Optcl System in Orissa 400kv Bid Document

ORISSA POWER TRANSMISSION CORPORATION LIMITED

CONSTRUCTION OF SUBSTATION ALONG WITH TRANSMISSION LINE & ASSOCIATED

SYSTEMS

TECHNICAL SPECIFICATION

VOLUME-IIA

BID DOCUMENT NO: NESCL/OPTCL/CS-OS-617-02 (PACKAGE-2)

NTPC ELECTRIC SUPPLY COMPANY LIMITED

IMPORTANT INSTRUCTION TO BIDDERS

This volume (Volume-IIA) of technical

specification comprises of two parts- Scope of Works & Guaranteed Technical Particulars (GTP) & shall be read in conjunction with technical specification Volume-II as they are integral parts of Technical Specification.

Bidders shall fill up complete Guaranteed

Technical Particulars (GTP) & shall submit along with Technical Bid (Part-1).

SCOPE OF WORKS

FOR

(PACKAGE-2) ON TURNKEY BASIS

SUBSTATION & TRANSMISSIONN

LINE PACKAGE

VOL-IIA

PACKAGE REF. NO:- NESCL/OPTCL/CS-OS-617-02

IMPORTANT NOTE

THE BIDDERS ARE ADVISED TO VISIT THE SITE BEFORE QUOTING THE BID. THEY SHOULD ASCERTAIN ALL THE REQUIRED DATA FOR TURNKEY COMPLETION OF THE SUBSTATION AND ASSOCIATED TRANSMISSION LINES SUCH AS;

1. SOIL BEARING CAPABILITY.

2. REQUIRED BENCHING AND FILLING FOR SITE LEVELLING.

3. TYPE OF STRUCTURES FOR BOTH LINE & SUBSTATION.

4. TOTAL QUANTITY OF ATERIALS/STRUCTURES/EQUIPMENTS.

5. TYPE OF FOUNDATIONS FOR ERECTION OF LINE TOWERS & SUB STATION EQUIPMENTS/STRUCTURES.

6. ASCERTAINING THE LENGTH OF THE REQUIRED BOUNDARY WALL, FENCING AND ROADS.

7. ANY OTHER DATA REQUIRED FOR DESIGNING OF THE LINE & SUBSTATION.

NESCL/OPTCL/CS-OS-617-02 SCOPE DETAILS PACKAGE-2 Page-1 of 22

SCOPE OF WORK

1. General The Employer is strengthening their Transmission and Distribution systems by way of constructing 220kV and 132kV transmission lines, their associated terminal bays & new substations at various locations in the state of Odisha as outlined in the detailed scope of work. The entire works are to be carried out on Turnkey Basis up to final commissioning of all substations and transmission lines and handing over the same to the Employer, M/S ORISSA POWER TRANSMISSION CORPOTATION LIMITED.

The broad scope of work under this package covers

i) Establishment of new substations. ii) Extension of existing substations where ever required. iii) Construction of new transmission lines.

as per the specification & details provided in the contract documents .

The out line of the works includes

i) Design, manufacture, testing, supply & commissioning of all equipments for different

substations and transmission lines, as detailed in the specifications and schedule of quantities and in subsequent clauses except supply of power transformer and PLCC indoor equipments which shall be supplied by the Employer. The contractor shall load, unload, transport, erect, connect to the system, test and commission the power transformer & the PLCC equipments. Since there will be LILO on existing lines, the installations of PLCC equipment at remote (existing) end and proposed end of the sub-stations shall be under the scope of the contractor. A general single line diagram showing installations, removing and erection of PLCC equipments has been provided in the technical specification. An indicative structural layout of the substation has been provided in the technical specification which may be followed as a basis for finalization of the substation structural layout in consultation with OPTCL.

ii) Execution of all civil works as per schedule for erection of all substation equipments,

structures and foundation of transformers, control rooms, store sheds, pump house, D&E type quarters, roads, culverts, rain water harvesting arrangements etc. , construction of earth mat, cable trench, drainage system, boundary wall etc.

iii) Erection, testing, commissioning of all equipment and handing over of the substation

bays complete in all respect as per approved scheme and to the satisfaction of the Employer including statutory inspection.

iv) The makes of the equipments/components/materials shall be approved by the employer

before placement of the order with the contractor/manufacturer with necessary credentials.


v) The contractor (s) has the responsibility to arrange construction power supply for construction of the project. The expenditure for such arrangement till completion of the project shall be to the contractors account.

vi) The contractor(s) has the responsibility to arrange clean water for construction and curing

to the civil works.

vii) The work as mentioned in the price schedule shall generally be considered for the evaluation of the bid.

viii) The contractor shall have to engage his own security at his own cost for security of all the

materials including owners supply materials (handed over to him for the site) that are required for successful completion of the project till final handing over of the entire work to OPTCL.

ix) Contractor has to obtain Project License in respect of the projects from the competent

authority at his own cost, prior to commencement of works.

x) The scope of work includes the provision of one official copy of each Standard listed in the appropriate schedule.

2. Detailed Scope of work The contractor shall be fully responsible for providing all equipment, material, systems and services which are required to complete the construction and successful commissioning of the works in all respects excepting those specifically excluded under the clause 1.2 - Specific exclusions in the chapter General Clauses. The Contractor shall also refer to the Technical Specification (Vol.-II), for proper understanding of the works involved in respect of each substation. The scope of work on Turnkey basis includes design, engineering, manufacture, type testing, (factory testing) supply on FOR destination site basis, transportation, handling, storage at site, erection, site testing, commissioning complete in all respects and maintenance of plant and equipment until handing over of works in accordance with Conditions of Contract and the stipulations under various chapters of this specification at the prices stated in the Price Schedule for the following

(a) At BANKI , (District-Khurda)

i. 132/33 KV sub station comprising of (2X12.5 MVA transformers) as per single line diagram attached for the purpose.

ii. Associated 132 KV LILO transmission line of 19.69 kM on double circuit towers.


(b) At IIT ARGUL (District-KHURDA)

i. 132/33 KV sub station comprising of (3X40MVA) sub-station as per single line diagram attached for the purpose.

ii. Associated 132 KV LILO transmission line of 19.337 kM on double circuit towers. iii. 2 nos 132kV feeder bay extension at 220/132/33kV substation at Karadagadia

A power map of Odisha is enclosed at the end of this chapter to help bidders locate the proposed work site. 2.1. Substations 2.1.1. Electrical The scope includes but is not limited to i) Supply erection, testing & commissioning of the following equipments:

1. Circuit breakers 2. Isolators 3. Current transformers 4. Voltage transformers (capacitive and electromagnetic) 5. CT, CVT, IVT console boxes with aluminium alloy having minimum three mm thickness. 6. All other out door kiosks/boxes, BMKs shall be MS sheet of minimum 2mm thickness

with aluminium alloy canopy of 3mm thickness.

7. Surge arresters 8. Post insulators 9. Protection, control, and metering systems 10. PLCC systems 11. Insulator strings and other hardware 12. Busbar, circuit conductor and all conductor accessories 13. Power and control cables, cabling accessories, cable trays etc. 14. ACDC systems including all distribution boards, battery and charger systems, auxiliary

transformers.

15. Air conditioning plant and systems for control room 16. Fire fighting systems and equipment 17. Steel structures for switchyard gantries and portals (lattice type); and equipment (pipe or

lattice type) including those for lightning protection

18. Earthing system and conductors 19. Testing and maintenance equipment


20. Lighting of substation area and substation buildings. Illumination and emergency lighting system at different locations.

21. Control and relay panels as proposed. 22. Installation of 220 V battery sets and 48 Volts Battery sets as proposed with suitable

Battery chargers for the above batteries.

23. Event logger panel 24. AC and DC distribution boards as per requirement and as proposed. 25. Bus bar protection scheme (for 220kV SS only). 26. Disturbance recorder with Time synchronization. 27. Sub station level PC/Lap top provision for Relay configuration with their software. 28. The scope covers supply, delivery, installation and commissioning of exhaust fans to

provide ventilation of Control Room building. Exhaust fans as specified below are to be provided in the following locations of Control Room building above lintel level :

i. Battery Room 8 No.

ii. Toilet 1 No.

The exhaust fans will be having 600 mm. Diameter for battery room and 450 mm diameter for the toilet, propeller type conforming to IS: 2312 and designed for continuous use. The exact locations of fixing the exhaust fans will be finalized while approving drawing for control room building. The supply voltage of exhaust fans shall be 230 V A.C. depending on rating of the fan. Exhaust fans will be having 4 poles to obtain a speed of 1440 r.p.m,

29. Any other items required for completion of the project are also in the scope of this contract in order to complete the sub-station in all respect.

ii) Erection, testing & commissioning of the following equipments: 1. Power transformers /auto transformers 2. Indoor PLCC equipments at both the ends

iii) Only supply of the following equipments: 1. Mandatory spares for substation equipment being supplied under this contract as perBid

proposal Sheet( BPS) schedule-3.

2. Maintenance & testing equipment etc as per the list provided in relevant chapter of technical specifications.

2.1.2. Civil works

The design, engineering, supply of all materials including cement and steel, consumables, as per specification and approved drawings for civil works of the substations including but not limited to the following:

1) Designing, fabrication, galvanizing and erection of structures on respective foundations detailed in specification for civil works. Supply of all structural materials (columns & beams, hardware & fasteners etc) as per requirement. The contractor shall preferably


adopt OPTCL designed standard structures for use in various substation, the details of which are given at Clause no 12 of this chapter.

