminaries shall be complete in all respects with basic mounting channel, shock-proof insert contact rotor lamp holder, ballast, connector block, internal wiring and decorative attachments, if any. The mounting channel shall be made of mild steel sheets suitably rust inhibited and stove enameled. A dust proof cover stove enameled to white shade shall be provided for the channel to protect the accessories and wiring from dust and vermin and to act a reflector.

o Ballast shall be silent in operation. All the ballasts shall be of electronic high energy efficient type. It shall have a long life and shall be highly reliable. A suitable capacitor shall be hermetically sealed. Diffusers, louvers etc. shall be of opal acrylic/polystyrene diffusers, louvers, and similar



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decorative attachments. The attachments shall be guaranteed against discolourisation, warping and deformation under continuous operation. Fluorescent lamps shall conform to BS: 1853 in all respects. Fluorescent lamps shall be of bi-pin pattern. The colour of the light shall be white or cool day light, as required. Unless otherwise specified, the lamps shall be of 36 W. and 1200 mm long. Luminaires shall be provided with an earthing terminal for bonding the body of the luminaire to earth. Luminaires shall be installed as specified in the drawings.

o Erection of fixtures shall include assembling of all components of the fixture such as chokes, condensers, starters, decorative attachments etc.

− Light tracks:

Light tracks, wherever required, shall be suitable for flush mounting with all mounting accessories. The light track shall consist of an extruded aluminium section with two insulated copper conductors on either side, track adapter/current collector for fixing the luminaires, and the accessories. Live ends and couplers shall be die-cast aluminium with injection moulded ends, covers and connectors.

− Exhaust Fans:

o Propeller type exhaust fans shall conform to IS : 2312 (Latest Edition) in all respects. The motor shall be of die-cast aluminium case. The fan motor shall be of energy efficient squirrel cage induction design. Single phase motors shall be of capacitor start and run type.

o Exhaust fans be provided with a special anti-corrosive treatment to withstand normal concentrations of chemical fumes in the environment. The fan shall be designed to withstand the effect of moisture under normal conditions of use. The design of motor and its windings shall be such that moisture in surroundings is not absorbed by the windings. Exhaust fans shall be complete with mounting rings, ring arms and a resilient suspension. The motor and blades shall be statically and dynamically balanced. The blades shall be made of mild steel sheets and so designed that they operate smoothly with minimum noise. The fans shall be finished to a glossy gray shade with an approved enamel paint. The fans shall also be provided with louvres for exhaust arrangement or bird screen. Exhaust fans shall be fixed at the locations shown on the drawings. The fans shall be fixed by means of tag bolts grouted in wall. Exhaust fan shall be connected to the exhaust fan point by means of a flexible cord.

− Lamps:

o Lamps shall be of the type and ratings as indicated in Bill Of Quantity. o All lamps shall be installed by the contractor. o Lamp caps shall be suitable for the lamp holders listed socket by means of a locking ring.

− Support and Fixings:

o Where the weight of a luminaire is supported by a conduit box or cable trunking, the fixing of the conduit box or trunking shall be adequate for the purpose and approved by Engineer-in-Charge.

o Luminaires fitted with tungsten filament lamps and having metal back plates shall not be fixed directly to conduit box in which thermoplastic material is the principal load bearing member.

o Support of luminaires from cable trunking shall be by means of proprietary clamps or brackets. o Luminaires mounted on or recessed into suspended ceilings shall not support luminaires unless

specifically shown and approved. o For wall mounted luminaires, the mounting height shall be above finished floor level, measured to

the centre of the conduit box, unless otherwise indicated.

− Wiring Connections:



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o Where luminaries fixed direct to circular conduit boxes or are supported by pedants or chains, the final circuit wiring shall terminate at a terminal block in the conduit box. Where luminaires having fluorescent tubes are fixed direct to circular conduit boxes, the final circuit wiring may be terminated within the luminaire unless otherwise indicated. The wiring shall enter each luminaire at the conduit entry nearest to the terminal block and where a loop in wiring system is used, leave by the same entry; wiring shall not pass through a luminaire unless the approval of the Engineer-in-Charge.

o Where luminaires are mounted on or recessed into a suspended ceiling, connection shall be by flexible cord from a plug-in ceiling rose unless otherwise indicated. The plug-in ceiling rose shall be located not more than 500 mm from the access in the ceiling and shall be firmly supported, unless otherwise approved by the Engineer-in-Charge.

o Cables and flexible cords for final connections to luminaries shall be suitable for the operating temperature of the luminaire.

o The size of final connection cables or flexible cords shall be as indicated. o Cables and cords passing close to ballast within a luminaire shall be suitable for the operating

temperature of the ballast. o Contact of each luminaire to an earthing terminal incorporated in the adjacent conduit box. Where

the final connection is by flexible cord, the protective conductor shall form part of the cord.

5.2.2 Switch, Socket & accessories

− Switches:

o Light control switches shall be of single pole 6 A rating. Their current ratings shall be as indicated, allowance being made for any inductive or capacitive load.

o Light control switches shall be of modular plate type design suitable for flush mounting for general lighting. Wherever specifically called for, piano tumbler type switches shall be used.

Wall mounted switches located inside buildings shall have rocker type actuating members unless otherwise indicated. Where mounted adjacent to one another, they shall be grouped in a multi gang box with a common front plate.

o Light control switch shall have either integral mounting plates or 5 mm thick white colour laminate plate with rounded corner in case of piano type switches. All switches shall be located at 1200 mm above from FFL unless otherwise specified.

o Pull cord operated switches shall be fixed to white moulded plastic mounting blocks, which in turn shall be fixed to a circular conduit box. Where the conduit boxes are flush with the finish, mounting block shall overlap them. Pull cords shall be white or natural colour and the lower end shall terminate in a moulding of rubber or plastic material.

− Socket Outlets:

o All sockets 6 A. and 16 A. ratings shall be provided with control switches of the same rating as that of the sockets. All the sockets shall be provided with plug tops of approved quality and design and shall be located 150 mm above from FFL unless otherwise specified.

o On socket outlets rated at 16A and located inside buildings, the switches shall be single pole and have rocker type actuating members unless otherwise indicated.

o Socket outlets for wet locations shall be provided with covers which shall be screwed on. Any cover required to achieve total enclosure and to ensure the required degree of protection against moisture shall be securely fixed to Socket outlet.

o Telephone cord outlets shall be of a type approved by Indian Telecom.

− Industrial Type Sockets:



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o Industrial type sockets shall be provided wherever specifically called for industrial sockets. Sockets shall have 3 pins for single phase applications and 4 pins and scrapping earth for 3 phase applications. The sockets shall be provided with suitable plug top with suitable cable entry. Sockets shall have metal covers with chain. Industrial type sockets shall be provided with a suitable sheet steel housing made of 14 gauge with the socket mounted in flush with cover of the housing. Industrial type outlet shall be of weather proof if required.

− Plugs:

o Plugs shall be provided as indicated. Plug bodies shall be of metal, plastic or other material as indicated.

o Plugs rated at 13A shall be of a non resilient material unless otherwise indicated. o Fuse plugs shall be fitted with fuses rated as indicated.

− Lamp Holders, Ceiling Roses etc.

o Accessories for light outlets such as lamp holders, ceiling roses, etc. shall be in conformity with requirements of relevant IS specifications. Only approved make of accessories shall be supplied.

− Terminal Blocks:

o Conductors shall be clamped between metal surface and no screws shall make direct contact with conductors.

o The design shall be such as to maintain sufficient contact pressure to ensure connections on negligible impedance at all times.

o Metal in contact with conductors shall be 85% copper alloy and any screws shall be of metal that is electrolytically compatible with the copper alloy. The moulded housing shall be an insulating material suitable for the maximum operating temperature of the conductor.

− Mounting Heights:

o Mounting heights shall be as follows unless otherwise indicated by the Architects/ Interior Designer, where decision shall be obtained by contractor before start of work.

o Where difficulty in locating accessories or equipment occurs, the Engineer-in-Charge shall be informed.

5.2.3 Enclosure for electrical accessories:

− Enclosure for electrical accessories such as switches, sockets, fan regulators, etc. shall be of cast iron, sheet steel or mild steel conforming to IS: 5133 - Part-I. The wall thickness of CI enclosures shall not be less than 3mm and that of MS enclosure shall not be less than 2 mm. wherever specifically called for, galvanized sheet steel boxes shall be provided. The enclosure boxes shall be provided with suitable Nos. of fixing lugs located at the corners for fixing the covers. All fixing lugs shall have tapped holes to take machined brass screws.

− Sufficient number of knock-outs shall be provided for conduit entries. Enclosures shall be sufficiently strong to resist mechanical damage under normal service conditions. Provision shall be made for bonding the enclosures to the earth. The enclosure shall be adequately protected against rust and corrosion with suitable air drying paint. Wherever different phase conductors are brought in to the same enclosure, phase barriers shall be provided.

− All enclosures exposed to the weather shall be fully water tight and complete with rubber gasket covers and shall be painted with two coats of bituminous paint before they are fixed in position. All enclosures fixed in concrete shall have a minimum depth of 75mm and the wall thickness of the boxes and spouts shall not be less than 2 mm.



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5.2.4 Installation of switches, sockets and accessories:

− All the switches shall be wired on phase. Connections shall be made only after testing the wires for continuity, cross phase, etc. with the help of a meggar. Switches, sockets, fan regulators etc. shall be housed in proper sheet steel enclosure. The arrangement of switches and sockets shall be neat and systematic. Covers for enclosures accommodating switches, sockets etc. (point control boxes) shall be of 5 mm thick, fine finished PVC/Perspex material and fixed to the enclosure in plumb with counter suck head, chromium plated brass screws in case of piano type switches. The outlets, point control boxes, etc. shall be set out as shown on the drawings, before fixing these, the contractor shall obtain clearance from the Engineer-in-charge with regard to their proper locations.

5.3 LIGHTING CONTROL SYSTEM 5.3.1 Multi-sensor

− Unit shall incorporate (1) a passive infrared (PIR) sensor, (2) a Light Level sensor, and (3) an Infrared (IR) sensor in one single unit.

− The Light level sensor shall capable of measuring ambient light levels in the range of 0 to 2500 Lux.

− The PIR sensor and Light Level sensor shall provide automatic control based upon movement and light levels.

− The Infrared Receiver sensor shall allow users remote control of the light control system. − The multi-sensor shall have a 360 degree field of view, with minimum detection coverage of 10

meters and an IR range of 5 meters in diameter, while mounted at 2.4 meters above finished floor level.

− The multi-sensor shall be capable of controlling up to 8 light control system scenes, containing up to 40 control system group address.

− The unit shall have three LEDs indicate a range of actions from movement, to the receiving of IR commands and the devices status.

− Light and PIR sensitivity are set via adjustment screws located on the sensor unit. − Unit shall be connected to the lighting control system through the Cat-5e (or above) twisted pair

cable, and powered via this connection.

5.3.2 Motion Sensor

− Provide ceiling mount PIR occupancy sensor as shown on the drawings. − Occupancy sensors shall connect directly to field bus via a Cat-5e (or above) cable. − The unit shall have a 360-degree detection pattern, 15 meters in diameter at a 2.4 meters

mounted above floor-level. − The unit shall be designed to be low profile, flush mounted in a ceiling with only 15 mm protrusion

from the ceiling. − The sensor shall incorporate an LED to indicate when movement is detected. − The unit shall incorporate dual PIR element detectors to minimize false triggering.\

5.3.3 Light Level Sensor

− The field of View of the light level sensor shall be 180 degrees − Light level sensors shall capable of measuring ambient light levels in the range of 40 to 1500 Lux.



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− Light levels sensor shall measure the ambient light level and output devices (such as Dimmer Units) shall be controlled to maintain constant luminance in a given area, under varying conditions.

− Light level sensors shall incorporate filtering and hysteresis functions to suppress noise and compensate for rapid light intensity fluctuations.

− If the natural ambient luminance level is such that extra illumination is not necessary, an OFF command shall be transmitted by the Light Level Sensor to the designated output devices.

− Light level sensors shall communicate with all other system units and obtain power via the Cat-5e (or above) communication cable.

5.3.4 Temperature Sensor

− The Temperature Sensor shall be suitable for measuring ambient temperature and issuing ON/OFF commands to one (1) group address for heating or cooling purposes. The unit shall measure in the range 0 - 50 degree C with selectable offset within the installation software.

− The Temperature Sensor shall have the ability to change its target temperature to a different point (and to reset the target) by receiving bus commands from another system bus devices.

− The unit shall have an Economy mode, which, when set active, shifts the whole operating range up (for Cooling) or down (for Heating).

− In the event of power cycling, a non-volatile memory (NVM) shall be incorporated to retain all address and switching information.

− Unit shall be connected to the lighting control system through the Cat-5e (or above) twisted pair cable, and powered via this connection.

5.3.5 Auxiliary Input Unit

− The Auxiliary Input Unit shall provide an interface between any voltage free contact and the control system, allowing actions via the System from standard switches or any control closure.

− The unit voltage at contact point shall be 5Vdc, with current 0.4mA − The inputs shall be electrically isolated from the control system by the use of transformers on all

channel inputs. − Non-volatile memory (NVM) shall be provided to retain all address and switching information. − Unit shall be connected to the lighting control system through the Cat-5e (or above) twisted pair

cable, and powered via this connection.

5.3.6 PC Interface

− The PC Interface shall provide the medium for an external PC to communicate with the control system network, including monitor and control functions. It shall also be used to program all other system units and generate the system clock for synchronized data communications.

− It shall be possible to connect multiple PC Interfaces to the system at a time to allow programming and/or control from multiple PC’s.

− The Communication Protocol for the PC Interface shall be RS232C.

5.3.7 USB PC Interface

− The PC Interface shall provide the medium for an external PC to communicate with the control system network, including monitor and control functions. It shall also be used to program all other system units and generate the system clock for synchronized data communications.

− It shall be possible to connect multiple PC Interfaces to the system at a time to allow programming and/or control from multiple PC’s.

− Connection to a personal computer via a Type B socket located on the unit.



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5.3.8 Network Bridge

− The Network Bridge shall provide the connection between two system sub networks, allowing data communication, while maintaining optical isolation between the networks.

− The unit shall also be suitable to restore logic levels over long continuous bus cable runs. − Network Bridges shall be used when more than 100 units or more than 1000 meters of cable is

used in any network, to minimize fault propagation. It shall be possible to send messages from one network into another network using the Network Bridge.

− Non-volatile memory (NVM) shall be provided to retain all address and switching information. − Unit shall be connected to the lighting control system through the Cat5 (or above) twisted pair

cable, and powered via this connection. 5.4 EXTERNAL & LANDSCAPE LIGHTING

5.4.1 General

The specifications cover the supply, installation, testing and commissioning of the following items: − Street/Boundary lighting poles complete with all accessories e.g. looping box, clamps and

required hard wares etc. − Street/boundary lighting fixtures complete with all accessories e.g. lamps latest etc. − Wiring of street light fixtures. − Cable laying, earthing and inter connection − Foundation of poles and erection. − All the items should be tested and installed as per the latest Indian standards specifications and

all the sundry items such as clamps, bolts, nuts, racks, support miscellaneous wiring etc., required to make the installation complete shall be taken care while quoting the major items.

5.4.2 Steel Tubular pole

The poles for street lighting purpose shall be complete in all respects and shall confirm to IS: 2713 unless otherwise specified. All poles shall be complete with base plate of of 400 mm x 400 mm x 10 mm thick welded to bottom. The poles shall be provided terminal box for looping in and looping out of cables and shall consists fuse / MCB as specified in BOQ. The looping box shall be suitable for outdoor installation and complete with all hard wares such as clamp, bolts, earthing studs, lockable door etc. and shall be painted also in the same manner as specified for poles. The poles shall be provided with two numbers of GI pipes of suitable dia for cable entry as shown in drawing. The poles shall be painted with two coats of red oxide primer on both outside and the portion of the pole below the ground before erection and two coats of aluminium paint of approved shade after erection over the exposed portion.

5.4.3 Erection of pole

While loading, transporting, unloading and erecting the poles, care shall be taken so that the poles do not get bent. Out of shape and where necessary such defects shall be rectified before the poles are erected in position. The poles shall be erected in plumb line and correct level as indicated in the drawing and to the satisfaction of the Engineer-in-charge. They shall be kept in this position with the help of manila ropes until the foundation is constructed (for a minimum period of 10 days) and the backfilling is complete. Foundation shall be made with reinforced cement concrete (1:2:4) and not less than 200 mm thick all round.



PAGE 27 OF 87

The pole base plate shall be fixed over 150 mm thick concrete bed. Foundation shall be

continued up to 300 mm or more above ground level as per location of the pole to avoid ingress of water logging etc. The foundation shall be tapered suitably into a collar. The excavated portion shall be filled back with earth and consolidated. The cement concrete foundations shall be cured properly by covering the same with water soaked or moist gunny bags at least two weeks before loading the pole.

5.4.4 Erection of light fixtures

Each light fixture shall be connected to the supply through fuse/MCB of a suitable rating mounted in the looping box. The fitting shall be fixed to the pole properly and securely.

5.4.5 Wiring of light fixtures

The wiring of lighting fixtures from terminal block by means of 2.5 sq.mm PVC insulated single core copper conductor through a suitable rated MCB/fuse and neutral. Cost of single core connecting cable from junction box to lighting fixture and earth wire complete with connections are included in the quoted rate.

Cabling works-All cable work shall be done as per relevant clauses of section cable work.

5.4.6 Tests Before handing over the installation, tests on all fittings and cables shall be carried out as per IS

specification. The tests shall include; 1. Meggar test 2. Continuity test 3. Polarity test and phase sequence test



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5.5 Cables & Terminations

5.5.1 General

Technical specifications in this section cover supplying and laying of 1.1 kV cables (Medium voltage cables).


All equipments, components, materials and entire work shall be carried out in conformity with applicable and relevant Bureau of Indian Standards and Codes of Practice, as amended up to date and as below. In addition, relevant clauses of the Indian Electricity Act 1910 and Indian Electricity Rules 1956 as amended up to date shall also apply. Wherever appropriate Indian Standards are not available, relevant British and /or IEC Standards shall be applicable. Equipments certified by Bureau of Indian Standards shall be used in this contract in line with government regulations. Test certificates in support of this certification shall be submitted, as required. It is to be noted that updated and current standards shall be applicable irrespective of dates mentioned along with IS in the tender documents. PVC insulated heavy duty cables IS 1554 - 1988 Cross link polyethylene insulated PVC (sheathed XLPE cables) IS 7098 - 1985 Code of practice for installation and maintenance of power cables IS 1255 - 1983 Conductors for insulated electrical cables IS 8130 - 1984 Drums for electrical cable IS 10418 - 1982 Methods of test for cables IS 10810 - 1988 Recommended current rating IS 3961 - 1987 Recommended short circuit rating of high voltage PVC cables IS 5891 - 1970

5.5.3 Cables

− Medium Voltage Cables

Medium voltage cables shall be aluminium conductor PVC insulated, PVC sheathed armoured conforming to IS 1554. Cables shall be rated for a 1100 Volts. The conductor of cables from 16 Sq. mm. to 50 Sq. mm. shall be stranded. Sector shaped stranded conductors shall be used for cables of 50 sq. mm and above. Conductors shall be made of electrical purity aluminium 3/4 H or



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H temper. Conductors shall be insulated with high quality PVC base compound. A common covering (bedding) shall be applied over the laid up cores by extruded sheath of un vulcanized compound. Armouring shall be applied over outer sheath of PVC sheathing. The outer sheath shall bear the manufacturer's name and trade mark at every meter length. Cores shall be provided with following colour scheme of PVC insulation.