2) Supply of all clamps, connectors and hardware required for commissioning of the substation. The quantity and rating of the connectors and clamps are dependent on the layout and requirement of the substation.

3) Soil testing for soil resistivity and soil bearing capacity before designing.

4) Site development including leveling, filling & compacting of the sub-station area to the desired height.

5) Construction of sub-station retaining wall and fencing by GI heavy-duty goat mesh fencing and brick masonry retaining walls as per site requirement.

6) Construction of boundary wall along the property line of the substation with Main gate, security shed and two nos. switch yard gates in the sub-station. Provisions of a security shed near the main gate. The structure shall be RCC framed structure. There shall be provision of electrical illumination facilities.

7) Fencing of substation area and other areas

8) There shall be provision of plantations of fruit bearing plants and water tap provision for watering the plants in the sub-stations.

9) Construction of all foundations for columns , gantries ,all switchgear such as circuit breakers and isolators, CTs, CVTs and other substation equipment such as line traps, bus bar post insulator, etc.

10) Construction of foundation of transformer and reactors including supply and putting of rail from the service bay to the transformer plinth, all foundations of columns, equipment structures. Separate foundations for the marshalling boxes of the isolators are to be considered.

11) Anti termite treatment of switch yard and colony buildings.

12) Switchyard buildings such as control room, DG set room and fire fighting pump house. There shall be provision of a water cooler including water purifier inside the control room building. Provision of split type air conditioners inside the control room & PLCC room of Control Room building and conference area.

13) There shall be provision of store shed, one Ramp with winch for lifting the materials and lowering the materials up to 5 MT and out side platform to store the materials like transformer bushing, CT, CVT and other equipments.

14) Construction of D-type, E-type quarters.

15) Supply and spreading of uniform 20mm nominal size HG metal of 100mm thick inside both the switch yard area of the Sub- Stations. The spreading will be done above a finished level of switch yard land by plain cement concrete of thickness 75 mm (ratio


1:4:8). Anti weed treatment of the switch yard area to be made as per prevailing practice before spreading of PCC.

16) Construction of drainage system of the sub-stations and the newly constructed quarters & flood water discharge systems. Miscellaneous works like manholes soak pits, RCC, trench, fencing, etc. within the switchyard.

17) Construction of rain water harvesting arrangements in the substation.

18) Construction of cable trenches with trays & covers & sump pit with pump, as per requirement.

19) Construction of approach road to the new sub-stations as per requirement. Construction of periphery roads inside the fencing. The roads inside the switchyard & at the periphery shall be of 3.75 mtrs wide & the road inside switch yard shall be of concrete road as per technical specification. The other roads main and approach road shall be 7 mtrs wide and shall be bitumen grading.

20) Supply and putting of sub-station illumination system. All the light fittings shall be metal halide type & these fittings shall be mounted on switch yard portal structures such as columns & beams. No separate lighting mast is required. Entire substation lighting system in the switch yard & colony shall be designed using under ground cables only. No over head conductors are permitted for this purpose. For street lighting one outdoor lighting kiosk with two incomers of 200A rating switch fuse units (SFU) & with six feeders of 32A rating fitted with MCB shall be considered. Similar type of out door kiosk shall be considered for colony power supply with 200A SFU & ten out going feeder of 32A rating fitted with MCB shall be considered

21) Designing and providing the earth mat and earthing of the sub-station lighting protection, equipment earthing etc. Earth mat shall be designed using 75X10mm GI flat. For lightening protection individual spike not less than 2.5mtrs shall be provided on each column of the switchyard. Water tap provision shall be provided for pouring water into the earth pits constructed inside & around the periphery fence the switchyard. The earthing shall be extended beyond 2 mtrs from the fencing and the fencing earthing are also to be taken care.

22) Boring of two nos. new bore wells at a suitable location including construction of RCC pump house with 5 HP submersible pumps and its control inside the new proposed sub-station area. Making water supply arrangement for the colony and the Substation area including supply & erection of PVC pipe & its fittings, from pump house to Over head tank & from over head tank to all the distributaries system as per approval of the layouts.

23) Township colony, residential quarters for staff and employees of the Employer including electrification, water supply & other amenities for quarters.

24) Civic amenities for the township including drainage and sewerage systems.

25) All other materials, which the contractor feels to be required for completion of the sub-station.


2.2. Transmission lines.

i) Survey & ROW issues

1. Detailed line Survey works as per specification.

2. The contractor shall have to solve the entire right of way problem at his own cost. Contractor shall also resolve the issues related to the tree cutting in the transmission line and sub-station at his own cost. However the details of ROW issues has been indicated in Special Condition of Contract (SCC) Vol.-1A.

ii) Design & Manufacturing (as applicable), supply, storage, erection, testing & commissioning of following materials

1. Galvanized Structural materials of towers as per requirement. OPTCL adopted standard towers shall preferably be used for the transmission line, the details of which is given at Clause no.-13 in this chapter. However no standard design is available with OPTCL for multi circuit towers for 132kV line. The bidders shall use their own type tested design for multi circuit towers for 132kV line.

2. Foundation for various types of towers including revetment and piling (including under Rim piling & river bed piling as per requirement) works if required.

3. Insulators, hard wares.

4. ACSR conductors, GI earth wire etc and its stringing.

5. Commissioning of transmission lines.

6. Any other items required are also in the scope of this contract in order to complete the proposed transmission lines in all respect.

3. Electrical System Data of 400/220/132/33

1. Nominal System Voltage (KV) 400/220/132/33

2. Highest System Voltage (kV) 420/245/145/36

3. System Neutral Earthing. Effectively earthed

4. Basic Insulation Level (KVP)

i) Bus 1550/1050/650/170

ii) Equipment other than Transformer 1550/1050/650/170

iii) Transformer 1300/1050/650/170

5. Power Frequency withstand voltage (KV rms) 520/460/275/80


6. System fault level KA 40/40/31.5/25

7. Creepage distance for insulators (mm) 10500/6125/3625/900

8. Min. recommended clearance in air(mm)as per CBIP

i) Phase-to-phase 4200/2100/1300/320

ii) Phase-to-earth 4000/2100/1300/320

iii) Sectional clearance 6500/5000/4000/3000

9. Min. ground clearance (as per IE Rules) 8500/5500/5000/4000

10. Bus configuration for 400/220/132/33 kV

Selection of ACSR conductor shall be Chosen from Moose, Zebra and panther as per requirement and decision of employer.

11. Phase-to-phase distance:

i) Along the bay (mm) 7000/4500//3000/1500

ii) Strung bus (mm) 7000/4500/3000/1500

12. Reference design temperature 50 Deg. Centigrade. Detailed technical particulars of different equipments have been specified in the

respective specifications in the subsequent section. If any technical particulars are missed from this volume the same may please be referred from relevant IS: specification for bidding purpose.

4. Design work

The Bidder shall furnish detailed design of the substations & transmission lines. The design work shall include but not limited to technical calculations, preparation of drawings and bill of materials and specifying equipments not specified in the specification but necessary for the completion of the substations & transmission lines on the turnkey basis. The technical calculation design drawings, etc. shall be submitted to the Employer for approval. However the layout drawing furnished by OPTCL shall be taken as a guide line.

5. Standards

All materials and equipments shall generally comply in all respects with the latest edition of the relevant Indian Standards. International Electro-Technical Commission (IEC) or any other internationally accepted Standard equivalent or better than relevant Indian Standard. Equipment complying with all other authoritative standards such as


British, ASA, VDE, etc. will also be considered if performance equivalent or superior to Indian Standard is ensured.

In the event of supply of equipment confirming to any International or internationally recognized Standard other than the Standard listed in the Specification. The salient features of comparison shall be brought out and furnished along with the bid.

In case of adopting any standard other than that IS or IEC, a complete set of adopted standard shall be supplied by the bidder. However it is desirable and preferred that the equipment offered shall comply with one consistent set of standard unless other than exceptional cases.

The equipment shall also comply with the latest revision of Indian Electricity Act and Indian Electricity Rules and any other Electrical Statutory Provision, Rules and Regulations.

6. Reference Drawings

Drawings showing indicating scope of work are enclosed. Drawings are complementary to specifications and shall be referred to for better understanding as well as for estimation of quantities and bill of materials for arising at lump sum bid price on turnkey basis.

The bidder shall submit with the tender, plan of the substation showing broadly the scope of work incorporated as per technical specification. All the drawings shall be submitted in quadruplicate, enumerated in conformity with relevant clause stipulated in the Technical Section.

These drawings shall show proposed layout plan with section. Drawings sufficient overall dimension, clearance etc. required for assembling and dismantling and space requirements of all the apparatus to be supplied to enable the Employer to examine the design and layout at the installation.

7. Packing and Marking

The bidder shall include and provide for securely protecting and packing the plant so as to avoid damage in transit under proper condition and shall be responsible for all loss or damage caused by any defect in packing.

Large and heavy items such as 400 KV, 220 kV, 132 kV and 33 KV equipments and structural steel shall be packed and shipped as per standard international practice.

Container/Cartoons, boxes, trunks and other packages shall be strong and sturdy in construction to withstand Ocean shipping. Several times loading and unloading, transport on rough roads, and storage in tropical area and hauling and handling during erection etc. Boxes and packages shall also be protected by suitable lagging or galvanized steel strips.

A layer of waterproof material shall be provided inside the cartoon/boxes/packages to protect the equipment from water seepage and to avoid rust.


The following information shall be marked on the container/boxes/packages etc.

a. Contractors/manufacturers name, project title and contract reference.

b. Plant/accessory identification No. and title.

c. Net/gross weight.

d. Employers name with other dispatch particulars such as destination.

The employer shall take no responsibility for any damage done to the plant on route to the site of work or place of delivery whichever is applicable.

8. Tests

i. Unless otherwise specified in respective section, all equipment shall be subjected routine and type test as covered and specified in any standard in presence of the authorized representative of the employer.

ii. Bidder shall submit type test report from a recognized laboratory along with the bid.

iii. At least 15 days advance notice shall be given by the contractor to the employer for witness the tests.

9. Compliance to IE rule 1956

i) The construction agency shall posses a safety manual duly approved by competent authority in the Govt. of his State Governing the safety in work by the personnel and staff.

ii) The agency shall posses valid contractors license issued by the Electrical Licensing Board of Odisha (ELBO) failing which he will not be allowed to start the work.

iii) All supervisory of works shall posses appropriate valid supervisory certificate of competency issued ELBO, Odisha.

iv) At least 50% of electrical workmen employed in the project shall posses valid workmen permit by ELBO.


10. Bidder has to follow submission of drawings, data, document as per the

format given below.

Post Order Final Document

Sl. No. Description With Bids

For Review

For Records

Transparency

Prints (Photostat)

Electronic

1. Switchyard single line diagram including relay metering

2. Switchyard layout, plan, section & sizing of various equipments

3. Switchyard earthing and lightning protection calculations.

4. Battery, battery charger, DCDB sizing calculations.

5. Switchyard lighting calculations

6. Switchyard earthing and lightning layout.

7. Switchyard lighting layout.

8. Switchyard control room equipment and cable layout.

9. Switchyard clamps and connector details.

10. Relay, metering and control panel block logic diagram.

11. Control panel schematic drawings.

12. Logic for castle key interlock between breaker and isolator.

13. Relay, metering & Control panel and ACDB,DCDB GA drawings.

14. Switchyard equipment GA drawings and control schematics.

15. Cable schedule. 16. Interconnection

diagrams.



Sl. No. Description With BidsFor Review

For Records

Transparency

Prints (Photostat)

Electronic

17. Relay setting calculations and Coordination drawings.

18. SLDs of ACDB and DCDB.

19. Soak pit and waste oil pit layout and sizing calculation.

20. Structural design calculations super structures.

21. Civil drawings for foundation and cable trenches.

22. Structural fabrication drawings of equipments gantries etc.

23. Filled in equipment data sheets as per enclosed format.

24. Complete literature, leaflets for all equipments.

25. Operational/ maintenance manual.

26. Deviation schedule w.r.t. a) Specification b) Document/ attachments.

27. List of spare parts for each major equipment.

28. List of special tools and tackles.

29. List of sub-vendors. 30. QA plan of vendor 31. Installation operating

and maintenance instruction.

32. Inspection Plan and Testing Procedure.

33. Test Records. 34. List of commissioning/

maintenance spares.



Sl. No. Description With BidsFor Review

For Records

Transparency

Prints (Photostat)

Electronic

35. Data Book/Manual a)Installation Manual b) Operating/Mainte- nance. c)Catalogues/ Brochures.

11. Minimum clearance for substation design shall be as per details given in

the table below.

Highest system voltage (kV)

Insulation level (kVP)

Switching Impulse Voltage (KVP)

Sectional Clearance (mm)

Minimum clearance Ground Clearance (mm)

Between phase & ground

Between phases

36KV 170 - 3000 320 320 3700 145KV 550

650 - 4000 1300 1300 4600

245KV 950 1050

- 4500 5000

2100 2100 5500

420KV 1425 1050 6500 3500 4200 8000 12. OPTCL adopted standard switchyard structure:

The bidders may adopt their own type tested design for switchyard structures with approval from OPTCL. However the standard switchyard structures adopted in OPTCL switchyards system in different voltage levels are given below.

A 220 KV SIDE:

1. COLUMN: P1S TYPE,- HEIGHT-21.5 MTRS,WEIGHT-4.464MT 2. BEAM:Q1 TYPE,-LENGTH-18 MTRS, WEIGHT-1.473MT

B 132 KV SIDE:

1. COLUMN: T1S TYPE,- HEIGHT-15 MTRS,-WEIGHT-1.193 MT

2. COLUMN: T4S TYPE,-HEIGHT-11 MTRS,-WEIGHT-0.924 MT

3. BEAM:G1 TYPE,-LENGTH-10.4 MTRS,-WEIGHT-0.613 MT

4. BEAM:G2 TYPE,-LENGTH-14.9875 MTRS,-WEIGHT-0.906 MT

5. BEAM:G1X TYPE,-LENGTH-10.4 MTRS,-WEIGHT-1.370 MT

6. BEAM:G1,2 TYPE,-LENGTH-10.4 MTRS,-WEIGHT-1.25 MT

C 33 KV SIDE:


1. COLUMN: T8S TYPE,- HEIGHT-10.5 MTRS,WEIGHT- 0.777 MT

2. COLUMN: T9S TYPE,-HEIGHT-7.5 MTRS,WEIGHT - 0.592 MT

3. BEAM:G4 TYPE,-LENGTH-5.5 MTRS,WEIGHT-0.306 MT

4. BEAM:G4X TYPE,-LENGTH-5.5 MTRS,WEIGHT-0.306 MT 5. BEAM:G6 TYPE,-LENGTH- MTRS,WEIGHT-7.25 MT

D THE BAY WIDTH OF DIFFERENT VOLTAGE LEVEL ARE AS BELOW

1. 220 KV SYSTEM SHALL BE 18 MTRS 2. 132 KV SYSTEM SHALL BE 10.4/13.1MTRS. 3. 33 KV SYSTEM SHALL BE 5.5 MTRS

13. OPTCL adopted standard Tower structure for transmission line:

The bidders may adopt their own type tested design for transmission line structures/towers with approval from OPTCL. However the standard tower structures adopted in OPTCL for different voltage levels are given below.

A. 132 KV Transmission line.

(i) PA type: Unit weight: 3.430 MT. (ii) + 3 mtrs: Unit weight: 0.537 MT. (iii) + 6 mtrs: Unit weight: 1.349MT. (iv) PB type: Unit weight: 4.973 MT. (v) + 3 mtrs: Unit weight: 1.018 MT. (vi) + 6 mtrs: Unit weight: 2.104 MT. (vii) PC type: Unit weight: 6.214 MT. (viii) + 3 mtrs: Unit weight: 1.119 MT. (ix) + 6 mtrs: Unit weight: 2.342 MT. (x) Templates for PA- Unit weight: 0.665 MT (xi) Templates for PB- Unit weight: 0.602 MT (xii) Templates for PC- Unit weight: 1.904 MT

B. 220 KV Transmission line. (i) OA type: Unit weight: 4.351 MT. (ii) + 3 mtrs: Unit weight: 0.727 MT. (iii) + 6 mtrs: Unit weight: 1.448 MT. (iv) OB type: Unit weight: 7.574 MT. (v) + 3 mtrs: Unit weight: 1.305 MT. (vi) + 6 mtrs: Unit weight: 2.242 MT.


(vii) OC type: Unit weight: 9.839 MT. (viii) + 3 mtrs: Unit weight: 1.436 MT. (ix) + 6 mtrs: Unit weight: 2.599 MT. (x) +15 mtrs: Unit weight: 6.670 MT (xi) UR : Unit weight: 13.585 MT. (xii) UR + 3 mtrs type: Unit weight: 17.316 MT. (xiii) UR + 6 mtrs type: Unit weight: 4.249 MT. (xiv) Templates for OA- Unit weight: 0.597 MT (xv) Templates for OB- Unit weight: 0.815 MT (xvi) Templates for OC- Unit weight: 1.172 MT (xvii) Templates for UR- Unit weight: 1.509 MT

C. No. of Bolts & Nuts used in each of the Tower

Type of Tower

Normal +3 mtrs +6 mtrs

PA 1002 142 276 PB 1097 273 542 PC 1654 313 592 OA 1147 180 228 OB 1299 236 372 OC 1877 254 402 UR 2283 357 588

14. Approved Make Of Switchgear And Equipments.

The following make of the equipments/materials shall be supplied with prior

approval from OPTCL.