1 Core : Red/Black/Yellow/Blue 2 Core : Red and Black 3 Core : Red, Yellow and Blue 3 .5 /4 Core : Red, Yellow, Blue and Black

Current ratings shall be based on the following conditions.

o Maximum conductor temperature 70. 0 deg C o Ambient air temperature 45.0 deg C o Ground temperature 30.0 deg C o Depth of laying 1000 mm

Short circuit rating of cables shall be as specified in IS 1554 Part-I.

Cables have been selected considering conditions of maximum connected loads, ambient temperature, laying method, grouping of cables and allowable voltage drop. However, the contractor shall recheck the sizes before cables are fixed and connected to service.

− Delivery, Storage & Handling.

Cable drum shall be stored on a well drained, hard surface, preferably of concrete, so that the drums do not sink in ground causing rot and damage to the cable drum. The cable drum shall conform to IS 10418. During storage, periodical rolling of drums, in the direction of arrow marked on the drum, shall be done once in 3 month through 90o C Both ends of cables shall be properly sealed to prevent moisture ingress Drums shall be stored in well ventilated area protected from sun and rain. Drums shall always be rested on the flanges and not on flat sides. Damaged battens of drums etc. shall be replaced. Movement of drums shall always be in direction of the arrow marked on the drum. For transportation over long distance, the drums shall either be mounted on drum wheels and pulled by ropes or they shall be mounted on trailers etc. drums shall be unloaded preferably by crane otherwise they shall be rolled down carefully on suitable ramps. While transferring cable form 1 drum to another, the barrel of the new drum shall have diameter not less than the original drum. Cables with kinks or similar visible defects like defective armouring etc shall be rejected. Cables shall be supplied at site in cut pieces as per actual requirements.

− Laying of Cables

Cables shall be so laid that the maximum bending radius is 12 times the overall diameter of the cable for medium voltage cables and 15 times the overall diameter for 11 kV cables. Cables shall be laid in masonry trenches, directly on walls/cable trays, directly buried in ground or in pipes/ducts as elaborated below. Cables of different voltages and also power and control cables shall be laid in different trenches with adequate separation. Wherever available space is restricted such that this requirement cannot be met, medium voltage cables shall be laid above HT cables.

o In Masonry Trenches



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Wherever so specified, cables shall be laid in indoor/outdoor masonry/RCC trenches to be provided by Owners. Cables shall be laid on MS supports fabricated from minimum 38mm x 38mm x 6mm painted / galvanized angle iron supports grouted in trench walls at intervals not exceeding 600 mm. If required, cables shall be arranged in tier formation inside the trench. Suitable clamps, hooks and saddles shall be used for securing the cables in position and dressing properly so that the clear spacing between the cables shall not be less then the diameter of the cable. Trenches shall be provided with chequered plate/RCC covers. Wherever so specified, trenches shall be filled with fine sand.

o On Trays/Walls

Wherever so specified, cables shall be laid along walls/ceiling or on cable trays. Cable shall be secured in position and dressed properly by means of suitable clamps, hooks, saddles etc. such that the minimum clear spacing between cables is diameter of the cable. Clamping of cables shall be at minimum intervals as below. Type of cables

Size Clamping by Fixing intervals

MV Up to and including 25 sq mm

Saddles 1 mm thick 45 cm

MV & HV 35 sq mm to 120 sq mm Clamps 3 mm thick 25 mm wide

60 cm

MV & HV 150 sq mm and above Clamps 3 mm thick 40 mm wide

60 cm

Note: The fixing intervals specified apply to straight runs. In the case of bends, additional clamping shall be provided at 30 cm from the center of the bend on both sides.

Cable trays, of sizes as per schedule of quantities and drawings shall be of perforated doubled bend channel/ladder design unless otherwise stated. Cable trays shall be fabricated from minimum 2 mm thick sheet steel and shall be complete with tees, elbows, risers, and all necessary hardware. Cable trays shall comply with the following: Trays shall have suitable strength and rigidity to provide proper support for all contained cables. Trays shall not have sharp edges, burrs or projections injurious to cable insulation. Trays shall include fittings for changes in direction and elevation. Cable trays and accessories shall be painted with one shop coated of red oxide zinc chromate primer and two side coats of aluminium alkyd paint or approved equivalent. Cable trays shall not have sharp edges, burrs or projection that may damage the insulation jackets of the wiring. Cable trays shall have side rails or equivalent structural members. Unless otherwise specifically noted on the relevant layout drawing, all cable tray mounting works to be carried out ensuring the following: Cable tray mounting arrangement system to be marked on layout drawing. Assembly of tray mounting structure shall be supplied fabricated, erected & painted by the electrical contractor. Tray mounting structures shall be welded to plate inserts or to structural beams as approved by the Owners/Architects. Wherever embedded plates & structural beams are not available for



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welding the tray mounting structure electrical contractor to supply the MS plates & fix them to floor slab by four anchor fasteners of minimum 16 mm dia having minimum holding power of 5000 Kg at no extra cost. Maximum loading on a horizontal support arm to be 120 Kg. metre of cable run. Width of the horizontal arms of the tray supporting structures to be same as the tray widths specified in tray layout drawings, plus length required, for welding to the vertical supports. The length of vertical supporting members for horizontal tray runs shall be to suit the number of tray tiers shown in tray layout drawings. Spacing between horizontal supports arms of vertical tray runs to be 300 mm. Cable trays will be welded to their mounting supports. Minimum clearance between the top most tray tier and structural member to be 300 mm. Cables in vertical race ways to be clamped by saddle type clamps to the horizontal slotted angels. Clamps to be fabricated from 3 mm thick aluminium strip at site by the electrical contractor to suit cable groups. The structural steel (standard quality) shall be according to latest revision of IS : 226 & 808. Welding shall be as per latest revisions of IS : 816. All structural steel to be painted with one shop coat of red oxide and oil primer followed by a finishing coat of aluminium alkyd paint where any cuts or holes are made on finished steel work these shall be sealed against oxidation by red oxide followed by the same finishing paint. Steel sheet covers wherever indicated to be similarly painted. Trays shall be erected properly to present a neat and clean appearance. Trays shall be installed as a complete system. Trays shall be supported adequately by means of painted MS structural members secured to the structure by dash fasteners or by grouting. The entire cable tray system shall be rigid. Each run of cable tray shall be completed before laying of cables. Cable trays shall be erected so as to be exposed and accessible.

− Buried Directly In Ground

Cables shall be so laid that they will not interfere with under ground structures. All water pipes, sewage lines or other structures which become exposed by excavation shall be properly supported and protected from injury until the filling has been rammed solidly in places under and around them. Any telephone or other cables coming in the way are to be properly shielded as directed by Architects/Owners. Surface of the ground shall be made good so as to conform in all respects to the surrounding ground to the satisfaction of Architects/ Owners.

− Routing of cables

Before cable laying work is undertaken, the route of the cables shall be decided with the Architects/Owners. While shortest practicable route shall be preferred, cable runs shall follow fixed development such as roads, footpaths etc with proper off-sets so that future maintenance and identification are rendered easy. Whenever cables are laid along well demarcated or established roads, the LV/MV cables shall be laid further from the kerb line than HV cables. Cables of different voltages and also power and control cables shall be kept in different trenches with adequate separation. Where available space is restricted, LV/MV cables shall be laid above HV cables. Where cables cross one another, the cables of higher voltage shall be laid at a lower level than the cables of lower voltage. Power and communication cables shall as far as possible cross at right angles. Where power cables are laid in proximity to communications cables the horizontal and vertical clearances shall not normally be less than 60 cm.

− Width Of Trench

The width of trench shall be determined on the following basis. The minimum width of trench for laying single cables shall be 350 mm. Where more than one cable is to be laid in the same trench in horizontal formation, the width of trench shall be increased such that the inter-axial spacing



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between the cables except where otherwise specified shall be at least 200 mm. There shall be a clearance of at least 150 mm between axis of the end cables and the sides of the trench.

− Depth Of Trench

The depth of trench shall be determined on the following basis: Where cables are laid in single tier formation, the total depth of the trench shall not be less than

750 mm for cables up to 1.1 kV and 1250 mm for cables above 11 kV. When more than one tier of cables is unavoidable and vertical formation of laying is adopted, the

depth of trench shall be increased by 300 mm for each additional tier to be formed.

− Excavation Of Trenches

The trenches shall be excavated in reasonably straight lines. Wherever there is a change in direction, suitable curvature of 12 times the overall diameter of the largest cable shall be provided. Where gradients and changes in depths are unavoidable these shall be gradual. Excavation should be done by any suitable manual or mechanical means. Excavated soil shall be stacked firmly by the side of the trench such that it may not fall back into the trench. Adequate precautions shall be taken not to damage any existing cables, pipes or other such installations during excavation. Wherever bricks, tiles or protected covers or bare cables are encountered, further excavation shall not be carried out without the approval of the Architects/ Owners. Existing property exposed during trenching shall be temporarily supported or propped adequately as directed by the Architects/ Owners. The trenching in such cases shall be done in short lengths, necessary pipes laid for passing cables therein and the trench refilled as required. If there is any danger of a trench collapsing or endangering adjacent structures the sides shall be well shored up with timbering and/or sheathing as the excavation proceeds. Where necessary these may even be left in place when back filling the trench. Excavation through lawns shall be done in consultation with the Architects/ Owners. Bottom of the trench shall be level and free from stone, brick, etc. The trench shall then be provided with a layer of clean dry sand cushion of not less than 80 mm in depth.

− Laying Of Cable In Trench

The cable drum shall be properly mounted on jacks or on a cable wheel at a suitable location. It should be ensured that the spindle, jack etc are strong enough to carry the weight of the drum without failure and that the spindle is horizontal in the bearings so as to prevent the drum creeping to one side while rotating. The cable shall be pulled over rollers in the trench steadily and uniformly without jerks or strains. The entire cable length shall, as far as possible, be laid in one stretch. However when this is not possible the remainder of the cable shall be removed by flaking i.e. making one long loop in the reverse direction. After the cable is uncoiled and laid over the rollers, the cable shall be lifted slightly over the rollers beginning from one end by helpers standing about 10 metres apart and drawn straight. The cable should then be taken off the rollers by additional helpers lifting the cables and then laid in the trench in a reasonably straight line. For short runs and cable sizes upto 50 sq mm 1.1 kV grade the alternative method of direct handling can be adopted with the prior approval of the Architects/ Owners. If two or more cables are laid in the same trench care should be taken to preserve relative position. All the cables following the same routes shall be laid in the same trench. Cables shall not cross each other as far as possible. When the cable has been properly straightened the cores shall be tested for continuity and insulation resistance. The cable shall be measured thereafter. Suitable moisture sealing compound/tape shall be used for sealing of the ends. Cable laid in trenches in a



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single tier formation shall have a covering of clean dry sand of not less than 170 mm above the base cushion of sand before the protective cover is laid. In the case of vertical multi-tier formation after the first cable has been laid a sand cushion of 300 mm shall be provided over the initial bed before the second tier is laid. If additional tiers are formed each of the subsequent tiers also shall have a sand cushion of 300 mm. The top most cable shall have a final sand covering not less than 170 mm before the protective cover is laid. A final protection to cables shall be laid to provide warning to future excavators of the presence of the cable and also to protect the cables against accidental mechanical damage. Such protection shall be with second class bricks of not less than 200 mm x 100 mm x 100 mm (normal size) laid breadth wise for the full length of the cable to the satisfaction of the Owners /Architects. Where more than one cable is to be laid in the same trench this protective covering shall cover all the cables and project at least 50 mm over the sides of the end cables. In addition bricks on edge shall be placed along the entire run on either side of the cable run. The trenches shall then be back filled with excavated earth free from stones or other sharp edged debris and shall be rammed and watered in successive layers not exceeding 300 mm. Unless otherwise specified a crown of earth not less than 50 mm in the centre and tapering towards the side of the trench shall be left to allow for subsidence. The crown of earth should however not exceed 100 mm so as not to be a hazard to vehicular traffic. Where road berms or lawns have been cut or kerb stones displaced the same shall be repaired and made good to the satisfaction of the Clients and all surplus earth and rocks removed to places as specified.

− Laying In Pipes/Closed Ducts

In locations such as road crossings, entry to buildings/poles in paved areas etc., cables shall be laid in pipes or closed ducts. Spun reinforced concrete pipes shall be used for such purposes and the pipe shall not be less than 100 mm in diameter for a single cable and not less than 150 mm for more than one cable. These pipes shall be laid directly in ground without any special bed. Sand cushioning and/or brick tiles need not be used in such installations. Unless otherwise specified the top surface of pipes shall be at a minimum depth of 1000 mm from the ground level when laid under roads, pavements etc. The pipes for road crossings shall preferably be on the skew to reduce the angle of bend as the cable enters and leaves the crossing. Pipes shall be continuous and clear of debris or concrete before cable is drawn. Sharp edges at ends shall be smoothened to prevent injury to cable insulation or sheathing. No deduction shall be made for sand and bricks not used for cables passing through RCC Hume pipes or for parts of vertical cables at the lighting poles. Wherever so required, cables shall be laid at the bed of the lake through existing PVC pipe as itemized in bill of quantities.

− Laying of Cables In Floors

Laying of cables directly in floors shall be avoided and GI pipes of adequate size shall be used wherever necessary. However if the cables have to be laid direct in the floor specific written approval of architect/ Owners shall be obtained and the Contractor shall cut chases, lay the cables and make good the chases to original finish.

− Cable Entry Into Buildings

Cable entry into buildings shall be made through RCC pipes recessed in the floor. RCC Hume pipes shall be provided well in advance for service cable entries. The pipe shall be filled with sand and sealed at both ends with bitumen mastic to avoid entry of water. Suitable size manholes shall be provided wherever required to facilitate drawing of cables as per requirements.



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5.5.4 Termination / Jointing of Cables

Soldered jointing/termination shall be totally avoided. Solderless terminations by using Dowel crimping tools and suitable legs shall be adopted for all cable terminations. Any terminations without use of proper crimping tool is shall be liable to be rejected. In the case of aluminium conductors, it is to be ensured that the conductor oxidation is cleaned by means of emery paper and then a thin coat of tin is applied before pinching into any equipment. Heat shrinkable Raychem type or approved equivalent terminations shall be provided for High Voltage cables and Siemens make or approved equivalent make brass double compression glands shall be provided for Medium Voltage cable terminations. Straight through jointing of Medium Voltage or High Voltage cable shall normally be totally avoided. If absolutely unavoidable, such jointing shall be carried out as per procedure to be got specifically approved from Architect/Owners. Cable tag should be provided at the termination near Electrical panel.

5.5.5 Measurement of Cable runs

The cable runs shall be measured upto the outer end of the boxes without any allowances for over lap in joints. The actual run of the cables shall be measured and the rate shall include all the above mentioned material, labour etc for laying as required.

− Cable Loops

At the time of the installation approximately 3 meters of surplus cable shall be left o At each end of the cable o On each side of underground straight through/tee/termination joints. o At entries to buildings o And such other places as may be decided by the architects/owners.

This cable shall be left in the form of a loop. Wherever long runs of cable length are installed cable loops shall be left at suitable intervals as specified by the architect/owners.

− Bonding of Cables.

Where a cable enters any piece of apparatus it shall be connected to the casting by means of an approved type of armoured clamp or gland. The clamps must grip the armouring firmly to the gland or casting, so that in the event of ground movement no undue stress is placed on to the cable conductors.

5.5.5 Testing

− Tests At Manufacturer's Work

The cables shall be subjected to shop test in accordance with relevant standards to prove the design and general qualities to the cables as below (as per IS 10810) :

o Routine test on each drum of cable. o Acceptance tests on drums chosen at random for acceptance of the lot. o Type test on each type of cable, inclusive of measurement of armour DC resistance of power

cables.

− Site Testing

o All cables before laying shall be tested with a 500 V megger for 1.1 kV grade or with a 2,500/5,000 V megger for cables of higher voltages. The cables cores shall be tested for continuity, absence of cross phasing, insulation resistance to earth/sheath/armour and insulation resistance between conductors.



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o All cables shall be subject to above mentioned test during laying, before covering the cables by protective covers and back filling and also before the jointing operations.

o After laying and jointing, the cable shall be subjected to a 5 minutes DC high voltage/pressure test at 3 KV for 1.1 KV grade and 30 KV for 11 KV grade cables.

o The cable core must be discharged on completion of DC high voltage test and cable should be kept earthed until it is put into service.

5.5.6 Cable Trays

Cable trays shall be one of the following types or as specified in the contract document:

− Site fabricated ladder type cable trays from MS Channels, angles, flats as per cable tray details depending on the weight of cables required to be supported on cable trays and maximum cable tray supporting distance. The construction of these cable trays shall be all welded type.

− Shop fabricated, heavy pattern, perforated, steel cable trays, galvanised or painted as specified in the Contract Documents. The cable trays shall be in standard length sections and shop fabricated bends or tees shall be used. Individual sections shall be securely bolted together.

− Shop fabricated PVC / FRP cable trays − Cable trays supports and tray design shall be based on the loading of cable trays. Generally, the

design shall be such that cable trays supports spacing will be 2 meters or more.

5.5.7 Cable trunking / raceways

Cable trunking or raceways shall be of sheet steel construction. The thickness of sheet steel shall not be les than 16 gauges. The sheet steel before fabrication shall be given a rigorous anti-corrosive treatment. The trunking shall be provided with removable, covers of 1 metre length. The trunkings shall be supplied in suitable lengths, however, the maximum length of a single trunking shall not exceed 6 metre. The trunking shall be complete with right angle bends, 1450 bends, adapters, tee pieces, couplers etc. Removable cable retainers shall be provided wherever required.

− Installation

Trunking/race-ways shall be installed in readily accessible places. Trunking shall be supported at regular intervals of two meters. Trunking shall be aligned properly during the erection to present a neat appearance. Standard lengths of trunkings shall be jointed together by suitable couplers. Wherever require, right angled bends, 1450 bends, tees etc. shall be provided in the run of cable trunk/raceways. trunking shall be so arranged that no more than 30 cables are run in any section. However, not more than 60% of cross sectional area of the raceway shall be occupied by the conductor. Trunking shall be painted with two coats of approved synthetic enamel paint.



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5.6 Electrical Panel / Distribution Board

5.6.1 Electrical Panels:

− General:

The scope of this section covers manufacture, supply, installation, testing and commissioning of Power Distribution Panels including MCCB panels rated upto 1000 volts.

− Electrical characteristics of Factory Built Assemblies:

The electrical characteristics of component parts of factory build assemblies shall be as indicated and shall apply when the components are mounted in their enclosures, appropriate derating factors having been allowed for the effect of the enclosures other components and interconnections.

− Enclosures of factory Built Assemblies:

Unless otherwise indicated enclosures shall provide a minimum degree of protection of IP 44 when located within buildings.

o Door shall have adequate fastenings with provision for locking in the closed position. Covers requiring tools for their removal are excluded from this requirement.

o Fixing holes for equipment inside buildings may be inside or outside the enclosure. o Earthing terminals shall be fitted to each enclosure, suitable for internal and external connection,

to enable the exposed conductive parts of the protective conductor. Where the enclosure has a painted finish, provision shall be made for earthing terminal to be electrically connected to the enclosure without need to remove any paint from ferrous metal.

o Cable terminals shall be suitable for the number, size and type of cables as indicated. Adequate spacing shall be allowed for spreading of cable tails to avoid stress on the insulation or terminals; if necessary, extension boxes shall be fitted to standard enclosures. Terminals for neutral conductors for three phase and neutral circuits shall be the same size as for phase conductor, except where reduced section neutral cable cores are indicated.

o Gland plates shall be provided for all multi-core cables of 35 Sq. mm and larger. For all sizes of single-core cable, non ferrous gland plates shall be provided and there shall be a clearance of not less than 25 mm between cable glands and ferrous metal.

o Metallic enclosures for location within buildings shall have a stove dried painted finish of the manufacturer’s standard colour, unless otherwise indicated. Ferrous parts shall be degreased and adequately rust protected immediately prior to painting.



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− Construction:

o All electrical panels will be fabricated from 14 SWG MS sheets properly supported with angles and channels.

o Cubicle will be floor mounted type unless specified otherwise. o The door will be provided with internal hinges and panel locks of superior quality. The hinges will

be union joint type to facilitate easy removal of the doors when necessary. o The doors will be provided in a similar fashion as generally provided for the outdoor cabinet,

where water cannot enter in the cabinet from the door. o The door will be provided with strengthening arrangement to avoid wobbling and distortion. o Wherever the doors are opened on horizontal hinges, an arrangement will be provided to latch

the doors in an open condition for inspection of the wiring. o Generally push buttons, signal lamps and control components will be provided on hinged door,

hinged at the top, with suitable latching arrangement to hold the door in open position. These components i.e. push buttons, lamps etc. will be at approximately 1400 mm height.

o The cabinet will be of welded construction and not of jointing construction. o The channel frame of 300 mm height shall be fabricated. Minimum section of channel 75mm x 6

mm x 40mm will be provided at the bottom of each cabinet. This is required to make the cabinet stable and space for cable bends. The foundation holes with grouting bolts will be provided in the channel frame.

o Sectionalized cable entry plates of 16 SWG MS sheets at the bottom complete with cable glands and cable lugs for both the end terminations of each cable should also be supplied in sizes as specified in the panel details.

o The circuit components will be mounted on sectionalized 16 SWG MS sheet with suitable threading in the sheets to facilitate easy maintenance, future addition etc.

o he circuit components will be mounted on sectionalized 16 SWG MS sheet with suitable threading in the sheets to facilitate easy maintenance, future addition etc.

− Dimensions:

The height of the panel will be as per the drawing but not be more than 2200 mm. Depth of the panel will not be less than 300 mm and width of the panel will be given in the particulars of panel specifications. Width of the door will be restricted to 600 mm. Shop drawings shall have to be approved by the Engineer-in-Charge before fabrication is taken up by hand.

− Adaptor Chambers for all cable entries:

Wherever necessary, sheet metal adaptor chambers with angle frame and minimum depth of 300 mm will be supplied with panel. All the covers of adaptor box will be removable type. The box can be mounted horizontally or vertically. The pattern of cable entry, wherever not specified will have to be confirmed by the manufacturer in writing after placement of order.

− Powder Coating Treatment:

The cubicle will undergo the process of Powder Coating treatment to the satisfaction of the Engineer-in-Charge.

− Busbars:

The busbars will be tinned and made of Aluminum designed to have a current density of 1.25 amps per sq. mm. The busbars will be covered with PVC sleeves and properly supported. The busbar supports will be designed to withstand short circuit current equivalent to 25 MVA at 415 volts. The busbars will be adequately insulated and protected to prevent accidental contact during operation and maintenance.



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− Insulation:

The insulation between phases and between phases and ground of the power conductors will be made of synthetic resin board/molding, resistant to dust and dampness. All insulating material will be non-hygroscopic, fungus-proof and treated with suitable synthetic varnishes.

− Terminals:

Upto 35 sq. mm cables, the terminal will be provided of clip-on type generally manufactured by M/s Elmex or M/s Technoplast and above 35 sq. mm, cable end terminals will provide of brass stud type designed of rugged construction.

− Wire ways:

PVC extruded wire ways of required size will be provided for wiring in the control panel.

− Ferruling and colour code:

Cabling for power circuit should be Red, Yellow and Blue or otherwise proper coloured sleeving will be provided at both ends of cables. For control cables, every conductor will be provided with the identification ferrule matching with the one in the drawing.

− Cable Termination:

Every cable, either for control or power duty will be provided with crimped type of lugs of suitable size as specified.

− Cables (Internal Wiring)

All the cables will be PVC insulated of ISI approved and reputed make. The cables will be copper conductor only and will be stranded and minimum number of strands will be three. The ratings will confirm to IEE regulations. PVC flexible conductor, if used, will have minimum size of 24/35.

− Earthing:

The earth busbars should be of G.I. as specified. G.I. bolts and nuts shall have to be of cadium plated with washer. Earth busbars will be provided all around the cubicle at the bottom and it will be of the same size as neutral busbar but the maximum size will be 75 x 6 mm with duplex external earth connection arrangement.

− Cable Glands and Lugs:

The cable glands will be of brass cone grip type. These glands will be provided for all the outgoing connections at both the ends for power as well as control circuits provided in the panel and also for the incoming cable or cables. Lugs will be crimped for termination of outgoing cable at both ends (i.e. load end and panel end) with each outgoing feeder.

− Name plate:

The panel as well as the feeder compartment doors shall be provided with name plate giving the switchboard/feeder descriptions as indicated on the drawings. The above shall be mounted in metal holder with a clear plastic sheet on inside surface of the front door.

− Feeder Units:

o The feeder units shall be of compartmental design comprising of cubicles assembled together and shall incorporate cubicle MCCB and MCB having rupturing capacity of minimum 25 KA and 10 KA at 440 volts respectively.



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o The MCCB shall be quick break and trip free type with magnetic thermal release and under voltage release protection against overload and short circuit and under Voltage.

o Individual MCCB (with ammeter, selector switch, CTs) small wiring where provided should be easily removable from the front of the switchboard for servicing and maintenance. The connections to MCCBs from the busbars and cables should be terminated in pressure bolted joints inside the switch contacts.

o The MCCB shall have ratings: 100A, 200 A, 250A, 400A, 630A with 25 KA (minimum) rupturing capacity.

o Bus bar should have sufficient mechanical strength to withstand the effects of short circuit until it can be cleared by appropriate protecting device. All busbars should be clearly marked with appropriate colour code to enable immediate identification of the phase and neutral.

o The vertical bus bar should have a number of laminations to give appropriate current rating and can be graded to suit the current rating required at each point by omitting laminations at the points of current decrease. All busbar connections should be clamped and no drilling should be necessary.

o Arrangements should be provided to receive PVC cables either from the topside or from the bottom (as specified). End plates should be mounted inside the busbar at unit level for cables from above or below.

o All sheet-steel parts used in the construction of a cubicle board should have undergone rigorous rust proofing process which must comprise of alkaline degreasing descaling in dilute sulphuric acid and a recognized phosphating process. The steel work shall be finished with powder coating paint.

o The equipment when assembled shall form a neat and compact unit and shall be complete with supporting framework, mounting channels, and foundation bolts etc. and shall be designed Engineer-in-Charge as to ensure complete interchangeability of components.

− Testing:

The power control centres shall be tested at factory after assembling of all components and completion of all interconnections and wiring. Tests shall be conducted in accordance with the requirements of BS: 3659.

− Insulation Test:

Insulation of the main circuit, i.e. the insulation resistance of each pole to the earth and that between the poles shall be measured.

Insulation resistance to earth of all secondary wiring should be tested with 1000 volt meggar. Insulation test shall be carried out both before and after high voltage test.

− High Voltage Test:

A high voltage test with 2.5 KV for one minute shall be applied between the poles and earth. Test shall be carried out on each pole in turn with the remaining poles earthed, all units raked in position and the breakers closed. Original test certificate shall be submitted along with panel.

− Storing, Erection and Commissioning:

The panels shall be stored in a well ventilated, dry place, with a suitable polythene covers for necessary protection against moisture.

− Erection:

Switch boards shall be installed on suitable foundation. Foundation shall be as per the dimensions supplied by the panel manufacturer. The foundation shall be flat and leveled. Suitable



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grouting holes shall be provided in the foundation. Suitable MS base channel shall be embedded in foundation on which the panel can be directly installed. The switch boards shall be properly aligned and bolted to the foundation by at least four bolts. Cables shall be terminated on the bottom plate or top plate as the case may be, by using high quality brass compression glands. The individual cables shall then be led through the panel to the required feeder compartments for necessary terminations. The cables shall be clamped to the supporting arrangement. The switchboard earth bus shall be connected to the local earth grid.

− Pre-commission Tests:

o Panels shall be commissioned only after the successful comletion of the following tests. The tests shall be carried in the presence of Enginner-in-charge/Consultant's or their representatives.

o All main and auxiliary bus bar connections shall be checked and tightened. o All wiring termination and bus bar joints shall be checked and tightened. o Wiring shall be checked to ensure that it is according to the drawing. o All wiring shall be tested for insualtion resistance by a 1000 volts meggar. o Phase rotation tests shall be conducted. o Suitable injection tests shall be applied to all the measuring instruments to establish the

correctness and accuracy of calibration and working order. o All relays and protective devices shall be tested for correctness of settings and operation by

introducing a current generator and an ammeter in the circuit.

5.6.2 Distribution Boards

− Standards & Codes

o The following Indian Standard Specifications and Codes of Practice will apply to the equipment and the work covered by the scope of this contract. In addition the relevant clauses of the Indian Electricity Act 1910 and Indian Electricity Rules 1956 as amended upto date shall also apply. Wherever appropriate Indian Standards are not available, relevant British and/or IEC Standards shall be applicable.

o BIS certified equipment shall be used as a part of the Contract in line with Government regulations. Necessary test certificates in support of the certification shall be submitted prior to supply of the equipment. It is to be noted that updated and current Standards shall be applicable irrespective of those listed below. Miniature Air Circuit Breakers for AC circuits IS 8828 : 1978 Degrees of Protection provided by enclosures for low voltage switchgear IS 2147 : 1962 Code of Practice for installation and maintenance of switchgear not exceeding 1000 volts IS 10118 : 1982 General requirements for switchgear and controlgear for voltages not exceeding 1000 volts IS 4237 : 1982

− Miniature Circuit Breaker

o The MCB's shall be of the completely moulded design suitable for operation at 240/415 Volts 50 Hz system.

o The MCB's shall have a rupturing capacity of 10 KA at 0.5 p.f.



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o The MCB's shall have inverse time delayed thermal overload and instantaneous magnetic short circuit protection. The MCB time current characteristic shall coordinate with H.R.C. fuse/PVC cable characteristic.

o Type test certificates from independent authorities shall be submitted with the tender.

− Distribution Boards

o Final distribution boards shall be flush mounting, totally enclosed, dust and vermin proof and shall comprise of miniature circuit breakers, earth leakage circuit breakers, neutral link etc as detailed in the schedule of quantities.

o The distribution equipment forming a part of the Distribution Boards shall comply with the relevant Standards and Codes of the Bureau of Indian Standards and as per detailed specifications included in this tender document.

o The board shall be fabricated from 14 gauge CRCA sheet steel and shall have a hinged lockable spring loaded cover. All cutouts and covers shall be provided with synthetic rubber gaskets. The entire construction shall give a IP 42 degree of protection.

o The bus-bar shall be of electrical grade aluminium having a maximum current density of 0.8 ampere per square mm and PVC insulated throughout the length.

o All the internal connections shall be with either solid copper PVC insulated or copper conductor PVC insulated wires of adequate rating.

o All the internal connections shall be concealed by providing a hinged protective panel to avoid accidental contact with live points.

o All outgoing equipment shall be connected direct to the bus bar on the live side. The equipment shall be mounted on a frame work for easy removal and maintenance.

o The sheet steel work shall undergo a rigorous rust proofing process, two coats of filler oxide primer and final powder coated paint finish.

o All the circuits shall have an independent neutral insulated wire, one per circuit, and shall be numbered and marked as required by the Owners.

o A sample of the completed board is to be got approved by the architects/owners before commencement of supply and erection.

o Laminated SLD should be fixing inside the DB.

− Sheet Steel Treatment And Painting

o Sheet Steel materials used in the construction of these units should have undergone a rigorous rust proofing process (7 tank process) comprising of alkaline degreasing, descaling in dilute sulphuric acid and a recognised phosphating process. The steel work shall then receive two costs of oxide filler primer before final painting. Castings shall be scrupulously cleaned and fettled before receiving a similar oxide primer coat.

o All sheet steel shall after metal treatment be given powder coated finish painted with two coats of shade 692 to IS 5 on the outside and white on the inside. Each coat of paint shall be properly stoved and the paint thickness shall not be less than 50 microns.

− Name Plates And Labels

o Suitable engraved white on black name plates and identification labels of metal for all Switch Boards and Circuits shall be provided. These shall indicate the feeder number and feeder designation



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5.7 BUS DUCT/ RISING MAIN 5.7.1 General

− All bus bar trunking shall be of Aluminium or Copper, low impedance, Compact type, Air Insulated, comprise three phase, full size neutral (totally enclosed in extruded fully aluminium housing), of the rating as shown on the BOQ & Drawings.

− Busbar Trunking System must be of operational Voltage rated to 500V AC and with a pollution degree of 3 to EN 60947.

− The bus bar trunking system shall have both Damp heat , constant as per IEC 60068-2-78 and Damp Heat, Cyclic, as per IEC 60068-2-30 compliance.

− The system shall be complete with all necessary fittings, tap off units, universal fixing brackets. For vertical bus bar riser provision of tap off points is allowed on one side when the other side is inaccessible. For horizontal bus bar, every 3 meters length of bus bar trunking, a minimum of 2 to 3 tap-off points can be designed and allowed for on both sides of the bus bar trunking. Actual required tap-off openings shall follow that of the drawings provided.

− The bus bar trunking shall be capable of being mounted in any position without de-rating. Plug in and feeder sections shall be interchangeable without the use of special adaptor joint covers. The complete installation shall be coordinated throughout and where possible, shall consist of 3m sections with special sections and fittings provided to suit the installation.

− Horizontal runs of bus bar trunking shall be supported by universal fixing brackets at every 2 meters, vertical runs of bus bar riser shall be supported with wall mounted universal fixing brackets not more than 2m apart

− Care on support works should also be taken into account when the bus bar with tap-off slots runs flat wise. Support brackets should be positioned such that they do not obstruct the placement of the tap-off unit. This thus maximizes the available tap-off slots for use.

− Support brackets should not be positioned underneath joint blocks. − Vertical installed bus bar trunking shall be supported at each floor by a spring support system

which shall be capable of supporting the full weight of the bus bar trunking beneath and shall make allowance for thermal expansion. Where floor to floor distance exceeds 5 meters, intermediate spring supports shall be provided.

− Plug-In Busbar trunking (horizontal/vertical) runs should be terminated by ‘end covers’.


It shall be constructed in accordance with the applicable requirements of the latest edition BSEN 60439-1 & 2 / IEC 439-1 & 2 and tested by an independent test laboratory, LOVAG, for rated short-circuit current carrying capacity.

5.7.3 Construction

− Environment



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The bus bar shall be suitable for continuous operation without de-rating at an ambient temperature of up to 45degree C.

− Busbars

o The busbars shall be of hard drawn high conductivity Aluminium or copper (as per BOQ) with full size neutral of the same cross-sectional area as the phase conductor, it shall be provided for all bus bar ratings.

o Each bus bar trunking shall be LOVAG type tested for all the test & test certificate to be accumulated and certified for short circuit rating for one second covering phase, neutral and fully aluminum housing as protective earth conductor.

− Insulation Material

The insulation material shall be of Mylar insulation with a 130oC (Class B insulation class). It must be non-hygroscopic and self extinguished in case of fire. This material must not emit toxic gases when burning.

− Temperature Rise

The maximum hot spot temperature rise at any point in the bus way at continuous rated and shall not exceed 50o C above the maximum ambient temperature of 45oC in any position.

− Joints

Electrical jointing shall be achieved by means of a quick make, non reversible and removable joint pack comprising of a double-headed, torque indicating joint bolt with a high visibility disc for visual indication of unmade joints.

− Enclosure

The housing of the bus bar trunking shall be constructed from extruded Aluminum of thickness not less than 3mm for each side and 3mm for top and bottom to provide maximum protection against corrosion and provide maximum strength and rigidity. The fully aluminum housing shall be painted finish to RAL7035 and fully fault rated. Bus way shall be of indoor construction with degree of protection IP54 in accordance to BSEN 60529 / IEC 529 and rated for both horizontal and vertical mounting positions. The degree of protection indicated shall apply to the complete system including tapping windows and joints.

− Protective Conductor

Housing ground shall be fully aluminum type. Steel housing or part steel and part aluminum housing ground are not acceptable. The copper ampere equivalent of the aluminum housing must be 100% of the phase copper conductor for bus bar trunking ampere rating up to 2500A.

− Tap Off Outlets

All tap-off outlets shall be equipped with manufacturer designed and fitted automatic safety shutters to prevent accidental contact of the bus bar conductors and providing degree of personal protection & safety to IP2X in accordance to BSEN60529 / IEC 529. The automatic safety shutters shall activate only upon insertion of the tap-off unit. When not in use, tap-off outlet opening shall have a protective cover over it. The plug in points shall also provide positive engagement by the grounding stab of the plug in device.