1. Breakers-Alstom /Siemens /ABB/ Crompton /BHEL.

2. CT,PT&CVT- Areva /Siemens/ABB/ Compton/ BHEL.

3. SA- Areva /CGL/Oblum.

4. CR Panels-Siemens/ Areva/ABB.

5. Battery and charger- Exide for Battery, Caldyne for Charger

6. Isolator- ABB/Siemens/Switch gear and structural /GR Power/Areva .

7. Station transformer-Alstom / Crompton


8. Hardware fittings-Rashtriya Udhyog / Eritech /IAC.

9. Conductors- APAR/Gupta Cables/ Hightech Powercon / Eritech / Cabcon / Sterlite

10. Fire fighting: Mini Max, Cease Fire.

11. Lighting fixtures: Philips, Bajaj, CGL.

12. Wave trap: BPL, ABB, AREVA.

13. Tower Structure: Either from the OPTCL Rate contract holders or from Reputed make

to be approved by OPTCL

14. PVC insulated Control and XLPE insulated Power cable- Nicco, Gloster, CCI, KEI,

Crystal, Poly Cab

15. Insulators: BHEL, WS, MGK Birla, Modern Insulator

16. Earth Wire: Bharat Wire ropes, Usha Martin, UIC Wires.

17. Cement: OPC Grade 43: ACC, Ultra Tech, Lafarge.

18. Steel: SAIL, TISCO (TATA), RINL

19. GI Pipe: TATA, JINDAL

20. Air Conditioners: Hitachi, Carrier, Blue Star.

21. PVC wires (FRLS type): L&T, Finolex

22. All Switches-Anchor/ABB/ Cona

23. All MCB-L&T(Hager)/MDS/ indo Asian 24. ACB and MCCB-L&T, Siemens/Merlin Gerin 25. All PVC Wires-FRLS type Anchor/L&T/ Finolex /KDK/ Indo Asian 26. All Clamps and Connectors- Heavy duty type of reputed make to be approved by

OPTCL.

27. All Civil Engineering Materials- reputed make to be approved by OPTCL. 28. Foundation Bolts- Reputed make 29. GI Bolts and Nuts-Nexo or reputed make to be approved by OPTCL

Any other items required for completion of the project shall be considered as included &

the make of such items shall be subject to approval by OPTCL.


15. Portable Fire Extinguisher Portable fire extinguishers of the following types shall be supplied to each sub-station.

Quantity Required Sl No

Description of Items

Unit capacity At each 132/33 kV S/S

At each 220/132/33 kV S/S

At each 220/33 kV S/S

1 Foam Type Nos 9 ltrs 2 4 4 2 Dry chemical

Powder Type(Trolley mounted)

Nos 22.5 Kgs

2 4 2

3 Dry Powder Type Nos 5 Kgs 2 4 2 4 Carbon dioxide

(CO2Nos 9Kgs 5 10 5

5 Carbon Dioxide (CO2)

Nos 4.5Kgs 5 10 5

6 Carbon dioxide (CO2) Trolley mounted

Nos 22.5 Kgs

2 4 2

7 Fire bucket with (a set comprises of six nos Bucket in each stand & one stand )

Set 3 5 3

The quantities are indicative. Bidders are advised to design as per the requirement. 16. Maintenance & Testing Equipment Maintenance & testing equipments shall be supplied & installed for each

substation as per the list given below. Quantity Required Srl. No Description of Items Unit

At each 132/33 KV S/S

At each 220/132/33 KV S/S


1 100 kv transformer oil breakdown voltage test set

Nos 1 1 1

2 Insulation resistance tester (megger)

Nos 1 1 1

3 Oil sampling bottle Nos 4 4 4 4 SF6 gas leak detector Nos 1 1 1 5 LCD, digital multimeter Nos 2 2 2 6 Analogue Multimeter(features

same as digital multimeter) Nos 1 2 1

7 LCD, clamp on meter Nos 2 2 2 8 Digital earth tester

Nos 1 1 1

9 Discharge rod as per standard for carrying out the switch yard maintenance work

Nos 6 6 6

10 Rubber gloves of operation of Pairs 2 2 2


Quantity Required Srl. No Description of Items Unit At each 132/33 KV S/S



isolators and earth switch 11 Relay tools kit Sets 1 1 1 12 Portable emergency light Nos 4 4 4 13 Latest version desktop PC of

reputed make with all its accessories including CPU, Monitor, UPS and having all latest loaded software and also its back up in shape of CD and separate pen drive . Suitable for loading of software as recommended by the relay manufacturer. It includes supply of one no portable laser printer of reputed make. Make of PC and printer: HP/DELL

Set 1 1 1

** The multimeters (both digital and analogue), clamp on meters, earth tester shall preferably of Motwane make. Prior approvals of OPTCL for all the testing equipments are to be taken.

17. Other Tools and Plants (T&Ps) Requirement: Following T&Ps of reputed make shall be supplied & installed at each substation.


Description of Items unit




1 Set of D spanner(6mm 42mm)

Set 1 1 1

2 Set of Ring spanner(6mm 42mm)

Set 1 1 1

3 Socket wrench with sockets, handles, and other attachment(6mm-42mm)

Set 1 1 1

4 Insulated cutting plier Nos 2 2 2 5 Insulated nose plier Nos 2 2 2 6 Monkey plier Nos 1 1 1 7 Circlip plier Nos 1 1 1 8 Pipe wrench

a)12 inch 1 no b)18 inch 1 no

Set

1 1 1



Description of Items unit




9 Sly wrench a)12inch 2 nos b)18inch 1 no

Set

1 1 1

Insulated handle screw drivers of different sizes as per required a)12inch plain head 2 nos b)8inch plain head 2 nos c) 12inch star head 1 no d) small size6inch plain and star head 2 each e)Complete set of different head in one box/set -1set

Set 1 1 1

11 L-N keys set of different sizes in one box/set

Set 1 1 1

12 M.S Files(12inch and 6inch sizes) Round files and flat files-one each of different sizes)

set 1 1 1

13 Hammar with handle a)1 lb 2 nos b)1/2 lb-2 nos c)2 lb-1 no

Set 1 1 1

14 Crow bar a)5 ft 2nos b)3ft-2 nos

set 1 1 1

15 Steel scale(12inch) Nos 2 2 2 16 Steel tape

a)5 mtrs-2 nos b)30mtrs-1 no

Set 1 1 1

17 Oil cane Nos 2 2 2 18 Spirit level (8inch) No 2 2 2 19 Plumb head with string and

attachment No 1 1 1

20 Maintenance safety belt with all attachment and helmets(complete one set)

Set 3 4 3

21 Hand drill machine with different bits and key.(Wolf make)

No 1 1 1

22 Vacuum cleaner having hot blower provision with all attachments (Eureka Forbes make)

No 1 1 1

23 230-250VAC,80W,450mm sweep,1400 rpm stand(rugged) FAN Make: Almonard,CGL

No 2 4 2


** All the T&Ps shall be of Taparia make. The hand drill and vacuum cleaner shall be wolf and Eureka Forbes make.

18. Office Furniture:

Office furniture shall be supplied & installed at each substation as per the list given below. All the furniture shall be of Godrej make. Before supply of the furniture to the sub-station, approval from OPTCL is required. Details of the scope of supply are as indicated below.

Quantity Required Sl

No Description of Items unit




1 5ftX3ft executive table with drawer both sides

Nos 5 6 5

2 3ftX2&1/2ft Table with one side drawer

Nos 7 8 7

3 Computer table suitable keeping monitor, CPU,UPS and printer with two nos revolving arm chair suitable for computer use.

Set 1 1 1

4 Executive revolving ,adjustable(height) chairs with arm

Nos 5 6 5

5 Cane gutting S type steel chairs with arm

Nos 18 24 18

6 6ftX3ft conference table Nos 1 1 1 7 Cushion arm steel chairs

for conference table purpose

Nos 6 8 6

8 6ft height steel almirah (only with selves) for keeping records and other valuable items

Nos 4 6 4

9 6ft height steel almirah with glass doors for library purpose

Nos 2 2 2

10 6ft height (having minimum 6 lockers facility) steel cupboard with locking arrangement

Nos 2 2 2

11 4ft steel rack (minimum three selves) for keeping the files and other items

Nos 8 10 8

R WT R WT

YB WT WT

CVT CVT CVT CVT

Mendhasal Karodgadia Banki

FCBC(75A)

48V/350AHBATT

LMULMDU LMU LMDU

SCHEMATIC LAYOUT FOR SPEECH,PROTECTION & DATA RELATED TO 132KV KARODGADIA-BANKI SC LINE(REV-01)

LMULMDLMU LMDU

PLCC

Data

Ckt-I

Ckt-II

YB

RY

B

132kV220kV

PLCC N# Ch1 S Data K 5 # Ch2 Sp+Prot.

ETL-42

PLCC# Ch1 Data # Ch2 Sp+Prot.

ETL-42ETL-41ETL-41

CVTCVT

WT

WT

EPBAX(16 LINES)

2wTelephone

N PLCCS K Data 5

OPTCLwillprovideIndoorPLCCPanel.

R WT R WT

YB WT WT

CVT CVT CVT CVT

Mendhasal Karodgadia Argul

FCBC(75A)

48V/350AHBATT

LMULMDU LMU LMDULMULMDLMU LMDU

PLCC

Data

Ckt-I

Ckt-II

YB

RY

B

132kV220kV

PLCC N # Ch1 S Data K 5 # Ch2 Sp+Prot.

ETL-42

PLCC# Ch1 Data # Ch2 Sp+Prot.

ETL-42ETL-41

N PLCCS K Data 5

ETL-41

CVTCVT

WT

WT

SCHEMATICLAYOUTFORSPEECH,PROTECTION&CONNECTIVITYRELATEDTO132KVKARODGADIAARGULDCLINE(REV01)

EPBAX(16 LINES)

2wTelephone

OPTCLwillprovideIndoorPLCCPanel.

GUARANTEED TECHNICAL PARTCULARS

(TO BE FILLED AND SUBMITTED BY BIDDERS WITH

THE TECHNICAL BID)

NESCL/OPTCL/CS-OS-617-02 GTP- Page 1 of 196

GUARANTEED TECHNICAL PARTICULARS

IVT AND CVT


GUARANTEED TECHNICAL PARTICULARS. Sl. No.