− Tap off Box



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o Tap-off boxes shall be constructed of zinc plated sheet steel and shall be complete with hinged lids with a protective standard of IP54 with RAL7035 paint finish.

o Tap-off boxes shall be from the same manufacturer as the bus bar system and shall be provided with for circuit breakers according to ratings as indicated in the drawings.

o All circuit breakers used shall be TPN. The MCCB operating mechanism shall be independent of operating speed and the over centre toggle action shall provide a quick-make and quick-break switching. Handles shall be trip-free.

o Covers of all plug-in units must have releasable type interlocks to prevent the covers from being opened while the breaker is in the ‘ON’ position.

o Handle with lock attachments capable of locking the MCCB either in the open or closed position shall be provided.

o Tap-off boxes up to 630A shall be of the plug-in type for ease of installation and removal. o Tap-off boxes up to 630A can be changed when the bus bar system is in a ‘live’ condition. o All parts of the bus bar trunking system must be Halogen free.

5.7.4 Installation

Fully detailed installation manuals shall be supplied describing topics such as handling, storage, installation, energizing and maintenance



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5.8 Uninterrupted Power Supply (UPS)

5.8.1 General

This specification describes a three phases, continuous duty, solid state Uninterruptible Power System hereafter referred to as the UPS. The UPS shall operate in conjunction with the existing building electrical system to provide precisely controlled power for critical equipment loads. The system shall consist of a solid state inverter, rectifier/battery charger, a storage battery, a static bypass transfer switch, synchronization control circuitry, connection control circuitry, disconnection, control circuitry, system metering, system status indicators, system alarm annunciation circuitry ,and accessories as specified herein. The system shall automatically ensure continuity of electric power within specified tolerances, without interruption, upon failure or deterioration of the normal power supply. Continuity of electric power to the load shall be supplied by the batteries, up to the specified maximum protection time or until restoration of the normal input AC power source, whichever occurs first.

5.8.2 Specification

The UPS shall meet the requirements of the following standards: − UL listed under 1778, Standards for Uninterruptible Power Supply Equipment − UL Canada (cUL) − IEEE 587-1980/ANSI C62.41 1980 Standards for Surge Withstand ability − ISO 9001/ ISO 14001 Quality Standard, − The UPS shall be designed in accordance with the applicable sections of the documents

published by: National Fire Protection Association (NFPA)/ National Electric Code (NEC) National Electrical Manufacturer's Association (NEMA) Occupational Safety & Health Administration (OSHA)

− All components shall be listed by Underwriter's Laboratories, Inc. (UL) whenever such listings have been established.

5.8.3 Submittals

Submittals shall contain the following documentation:

5.8.4 Installation Package: Complete electrical characteristics and connection requirements.

Provide detailed equipment outlines with cabinet dimensions and spacing requirements; location of conduit entry/exit paths; location of floor/seismic mounting; available battery types/sizes; all cabinet weights; heat rejection and air flow requirements; single-line diagram; control, and external wiring.

5.8.5 Product Data: Provide catalog sheets and technical data sheets to indicate physical data and electrical performance, electrical characteristics, and connection requirements.

5.8.6 Manufacturer’s Installation Instructions: Indicate application conditions and limitations of use stipulated by Product testing agency. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of Product. Include equipment installation



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outline, connection diagram for external cabling, internal wiring diagram, and written instruction for installation.

5.8.7 Final Submittals

Upon delivery of the UPS system, the following submittals shall be included: − A complete set of installation drawings showing all the information stated in section 1.3. − An installation and users manual showing safe and correct operation of all UPS functions.

5.8.8 Qualifications & Quality Assurance

− Manufacturer’s Certification: The manufacturer shall specialize in manufacturing of on-line, double conversion three phase UPS modules specified in this document with a minimum of twenty years documented experience, and with a nationwide first party service organization. The manufacturer shall be ISO 9001 certified and shall design to internationally accepted standards.

− Factory Testing: Prior to shipment the manufacturer shall complete a documented test procedure to test all functions of the UPS module and batteries (via a discharge test), when supplied by the UPS manufacturer, and guarantee compliance with the specification. The factory test shall be performed in the presence of the customer providing the manufacturer receives adequate prior notice. The manufacturer shall provide a copy of the test report upon request.

− Materials and Assemblies: All materials and parts comprising the UPS shall be new, of current manufacture, and shall not have been in prior service, except as required during factory testing. All active electronic devices shall be solid state and not exceed the manufacturer’s recommended tolerances for temperature or current to ensure maximum reliability. All semiconductor devices shall be sealed. All relays shall be provided with dust covers. The manufacturer shall conduct inspections on incoming parts, modular assemblies and final products.

5.8.9 Delivery, Storage, and Handling

− All products shall be packaged in a manner to prevent penetration by debris and to allow safe delivery by all modes of ground transportation and air transportation where specified.

− Prior to shipping all products shall be inspected at the factory for damage. − Equipment shall be protected against extreme temperature and humidity and shall be stored in a

conditioned or protected environment. − Equipment containing batteries shall not be stored for a period exceeding three months without

powering up the equipment for a period of eight hours to recharge the batteries. − Off loading from the truck and setting in place of all equipment including batteries specified herein

shall be responsibility of the installation contractor, including and all associated labor, parts, tools and equipment.

− Installation and wiring of all equipment shall be the responsibility of electrical installation contractor under a separate contract.

5.8.10 Environmental Requirements

The UPS shall be capable of withstanding any combination of the following environmental conditions in which it must operate without mechanical or electrical damage, or degradation of operating characteristics.

− Temperature:

UPS Module Operating: 0°C to 35°C Non-operating: -25°C to +45°C (-4° to 113°F)



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− Relative Humidity (operating and storage): 0 to 95% non-condensing

− Barometric Pressure: Up to 1,000 meters above sea level / Up to 10,000 meters above sea level non-operating

− Audible Noise: Maximum 68 dB "A" weighing @ five feet

5.8.11 Warranty

UPS Module: The UPS shall be covered by a full parts and labor warranty from the manufacturer for a period of twelve (12) months from date of installation or acceptance by customer or eighteen (18) months from date of shipment from the manufacturer, whichever occurs first.

Battery: The battery manufacturer’s warranty shall be passed through to the final customer and shall have a minimum period of one year.

Service and Spare Parts

The manufacturer shall, upon request, provide spare parts kits for the UPS module in a timely manner; as well as provide access to qualified factory trained first party service personnel to provide preventative maintenance and service on the UPS module when required.

5.8.12 Maintenance, Accessibility and Self Diagnostics

All UPS subassemblies, as well as the battery, shall be accessible from the front. UPS design shall provide maximum reliability and minimum MTTR (mean time to repair). To that end, the UPS shall be equipped with a self-test function to verify correct system operation. The self-test function shall identify the subassembly requiring repair in the event of a fault. The electronic UPS control and monitoring assembly shall therefore be fully microprocessor based, thus doing away with all potentiometer settings. This shall allow:

o Auto-compensation of component drift; o Self-adjustment of replaced subassemblies; o Extensive acquisition of information vital for computer-aided diagnostics (local or remote); o Socket connections to interface with computer-aided diagnostics system.

The UPS shall be repairable by replacing standard subassemblies requiring no adjustments. Communication via a modem with a remote maintenance system shall be possible.



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5.9 IT and Telecommunication

5.9.1 EPABX System − Technical Specification of Exchange

The exchange shall be Q-SIG compliant, Integrated Services Digital Network Exchange of SPC type PCM/TDM based , non-blocking supporting ISDN feature for Subscriber lines and trunks / tie-lines/junctions / E1/ PRI etc.

− Environmental Condition

The equipment offered shall be capable of maintaining its guaranteed performance when operating continuously for 24 hours a day and 365 days a year under the following environmental conditions.

a. Operational temperature System performance to be guaranteed for 0ºC to +30ºC However equipment shall be able to operate at 45ºC occasionally i.e. maximum 5 to 6 hours a day. b. Storage - 10ºC to +70ºC c. Humidity 20% to 80% without condensation. d. Shock and vibration the equipment shall withstand Transportation & handling by air sea & road under packed conditions e. Electro magnetic Compatibility As required for electronic equipment working in vicinity HF/VHF/ UHF systems.

− The system shall be built around commercial microprocessor (CPU) like Pentium or RISC type or equivalent capable of switching voice, data and images without any degradation. To protect the investment from obsolescence, the system shall allow for scalable up-gradation of the CPU without affecting and replacing the whole system or the other peripheral hardware. The system shall have full control hardware redundancy in Hot Standby Mode & Hot Swappable Mode. In case of catastrophic failures, the processor in duplicate should take over without dropping / interrupting any of the existing calls in progress. System should have duplications of the following modules.

− The Main Control cards of the system should necessarily offer TCP/IP (Ethernet) connectivity for programming and maintenance and a serial port for backup. Only serial port as a programming interface is not acceptable.

− The system should boot from Flash RAM/Flash Disk/Hard disk for faster booting. It should be possible to take back ups in Flash RAM/Flash Disk/hard disks/CD/DVD. Memory storage shall be sufficient to meet the present requirement & future system upgradability. Two spare copies of the software shall be supplied along with the supplied systems.

− The system should be of state-of-art based; software controlled and should switch simultaneously to voice, Data without any degradation of service quality.



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− The system should be totally non-Blocking type and all the port cards should have equal access to any free available time slot and should have equal access time to TDM Bus.

− The system should have a completely distributed architecture without any single point of failure. It will be preferred that all cards of the system have their own separate power supplies mounted on the PCB itself, for better reliability and avoiding any dependence on a single card of the system.

− System should be based on Universal port architecture and except for Common Control and Power supply card (if any), system should not impose any restriction in terms of slots usage for a particular functional benefit.

− The exchange shall support Caller Line Identification for all Digital subscribers and analog telephones also, when used for analog subscribers. Documentary proof of availability of this feature shall be enclosed along with the bid.

− The Exchange shall support all common PBX Features such as: o Abbreviated Dialing. o Last Number Redial. o Call Forwarding (Busy, No Answer & Time). o Caller Line ID for ISDN Exchange subscribers on all extensions. o Call Pickup and group call pick up. o Connected Line identification. o Connected line Identification Restrictions (COLR). o Malicious call trace (across ISDN network). o Simultaneous paging on Digital extensions. o Integrated Voice guidance messages. o Voice Announcements for incoming trunks / PSTN calls. o Auto attendant announcement in case all Operators are busy. o Voice Announcement informing callers about status of called extensions. o Executive Override. o Do with Authorization to access PSTN lines. o Emergency transfer to predefined extensions of C.O. lines on power failure. o Classes of service restriction. o Authorization to access GAIL Trunks. o Floating PIN to log-in from any extension by dialing ID code. o Leave Word calling. o Simultaneous Three Conference bridges to conferencing calls (of 14 parties or above

each). o Integrated Directory (for Digital Phone). o Don‘t Disturb. o Wakeup call with announcements. o Mixed Mode dialling (DTMF / Pulse interchangeability). o Discriminative ringing for extension call, operator or trunk call. o Flexible& user definable numbering plan. o DID/DOD. o Call Park. o Call waiting. o Closed User Group (CUG). o Music on hold. o Hotline between two points with ring extended on lifting of the Handset to redefined

destination. (With and without delay). o Call warning (audio beep to user when operators lands). o Group Conference calling for more than 20 parties or more (CONF). o Mixed station dialling.



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o Pad lock. o Shall support following signaling Protocols: − Analog: E&M (2W), E&M (4W), DC loop signaling, decadic, DTMF & compressed signaling,

analog lines in ring down mode. o ISDN PRI, R2MFC, CEPT (programmable 2MB PCBs for either E1 or PRI). This

functionality should necessarily be provided. o QSIG compliant. o ISDN BRI. o Loop Tie. o Direct connection of Magneto Telephone. o All the Common Signaling Standards connections to PSTN. o All other protocols as applicable for operation of ISDN services, wireless telephony services,

video conferencing, multimedia services, ISDN point to point or point to multi point Protocols for BRI etc.

o The Exchange shall support voice terminal and personal computers, BRI extensions, ISDN BRI trunks and ISDN PRI Trunks, G4 FAX.

o Should have build in ACD functionality adopted for ISDN / Non ISDN. o Upgradeable to CTI with direct Ethernet Connectivity to LAN. o Email-Voicemail Integration: By this it is to say that — The system with the help of software

loaded into Customer premises PC (LAN Node) and the Voicemail system Hardware and Software shall be able to access the voice mails from any connected LAN Node‘s screen.

o Shall support automatic Route selection. o Shall VoIP phones and VoIP trunks without needing external Server by inserting

appropriate interface cards and without having to replace the existing system.

− Remote Shelf Working :

Though the system may not have all the hardware to start with, it shall have the capability to achieve remote shelf working without re-wiring or additional / alteration of any common cards to provide remote shelf working with the following:

o The system should support Remote Shelf working minimum up to 20 Km on optical fiber connectivity or with E1 provided by owner. System should provide high reliability for remote extensions.

o The remote Shelf should operate as an integral part of the switching system exactly as if it were inside the main cabinet.

o Optional Control Processor at the remote locations for self-healing / standby operations in the event of fiber optic failure to provide by addition of control cards.

o The remote shelf should preferable be in line with the latest TDMoIP concept for enabling higher reliability and bandwidth

− Feature Transparency: The PBXs shall be able to extend feature availability over the network. The Q-Sig feature availability shall be applicable to at least the following: -

o Audio Speec h basic call. o Calling line Identification and Name Identification o Call Forwarding (Busy, No Answer, All Calls) o Camp ON (Call completion on no reply) o Call Offer o Camp ON (Call completion on busy) o Calling and Answering party name and No. ID. o Do not disturb / Override.



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o Follow Me. o Hot line between two points with ring extended on lifting of the Handset to predefined destination.

− Up gradation of features / facilities:

o The up gradation should be in building block architecture by adding on additional stacks / cabinets. However, such expansion should neither involve any processor up gradation nor any of the other common control cards, and the processor and controls in the main shelf should be able to support the entire expandable capacity of 984 ports.

o The supplied exchange is to be connected across the 2 MBPS backbone streams provided by GAIL with each other as nodes and offer availability of all Q-Sig features at the other end. They should also be able to connect the GAIL’s existing Exchanges. They should also to interface and work with the existing exchanges already in use with GAIL. Feature transparency with the Q-Sig compliant existing EPABX shall be possible.

− Trunk Features:

Support all signaling standards. Transit calls. CO to Tie line restriction. Tie Line Tandem Restriction. Trunk Camp ON. Digital Tie Line. CO to CO transfer. o Q-Sig Compatibility with all features. o Area code restriction. o Call Monitoring system. o Silent Monitoring. o Night attendant Console. − The system shall provide 100% Non- blocking Digital paths for voice communication. The system

shall work as a local switch, transit switch with capabilities of voice/switching. − The system shall have built in Integrated Line Testing & Diagnostic feature. This facility shall

provide information about short circuits, open circuits, high voltage on each line. It shall also be able to detect the number of parallel phones on each line, etc.

− Hardware shall be designed in such manner that by programming the software, line parameters can be modified.

− The system-programming interface through Ethernet-TCP/IP should be windows based software offering Graphical User Interface (GUI) and user friendly. The system programming should not be based on DOS based programs, using cryptic commands.

− The system should offer a minimum of 3 Party conferences wherein any of the circuits (both internal and external) can form a part of a single conference.

− The system should also offer ISDN ‘U’ interface (on the network end) other than ISDN ‘S’ interface through in-skin system cards.

− Hardware Coverage of defined capacity: Where ever the number asked for a certain extensions or junction is not an exact multiple of the number of ports per card being offered by the tenderer, the tenderer shall quote for a multiple that is just higher than the number asked for as for example if 24 extension are asked for and a tenderer‘s system makes cards of that type extension with say 16 extensions only, he shall quote for two cards or 32 extensions. No weightage will be given for the additional ports being offered for the purpose of evaluation.

− The tenderer shall supply the same type of cards for any given type of extensions/trunks such as analog line, Digital extension line, BRI, PRI etc. if twelve numbers ports of a particular type of trunk / extension are sought, the tenderer shall supply 3 cards of 4 port extensions or two cards of 8-port type but not a combination to optimize the number. This is with an intention to minimize the



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need for holding multiplicity of types of cards. However, while complying the requirement, the vendor shall not supply any obsolete card to fulfill the requirement.

− The above shall apply to other items such as Voicemail Hours or Voicemail boxes etc which may have different units.

− Maintenance and administrative Terminals (PC based multimedia) shall be supplied suitably of reputed make like Compaq, HP, IBM and Dell of latest version available.

− Maintenance and administrative Terminals shall be protected through a suitable password. Remote monitoring, diagnosis, data update shall preferably be possible by accessing the system through a nominated subscriber line/Trunk circuit etc. Call billing management system for DID/Junction lines/ shall be provided.

− The jumpering shall be undertaken with 0.5 mm wire. − The scope also includes neat laying out of cables trays / troughs between Exchange and their

dressing.

− Technical Specifications of Desk top Operator Consoles:

The Operator consoles shall support: o Caller Line Identification. o Day, date and time display. o Hands free dialing. o Shall support at least 1000 users’ directory for ordinary console. o Call queuing. o Abbreviated dialing for internal and external users o Audio visual indications for incoming calls o Minimum 40 characters in each line and minimum of 4 lines large backlit display. o Volume Control for Ringer and speech o Identification of calls and Hold and waiting o Minimum of 120 key (DSS) for specific Trunks / extension access o Call return to operator if the called party does not respond. o Inbuilt data port in the form of either USB or RS 232C. o Shall support connection of Head set and Handset. o Should be able to give status of at least 1000 extensions on line. o Shall be able to dial any subscriber on the Exchange network. o Shall be able to work as CB / OTD trunk access board

− Technical Specifications of Digital Key Telephones:

Digital Key Telephones system should have the following specifications:

o 2line, minimum 16 characters LCD Display. o Messages wait Indicator. o Minimum 12 programmable keys for extension busy status, junction programming feature

programming with lamp indication. o Shall support soft key. o Incoming Speech Gain Control. o Ringer Volume Control. o Full Speakerphone. o Hot dial form key pad. o Adjustable Handset and Monitor speaker volume. o Monitor Speaker / On-Hook dialing

Technical Specification of Voicemail & IVR system: The tenderer shall supply 4 port Integrated voice mail with facility for e-mail integration and auto attendant system with minimum of 250 Hrs



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storage and capability to configure more than 400 mail boxes of varying size depending on individual user requirements. The Hardware/software required (internal to PBX and External if any) along with relevant authorized software shall be supplied. The Client software shall be able to work in existing GAIL LAN environment so that users can manage their voice and e-mail from their LAN connected desktops, in the future.

− The tenderer shall install the central voice mail system (software and hardware) as well as carryout the software installation for user terminals.

− The Voice Mail quoted should be from the same product line of the original equipment manufacturer of the system quoted. No third party solution will be considered.

− Messages wait notification on normal analog phones. This should be terms of audible and visible notifications.

− Different call treatment for Internal & External calls: The conditions on which particular call (either internal or external) should go to the voice mail can be specified. Typically the Call can reach a voice mail on the following conditions:

o Ring on no answer (No of rings after which the call to be routed to voice mail can be specified). o Busy / Do Not Disturb / On Call forwarding to the respective user / Time based slide to voice mail. o Quick Disconnect facility: Should be possible to sense the blank calls and disconnect

immediately. Built in busy tone detectors should be provided in Voice Mail. o System should be capable of Networking with similar system at different locations. o The system must have a capability to integrate Voice Messaging, e-mail and Internet Messaging. o The system should have Add on facility for additional channels and additional features

consequent on increased requirement by way of 8/12/ and 16 ports. o The system must support onsite speech recording facility, in the future. o Vendor to clearly state the arrangement. o Should have the facility for silent recording

− Technical Specifications for installation of EPABX:

The scope under this item extended to o Grounding / Foundation required for fixing the racks. o Restoration of Floors / walls after masonry / drilling works. o Physical assembly of hardware of the exchange. o Interconnection between different racks / modules. o Connection up to system MDF. o Connections to Other Exchanges of GAIL through E1 or OFC / Microwave. o Connections to power equipments and earthing. o Connection to Associated components supplied in this tender such as the voice Mail Equipment /

NMD / Operator terminals etc and their commissioning. − Installation of software and programming the exchange to suit the user specifications. − Connection and testing of different types of instruments and subscriber lines and trunks. − Replacement of any cards or components that may develop defects / damage before or during

installation. − Testing with all connected existing exchanges at other GAIL locations on different types of trunks

(i.e.E1/PRI). − Fully associate GAIL Personnel and giving them on the spot training regarding installation,

programming and trouble shooting. − Neatly and esthetically dressing up all the installation and wiring at the end of the work

− Equipment racks and mounting arrangement



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o The equipment shall be of modular construction. If steel is used, all parts must be given corrosion resistant treatment after all matching operations have been completed. If aluminum is used for the panels, the front surface must be etched prior to finishing. Adequate rigidity shall be provided to prevent undue distortion. Suitable vibration mounting shall be provided. The equipment and cable shall withstand all the vibrations imparted to the building and adjacent sites during any type of vehicle/train movements, nearby construction works, air conditioning/fan operation, DG set running etc.

o All the cards shall be hot swappable. o All the switches, control circuits components and sub assemblies or modules shall be mounted as

to permit their replacement without appreciable disturbance to other components. o Provision shall be made by means of mechanical and electrical interlocks and safety covers etc.,

so that operating and maintenance personnel are not exposed to harmful radiation and cannot come into accidental contact with dangerous voltages.

o Safety covers shall be fitted over terminals to which dangerous voltages (230V ac or higher) are applied. The words e.g., —Danger, High Voltage etc., shall be suitably printed or engraved on the cover.

o All the indoor cables / power supply wires / OFC cables etc., shall be taken through suitable conduit from equipment to the MDF for power and other connections to power panel and battery / chargers etc., the wiring on wall may be taken on suitable —casing and capping“ or PVC conduit.

o Cable complete with connection that may be required to interlink the various stages shall be substantial enough to withstand frequent handling and be suitably protected against corrosion. All wiring shall be done using proper cables and clamped to chassis where practicable. Where insulated leads pass through holes in the chassis, the holes shall be equipped with smoothly finished grommets. Color code shall be employed in wiring.

o The equipment shall be protected from damage due to a faulty condition or the operations of controls in the wrong sequence, by the provisions of fuses / circuit breakers, interlock circuits and similar safety devices. Fuses shall be mounted in an accessible position clearly labeled regarding their capacity and circuit position and shall be easily replaceable. Protection and isolation against transient voltages through power supply or any other higher voltages / current shall be provided.

o Each component shall be clearly identified with its circuit‘s designation by an appropriate marking method so that complete description and circuit position of the components can be located in the Instruction Hand Book. All controls, switches, indicators, meters, etc. shall be clearly marked to show their circuit designation and functions.

o The equipment rack shall be provided with forced cooling arrangements. The cooling fans where provided should work with the DC Power Supply extended to the Cabinet without requiring any other supply

− Call Billing System

Vendor must supply all required hardware and software. Bidder must submit the details of hardware & software require, supported by exchange to fulfill the minimum following mentioned function/facility. Bidder must submit the technical literature and detail of the item of all required hardware (like for PC its configuration – CPU type, RAM, hard disk floppy drive, color monitor etc.

o System shall have window based call billing software it shall allow dedicated billing system for organization with different rates. System shall allow dedicated i.e. by number wise reports, department, section wise, authorization code, account code, top money utilize, called number wise report, date wise report etc. system shall allow out dialed number privacy in call billing by suppressing partial or full digit for printing in the billing report. It shall provide graphical user interface for analysis of such report. Call billing software shall work in back ground mode.



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o The system shall give detailed information for all the DOT lines, E&M tie lines and digital trunk line outgoing calls separately.

o The billing software shall have feature which shall help in evaluating of communication cost, ways to improve in answering and handling the incoming calls etc. thus billing software shall be able to generates complete MIS (management information report)- trend in cost- Graphical reports for easy interpretation

o The billing software shall also preferably have traffic observations & performance observations features.

5.9.2 Cat 5e Cable Specification

CAT 5e cable should provide significant headroom above all TIA/EIA and ISO/IEC category 5e transmission performance specifications.

− Insulation Conductor Insulation: Thermoplastic PE

− Conductor 24 AWG solid bare copper

− Rip Cord Should be applied longitudinally under cable jacket

− Highlights It should be swept tested from 1 to 250 MHz Transmission performance should be verified It should have round jacket .The jacket material should be lead free

− Packaging 1000 ft. reel in a box or 3000 ft. reel Weight

− Standards Compliance ISO/IEC 11801: 2002 (Category 5e) ANSI/TIA/EIA-568-B.2 (Category 5e)

− Ethernet Applications Support o 1000BASE-T o 100BASE-T o 10BASE-T

Should support any application designed for category 5e or lower cabling Electrical Characteristics DC Resistance. < 9.38 Ohms/328 ft. DC Resistance Unbalance 5% Mutual Capacitance. 5.6nF/328 ft. Capacitance Unbalance. <330 pF/328 ft. Characteristic Impedance. 1<f<100:100 ± 15% NVP 100<f<160:100 ± 20% 160<f<250:100 ± 22% CMP- 70% CMR- 68%

Frequen cy (Mhz)

Insertion Loss (db/328 ft

NEXT Loss db

PS NEXTLoss db

ACR(db)

PS ACR(db)

ELFEXT(db)

PS ELFEX T db

Return Loss (db)

Propagation Delay (ns)

1.0 2.07 68.3 66.3 6.2 64.2 67.8 65.8 20.0 550.04.0 4.1 59.3 57.3 55.2 53.2 55.7 53.7 23.3 532.0

10.0 6.5 53.3 51.3 46.9 44.9 47.8 45.8 25.5 525.416.0 8.2 50.3 48.3 42.1 40.1 43.7 41.7 25.5 523.0



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20.0

Trans

9.2 48.8 46.8 39.6 37.6 41.7 39.7 25.5 522.031.25 11.5 45.9 43.9 34.4 32.4 37.9 35.9 24.4 520.4

62.5 16.5 41.4 39.4 24.9 22.9 31.8 29.8 22.7 518.6100.0 21.0 38.3 36.3 17.3 15.3 27.8 25.8 21.5 517.6125.0 23.6 36.9 34.9 13.3 11.3 25.8 23.8 21.0 517.2160.0 26.8 53.3 33.3 8.4 6.4 23.7 21.7 20.4 516.8175.0 28.1 34.7 32.7 6.5 4.5 22.9 20.9 20.1 516.7200.0 30.2 33.8 31.8 3.6 1.6 21.7 19.7 19.8 516.5250.0 34.0 32.3 30.3 -1.6 -3.6 19.8 17.8 19.2 516.3

mission Performance - Guaranteed Worst Case

− Physical Properties CMP CMR

Pulling Tension 25 Ibf (max) 25 Ibf (max) Bend Radius 1 in. (min) 1 in. (min) Installation Temperature -32 to 140 °F -4 to 140 °F Storage Temperature -4 to 167 °F -30 to 167 `F Operating Temperature -4 to 140 "F -30 to 140 `F

− CAT 5e Information Outlet Specification:

o The CAT 5e information outlets should comply fully with category 5e connecting hardware specifications for all pair combinations up to 100 MHz

o The lead frame design used for information outlet should have advanced pair balancing design with linear crosstalk response. It should ensure full compliance with category 5e specifications.

o The information outlet should use strain relief mechanism to simplify and reduce installation time protecting the quality of the termination simultaneously.

o The termination cap shall provide strain relief on the cable jacket, ensure cable twists are maintained to within 1/2" (12.7. mm) and include a wiring scheme label.

o The information outlet should be backward compatible and should comply with the IEC 60603-7 for backward compatibility.

o All outlets should be compatible with both T568A and T568B wiring options. o The jack shall be able to be re-terminated a minimum of 10 times and be available in multiple

colors or more for color-coding purposes. o They shall be universal in design, accepting 2, 3, or 4 pair modular plugs without damage to the

outer jack contacts. o The jacks shall terminate 4 pair 24 AWG 100 ohm solid unshielded twisted pair cable.

− CAT 5e Modular Cords Specifications:

o The modular cord should be compatible with both T568A and T568B wiring schemes 12. The modular cord should have strain relief boots with a latch guard or a one-piece, tangle-free latch design to protect plug latch from snagging when pulling cords through pathways or cable managers

o All the modular cord should be a factory assembled cords made out of stranded cable and should be 100% tested to 100 MHz.

o They shall be constructed with Cat 5 enhanced 24 AWG stranded UTP cable. and shall have an average reduction of greater than 3.5dB in near end cross talk when compared to industry



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standard Category 5 patch cords tested in a worst-case,100-meter channel to the TIA/EIA Category 5e standard.

o The modular cord should provide strain and bend relief mechanism to improve the plug-to-cable retention and maximum performance by preventing pair deformation. as caused by mechanical strain.

o The modular cord boots should be colored for additional color-coding of modular plug ends. o The modular plugs should provide long-term resistance to corrosion from humidity, extreme

temperatures, and airborne contaminants. o The 24 AWG (7 strands @ 0.20 mm) stranded wire should be used for longer bend fatigue life. o The modular cord plug geometry should meet FCC 68.500 and IEC 60603-7 specifications for

modular plugs. o The cordage and boots should be available in a wide range of colors for easy identification. o The Category 5e Stranded cable used to manufacture the modular patch cords should meet the

specifications set forth by both ANSI/TIA/EIA-568-B.2-1and ISO/IEC 11801:2002. o The modular patch cords should have compliance to both '568 and ‘11801 to ensure minimal

cable impedance variation and superior return loss performance. o Each patch cord shall be 100% verified for wiring sequence and continuity at the factory. o The patch cords shall come in various lengths from 1 to 20 feet. The patch cords shall be

available in as many colors as possible.

MAXIMUM FREQUENCY (MHz)

INSERTION LOSS (db/100m)

POWERSUM NEXT LOSS (db)

1 MHz 2.4 62.34 MHz 4.9 53.310 MHz 7.8 47.316 MHz 9.9 44.320 MHz 11.1 42.831.25 MHz 14.1 39.962.5 MHz 20.4 35.4100 MHz 26.4 32.3

− CAT 5e Jack Panel Specifications:

o The jack panel specifications should meet or exceed EIA/TIA Category 5e connecting hardware specifications for all pair combinations up to 100 MHz The category 5e panels should support universal T568A/B wiring and exceed category 5e requirements with component and channel performance to 100 MHz*.

o The Jack Panel should be predominantly silver in color and should be mountable directly to an EIA standard 19-inch relay rack or cabinet.

o The Jack Panel should have label holders and designation labels as part of the standard device.

o The modular outlets should be FCC CFR 47 part 68 subpart F and IEC 60603-7 compliant and should have gold plated contacts.

o The Jack Panel should support universal wiring for both T568A and T568B termination methods. o The Jack Panel should also have rear cable manager to properly guide cables to point of

Termination.



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o The Jack Panel should support cable management to separate paired conductors when lacing cables to simplify and reduce installation time.

o The Jack Panel should be available in 16and 24port configurations. o The Jack Panel should support terminations with strain relief caps to simplify and reduce

installation time protecting the quality of the termination simultaneously. o The Jack Panel should have individual jacks to allow for change-out in the event of damage to

any jack- without disturbing the other jacks in the panel. o The jacks should have lead-frame design to ensure full compliance and consistency with category

6 specifications.

− Connecting Blocks

o The connecting block shall facilitate cross-connection and/or inter-connection using jumper wire or patch cords.

o Voice Termination and Cross-connects o The network cabling system shall be comprised of modular connectors in support of high-speed

networks and applications designed for implementation on copper cabling. o The voice patch panel shall utilize fully interchangeable and individual connector modules that

mount side-by-side to facilitate quick and easy moves, adds, and changes. o The panel should be designed using a high-density patch panel saving the space in the Telco

room and offering better manageability.

5.9.3 Cat 6 Cable CAT 6 cable should provide significant headroom above all TIA/EIA and ISO/IEC category 6 transmission performance specifications. The cable should meet or exceed the proposed requirements of ANSI/EIA/TIA568-B2.1 Transmission Performance Specifications for 4-Pair 100 Q Category 6 Cabling

− Insulation Conductor Insulation: Thermoplastic PE

− Conductor 23-24 AWG solid bare copper

− Isolation Member To maintain pair geometry before during and after installation for optimal NEXT Loss performance

− Rip Cord Should be applied longitudinally under cable jacket

− Highlights o It should be swept tested from 1 to 350 MHz o Transmission performance should be verified o It should have round jacket o The jacket material should be lead free − Packaging o 1000 ft. reel in a box or 3000 ft. reel o Weight Thermoplastic PE Jacket- 29-lbs/1000 ft. − Standards Compliance o ISO/IEC 11801: 2002 (Category 6) o ANSI/TIA/EIA-568-B.2-1 (Category 6) − Ethernet Applications Support o 1000BASE-T o 100BASE-T



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o 10BASE-T should support any application designed for category 6 or lower cabling − Jacket o Nominal Cable O.D.: Thermoplastic PE Jacket - 0.222 in o Jacket Material: PVC − Electrical Characteristics

DC Resistance. < 9.38 Ohms/328 ft. DC Resistance Unbalance 5% Mutual Capacitance. 5.6nF/328 ft. Capacitance Unbalance. <330 pF/328 ft. Characteristic Impedance. 100-f -100:100 ± 15%

100-f-160:100 ± 20% 160-f -250:100 ± 22% 250-f-350:100 ± 25%

NVP CMP-70% CMR- 68% LCL 30-10Log(f/100)dB

− Transmission Performance - Guaranteed Worst Case Frequency Insertion NEXT PS ACR PS ELFEXT PS Return Propagation(Mhz) Loss Loss NEXT (db) ACR (db) ELFEXT Loss Delay (db/328 (db) Loss (db) (db) (db) (ns) ft) (db)

1.0 2.0 77.3 75.3 75.3 73.3 70.8 68.8 20.0 550.04.0 3.7 68.3 66.3 64.5 62.5 58.8 56.8 23.6 532.0

10.0 5.9 62.3 60.3 56.4 54.4 50.8 48.8 26.0 525.416.0 7.5 59.2 57.2 51.8 49.8 46.7 44.7 26.0 523.020.0 8.4 57.8 55.8 49.4 47.4 44.8 42.8 26.0 522.0

31.25 10.6 54.9 52.9 44.3 42.3 40.9 38.9 25.0 520.062.5 15.2 50.4 48.4 35.1 33.1 34.9 32.9 23.5 518.6

100.0 19.6 47.3 45.3 27.7 25.7 30.8 28.8 22.5 517.6125.0 22.2 45.8 43.8 23.7 21.7 28.9 26.9 22.0 517.2160.0 25.4 44.2 42.2 18.9 16.9 26.7 24.7 21.5 516.8175.0 26.7 43.7 41.7 17.0 15.0 25.9 23.9 21.3 516.7200.0 28.7 42.8 40.8 14.1 12.1 24.8 22.8 21.0 516.5250.0 32.6 41.3 39.3 8.8 6.8 22.8 20.8 20.5 516.3300.0 36.1 40.1 38.1 4.0 2.0 21.3 19.3 20.1 516.1350.0 39.4 39.1 37.1 -0.3 -2.3 19.9 17.9 19.8 515.9

− Physical Properties CMP CMR

Pulling Tension 25 Ibf (max) 25 Ibf (max) Bend Radius 1 in. (min) 1 in. (min) Installation Temperature -32 to 140 °F -4 to 140 "F Storage Temperature -4 to 167 "F -30 to 167 °F



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Operating Temperature -4 to 140 'F -30 to 140 °F

− Cat 6 Information Outlet (Work Area Component) Specifications:

o The CAT 6 information outlets should comply fully or exceed with category 6connecting Hardware specifications for all pair combinations up to 250 MHz - YES Complied

o The lead frame design used for information outlet should have advanced pair balancing design with linear crosstalk response. It should ensure full compliance with category 6 specifications. -Using Lead Frame Technology

o The information outlets should use strain relief mechanism to simplify and reduce installation time protecting the quality of the termination simultaneously.

o The termination cap shall provide strain relief on the cable jacket, ensure cable twists are maintained to within 112" (12.7. mm) and include a wiring scheme label.

o The information outlet should be backward compatible and should complying with the standard IEC 60603-7 for backward compatibility.

o All outlets should be compatible with both T568A and T568B wiring options. o The jack shall be able to be re-terminated a minimum of 10 times and be available in multiple

colors or more for color-coding purposes. o They shall be universal in design. Accepting 2, 3, or 4 pair modular plugs without damaging the

Outer jack contacts. o The jacks shall terminate 4 pair 24 and 22 AWG 100 ohm solid unshielded twisted pair cable.

Near End Cross Talk Performance Margin At 250 Mhz Worst Case : 0.84 db Typical : 4.37 db Return Loss Margin At 250 Mhz Worst Case : +6.9 db Typical : +8.3 db Fext Loss Margin At 250 Mhz Worst Case : +2.1 db Typical : +5.1 db Attenuation Margin At 250 Mhz Worst Case +0.12 db Typical : +0.14 db

5.9.4 Patch Cords − Cat 6 Modular Cords Specifications:

o The modular cord should be compatible with both T568A and T568B wiring schemes o The modular cord should have strain relief boots with a latch guard or a one-piece. Tangle-

freePatch design to protect plug latch from snagging when pulling cords through pathways or cable managers

o All the modular cords should be factory assembled cords made out of stranded cable and should be 100% tested to 250 MHz

o The modular cords should be made using excellent plug-to-cable strain relief without causing pair deformation.

o The modular cord should provide strain and bend relief mechanism to improve the plug-to-cable retention and maximum performance by preventing pair deformation, as caused by mechanical strain.

o The modular cord boots should be colored for additional color-coding. o The modular plugs should provide long-term resistance to corrosion from humidity, extreme

temperatures, and airborne contaminants.