Description. 220KV IVT

132KV IVT

33KV IVT 400 KV/220KV CVT

132KV CVT

3P/0.2 Accuracy Class


0.2 Accuracy Class

3P/3P/0.2 Accuracy Class.


1 Bidders name and address. 2 Name and address of the Manufacturer. 3 Manufacturers type and designation. 4 Standards applicable. 5 Type of IVT/CVT 6 Rated primary voltage (kv). 7 Rated secondary voltage (volts). 7.1 Winding-I. 7.2 Winding-II. 7.3 Winding-III. 8 Rated frequency [HZ]. 9 Rated burden:-

Protection Winding Protection Winding Metering Winding

10 Number of secondary windings. 11 Accuracy class. [I] [protection] Winding [II] [metering] Winding 12 Rated voltage factor for continuous

operation at rated frequency.

13 Rated voltage factor for 30 seconds at rated frequency.

14 One minute dry and wet power frequency withstand voltage for primary side [kv] rms.

15 One minute power frequency withstand voltage for secondary winding [kv] rms.

16 1.2/50 micro- second impulse withstand test voltage for primary side

17 Temperature rise over an ambient temperature of 50C

[a] With 1.2 times rated primary voltage at rated frequency and at rated burdens. [I] Winding [C] [II] Oil [C] [III] Other parts [C]

[b] With 1.5 times rated primary voltage for 30 seconds at rated frequency and at rated burdens.


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



[I] Winding [C] [II] Oil [C] [III] Other parts [C]

18 Class of insulation.

19 Total creepage distance in (mm) 20 Maximum radio interference voltage at

1.1 times maximum line to ground voltage (micro volts)

21 Corona inception and extinction voltage (kv) rms

22 Partial discharge level (piccocoulombs) 23 Primary.[For 220KV, 132KV & 33KV

IVT] (a) No. of primary turns (b) Material of primary (c) Size of the primary conductor

bare/insulated. (d) Cross sectional area of primary

conductor (sq.mm) (e) Current density adopted for primary

winding(A/sq.mm) (f) Type of primary winding. (g) Name of the insulating materials

used for primary conductor. (h) Weight of primary winding.

24 Secondary. [For 220KV, 132KV & 33KV IVT] (a)No. of secondary turns (b) Material of secondary Size of the secondary conductor bare /insulated. (d)Cross sectional area of secondary conductor (mm2) (e)Current density adopted for secondary winding(A/mm2) (f)Type of secondary winding (g)Name of the insulating materials used for secondary conductor. (h)Weight of secondary winding.

25. Core. [For 220KV, 132KV & 33KV IVT] (a)Shape of the core


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



(b)Material and grade of the core laminations (c)Thickness of the core lamination (mm) (d)Maximum flux density adopted (Tesla) (e)Net iron area of the core (f)Watt loss/kg. for the core materials at the operating flux density(W/kg) (g) Total weight of the core(kg) (h)Whether B-H curve for core material enclosed? (i)Whether specific loss vrs. Flux density curve enclosed ?

26 INSULATION. .[For 220KV, 132KV & 33KV IVT] (a) Insulation between core and secondaries. (b) Insulation between secondaries. Insulation between secondary and primary. (d) Insulation between primary .and core.

27 DIMENSIONS OF CORE AND WINDINGS. .[For 220KV, 132KV & 33KV IVT] (a)Diameter of the core (mm) (b)Inner diameter of the secondary windings(mm) (c) Outer diameter of the secondary windings (mm) (d) Inner diameter of the primary winding(mm) (e) Outer diameter of the primary winding(mm) (f) Minimum clearance from primary winding to tank(mm) (g) Minimum clearance from secondary winding to tank(mm)

28. Percentage voltage ratio (error)/phase displacement (min.)at 100% rated burden at 0.8PF lagging for measuring winding. (a) 80% of rated voltage at frequency:- (b) 120% of rated voltage at

frequency:-

, .


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



(c) Accuracy of standard PT to be used. during determination of errors (0.05 or better.

29. Percentage Voltage ratio /phase displacement (min.)at 25% rated burden at 0.8PF lagging for measuring winding. (a) 80% of rated voltage at rated

frequency:- (b) 120% of rated voltage at rated

frequency:-

.

30. Percentage voltage (ratio)error /phase displacement (min.) at 100% rated burden at 0.8PF lagging for protection winding (a)5% of rated voltage. (b)1.2 times rated voltage ( c)1.5 times rated voltage (d) 2% of rated voltage..

31. Percentage voltage (ratio) error /phase displacement (min) at 25% of rated burden at 0.8PF lagging for protection winding (a)5% of rated voltage (b)1.2 times rated voltage. 1.5 times rated voltage. (d) 2% of rated voltage.

32. Whether IVT/CVT is suitable for horizontal transportation.

33. Quantity of oil per IVT/ CVT (Ltrs/kg) 34. Standard to which oil conforms. 35. Characteristic of oil(Prior to filling) 35.1.

Breakdown voltage (kv-rms)

35.2.

Dielectric dissipation constant tan delta)

35.3

Water content(PPM)

35.4

Gas content(PPM)

35.5

Interfacial tension at 27 degree C(N/m)

35.6

Specific resistance.

35. At 90 deg.C(ohm-cm)


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



6.1 35.6.2

At 27 deg.C(ohm-cm)

36. Whether IVTS are hermetically sealed ? If so how ?

37. Total Weight (kg) 38. Transport weight (kg) 39. Dimensional details. 40 Whether IVT characteristic curves

enclosed?

41. TANK AND SECONDARY TERMINAL BOX.

41.1

Material of the IVT/ CVT tank

41.2

Material of the secondary terminal box.

41.3

Thickness of the IVT/ CVT tank material.

41.4

Thickness of the secondary terminal box material.

41.5

Zinc coating of IVT/ CVT tank(g/sq.m)

41.6

Zinc coating of the secondary terminal box (g/sq.m)

41.7

Weather proof rating of secondary terminal box.

41.8

Weight of tank fitting and other accessories.

TERMINAL CONNECTORS 01. Manufacturers name 02. Applicable standards., 03. Type. 04. Material of connector.

(a)Clamp body. (b)Bolts and Nuts. (c ) Spring Washers

05. Rated current. 06. (a) Rated terminal load(kg)

(b) Factor of safety.

07. Minimum thickness of any part(mm) 08. Weight of connector complete with

hardware.


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



09. Type test reports as per IS enclosed. 10. OGA drawing enclosed. BUSHING/SUPPORT INSULATOR 01 Manufacturers name 02. Type. 03. Applicable standards. 04

Dimensions: (i)Height(mm) (ii)Diameter(top)(mm) (iii)Diameter( bottom)(mm)

05 Total creepage distance (mm). 06. Rated voltage(KV)(rms) 07.

Power frequency withstand voltage for (1 minute dry and wet(KV/rms)

08.

1.2/50 micro-second Impulse withstand voltage (KVP)

09. Corona Extinction voltage(kv) 10. Weight(kg) 11. Maximum allowable span (mm) 12. Cantilever strength(kg) 13. OGA drawing enclosed.


ADDITIONAL TECHNICAL REQUIREMENT FOR 400 KV,220KV & 132KV CVT

1. Rated capacitance of the CVT

2. High frequency capacitance for entire carrier frequency range. 3. Equivalent series resistance over the entire frequency. 4. Stray capacitance and stray conductance of the LV terminal over entire carrier frequency range. 5. Capacitance (PF) /Tan delta between:-

a) HV-HF point b) HF point-Ground point of

International Transformer. c) HV-Ground point of Intermediate

Transformer winding. 6. Capacitive reactance of the two parts of the divider i.e. High voltage capacitor, and Intermediate voltage capacitor, connected in parallel. 7. Total Inductive reactance, offered by CVT. 8. Voltage ratio of the capacitor divider. 9. Open circuit Intermediate voltage. 10. Rated open circuit Intermediate voltage. 11. Reference range of temperatures within which the CVT complies with the relevant accuracy requirements. 12. Protective device, in-corporate in the CVT for limiting over voltages and/or to prevent sustained Ferro resonance. 13. Rated voltage of Surge Arrester, connected at the secondary of CVT. 14. Natural frequency of coupling (KHZ). 15. Self tuning frequency of CVT (KHZ). 16. Bandwidth (KHZ).


17. Temperature rise over ambient. 18. One minute power frequency test voltage of secondary winding (KV). 19. One minute power frequency test voltage of H.F. terminal (KV). 20. One minute power frequency test voltage of capacitor (dry & wet) (KV). 21. 1.2/50/micro second Impulse withstand test voltage of capacitor (KVP). 22. 250/2500 micro second switching surge withstand voltage of capacitor (dry & wet). 23. Literature Whether the followings are enclosed? 23.1 Type Test reports as per IEC 186. 23.2 OGA drawing of CVT and terminal connector. 23.3 Characteristic curves. 23.4 Drawing showing clearance from earthed object.

23.5 Details of Surge Arrester, connected at secondary winding of CVT. 24. ELECTROMAGNENIC UNIT:- 24.1 CORE:-

a) Core diameter (mm) b) Window Weight (mm) c) Leg centre (mm) d) Net cross sectional area of iron

In the core (mm ) e) Core lamination thickness (mm) f) Type & grade of core. g) Design flux density at rated voltage.