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o The modular cord plug geometry should meet FCC 68.500 and IEC 60603-7 specifications for modular plugs.

o The cordage and boots should be available in a wide range of colors for easy identification. o The Category 6 Stranded cable used to manufacture the modular patch cords should meet the

specifications set forth by both ANSI/TIA/EIA-568-B.2-1 and ISO/IEC 11801:2002. o The modular patch cords should have compliance to both '568 and 11801 to ensure minimal

cable impedance variation and superior return loss performance.

MAXIMUM FREQUENCY (MHz)

ATTENUATION(db/100m)

POWER SUM ELFEXT LOSS (db)

POWER SUMFEXT LOSS (db)

1MHz 2.4 67.8 72.3 4 MHz 4.5 55.8 63.3 10 MHz 7.1 47.8 57.3 16 MHz 9.1 43.7 54.2 20 MHz 10.2 41.8 52.8 31.25 MHz 12.8 37.9 49.9 62.5 MHz 18.5 31.9 45.4 100 MHz 23.8 27.8 42.3 200 MHz 34.8 21.8 37.8 250 MHz 39.4 19.8 36.3

− Patch Panels All termination panels shall facilitate cross-connection and inter-connection using modular patch cords and shall conform to EIA standard, 19-inch relay rack mounting requirements.

− Cat 6 Jack Panel Specifications:

o The jack panel specifications should meet or exceed EIA/TIA category 6 connecting hardware specifications for all pair combinations up to 250 MHz

o The Jack Panel should be predominantly silver in color and should be mountable directly to an EIA standard 19-inch relay rack or cabinet.

o The Jack Panel should have Icon label holders and designation labels as part of the standard device.

o The modular outlets should be FCC CFR 47 part 68 subpart F and IEC 60603-7 compliant and should have 50 micro inch gold plated contacts.

o The Jack Panel should be backwards compatible - can be used with modular cords for category 5e compatibility.

o The Jack Panel should support universal wiring for both T568A and T568B termination methods. o The Jack Panel should support a strain relief mechanism to simplify and reduce installation time

protecting the quality of the termination simultaneously. The Jack Panel should have individual jacks to allow for change-out in the event of damage to any jack- without disturbing the other jacks in the panel.

o The jacks should have lead-frame design to ensure full compliance and consistency with category 6 specifications.

o The Jack Panel should be available in 16and 24 port configurations; ensuring superior cross-talk characteristics are maintained to assist in future support for 10G data applications



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5.9.5 Face Plates

− Face Plate Specification (Work Area Component) o The work area. Faceplates should offer a sleek, clean appearance for mounting Outlets. The

designation labels cover the mounting screws (should be included as part of the standard equipment) and provide ample circuit identification.

o The faceplates should offer write-on circuit designation labels (as part of the standard equipment) protected by clear plastic cover concealing the mounting screws.

o The faceplates should be available in white versions, o The faceplates should be UV resistant, should be made using high impact plastic to prevent color

fading and to provide added durability. o The faceplates should include quick pressure-release designation label covers for quick, tool-less

removal. o The information outlets should be easily snapped out from the back of faceplates making moves,

adds, and changes quick and easy. o Faceplate should be available in 1, 2,3,4,5 and six Gang

− Multi-pair Cable:

o Category 3 Multipair Cable consists of 24-AWG (0.5mm) solid copper conductors insulated with PVC. It is a general-purpose, high performance cable used for voice, in building’ signaling and Local Area Network applications specified up to 16 MHz. Typically this cable is used to present customers PBX and voice requirements to the telephone companies' incoming services, through a suitable voice patch.

o The Category 3 Multipair Cables shall meet and exceed attenuation and NEXT requirements in ISO/IEC 11801 (1995), CENELEC EN50173 (1995),and EIA/TIA 568A (l995) Commercial Building Wiring Standard riser cable section for Category 3. They are UL listed CMR for riser.

− Physical Specifications

Gauge 24 AWG Tensile Strength (Mpa) >13.8kg Insulation Thickness 0.21mm Operating Temperature Range -20 - 60 "C Jacket Thickness 0.8mm

− Electrical Specifications

Non. Velocity of Prop. (NVP) 0.65 Max. Conductor Resistance 20°C 9.38ohms/100m Resistance Unbalance % 55% Pair-to-Ground Capacitance Unbalance 5330pF/100m Frequency Return loss Attenuation NEXT (MHz) (dB) (dB/100m) (dB) 0.772 12 2.2 43 1 12 2.6 41 4 12 5.6 32 8 12 8.5 28 10 12 9.7 26 16 16 13.1 23



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5.10 Fire Detection & Alarm System 5.10.1 General

− The control panel, to be intelligent device addressable, analog detecting, low voltage and modular, with digital communication techniques, in full compliance with all applicable codes and standards. The features and capacities described in this specification are required as a minimum for this project and shall be furnished by the successful contractor.

− The system shall be in full compliance with National and Local Codes.

− The system shall include all required hardware, raceways, interconnecting wiring and software to accomplish the requirements of this specification and the contract drawings, whether or not specifically itemized herein.

− All equipment furnished shall be new and the latest state of the art products of a single manufacturer, engaged in the manufacturing and sale of analog fire detection devices for over ten years.

− The same vendor shall supply both fire detection as well as the protection system, if required.

5.10.2 Standards & Codes:

− The publications listed below form a part of this document to the extent referenced. The latest version of each listed publication shall be used as a guide unless the authority having jurisdiction has adopted an earlier version.

− National Fire Protection Association (NFPA)

NFPA 70 National Electrical Code. NFPA 72 National Fire Alarm Code. NFPA 101 Life Safety Code.

− Underwriters' Laboratories, Inc. (UL) Appropriate “UL” equipment standards.

“UL” 864 Control Panels. “UL” 268 Smoke Detectors. “UL” 1971, Standard for Visual Signaling Appliances.

5.10.3 System Requirements:

− The system shall be a complete, electrically supervised fire detection and notification system, microprocessor based operating system having the following; capabilities, features and capacities:

o Communication between network nodes, each supporting an interactive, self-standing, intelligent local control panel, with system wide displays. Any network node shall be capable of supporting a local system in excess of 4000 input/output points.

o The local system shall provide status indicators and control switches for all of the following functions:

o Audible and visual notification alarm circuit zone control.



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o Any additional status or control functions as indicated on the drawings, including but not limited to; emergency generator functions, fire pump functions, door unlocking and security with bypass capabilities.

− Each intelligent addressable device or conventional zone on the system shall be displayed at the Central Alarm Receiving Terminal and the local fire alarm control panel by a unique alphanumeric label identifying its location.

5.10.4 System Operation:

− Activation of any system fire, supervisory, trouble, or status initiating device shall cause the following actions and indications at all network displays with basic graphics and multiple detail screens.

− Fire Alarm Condition:

o Sound an audible alarm and display a custom screen/message defining the building in alarm and the specific alarm point initiating the alarm in a graphic display. The display shall provide standard NFPA graphical symbols indicating hazardous materials and personnel situations critical to situation management. The system shall supply a simple building floor plan and icons representing alarm devices in off normal or alarm condition.

o Log to the system history archives all activity pertaining to the alarm condition. o Print to system printer (where required) alarm condition information. o Audible signals shall be silenced from the fire alarm control panel by an alarm silence switch.

Visual signals shall be programmable to flash until system reset or alarm silencing, as required. o HVAC shut down shall, be accomplished by system operated duct detectors as per local

requirements, if required.

− Supervisory Condition:

o Display the origin of the supervisory condition report at the local fire alarm control panel graphic LCD display.

o Activate supervisory audible and dedicated visual signal. o Audible signals shall be silenced from the control panel by the supervisory acknowledge switch. o Record within system history the initiating device and time of occurrence of the event. o Print to the system printer (where required) the supervisory condition.

− Trouble Condition:

o Display at the local fire alarm control panel graphic LCD display, the origin of the trouble condition report.

o Activate trouble audible and visual signals at the control panel and as indicated on the drawings. o Audible signals shall be silenced from the fire alarm control panel by a trouble acknowledge

switch. o Trouble reports for primary system power failure to the master control shall be optionally delayed

for a period of time not greater than 200 seconds. Trouble conditions that have been restored to normal shall be automatically removed from the trouble display queue and nor require operator intervention. This feature shall be software selectable and shall not preclude the logging of trouble events to the historical file.

o Record within system history, the occurrence of the event, the time of occurrence and the device initiating the event.

o Print to the system printer (where required) the trouble condition.



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5.10.5 Product

− Control Panel:

o The fire alarm control panel shall be microprocessor based using the multiple microprocessors throughout the system providing rapid processing of smoke detector and other initiation device information to control system output functions. There shall be a watchdog circuit, which shall verify the system processors and the software program. Problems with either the processors or the system program shall activate a trouble signal, and reset the panel. The system modules shall communicate with an RS 485 network communications protocol. All module wiring shall be to terminal blocks, which will plug into the system card cage. The blocks shall be color coded to prevent accidental crossing of wiring.

o The basic system shall have capabilities for 252 intelligent initiation devices and can be expanded up to 2500 intelligent initiation devices. The system shall employ a flexible number of detection input loops to reach maximum system capacity. Systems which, have a fixed number of device addresses per node based on a fixed number of device circuits (loops) shall provide 50% of loop maximum spare capacity on all loops to meet this requirement.

o The Device Loop Card shall be capable of minimum 252 intelligent devices distributed between two SLC circuits. Any trouble on one circuit shall not affect the other circuit. This module shall control the signaling from the initiation devices reporting alarms and troubles to the control panel. This module shall also provide the signaling to the field devices for controlling the output of specific initiation devices. The circuit shall be capable of being connected with polarity insensitive intelligent initiation devices. The circuits shall have the ability to be wired, Style 4, Style 6. Any of all of the 252 devices on the loop card shall be capable of activating up to two devices (relay base, audible base or remote lamps). These accessories shall not take away from the 252 addresses available per loop. The on board microprocessor provides the loop card with the ability to function even if the main microprocessor fails. LED’s on the board shall provide annunciation for the following; Power, Card Failure, Network Failure, Ground. Fault, Alarm, Trouble, Short Zone 1, Short Zone 2, Style 6 Open Zone 1, Style 6 Open Zone 2. This card shall plug into the system card cage.

o The Signal Line Circuits shall be tested for opens, shorts, ground faults, device status and multiple device response (2 devices at same address) and communications with all addressable devices installed before connection to the control panel. Systems without this capability shall have a test panel installed for initial testing to eliminate any possible damage short term or long term to the control panel. After initial testing replace the test panel and proceed with complete testing.

o The Person Machine Interface (Graphic LCD Display) shall provide the system information on six inch ¼ VGA monochrome LCD, with Touch Screen and LED display. The DISPLAY shall provide floor plans with alarm type and “you are here” indication. The DISPLAY shall be navigable by device/module custom message in the system architecture with no need for device address knowledge. The DISPLAY shall provide a physical as well as a system geographic view. Graphic user interface shall be menu driven with 4 tabs showing the level and the total events for each tab. The tabs shall be; Alarm, Supervisory, Trouble and Security. Each level shall show 5 events simultaneously. The LED displays shall indicate Power, Audibles On or Silenced, and Partial system disabled. Systems not having the above LED’s shall provide separate LED’s within the control panel enclosure with appropriate labels. Selection buttons shall be backlit to aid



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the operator in the selection process. There shall be controls for scrolling throughout the event list. A button shall provide zoom in zoom out for the amount of information desired for a specific entry. The DISPLAY shall be capable of monitoring the power supply loading and show available capacity for future expansion planning. The DISPLAY LCD shall provide standard NFPA symbols showing Fire Service Equipment, Hazards, compliant with NFPA 170 and People in the area of alarm. Systems without this type of display shall supply a “UL” listed Graphics package with their system. The LCD shall have a keyboard screen to allow the technician ability to enter test and numbers for passwords or text changes.

o The Zone Indicating Card shall contain 8 NAC circuits rated at 2 amps each with power-limited outputs. The four zone inputs for the card shall be isolated and independently supervised. There shall be unique codes/signals for each circuit based on system logic. These signals shall be Temporal Code 3 (Evacuation), Steady (Such as “Recall”), and Alert ( such as “Tornado Alert”),MT 30 PPM, MT 60 PPM and MT 120PPMThe card shall be listed for notification appliances, horns, bells, strobes, and speakers. The card shall also be listed for NFPA 13 Pre-Action Release, Halon 1301 NFPA 12A, HFC227ea NFPA 2001. The card shall have the ability to wire the circuits Style Y or Style Z with outputs synchronized. The card shall have the following LED’s to provide trouble shooting and annunciation; Reset, Power, Card Failure, Network Failure, Ground. Fault, Zone Activation or Trouble. This card shall plug into the system card cage.

o The Zone Indicating Card shall contain 4 NAC circuits rated at 4 amps each with power-limited outputs. All zone inputs for the card shall be isolated and independently supervised. There shall be at least 3 unique codes/signals for each circuit based on system logic. These signals shall be Temporal Code 3 (Evacuation), Steady (Such as “Recall”), and Alert (such as “Tornado Alert”). The card shall be listed for notification appliances, horns, bells, strobes, and speakers. The card shall also be listed for NFPA 13 Pre-Action Release, Halon 1301 NFPA 12A, FM200 NFPA 2001, Lease Line, and Municipal Tie. The card shall have the ability to wire the circuits Style Y or Style Z with outputs synchronized. The card shall have the following LED’s to provide trouble shooting and annunciation; Reset, Power, Card Failure, Network Failure, Ground. Fault, Zone Activation or Trouble. This card shall plug into the system card cage.

o The Conventional Detector Card shall have 4 circuits of conventional initiation circuits. Each zone shall be capable of supporting 30 smoke detectors and an unlimited number of contact devices. This card shall also have the ability to power and monitor Linear Beam detectors and Flame detectors. The card shall have the ability to wire the circuits Style D or Style B. This card shall plug into the system card cage.

o Where needed a Conventional Zone Module shall connect to the Signal Line Circuit, which will allow the use of conventional initiation devices. This module shall have the ability to support up to 15 convention smoke detectors and an unlimited number of contact devices. The module shall have the ability to wire the circuits Style D or Style B. This module shall also be capable of monitoring Linear Beam detectors as well as Flame detectors.

o The Network Interface Card shall provide communication between enclosures. The network card supervises the network to insure proper operation. Any faults that are detected shall be reported to the DISPLAY for annunciation. The network card shall isolate short circuits to each individual segment of the network. If a short occurs only the segment between the network card will be affected. The card shall have the ability to provide Style 4 or 7 network wiring configurations. The card shall have as the minimum the following diagnostic LED; Reset, Power, Card Fail, CAN Fail, HNET Fail, ZNET Fail, GND Fault, Loop A Fail, Loop B fail, Networks - Style 7, Style 4, Gnd Fault Enabled, GND Fault Disabled.

o The Controllable Relay Card shall provide 6 programmable relays. Each relay shall have SPDT contacts rated at 4 amps at 30VDC/120VAC resistive and 3.5 amps, 120VAC inductive. The card shall have as a minimum the following diagnostic LED’s; Reset, Power, Card Fail, 24V Fail, Relay 1, Relay2, Relay3, Relay 4, Relay5, Relay6.



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o Where required to monitor a large amount of relays, such as monitoring subsystems or normally open contact devices, provide a Supervised Input Module, which will monitor up to 16 inputs. Each input shall be individually programmed for supervised or non-supervised circuits. This module shall be connected to a system network. The module shall contain 2 programmable form “C” relays for control of the monitored subsystem.

o Where required for control of relays or LED’s the Output control Module shall provide 16 open collector outputs to operate LED’s, incandescent lamps or relays as needed. The module shall contain a local audible output, Lamp Test and local audible silence. All circuits shall be power limited.

o The system card cage shall provide the mounting of all system cards, field wiring, and panel’s inter-card wiring. The terminal strips for the cards shall be color-coded to eliminate the possibility of making the wrong connection. The terminal blocks maybe disconnected and reconnected while the system is powered up without causing any difficulties. All power limited field wiring shall connect to the top of the card cage. All non-power limited internal wiring shall be connected to the bottom of the card cage. The card cage shall hold the systems cards and have capability of connecting multiple card cages to meet system demands.

o System response time from alarm to output shall not exceed four (4) seconds. o To expedite system troubleshooting, the system cards shall have ground fault detection, and

diagnostic LED’s by card. o All system cards and modules shall have Flash memory for downloading the latest module

firmware.

− Power Supply:

o The system Power Supply/Charger shall be a 12-amp supply with battery charger. The power supply shall be filtered and regulated. The power supply shall have a minimum of 1 power limited output rated at 4 amps, and a minimum of 1 output rated at 12 amps. The system power supply can be expanded up to 48 amps. The auxiliary power supply module shall share common batteries with the primary power supply. The system power supply shall have 4 relays, one for common alarm, one for common trouble and two programmable relays. The power supply shall be rated for 120/240 VAC 50/60 Hz.

o The battery charger shall be able to charge the system Lead Acid batteries up to 100 AH batteries. Battery charging shall be microprocessor controlled and programmed with a special software package to select charging rates and battery sizes. An optional Thermistor for monitoring battery temperature to control charging rate shall be available.

o The power supply shall have a plug for an AC adapter cable, which allows a technician to plug in a laptop computer for up or down loading program information or test equipment.

− System Enclosures:

o Provide the enclosure needed to hold all the cards and modules as specified with at least spare capacity for two cards. The enclosures shall be either black or red. The outer doors shall be capable of being a left hand open or a right hand open. The inner door shall have a left hand opening. System enclosure doors shall provide where required ventilation for the modules or cards in the enclosure.

− System Printer:

o The system printer shall be operated from a Remote Printer Module, which shall mount outside the enclosure. This module shall provide a parallel port and 2 serial ports for RS 232 protocol. One of the serial ports shall be able to be programmed for RS485 protocol. Supervised network connection shall be either Style 4 or 7 as directed by local requirements.



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o The logging printer shall be “UL” listed with the system. This parallel printer shall be supervised for: On/Off line, out of paper, paper jam, power off, and connection the system. The printer shall be an high speed, 24 dot matrix, wide carriage, and capable of using tractor or friction fed paper. The printer shall contain diagnostic LED’s for ease in maintenance.

− Remote Annunciators:

o The remote annunciator shall be either a system display or a graphic display as indicated on the drawings.

1. The System Status Display shall be a 4-line 40-character display with backlit screen for easy viewing. The module shall be connected to the network allowing it to be placed any where on the system. The system display shall have local sounder with silence control, local acknowledgement, local scrolling.

2. The graphic annunciator design and layout shall be submittal to the user for approved prior to construction. The graphics annunciator shall be a Brushed Stainless Steel cover with hinged door. The LED’s shall be driven from a module with a minimum of 16 outputs, and connected to a system network.

− Intelligent Initiation Devices:

o All initiation devices shall be insensitive to initiating loop polarity. Specifically, the devices shall be insensitive to plus/minus voltage connections on either Style 4 or Style 6 circuits. All addressable devices shall be soft (electronic) addressable.

o The multi criteria detector shall be an intelligent digital photoelectric detector with a

programmable heat detector with tri colour LED. Detectors shall be listed for use as open area protective coverage, in duct installation and duct sampling assembly installation and shall be insensitive to air velocity changes. The detector communications shall allow the detector to provide alarm input to the system and alarm output from the system within four (4) seconds. Detectors shall be programmable as application specific, selected in software for a minimum of eleven environmental fire profiles unique to the installed location. These fire profiles shall eliminate the possibility of false indications caused by dust, moisture, RFI/EMI, chemical fumes and air movement while factoring in conditions of ambient temperature rise, obscuration rate changes and hot/cold smoke phenomenon into the alarm decision to give the earliest possible real alarm condition report. The intelligent smoke detector shall be capable of providing three distinct outputs from the control panel. The system controlled output functions shall be from an individual or unique input of smoke obscuration, a thermal condition or a combination of obscuration and thermal conditions. The detector shall be designed to eliminate calibration errors associated with field cleaning of the chamber. The detector shall support the use of a relay and LED remote indicator at the same time. Low profile, white case shall not exceed 2.5 inches of extension below the finish ceiling. Detector wiring shall not require any special shielded cable.

o The multi criteria detector shall be an intelligent digital photoelectric detector with a programmable heat detector with tri colour LED. Detectors shall be listed for use as open area protective coverage, in duct installation and sampling assembly installation and shall be insensitive to air velocity changes. The detector communications shall allow the detector to provide alarm input to the system and alarm output from the system within four (4) seconds. The detector shall be mounted in a duct detector housing listed for that purpose. The duct detector shall support the use of a remote test switch, relay or LED remote indicator. The duct detector shall be supplied with the appropriate sampling tubes to fit the installation. Where duct detectors are exposed to the weather provide a weatherproof enclosure.



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o Detector bases shall be low profile twist lock type with screw clamp terminals and self-wiping contacts. Bases shall be installed on an industry standard, 4" square or octagonal electrical outlet box.

1. Where selective localized control of electrical devices is required for system operation, furnish and install detector base with software programmed addressable relay integral to the base. The relay shall switch electrical loads within relay ratings, as indicated on the drawings. Operation of the addressable control circuit shall be independent of the number of detectors and relays on the circuit or the number in an alarm state. Relay bases shall be rated for resistive or inductive load (120VAC or 30VDC) 3 amps.

2. Where indicated on the drawings, furnish detector base with integral approved audible evacuation alarm signal having an output of 85db. The audible signal shall be individually addressable and software programmed for operation.

o Provide single action addressable manual stations where shown on the drawings, to be flush or surface mounted as required. Manual stations shall contain the intelligence for reporting address, identity, alarm and trouble to the fire alarm control panel. The manual station communications shall allow the station to provide alarm input to the system and alarm output from the system within less than four (4) seconds. The manual station shall be equipped with terminal strip and pressure style screw terminals for the connection of field wiring. Surface mounted stations where indicated on the drawings shall be mounted using a manufacturer's prescribed matching red enamel outlet box.

o Provide double action addressable manual stations where shown on the drawings, to be flush or surface mounted as required. Manual stations shall contain the intelligence for reporting address, identity, alarm and trouble to the fire alarm control panel. The manual station communications shall allow the station to provide alarm input to the system and alarm output from the system within less than four (4) seconds. The manual station shall be equipped with terminal strip and pressure style screw terminals for the connection of field wiring. Surface mounted stations where indicated on the drawings shall be mounted using a manufacturer's prescribed matching red enamel outlet box.

o Addressable Interface Devices shall be provided to monitor contacts for such items as water-flow, tamper, and PIV switches connected to the fire alarm system. These interface devices shall be able to monitor a single or dual contacts. An address will be provided for each device and all physical devices shall require only one address on a signaling line circuit regardless of the number of circuits on an individual module. Where remote supervised relay is required the interface shall be equipped with a SPDT relay rated for 4 amps resistive and 3.5 amps inductive.

− Notification Appliances:

o The Horn or horn/strobe appliance as indicated on the drawings shall be a synchronized temporal horn with a synchronized strobe light with multiple candela taps to meet the intended application. The appliance shall be red or white as indicated on the drawings. The strobe light taps shall be adjustable for 15/75, 30/75, 75, and 110 candela. The appliance shall be red for wall mounted and white for ceiling mounted. Ceiling mounted appliances shall be rated for that application.

o The electronic chime or chime/strobe as indicated on the drawings shall be a speaker with a tone card and have and adjustable range of 700 to 1300 Hz. The chime or chime/strobe shall be adjustable for either single stroke or continuous operation. The chime/strobe shall be available with adjustable strobe intensities of 15, 30, 75, and 110 candela. The appliance shall be red for wall mounted and white for ceiling mounted. Ceiling mounted appliances shall be rated for that application.

o The strobe only appliance as indicated on the drawings shall be a synchronized strobe light with multiple candela taps to meet the intended application. The strobe light taps shall be adjustable



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for 15, 30, 75, and 110 candela. The appliance shall be red for wall mounting and white for ceiling mounted. Ceiling mounted appliances shall be rated for that application.

o Where required provide a 10” bell where indicated on drawings to be connected to a non-silenceable circuit for activation of the sprinkler system.

o An alarm extender panel shall be provided where needed. The power supply shall be a minimum of 6 amps. The power supply shall contain four supervised notification circuits maximum of 3 amps each circuit. The power supply shall contain built-in synchronizing modules for strobes and audible. There shall be a 3 amp filtered auxiliary power limited output. There shall be a minimum of 8 options as to the operations of the inputs and outputs.

− Command Center - Graphic Software:

o The Command Center shall be supplied along with Graphic software; VDU, printer and UPS shall be installed at a remote Central monitoring station.

o The Command Center shall support both Networked and Standalone systems. It shall provide a central monitoring of the Fire alarm panels on the network.

o The program shall be Windows compatible and the interaction shall be carried out thorough Mouse, Keyboard etc.

o The Command Center shall instantly annunciate the alarm and display the system events along with their graphical location.

o A multilevel password shall be provided to avoid unauthorized access of the system. o Following configuration of the Command center shall be matched to the minimum.

• CPU : Pentium IV – 3 Ghz or Core 2 Duo processor • Operating System : Windows Xp / Vista • RAM : 512 MB or higher • HDD : 120 GB or higher • Floppy Drive : 1.44 MB (optional) • Monitor : 19” LCD • Serial Ports : Com1, Com2 • Parallel Ports : LPT1, LPT2 • Printer : UL listed Printer • CD & DVD-RW : 8X DVD-R write or higher

5.10.6 Execution

− Installation:

o Perform work in accordance with the requirements of NFPA 70 and NFPA 72. o Fasten equipment to structural members of building or metal supports attached to structure, or to

concrete surfaces. o All cable runs shall be run at right angles to building walls, supported from structure at intervals

not exceeding 3 feet and where installed in environmental air plenums, be rated for such use and tied/supported by components listed for environmental air plenums installation.

− Boxes, Enclosures and Wiring Devices:

o Boxes shall be installed plumb and firmly in position. o Extension rings with blank covers shall be installed on junction boxes where required. o Junction boxes served by concealed conduit shall be flush mounted. o Upon initial installation, all wiring outlets, junction, pull and outlet boxes shall have dust covers

installed. Dust covers shall not be removed until wiring installation when permanent dust covers or devices are installed.



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o "Fire Alarm System" decal or silk-screened label shall be applied to all junction box covers.

− Conductors:

o Each conductor shall be identified as shown on the drawings at each with wire markers at terminal points. Attach permanent wire markers within 2 inches of the wire termination. Marker legends shall be visible.

o Wiring for strobe and audible circuits shall be a minimum 14 AWG, signal line circuits shall be minimum 18 AWG.

o Crimp-on type spade lugs shall be used for terminations of stranded conductors to binder screw or stud type terminals. Spade lugs shall have upset legs and insulation sleeves sized for the conductors.

o Permanently label or mark each conductor at both ends with permanent alphanumeric wire markers.

o A consistent color code for fire alarm system conductors throughout the installation. o The installation contractor shall submit for approval prior to installation of wire, a proposed color

code for system conductors to allow rapid identification of circuit types. o Wiring within sub panels shall be arranged and routed to allow accessibility to equipment for

adjustment and maintenance.

− Devices:

o Relays and other devices to be mounted in auxiliary panels are to be securely fastened to avoid false indications and failures due to shock or vibration.

o Wiring within sub-panels shall be arranged and routed to allow accessibility to equipment for adjustment and maintenance.

o All devices and appliances shall be mounted to or in an approved electrical box. 5.10.7 Field Quality Control:

− Testing, general

o All Alarm Initiating Devices shall be observed and logged for correct zone and sensitivity. These devices and their bases shall be tagged with adhesive tags located in an area not visible when installed, showing the initials of the installing technician and date.

o Wiring runs shall be tested for continuity, short circuits and grounds before system is energized. Resistance, current and voltage readings shall be made as work progresses.

o A systematic record shall be maintained of all readings using schedules or charts of tests and measurements. Areas shall be provided on the logging form for readings, dates and witnesses.

o The acceptance inspector shall be notified before the start of the required tests. All items found at variance with the drawings or this specification during testing or inspection by the acceptance inspector shall be corrected.

o Test reports shall be delivered to the acceptance inspector as completed. o The installing contractor shall make instruments, tools and labor required to conduct the system

tests available. o The following equipment shall be a minimum for conducting the tests: a) Ladders and scaffolds as required to access all installed equipment. b) Multimeter for reading voltage, current and resistance. c) Two way radios, and flashlights. d) Decibel meter.

In addition to the testing specified to be performed by the installing contractor, the installation shall be subject to test by the Engineer of Record.



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5.10.8 Acceptance Testing:

o A written acceptance test procedure (ATP) for testing the fire alarm system components and installation will be prepared by the engineer in accordance with NFPA 72 and this specification. The contractor shall be responsible for the performance of the ATP, demonstrating the function of the system and verifying the correct operation of all system components, circuits, and programming.

o A program matrix shall be prepared by the installing contractor referencing each alarm input to every output function affected as a result of an alarm condition on that input.

o The installing contractor prior to the ATP shall prepare a complete listing of all device labels for alphanumeric annunciator displays.

o The acceptance inspector shall use the system record drawings in combination with the documents specified under paragraph 3.01 during the testing procedure to verify operation as programmed. In conducting the ATP, the acceptance inspector shall request demonstration of any or all input and output functions.

o The items tested shall include but not be limited to the following: System wiring shall be tested to show the following results and the system subsequence peration: Open, Shorted or Grounded Circuits. Primary and Battery power disconnected.

System notification circuits and appliances operate as programmed. Audibility and Visual levels meet required standards.

System shall demonstrate the correct messages at the FACP and Remote Annunciator. System off site reporting shall be verified for alarm, supervisory and trouble. System shall be tested for stand-by battery back up as outline in this specification.

5.10.9 Documentation:

− System documentation shall be supplied to the owner and shall include but not be limited to the following:

o System record drawings and wiring details including one set of reproducible drawings, and a CD ROM with copies of the record drawings in DXF format for use in a CAD drafting program.

o System Operating, Installation and Maintenance Manuals. o System matrix showing input signals to output commands. o Provide a copy of the system program on a CD.

5.10.10 Warranty and Services:

o The contractor shall warranty the entire system for electrical and mechanical failures for a period one year. The warranty shall begin with the completion of the acceptance testing or when beneficial use to the owner is determined.

o The fire alarm system subcontractor or manufacturer shall offer for the owner’s consideration at the time of system submittal a priced inspection, maintenance, testing and repair contract in full compliance with the requirements of NFPA 72.

o The contractor performing the contract services shall be qualified, factory trained and certified in the service and the maintenance of the system provided and listed to maintain ongoing certification of the completed system to the “UL” installed system listing.

o The installation contractor shall furnish training as follows: 1. Training in the receipt, handling and acknowledgment of alarms. 2. Training in the system operation including manual control of output functions from the system

control panel. o The total training requirement shall be a minimum of 2 hours, but shall be sufficient to cover all

items specified. The contractor shall provide two such training sessions.



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5.11 Close Circuit Television System (CCTV) 5.11.1 General

− All systems and components shall have been thoroughly tested and proven in actual use.

− All systems and components shall be provided with a one-day turnaround repair express and 24-hour parts replacement.

− Specifications included in this section are indicative and considered as a minimum; component and software that shall be acquired at the time of implementing the project shall be the latest versions available in the market.

− The system also should provide clear & accurate indication of an intruder or abnormal movement within and around the Facility.

5.11.2 Specifications for CCTV System.

− All the equipment of CCTV namely P/T/Z Dome Cameras (outdoor), Controller of the Cameras, Digital multiplexer cum recorder, Data amplifier, Video Amplifier & Monitors shall be of one make only. Without compliance to the above clause, the tender would be cancelled

− Following authorizations shall be made available from the CCTV

o Technical compliance to the specifications, this should be vetted by Manufacturer. o Authorization for participating in the tender on manufacturer's behalf. o Authorization for providing test reports complying the specifications at the time of inspection. o Authorization that the items quoted by the tenderer are in production and would be serviceable for

at-least 3 years from the date of tender. No obsolete products should be quoted. o Compliance to the standards for the products listed. o Letter from Manufacturer for supporting the system for at least 2 years, for this an MOU between

the Manufacturer and Tendered should clearly state support for products and systems for next 2 years.

− Manufacturer must have base in India.

− Manufacturer products shall have quality system is in compliance with the I.S./ISO 9001/EN 29001, QUALITY SYSTEM.

− The manufacturer shall be ISO 14001 Certified and adhere to an Environmental Management System that strives to reduce the impact its products and processes have on the environment.

5.11.3 The CCTV system shall comply to the following operational requirement.

− The Critical Data Centre along with the Non Critical area needs to be under constant video surveillance. The primary objective of implementing a CCTV system is to ensure effective surveillance of the area and also create a record for post event analysis. Monitoring cameras should be installed in proper areas to cover all the critical areas of the data centre. The scope of work involves supply, installation, commissioning, testing and maintenance of the Closed Circuit



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Television system for State Data Centre. The CCTV system shall provide an on-line display of video images on monitor. The entire setup shall be monitored from the control room on 24/7 basis. Cameras with suitable lenses shall be used to view all the critical areas of the Data Centre, Reception and Corridor.

− The CCTV system shall be based on the use of fixed cameras integrated dome cameras (fixed) and integrated pan/tilt/zoom cameras that can be controlled from control room location.

− The CCTV System shall be a combination of color fixed and PTZ designed for continuous duty. The system and each of its devices shall be designed to meet the site ambient temperature and the site environmental conditions and shall operate satisfactorily under the specified permitted voltage and frequency variation band of the power supply source system. All outdoor cameras shall be IP 66 rated.

− Operator shall be able to control all the cameras, pan, / tilt and zoom functions manually. The video recorder shall record the activities of all the places where alarm have been alerted.

5.11.4 Fixed Varifocal Mini Dome Camera

The camera should have following specifications: Specifications Video Format PAL Horizontal Resolution (TVL) Minimum 530 TVL Type of CCD Interline CCD Minimum Illumination 1.0 lx (Day mode); 0.1 lx (Night Mode); 0.001 lx (512 fields, Night

ON) Electronic Shutter 1/50 - 1/100,000 sec S/N Ratio 50 dB or more AGC Yes White Balance Auto Day & Night Shall be provided Backlight Compensation BLC/WDR (selectable) Synchronization Internal Digital Noise Reduction Shall be provided Digital Zoom Shall be provided Motion Detection Shall be provided Private Zone Masking Shall be provided Optical Lens Specifications 2.8~10mm Vari-focal Lens Power Input, Current Rating DC 12V (±2V),Max. 1.0W Certifications CE/FCC Operating Temperature -10°C ~ 50°C

− Additional Features



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o Enhanced back light compensation which shall also able to mask strong light focusing directly onto the cameras. Masking color can be selectable from White / Gray / Black

o Wide dynamic range o 3-Axis rotation o 360°C+10°C rotation o Multi-language OSD o

5.11.5 Box Camera with IP66 Housing

The camera should have following specifications: Specifications Video Format PAL Horizontal Resolution (TVL) Minimum 550 TVL Type of CCD SuperHAD CCD Scanning Process Interlaced Minimum Illumination 0.02 lx (AGC ON, 30 IRE, TDN ON) Electronic Shutter 1/60 ~ 1/100,000 sec. S/N Ratio 50dB (AGC OFF) or Higher AGC ON / OFF White Balance Auto Day & Night Shall be provided Back Light Compensation Shall be provided Synchronization Internal / Line-Lock Power Input, Current Rating AC 24V ±10% /DC 12V,Approx. 3 W Certifications FCC, CE Operating Temperature -10°C ~ 50°C

− Additional Features

o Day and Night o Ultra High resolution 550 TVL or more o Anti Color Rolling o Enhanced back light compensation which shall also able to mask strong light focusing directly

onto the cameras.

− Lens Specifications

o Focal Length (mm) : 2.7~13.5mm varifocal lens, o Mount : CS o Iris Range : F1.3, Long Read IR corrected for D/N Camera o When power should be turned off, iris will automatically be closed.

− Housing Specifications

o The Camera Housing should incorporate a side-hinged lid to provide easy access to the camera and lens for trouble-free installation and servicing.