And rated frequency (Tesla) h) Design flux density at highest system voltage

& lowest system frequency (Tesla). i) Minimum knee point voltage (volts).


24.2 PRIMARY WINDING:-

a) No. of turns. b) Bare size of conductor c) Insulated size of conductor. d) Area of cross section. e) Current density (A/ mm). f) Conductor material. g) Class of insulation. h) Power frequency withstand level.

(KV-rms). i) Impulse withstand level (KVP).

24.3 Secondary Winding Protection Protection Metering Winding Winding Winding.

a) No.of turns b) Bare conductor size (mm) c) Insulated conductor size (mm) d) Cross-sectional area (sq.mm) e) Current density (A/ mm) f) Conductor material. g) Class of Insulation. h) Power frequency withstand

Level (KV-rms).

Signature of the Tenderer with seal and date.


ANNEXURE B. CALIBRATION STATUS OF TESTING EQUIPMENTS AND INSTRUMENTS/METERS.

Name of the test.

Meters and equipments required for the correspondi-ng test with range, accuracy, make and Sl. No.

Date of Calibra- tion.

Due date of Cali- bration.

Name of the Cali- brating Agency.

Whether Calibrat- ing Agency is Govt. Approv- ed.

Whether documents relating to Govt. Approval of the cali-brating Agency furnished ?

Whether the meters/ equipment fulfill the accuracy class as per calibration report

Whether the calibra ting agency has put any limitation towards the use of the particular meter/equipment. If yes, state the limitations.

Whether green sticker or blue sticker or yellow sticker has been affixed on the body of the particular equipment/meter. State the colour of the affixed sticker.

Inspite of imposed limitations,, whether the particular meter/equipment can still be used ? Justify its use for corresponding test(s).

Rema- rks

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

Signature of the tenderer with seal and date.

NESCL/OPTCL/CS-OS-617-02 E27-GTP- Page 12 of 169

ANNEXURE-C

CHECK LIST TOWARDS TYPE TEST REPORTS.

Nam

e of

the

Type

Tes

t.

Dat

e of

Tes

t.

Nam

e of

the

Labo

rato

ry w

here

the

Test

has

be

en c

ondu

cted

.

Whe

ther

the

Labo

rato

ry is

Gov

ernm

ent

App

rove

d.

Whe

ther

the

Test

repo

rts a

re v

alid

as p

er

Cla

use

No.

8.1

of T

.S.

Whe

ther

the

copy

of T

est R

epor

t in

com

plet

e sh

ape

alon

gwith

dra

win

gs e

tc. f

urni

shed

or

not ?

Whe

ther

the

Test

ed I.

V.T

. ful

fills

the

tech

nica

l re

quire

-men

ts a

s per

TS.

If th

e ty

pe te

sted

I.V

.T

does

not

fulfi

ll th

e te

chni

cal r

equi

rem

ents

as p

er

this

spec

ifica

tion,

whe

ther

the

bidd

er a

gree

s to

cond

uct t

he p

artic

ular

test

(s) a

gain

at t

heir

own

cost

with

out a

ny fi

nanc

ial l

iabi

lity

to O

PTC

L in

th

e pr

esen

ce o

f OPT

CL

s rep

rese

ntat

ive

with

in

the

spec

ified

del

iver

y pe

riod.

Re

mar

k

1 2 3 4 5 6 7 8

Signature of the Tenderer with seal and date.

NESCL/OPTCL/CS-OS-617-02 E27-GTP- Page 13 of 196 13


BATTERY AND BATTERY CHARGER


ANNEXURE I

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 220V LEAD ACID PLANTE STORAGE BATTERY.

[To be filled in by the bidder]

350AH/550AH Values/Others

1. Manufacturers Name and address alongwith Fax No. & Tele phone No.

2. Conforming to standards 3. Type and designation as per ISS 4. Manufacturers type and designation 5. AH capacity and voltage of the battery

at 27 deg.C.

[a] At 10 hour rate of discharge. [b] At 5 hours rate of discharge. [c] At 1 hour rate of discharge [d] At 1 minute rate of discharge. [e] At hour rate of discharge. 6. Open circuit voltage of each battery

cell.

[a] Fully charged [b] Floating condition. [c] When completely discharged at. [i]. 10hr. rate. [ii]. 5 hour rate [iii] 1 hour rate [iv] hr. rate [v]. 1 minute rate [vi] 1-second rate. 7. Recommended float charging voltage

[volts] across the battery terminals.

8. Recommended boost charging voltage [volts].

9. Time required for boost charging from discharged conditions [in hours]

10. Trickle charging Current range/cell

11. AH capacity at 10 hour rate at 10 hour rate at room temperatures of :

[a] 15 deg C. [b] 27 deg C. [c] 50 deg C. 12. CELL DETAILS


[i]. No. of cells per battery [ii]. Total nos. of plates per cell. [iii] No. of positive plates per cell.

(iv) Type of positive plate (v) No. of negative plates per cell (vi) Type of negative plate (vii) Surface area of plates in sq. mm. (viii) CONSTRUCTIONAL DETAILS AND DIMENSIONS OF (a) Positive plate (b) Negative plate (c) Material of the container (d) Thickness of the container (e) Overall dimensions of each cell

(LxBxH)

ix. Weight per Cell (Kg) (a) Active elements-positive (b) Active elements-Negative (c) Container (d) Net dry weight (e) Weight with electrolyte x. Distance between centre of cells

where erected.

xi. Nominal cell voltage. xii. Internal resistance of each cell at (a) Fully charged condition (b) Fully discharged condition (c) Floating condition 13. Type, Thickness and materials of

the separators

14. Containers (a) Type (b) Material (c) Outside dimensions (LxBxH) 15. Cover and its type and material 16. Clearance in mm between (a) Top of plates and top of container (b) Bottom of plates and bottom of

container

(c) Edges of plates and inner surface of container.


17. Sediment space (depth) in mm 18. ELECTROLYTE (a) Amount of electrolyte and specific

gravity at 27 deg. C for first filling.

(b) First filling per set with 10% of extra furnished.

(c) Electrolyte conforms to standard (d) Rated specific gravity of electrolyte

when fully charged at rooms temperature of

(i) 15 deg. C (ii) 27 deg. C (iii) 50 deg C. (e) Specific gravity of electrolyte at

the end of discharge at 10 hour discharge rate.

(f) Maximum electrolyte temp. that the cells can withstand without injurious effect.

(i) Continuously (ii) For short period 19. INTER CELL CONNECTOR (a) Whether Inter-cell connector to be

furnished ? (Yes / No)

(b) Type of inter-cell connector (bolted or others)

(c) Materials of inter cell connector 20. (a)

Inter row, inter-tier connectors and end take-off furnished ? (Yes / No)

(b) Description, size, current rating, type and material.

21. RACKS (a) No. of racks per battery (b) No. of cells per rack (c) Type of racks (rows and tiers) (d) Material of the rack (e) Racks provided with (i) Numbering tags for cell (ii) Teak wood clamps for cables (f) Whether anti-acid coating provided

?

(g) Description of rack insulators


(h) Outline dimensions of racks (i) Net weight of racks (j) Shipping weight 22. Recommended rate for charging

the battery in 8 hours. Start Finish

(a) Current (b) Voltage 23. Recommended float charge rate 24. Resistance of the battery including

inter-connector between the cells in ohms.

25. (a)

Maximum short circuit current per battery

(b) Allowable duration of short circuit 26. Short circuit current for a dead

short across the battery terminals when

(a) Float at 2.1 volts per cell. (b) Boost charge to 2.75 volts per cell. 27.(a) Time to full charge at finishing rate

only

(b) Time to full charge at higher starting rate

(c) Time for full charge to charge by two step charging at starting up and finishing rates

28. Guaranteed AH efficiency at 10 hour rate of discharge in percent.

29. Guaranteed WH efficiency at 10 hour rate of discharge in percent.

30. Instructions for filling and initial charging of the battery with finishing and two step charging rates.

31. Recommended interval at which battery should be discharged at 10 hour rate and quick charged.

32. Recommended floating voltage per cell and the minimum variation.

33. Recommended maximum period of storage before the first charge.

34. Average life in years


35. Guaranteed life of battery in years. 36. Estimated life of battery in years. 37. Total shipping weight of battery

units

38. Dimensioned lay-out drawings of the rack and battery to be attached with the tender. (Whether furnished ? Yes / No)

39. The following characteristic curves, to be furnished alongwith the tender (whether furnished)

(a) Battery discharge curves at various rates between one minute and 10 hour rate. (Yes / No.)

(b) Curves showing the relation between the specific gravity and amount of charge in the battery for both charging and discharging conditions. (Yes / No)

(c) Curves showing the relation between cell voltage and charging current when charged at

(i) Finishing rate (Yes/ No) (ii) High starting rate (Yes/ No) (iii) Two step charging by starting and

finishing rate (Yes / No)

(d) Curve of internal resistance at the end of various discharge rates (Whether furnished (Yes / No)


ANNEXURE II

GUARANTEED TECHNICAL PARTICULARS FOR BATTERY CHARGER (220 V D.C. SYSTEM) SUITABLE

FOR SPECIFIED LEAD ACID PLANTE STORAGE BATTERY

(To be filled in by the Bidder)

Values/ Others 1. Manufacturers Name

2. Rated output of the charger

2.1 Voltage (volts)

2.2 Current (amps)

2.3 Power factor

3. Short time rating

4. Type of cooling

5. Hottest stack temperature (0C)

6. Charger dimensions

6.1 Height (mm)

6.2 Depth (mm)

6.3 Width (mm)

6.4 Sheet thickness (mm)

7. Charger weight

8. Charger rated output current

8.1 Float charging mode

8.2 Boost charging mode

9. Load limiter current setting range (Trickle mode)

10. RECTIFIER TRANSFORMER Float Boost


Charger Charger 10.1 Make

10.2 Type

10.3 Rated KVA

10.4 Over current impedance (ohms)

10.5 Input line winding connection

in vector representation

10.6 Rated primary voltage (volts)

10.7 Rated secondary voltage (volts)

10.8 Rated frequency (Hertz.)

10.9 Rated output (amps)

10.10 Turn ratio

10.11 Insulation level

10.12 Impulse withstand test voltage (KVP)

10.13 One minute power frequency over voltage.

(a) Primary winding (KV-rms).

(b) Secondary winding (KV-rms)

10.14 Material of primary winding conductor

10.15 Material of secondary winding conductor

10.16 Size, Cross-sectional area and current density of primary winding conductor.

10.17 Size, cross-sectional area and current density of secondary winding conductor

10.18 No. of turns of primary / phase

10.19 No. of turns of secondary / phase

10.20 Name of the insulating materials used and class

10.21 Core

10.21.1 Name of the core material

10.21.2 Grade of the core

10.21.3 Thickness of core material (mm)

10.22 Maximum temperature rise over an ambient temperature of 500C


(a) Primary Winding (0C) (b) Secondary Winding (0C) (c) Core (0C)

10.23 standards applicable

11.0 RECTIFIER ASSEMBLY :

11.1 Make

11.2 Type of semi conductor material

11.3 Rated direct current per cell (A)

11.4 Rated direct voltage (V)

11.5 Rated input voltage (V)

11.6 Type of connections of rectifier elements.

11.7 Forward power loss and reverse power loss (watts).

11.8 Forward voltage drop and reverse voltage drop (volts)

11.9 Conversion efficiency (%)

11.10 Rated DC output voltage (V)

11.11 Rated AC input voltage (V)

11.12 Rated output current (A)

11.13 Ripple factor

11.14 Voltage factor

11.15 Current factor

11.16 Maximum temperature rise over an ambient temperature of 500C (0C)

11.17 Maximum permissible ambient temperature for guaranteed rating (0C)

11.18 Maximum and minimum permissible humidity rating (%)

11.19 Life expectancy (years)

11.20 Standard(s) applicable

11.21 Characteristic curve of DC output plotted against output current (Whether

submitted ?) Yes / No.

12.0 AUTOMATIC VOLTAGE REGULATOR

12.1 manufacturers name


12.2 Manufacturers type

12.3 Percentage stabilisation of the rectifier with the help of AVR when

(a) Input voltage changes with of its nominal value. (b) DC output of the rectifier varies from no-load to full load.

12.4 Rated output voltage

12.5 Allowable AC frequency fluctuations

12.6 Voltage setting range

12.7 Response time of automatic voltage regulator

13.0 Manual voltage regular (float mode)

13.1 Type

13.2 Voltage setting range

14.0 Boost charging current setting range

15.0 Boost charging limit setting range

16.0 DIODES

16.1 Manufacturers name

16.2 Type of circuit

16.3 Method of construction

16.4 Continuous current rating (Amps.)

16.5 Short time current rating (Amps)

16.6 Type of cooling

16.7 Forward power loss and reverse power less (W)

16.8 Life expectancy

16.9 Forward voltage drop on rated current

16.10 Resistance offered for reverse current flow

16.11 Maximum temperature rise over an ambient temperature of 500 C.

17.0 CONTACTORS / MOULDED CASE CIRCUIT BREAKERS

17.1 Type

17.2 Make

17.3 Rated voltage (V)


17.4 Rated continuous currents (A)

17.5 Contact material

17.6 Operating coil

17.6.1 Voltage (V)

17.6.2 Voltage range and power for closing and holding

17.6.3 Voltage range and power for drop off.

17.7 Thermal trip rating

17.8 Thermal trip time

17.9 Details of CT if any

17.10 Auxiliary contacts

17.10.1 Number

17.10.2 Current rating

17.11 Characteristics of back-up HRC fuse

18.0 RELAYS : 18.1 Make and type of protective and alarm relays

(a) Thermal overload relay

(b) Input under voltage relay

(c) Single phasing alarm relay

(d) Phase reversal relay

(e) D.C. output over-voltage relay

(f) D.C. output under voltage relay

(g) Charger failure relay

(h) Battery earth fault relay

(i) A.C. input failure relay (for connecting the D.C. load)

(j) Fuse failure relay

(k) Alarm accept relay

18.2 Rated voltage of each of the above (a) AC/DC (b) Permissible variation (c) Frequency


18.3 VA burden of each of the above

18.4 Operating time of each of the above

18.5 Time vs current curves of each of the above.

(to be enclosed alongwith the offer)

18.6 Reset time

18.7 Accuracy

18.8 Setting range

18.9 Reset factor

18.10 Number of contacts

(a) Normally open

(b) Normally closed

18.11 Rating of contacts

(a) Rated Voltage (V)

(b) Rated making and breaking

(c) Continuous rating

18.12 No. of operations

18.13 Operation indicator

19.0 INDICATING LAMPS 19.1 Manufacturers name

19.2 Type and designation

19.3 Permissible voltage variation

19.4 Rated power consumption (watts). 19.5 Series resistance, if any 20.0 SWITCHES: 20.1 Manufacturers name

20.2 Ratings

(a) Continuous current

(b) Short circuit making capacity

(c) Breaking capacity


(d) Voltage

20.3 Operating mechanism details

20.4 Type of visual indication

(a) OFF and ON position

(b) Fuse blow out

21.0 FUSES (a) Make

(b) Type

(c) Rating (Amps)

(d) Interrupting rating (KA)

22.0 INSTRUMENTS 22.1 Manufacturers Name

(a) Ammeter

(b) Voltmeter

22.2 Type

(a) Ammeter (b) Voltmeter

22.3 Standard

(a) Ammeter (b) Voltmeter

22.4 Scale range 22.4.1 Ammeter

(a) Float charger (b) Boost charger (c) Battery float (d) Battery boost

22.4.2 Volt meter

(a) Input supply (b) Charger output (c) Load


22.5 Size of dial (a) Volt meter (b) Ammeter

22.6 Accuracy class

(a) Volt meter (b) Ammeter

22.7 Temperature at which calibrated

22.8 Limit of errors

22.9 Out line dimensions

22.10 Type of mounting

22.11 Selector switch for volt meter (AC & DC)

(a) Make

(b) Rating

23.0 CAPACITOR 23.1 Manufacturers name

23.2 Type

23.3 Capacitance (Farad)

23.4 Maximum temperature rise over an ambient temperature of 500C.

24. Reference float voltage at ambient temperature of 270C

25. Whether protection is given for float voltage to Avoid low battery voltage due

to sensor or circuit Malfunction. (Yes/ No)


ANNEXURE IV-A (For Testing of Battery)

(To be filled in by the bidder)

CALIBRATION STATUS OF TESTING EQUIPMENTS AND INSTRUMENTS/ METERS Name of the Test

Meters & Equipments required for the corresponding test with range, accuracy, make & Sl. No.

Date of Calibr-ation

Due date of Calibration

Name of the Calibratig Agency

Whether Calibrating Agency is Govt. approved

Whether documents relating to Govt. approval of the calibrating Agency furnished

Whether the meters/ equipments fulfil the accuracy class as per calibration report.

Whether the calibrating agency has put any limitation towards the use of the particular meter/ equipment. If yes, state the limitations

Whether the calibrating agency has put any limitation towards the use of the particular meter/equip-ment/ meter. State the colour of the affixed sticker

Inspite of imposed limitations. Whether the particular meter / equipment can still be used ? Justify its use for corresponding test(s)

Remarks

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

Signature of the tenderer with seal & date


ANNEXURE IV-B

(For Testing of Battery Charger) (To be filled in by the bidder)

CALIBRATION STATUS OF TESTING EQUIPMENTS AND INSTRUMENTS/ METERS

Name of the Test

Meters & Equipments required for the corresponding test with range, accuracy, make & Sl. No.

Date of Calibr-ation

Due date of Calibration

Name of the Calibratig Agency

Whether Calibrating Agency is Govt. approved

Whether documents relating to Govt. approval of the calibrating Agency furnished

Whether the meters/ equipments fulfil the accuracy class as per calibration report.

Whether the calibrating agency has put any limitation towards the use of the particular meter/ equipment. If yes state the limitations

Whether the calibrating agency has put any limitation towards the use of the particular meter/equip-ment/ meter. State the colour of the affixed sticker

Inspite of imposed limitations. Whether the particular meter / equipment can still be used ? Justify its use for corresponding test(s)

Remarks

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

Signature of the tenderer with seal & date


ANNEXURE V A (To be filled in by the bidder)

CHECK LIST TOWARDS TYPE TEST REPORTS FOR BATTERY

Name of the Type Test

Date of Test

Name of the Laboratory where the Test has been conducted

Whether the Laboratory is Government approved

Whether the Test report is valid as per Spn.