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o It should be constructed from light gray epoxy powder coated die-cast, extruded, and sheet aluminum to provide an excellent barrier against outdoor environments.

o It should be totally protected from dust and strong jets of water, and must have an International Standards IP Protection Classification of sixty- six (IP66).

o It should provide three (3) weatherproof cable entry glands, sunshield, heater, and blower and a

wall mount. o It should produce 20 watts of heat, and must be thermostatically controlled, turning ON at 41°F

(5°C) and OFF at 59°F (15°C). The blower should turn ON at 95°F (35°C) and OFF at 68°F (20°C). It should be designed to meet the following environmental conditions: Operating Temperature -4° to 140°F (-20° to 60°C)

o Electrical Power Requirements: 1. Input Voltage: 24VAC 2. Power: i. Heater 20 watts ii. Blower 3.4 watts

5.11.6 PTZ Camera with Outdoor Housing

The camera should have following specifications: Specifications Horizontal Resolution (TVL) 460 Type of CCD SuperHAD CCD Scanning Process Interlaced Minimum Illumination 1.0 lx (30IRE) : Night shot OFF

0.1 lx (30IRE) : Night shot ON 0.01 lx : x128 Field integration(DSS) ON 0.005 lx (30IRE) : Night shot & DSS ON

Electronic Shutter 1/50 to 1/10000 S/N Ratio >50 dB AGC Auto with Manual Override White Balance Manual / Auto / Indoor / Outdoor / One push / ATW Day & Night True Day & Night BLC BLC Synchronization Internal / External Optical Zoom Ratio 25X Optical Lens Specifications 3.8 to 95 mm Digital Zoom Ratio 10X Pan Range 360 Deg Continous Panning Tilt Range 0 deg ~180 deg Max Preset Speed 380°/sec. No of Presets Supported 248 Number of Patterns Supported 4 Number of Privacy Masking Zone Supported 8



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Number of Guard Tours Supported 8 Number of Auto Pan supported 16 scan + 1 auto pan Relay Inputs 8 Relay Outputs 2 Enclosure details Indoor Flush Mount / Indoor Pendant / Outdoor Pendant with

sunshield & blower Enclosure Protection Rating NA Power Input, Current Rating 18 to 30VAC, 24VAC nominal, Certifications CE, FCC Communication RS422, RS485, Operating Temperature 0°C to50°C Additional Features • Built-in x25 optical power zoom lens (Total : x250 zoom with

digital x10 zoom) • Built-in Super HAD CCD • True night shot function with IR cut filter removal mechanism• 248 Presets : programmed with view direction, focus, iris and BLC • 4 Patterns : record and play back user preference of surveillance path up to 240 sec. • 16 Scans : 8 speed steps(1 to 8) for Scan with two speed steps for DiagonalScan(Slow/Medium) • 8 Tours : each tour consists up to 64 Presets, Patterns, Scans and other Tours • 8 Alarm inputs with 0~8 priority / 2 Auxiliary outputs programmable NC/NO • 8 Privacy Zones : video off or up to masked block with selectable 8 colors • 64 steps of variable speed for panning from 0.1º/sec. to 90º/sec. • Maximum manual speed 360º/sec. with Turbo key pressed,Preset speed : 380º/sec. • Minimum adjustable angle is 0.0375º with SingleStep move function • programmable user preferences of speed (Slow / Medium / Fast) • Addressable up to 999 camera IDs (Extend up to 3999 setting at factory menu) • Built-in RS-485/RS-422 receiver driver • On-site software upgrade and upload/download of programmed data into the Keyboard/Dome • Built-in power-line surge protection and lightning protection • Capable of fail-safe hot swap • Supporting multiple protocol • Smooth 180 º tilting with digital flip function

Outdoor Housing With Sunshield, Heater & Blower unit:

A. IP Grade: IP66 rated



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B. Material: Aluminum & Acrylic C. Operating Temperature: -50°C to 50°C D. Input Voltage: AC24V / 3.5A

Power Consumption: 55 Watt

5.11.7 Digital Video Recorder

The DVR shall have following features • 16ch Stand-alone DVR with MPEG4 and JPEG dual codec • Recording 480@4CIF, 480@2CIF, 960@2CIF • Full frame recording • Support JPEG for multi channel network monitoring • 2 internal HDDs with SATA type • Support external storage A with Max. 8TB • 1ch audio input for recording and 1ch output for two-way audio • Built-in multiplexer for 16ch live monitoring and playback (1/4/9/16ch mode) • Support external DVD Writer via e-SATA and USB port for data backup • PTZ control (support preset) via RS485 • Support static and dynamic IP for xDSL, Cable-modem user • Support IR remote controller and external keyboard/joystick via RS485 / 232 • Provide remote monitoring software • Support NTP (Network Time Protocol) for time synchronization • Date/Time, Log, Text, Smart search available from Control Center Software • Support IPFR (Intelligent Power Failure Recovery) • Support scheduled remote backup using remote access software Specifications Type of DVR Embedded Number of Channels 16

DVR Mode Pentaplex (record, view/playback, network (view remotely), administrate and backup)

Compression Method MPEG-4 Display Frame Rate Real Time Maximum Resolution Supported Upto 4CIF

Recording Mode Scheduled / Sensor Based / Motion Detection Based

Video Motion Diction & Recording Configuration Independent Channel configuration

Video Loop Outs Yes



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Main Video Out (2) Composite (BNC-Out)

Spot Monitor Yes (Composite)

Audio Input 1

Audio Output 1

Alarm Input 16 Alarm Output 4 Max Internal HDD supported (TB) 2 Internal HDD Interface SATA Maximum External HDD Supported (TB) 6 External HDD Interface eSATA

RAID Support External (depending on the external bay)

Clip-Copy Backup Yes

Pre-Installed CD / DVD Disk Drive Internal CD / DVD not supported

Clip-Copy Backup Storage Media CD-RW / DVD-RW / USB

Clip-Copy Backup Interface External

Scheduled Backup Yes through Network/external interface

PTZ Connectivity Yes

Keyboard Interface Yes

Remote Access Software Yes

Web Browsing Yes

Certifications CE, FCC Power Input 230VAC



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5.12 PUBLIC ADDRESS SYSTEM EQUIPMENT: 5.12.1 General:

− The scope of this section covers supply and installation of speakers for Public Address System for general announcement and paging, in co-ordination with the fire alarm system.

5.12.2 System Features:

− The main equipment should have been designed to provide the following facilities: − To make the paging announcement from the central control desk either group wise or on ‘all call’

basis. The system working shall be as follows:

− On loud speakers, for making the paging announcement, the operator shall start particular group selector and after pressing the speech switch, he can make the paging announcement. Normally the music originating from the cassette desk or record player shall be relayed over.

5.12.3 Speakers:

Following types of speakers shall be provided in different areas as follows and as shown on the drawings.

− Metallic ceiling recessed type ring with speaker and line matching transformer. − Wall mounted fabricated metallic with in-built line matching transformer.

5.12.4 Cable Specifications:

− 2 Core twisted PVC insulated cable core size 23/0.2 mm ATC conductor with cores of different color.

5.13 Safety & Miscellaneous Equipment

5.13.1 General

− Safety and safety equipments shall be provided to avoid accidents at work place.

5.13.2 Specification

− Danger Plates

Danger plate shall be provided on HT and LT equipment. LT danger notice plate shall be 200 mm x 150 mm made of mild steel at least 2 mm thick with vitreous enameled white on both side and with inscription in red colour on front side.

− Fire Extinguishers



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Portable CO2 and dry chemical type shall be provided or in accordance with statutory requirement.

− Insulation Mats

Mats shall be vulcanized rubber compound free fabric insertions and fibrous material. The upper surface shall have ribbles or any other pattern. The thickness shall not be less than 6.5 mm at the root pattern. The material shall be free from blisters, pin holes; cracks embedded foreign matters and other defects.

− First Aid Boxes

First Aid Boxes shall be provided as per statutory requirement 5.14 Earthing

5.14.1 General

All the non-current carrying metal parts of electrical installation shall be earthed properly. All metal conduits, trunking, cable sheaths, switchgear, distribution fuse boards, light fittings and all other parts made of metal shall be bonded together and connected by means of specified earthing conductors to an efficient earthing system. All earthing shall be in conformity with Indian Electricity Rules.

The Earthing System shall in totally comprise the following:- o Earth Electrodes o Earthing Leads o Earth Conductors

All three phase equipment shall have two separate and distinct body earths and single phase equipment shall have a single body earth.


− All equipments, components, materials and entire work shall be carried out in conformity with applicable and relevant Bureau of Indian Standards and Codes of Practice, as amended upto date and as below. In addition, relevant clauses of the Indian Electricity Act 1910 and Indian Electricity Rules 1956 as amended upto date shall also apply. Wherever appropriate Indian Standards are not available, relevant British and /or IEC Standards shall be applicable.

− Equipments certified by Bureau of Indian Standards shall be used in this contract in line with government regulations. Test certificates in support of this certification shall be submitted, as required.

− It is to be noted that updated and current standards shall be applicable irrespective of dates mentioned along with ISS's in the tender documents.

5.14.3 Earthing Material

Materials of which the protective system is composed shall be resistant to corrosion or be adequately protected against corrosion. The material shall be as specified in the schedule of quantities and shall comply to the following requirements:

− Copper - When solid or stranded copper wire is used it shall be of the grade ordinarily required for commercial electrical work generally designated as being of 98% conductivity when annealed, conforming to Indian standard specifications.

− Galvanized Steel - Galvanized steel used shall be thoroughly protected against corrosion by hot dipped Zinc coating. The material coating shall withstand the test specified in IS 2309:1969.



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− The strips to be used shall be in maximum lengths available as manufactured normally avoiding unnecessary joints.

5.14.4 Earth Electrodes

− Plate Earth Electrode

The plate electrodes shall be of copper/ GI as called for in the schedule of quantities. The minimum dimensions of the electrodes shall be 600 mm x 600 mm. Thickness of copper electrodes shall not be less than 3 mm and of GI electrodes not less than 6 mm. The electrode shall be buried in ground with its face vertical and top not less than 3 meters below ground level.

− Earth Electrode Pit

Method of Installing Watering Arrangement In the case of plate earth electrode, a watering pipe of 50 mm dia of medium class G.I. Pipe shall be provided and attached to the electrode. A funnel with mesh shall be provided at the top of this pipe for watering the earth. The watering funnel attachment shall be housed in masonry enclosure of not less than 1000 x 500 x 600 mm. A cast iron/M.S. frame with cover having locking arrangement shall be suitably embedded in the masonry enclosure.

− Location of Earth Electrode

o The following guidelines shall be followed for locating the earth electrodes o An earth electrode shall not be situated less than 5 meters from any building. o The excavations for electrode shall not affect the column footings or foundations of the buildings.

In such cases electrode may be further away from the building. o The location of the earth electrode shall be such where the soil has reasonable chance of

remaining moist, as far as possible. o Entrances, pavements and road ways shall not be used for locating the earth electrode.

− Number of Earth Electrodes

In all cases the relevant provision of rule 33, 61 & 67 of the Indian Electricity Rules 1956 as amended shall be complied with. Metallic covers or supports of all medium or H.T. apparatus or conductors shall, in all cases be connected to not less than two separate and distinct earth electrodes.

5.14.5 Bore Earthing

In case of rocky state, Bore earthing stations with 150mm dia bore and 100 mm dia class B GI Pipe shall be done. Depth of bore earthing shall be 6.5 mtr minimum. Soil resistivity test shall be done for deciding depth if necessary.

− Earthing Leads

The strip earthing leads shall be connected to the Earth Electrode at one end and to the metallic body of the main equipment at the other end. The earthing lead shall connect to the earthing network in the installation.

− Earthing Lead Sizes

Strip earthing leads shall be of copper/GI and as per specifications.

− Earthing Lead Installation



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The length of buried strip earthing lead shall be not less than 15 metres and shall be buried in trench not less than 0.5 m deep. If conditions necessitates use of more than one earthing lead they shall be laid as widely distributed as possible preferably in a single straight trench or in a number of trenches radiating from one point.

− Method of Connecting Earthing Lead To Earth Electrode

In the case of plate earth electrode the earthing lead shall be securely bolted to the plate with two bolts, nuts, checknuts and washers as required by IS 3043 : 1987.

All materials used for connecting the earth lead with electrode shall be GI in case of GI Pipe and GI plate earth electrodes or tinned brass in case of Copper plate electrode.

− Protection of Earthing Lead

The earthing lead from electrode onwards shall be suitably protected from mechanical injury and corrosion by a 15 mm dia GI pipe in case of wire and 100/40 mm dia medium class GI Pipe

The portion of the G.I. pipe within ground shall be buried at least 30 cm deep (to be increased to 60 cm in case of road crossing or pavements). The portion within the building shall be recessed in walls and floors to adequate depth.

5.14.6 Earthing Conductors

Earthing conductors shall form the earthing network throughout the installation for earthing of all non- carrying metal parts.

− Connection Of Earthing Conductors

Main earthing conductors shall be taken from the earth connections at the main switch boards to all other switchboards in the network. Sub-mains earthing conductors shall run from the main switch board to the sub distribution boards and to the final distribution boards. Loop earthing conductors shall run from the distribution boards and shall be connected to any point on the main/sub-main earthing conductor, or its distribution board or to an earth leakage circuit breaker. Metal conduits, cable sheathing and armouring shall be earthed at the ends adjacent to switch boards at which they originate, or otherwise at the commencement of the run by an earthing conductor in effective electrical contact with cable sheathing, Switches, accessories, lighting fitting etc shall be effectively connected to the Loop Earthing Conductors. These though rigidly secured in effective electrical contact with a run of metallic conduit shall not be considered earthed, even though the run of metallic conduit is earthed.

− Earthing Conductor Installation

The earthing conductors inside the building wherever exposed shall be properly protected from mechanical injury by running the same in GI pipe of adequate size. Joints shall be revetted and brazed in approved manner.

Sweated lugs of adequate capacity and size shall be used for termination. Lugs shall be bolted to the equipment body to be earthed after the metal body is cleaned of paint and other oily substances and properly tinned.

− Sizing of Earthing Conductors



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All fixtures, outlet boxes and junction boxes shall be earthed with Bare copper wires as specified.

All 3 phase switches and distribution boards upto 60 amps rating shall be earthed with 2 Nos. distinct and independent 4 mm dia copper/6 mm dia GI wires. All 3 phase switches and distribution boards upto 100 amps rating shall be earthed with 2 Nos. distinct and independent 6 mm dia copper/8 mm dia GI wires. All switches, bus bar, ducts and distribution boards of rating 200 amps and above shall be earthed with a minimum of 2 Nos. separate and independent 25 mm x 3 mm copper/25mm x 6 mm GI tape.

− Prohibited Connections

Neutral conductor, sprinkler pipes, or pipes conveying gas, water, or inflammable liquid, structural steel work, metallic enclosures, metallic conduits and lighting protection system conductors shall not be used as a means of earthing an installation or even as a link in an earthing system.

5.14.7 Resistance to Earth

No earth electrode shall have a greater ohmic resistance than 3 ohms as measured by an approved earth testing apparatus. In rocky soil the resistance may be upto 5 ohms. The electrical resistance measured between earth connection at the main switchboard and any other point on the completed installation shall be low enough to permit the passage of current necessary to operate fuses or circuit breakers, and shall not exceed 1 ohm.

5.14.8 Routine and Completion Tests

− Installation Completion Tests

At the completion of the work, the entire installation shall be subject to the following tests:

o Wiring continuity test o insulation resistance test o Earth continuity test o Earth resistivity test o Besides the above, any other test specified by the local authority shall also be carried out. All

tested and calibrated instruments for testing, labour, materials and incidentals necessary to conduct the above tests shall be provided by the contractor at his own cost.

− Wiring Continuity Test

All wiring systems shall be tested for continuity of circuits, short circuits, and earthing after wiring is completed and before installation is energised.

− Insulation Resistance Test

The insulation resistance shall be measured between earth and the whole system conductors, or any section thereof with all fuses in place and all switches closed and except in concentric wiring all lamps in position of both poles of the installation otherwise electrically connected together, a direct current pressure of not less than twice the working pressure provided that it does not exceed 1100 volts for medium voltage circuits. Where the supply is derived from AC three phase system, the neutral pole of which is connected to earth, either direct or through added resistance, pressure shall be deemed to be that which is maintained between the phase conductor and the neutral. The insulation resistance measured as above shall not be less than 50 megohms divided by the number of points provided on the circuit the whole installation shall not have an insulation resistance lower than one megohm.



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The insulation resistance shall also be measured between all conductors connected to one phase conductor of the supply and shall be carried out after removing all metallic connections between he two poles of the installation and in those circumstances the insulation shall not be less than that specified above.

The insulation resistance between the frame work of housing of power appliances and all live parts of each appliance shall not be less than that specified in the relevant Standard specification or where there is no such specification, shall not be less than half a megohm or when PVC insulated cables are used for wiring 11.5 megohms divided by the number of outlets. Where a whole installation is being tested a lower value than that given by the above formula subject to a minimum of 1 Megohms is acceptable.

− Testing Of Earth Continuity Path

The earth continuity conductor including metal conduits and metallic envelopes of cable in all cases shall be tested for electric continuity and the electrical resistance of the same alongwith the earthing lead but excluding any added resistance of earth leakage circuit breaker measured from the connection with the earth electrode to any point in the earth continuity conductor in the completed installation shall not exceed one ohm.

− Testing of Polarity of Non-Linked Single Pole Switches

In a two wire installation a test shall be made to verify that all non-linked single pole switches have been connected to the same conductor throughout, and such conductor shall be labeled or marked for connection to an outer or phase conductor or to the non-earthed conductor of the supply. In the three of four wire installation, a test shall be made to verify that every non-linked single pole switch is fitted to one of the outer or phase conductor of the supply. The entire electrical installation shall be subject to the final acceptance of the Architect as well as the local authorities.

− Earth Resistivity Test

Earth resistivity test shall be carried out in accordance with IS Code of Practice for earthing IS 3043.

− Performance

Should the above tests not comply with the limits and requirements as above the contractor shall rectify the faults until the required results are obtained. The contractor shall be responsible for providing the necessary instruments and subsidiary earths for carrying out the tests. The above tests are to be carried out by the contractor without any extra charge.

− Tests and Test Reports

The Contractor shall furnish test reports and preliminary drawings for the equipment to the Architect/owners for approval before commencing supply of the equipment. The Contractor should intimate with the tender the equipment intended to be supplied with its technical particulars. Any test certificates etc., required by the local Inspectors or any other Authorities would be supplied by the Contractor without any extra charge.



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5.15 Lightning Protection System

5.15.1 General

Lightning protection system shall generally comprise Early streamer lightning finials (air terminals), down conductors, test links and earth electrodes. The number, type, materials and sizes shall be in accordance with the drawings or specified in the Contract Documents. Air terminals shall be mounted on top of buildings or structures as shown in the drawings. Down conductors from air terminals shall be routed as directly as possible to the test links on earth buses, with minimum bends. All provisions regarding connections of conductors for equipment earthing system shall also apply to lightning protection system. In corrosive atmospheres, lightning finials or air terminals shall be covered by plumbing metal for corrosion protection.

5.15.2 Material and Dimensions

The materials of lightning conductor, down conductors, earth termination etc. shall be copper and shall be protected against corrosion.

All air terminations and down conductors shall be of copper and shall conform to IS: 2309.

5.15.3 Joints and Bonds

The lightning protective system shall have as few joints as far as possible. Wherever joints in the conductor are necessary they shall be mechanically and electrically effective, and shall be riveted and brazed.

5.15.4 Earth Terminations

Each down conductor shall have an independent earth termination. All the earth termination shall be interconnected and shall be capable of isolation for testing.

5.15.5 Earth Electrode

The resistance of earthing system shall not exceed 1 ohm.

5.15.6 Fasteners



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Conductors shall be securely fixed to the building to be protected by fasteners which shall be not more than 1.20 meter apart for horizontal run and 1.0 meters for vertical run.

6.0 Attachments

− Bill of Quantity

− Drawings

o Lighting Layout of Typical Floor, 08-0263-Intgtd/E.02/A1/106. o Block Schematic of Power Distribution, 08-0263-Intgtd/E.02/A0/006 o LV Layout of Typical Floor, 08-0263-Intgtd/E.02/A1/206. o Power & Raceway Layout of Typical Floor, 08-0263-Intgtd/E.02/A1/406. o External lighting at Site Plan, 08-0263-Intgtd/MEP/A0/007 o Block Schematic of IT & Telecom, 08-0263-Intgtd/E.02/A2/0014

Date post:	06-Mar-2018
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