Whether the Test report in complete shape alongwith drawings etc. furnished or not ?

Whether the type tested Plante lead acid battery fulfills the technical requirements as per TS

If the type tested battery does not fulfill the technical requirements as per this specification, whether the bidder agrees to conduct he particular type test again at their own cost without any financial liability to OPTCL in the presence of OPTCLs representative within the specified delivery period

Remarks

1 2 3 4 5 6 7 8 9 Signature of the tenderer with seal & date


ANNEXURE V B

(To be filled in by the bidder) CHECK LIST TOWARDS TYPE TEST REPORTS FOR BATTERY CHARGER

Name of the Type Test

Date of Test

Name of the Laboratory where the Test has been conducted

Whether the Laboratory is Government approved

Whether the Test report is valid as per Spn.

Whether the Test report in complete shape alongwith drawings etc. furnished or not ?

Whether the type tested battery charger fulfills the technical requirements as per TS

If the type tested battery charger does not fulfill the technical requirements as per this specification, whether the bidder agrees to conduct he particular type test again at their own cost without any financial liability to OPTCL in the presence of OPTCLs representative within the specified delivery period

Remarks

1 2 3 4 5 6 7 8 9 Signature of the tenderer with seal & date.



FOR

SF6 AND VACUUM CIRCUIT BREAKERS


GUARANTEED TECHNICAL PARTICULARS FOR CIRCUIT BREAKERS

( To be filled in & furnished by the Bidder , separately for 245kv &145 KV SF6 Circuit Breakers)

1. (a) Makers name and country of manufacture

(b) Manufacturers type Designation

1. Applicable technical standards

2. (a) Rated voltage(kV)

(b) Rated frequency(Hz)

4. Number of Poles

5. Class

6. Rated normal current

(a) Under site conditions(Amps)

(b) Rated (Amps)

7. (a) Rated short circuit breaking current

(i) Rms value of AC component of rated

short circuit current (KA)

(ii) Percentage DC component (iii) Assymetrical Breaking Current at Highest System Voltage (iv) Certificate or report no

(iii) Oscillogram no. (b) Rated short circuit making current (KA peak)

(i) At Higher rated Voltage (ii) At Lower rated Voltage (c) (i) Maximum Breaking capacity Under Phase Opposition(KAP)

(iii) Max Pole discrepancy(ms) (iv) Max arc duration & Corresponding current under lockout

pressure


8. First pole to clear factor

9. Rated transient recovery voltage for terminal faults

(kV peak)

10. Rated characteristics for short line faults.

11. Rated operating sequence

12. Rated duration of short circuit(Sec.)

13. Rated out of phase making & breaking current (kA)

14. (a) Opening time (ms)

(i) Maximum Opening time under any condition (ii) With limiting Voltage & Pressure.

(b) Arcing time (ms)

(i) At 100% rated breaking current (ms)

(ii) At 50% rated breaking current (ms)

(iii) At 25% rated breaking current (ms)

(iv) At 10% rated breaking current (ms)

(v) Maximum arcing time at lowest

fault current (ms).

(c) Break Time (ms)

(i) At 100% rated breaking current (ms)

(ii) At 50% rated breaking current (ms)

(iii) At 25% rated breaking current (ms)

(iv) At 10% rated breaking current (ms)

(v) Maximum break time at lowest

fault current (ms).

(v) Maximum Total Break Time under any duty condition For any current up to rated breaking current with limiting condition of Voltage & Pressure(ms)


(d) Closing time (ms)

(e) Minimum dead time for 3 phase reclosing

(f) Maximum Close Open Time under any condition

With limiting Voltage & Pressure.

(g) Minimum Time Interval between each make/ Break Operation.

15. Rated line charging breaking current (kA)

16. Rated small inductive breaking current (kA)

17. (i)Max. rise of temperature over ambient for

current rating under sl. 6.

(ii)Max. rise of temperature for

Main contacts over design ambient temperature of 50deg C.

18. Interrupting capacity based on duty cycle as per sl. 11.

(a) AC ;component (kA)

(b) Percentage DC component.

19. Latching current (kA)

20. No. of breaks in series per pole.

21. Length of contact travel (mm)

22. Total length of break per pole (mm)

23. Rate of contact travel:

(a) At tripping (metres/sec.)

(b) At closing (metres/sec.)

24. Type of devices, if any, used to obtain

uniform voltage distribution between breaks.


25. Recovery voltage distribution between

breaks in percent of rated voltage.

(a) Single line to ground fault

(b) Interruption on short lines.

(c ) Switching off an unloaded, transformer

26. (i) Type of main contact.

(ii) Number of auxiliary contacts per pole for normal operation(NO & NC) (iii)Number of auxiliary contacts per pole provided for Owners use(NO &

NC) (iv) Current rating of Auxiliary contacts

27. Type of arcing-contacts and/or arc

control device

28. Material of contacts:

i. Main ii. Arcing

iii. Whether contacts are silver plated

iv. Thickness of silver coating mm

v. Contact pressure, kg/sq. mm.

29. Insulation level of the breaker:

(a) 1 minute power frequency withstand voltage kV rms(Dry & Wet)

(i) Between live terminals & Ground (ii) Between terminals with Breaker contacts open

(b) Switching surge withstand test Voltage kV (peak)

- To earth

- Across open contacts

(c ) Lightning impulse withstand test voltage, kV(peak)


- To earth

- Across open contacts

(d) Max. dynamic power frequency over voltage

withstand kV (peak)

30. i) RIV level (Max)

ii) Corona inception voltage (kV rms) iii) Corona extinction voltage (kV rms)

31. Minimum clearances

(a) Between phases (live parts)(mm)

(b) Between live parts and earth (mm)

( c) Total Creepage Distance (i) To ground

(ii) Between Terminals

32. Whether the circuit breaker is fixed trip or trip free

33. Method of closing

(a) Normal (b) Emergency

34. Type of closing mechanism

35. (a) Normal voltage of closing

(b) Pick up range (volts DC)

36. (a) Power at normal voltage of closing mechanism (watts)

(b) Power at 85% of normal voltage of closing mechanism(watts)

(c) No of closing coils in operation

37. Type of tripping mechanism

Number of Tripping Coil

38. (A) Normal voltage of tripping coils(volts)


(a) Power at normal voltage for Tripping coils (watts)

(b) Power at 70% normal voltage for Tripping coils (watts).

(c) No. of tripping coils in operation (d) Pick up range (V DC)

(B) Number of close open operation

(i) possible after failure of AC supply to motor (ii) Time required for motor to charge the closing spring(Sec)

(iii) Wheather indication of spring charged condition will be provided in control cabinet.

39. Arc duration at 100% (ms)

40. Interruption capacity:

a) Opening Arcing time no. of loops and time including resistor current duration (cycle)

Resistor current duration (cycle)

Total length of the arc (mm)

Max. length of the arc (mm)

Total interrupting time measured from instant of trip coil energisation to arc extinction of resistor current (cycles)

b) Closing time measured from instant of application of power to


closing device upto arcing contacts touchings (cycles)

41. Critical current (current giving the longest arc

when a break takes place) (kA)

a) Recovery voltage when circuit breaker tested at 100% rated breaking capacity (kV inst.)

b) Rate of rise of restriking voltage at breaking

i) for 30% breaking capacity (kV/microsecs.)

ii) for 100% breaking capacity (kV/microsecs.)

c) Maximum over-voltage factor of the circuit breaker when switching off.

i) Unloaded transformers

ii) Loaded transformer

iii)Open circuited lines

42. When switching of synchronous systems: (a) Max. current (kA) (b) Max. contacts of 1 pole (kV)

43. No. of openings the circuit breaker is capable of performing without inspection, replacement of contacts or other main parts.

(a) at 50% rated current (b) at 100% rated current

(c ) at current corresponding to 50% rated breaking capacity.

(d ) at current corresponding to 100% rated breaking capacity.


44. (A)a) W eight of complete circuit breaker (Kg).

b) Impact loading for foundation design, to include deed load plus impact value on opening at maximum interrupting ratings, in terms of equivalent static load (Kg.)

c ) Overall dimensions:

Height (mm)

Width (mm)

Length (mm)

(B)- Type & Material of Gasket used to ensure gas tight joints for

(i)Metal to Metal Joint

(ii) Metal to Porcelain Joints

(C ) Type & Make of

a) Density Monitor

b)Pressure Gauge

(D) Density Monitor Setting

a) Lock Out b) Alarm

45. Porcelain:

a) Make b) Type c) Descriptive pamphlet no. d) Weight (kg.) e) Transport dimensions (mm) f) Height above floor, required to remove

porcelain (mm). g) Insulation class h) One minute power frequency withstand,

kV (rms) (dry & wet) i) Flash over voltage (kV) j) Lightning impulse withstand voltage kV

(peak) (dry & wet) k) Switching surge withstand voltage kV

(peak) (wet) l) Corona discharge voltage (kV rms)


m) Creepage distance, total protected (mm) n) Permissible safe cantilever loading on

installed porcelain (Kg.m)

46. (i)Rated pressure of SF6 gas in the c

Date post:	18-Oct-2015
Category:	Documents
Upload:	ranjish007
View:	124 times
Download:	0 times

Optcl System in Orissa 400kv Bid Document

Documents