Tender Ref: CT2008B015 I. …

Tender Ref: CT2008B015

I. AIRCONDITIONING AND VENTILATION SYSTEM

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1 GENERAL SPECIFICATIONS FOR SERVICING & MAINTENANCE 1.1 The Contractor shall supply all materials, labour, appliances and everything

else necessary for maintenance of all the installation at SATS Maintenance

Centre in good working order. 1.2 The works covered in this document is for supply of materials, tools, apparatus,

equipment and appliances, labour and necessary incidentals for the servicing

and maintenance of all the systems and ancillary plant, machineries and

equipment under this Contract during the Defects Liability Period as well as for

the future servicing and maintenance thereof after the Defects Liability Period. 1.3 During the Defects Liability Period, the Installation Contractor shall replace

and/or repair defective plants, machineries and equipment and installations or any part thereof entirely free of charge to SAS whenever directed by the SO if

such repairs or replacements are necessitated by reason of defective design,

materials or workmanship or part thereof replaced during the Defects Liability Period shall carry a fresh warranty for a period of six (6) months or the balance

Defects Liability Period whichever the longer with effect from the date of replacement or competition of repair thereof.

1.4 For servicing and maintenance after the Defects Liability Period, all labour

costs involved in the carrying out of servicing, maintenance, replacement

and/or repair of defective parts or items and the costs of supplying consumable materials (as listed hereinafter), incidentals, materials and of using tools,

apparatus, equipment or appliances required for carrying out such tasks, shall

be deemed to have been included in the prices quoted under this contract for future servicing and maintenance after the Defects Liability Period.

2 REGULATIONS 2.1 All works to be performed under this section, whether by the installation or

Custodian Contractor, shall be strictly in accordance with the best commercial

technical and engineering practice and must be strictly in accordance with the

requirements/recommendations stipulated by all the plant and equipment

manufacturers. The works must also strictly be in compliance with all by-laws,

rules, regulations and requirements of the Local authorities. 2.2 The following are the rules and regulations to be complied by the Contractors:

a) The Electrical Department of The Public Utilities Board Singapore

b) The Fire Safety Bureau and Building Control Division, Singapore

c) The Factory Inspectorate (The Building Operations and Works of

Engineering Construction Regulations 1985)

d) The Factory Inspectorate (Building Operations and Works of

Engineering Construction Regulations 1985)

e) Code of Practices, Singapore



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f) All other authorities having jurisdiction over the installations.

3 WORKMANSHIP a) The works described in this document shall be performed by workmen skilled

in the servicing, maintenance and repair (or replacement) of all the equipment,

plants and machineries and shall be executed in accordance with the best

commercial, technical and engineering practice. b) All fittings equipment and material necessary to service and maintain the

installation shall be new and of the best possible quality of their respective

kinds. c) The Contractor shall provide all necessary labour to carry out the work in a

proper and workmanlike manner and shall complete the work in strict

accordance with the specifications and to the entire satisfaction of

Superintending Officer. 4 MATERIALS

Materials supply shall conform to the relevant Singapore or British Standard

Specifications or Standard as specified. Certificate of origins of any material

shall be produced on demand by the Manager. 5 SERVICING

All servicing shall comply with the recommendations of the equipment

manufacturers.



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1 GENERAL WORKS SPECIFICATION

At each monthly inspection and service of the complete Airconditioning and

Ventilation System include all plant and Ancillary Equipment, AHUs, all type of

FCUs and fans.

The servicing and maintenance of equipment shall according to their

maintenance manual as recommended by the manufacturer to ensure that the

equipment operates efficiently.

The ACMV system of the building should also be inspected with regards to the

functions which are significant for good indoor air quality. The frequency of

which inspection should be in accordance to the latest related guidelines issued

by ENV(Ministry of Environment).

1.1 The following minimum items of work detailed below shall be performed by the

Contractor.

1.1.1 Maintenance Schedule for Chiller & Refrigerant System Equipment.

(a) Maintenance Schedule for Chiller

(i) Daily

ITEMS REMARKS

Vane Operating

Oil Level

Compressor Oil Temperature

Oil Pressure

Sound & Vibration

Current

Main Meter Voltage

Sound & Vibration As per manufacturer s

Flow Rate recommendation

Evaporator Pressure

Outlet Temperature

Flow Rate

Condenser Pressure

Inlet Temperature

Motorised Control Operation of Control valve

Valve



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(ii) Monthly

General

(a) Review previous month s operation log records.

(b) Check operation condition against design. Oil reservoir level Oil pressure and temperature Evaporator refrigerant temperature/pressure Condenser refrigerant temperature/pressure Bearing Temperature Circulating water temperature and pressure drop

(c) Check for sign of temperature leakage and remedy if

necessary

(d) Ensure Proper guide vane linkage (e) Check chiller essential safety controls, motorise control valve,

calibrate temperature sensor, pressure sensor etc.

ITEMS REMARKS

Chilled Water

Evaporator Analysis

Strainer Cleaning

Cooling Water As per manufacturer s

Condenser Analysis Recommendation

Strainer Cleaning

General Checking & Analysis for

Operating condition



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(iii) Monthly

ITEMS REMARKS

Vibration Measurement

Compressor Oil heater & Oil Pump

Meggering As per manufacturer s

Main Motor Vibration Measurement Specifications

Meggering

Starter Meggering

Control Panel Meggering

(iv) Yearly (Annual Shutdown Maintenance)

General

(a) Pump down the machine and replace refrigerant filter and

volute drain filter

(b) Dismantle oil pump for servicing. Clean up oil pump chamber. Replace filter and refill with new oil.

(c) Remove condenser water end cover and inspect for abnormalities. All condenser tubes shall be brushed and cleaned mechanically.

(d) Float chamber shall be serviced. (e) Safety controls shall be tested and recalibrated to specific

setting to ensure proper operations.

ITEMS REMARKS

Lubricating Oil Replace

Compressor Oil Strainer Replace

Strainer for Cleaning

Oil recover system

Ref.cycle Refrigerant strainer Cleaning

Leak Test By Leak Tester or Soap Water

Starter Function checking Looseness, Disconnection,

Safety Devices

Test & Calibration

Contactor Point

Frequency for Condenser & Evaporator tube cleaning may vary depending on

site condition.



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(v) Overhaul

ITEMS REMARKS

Compressor Overhaul As per manufacturer s Main Motor Overhaul recommendation

Schedule of Work Frequency of Maintenance

I Check control Centre Monthly

Ii Check entering and leaving condenser/chilled Monthly water pressure and temperature with job design

conditions

Iii Check the bearing oil pressure, temperature and Monthly

oil level in the oil sump.

Iv Check the liquid refrigerant temperature leaving Monthly the

Condenser

V Check the compressor discharge temperature Monthly

Vi Check the compressor motor voltage and Monthly

amperage at starter

Vii Check for any signs of dirty or foul condenser Monthly

water

Viii Check control voltage within operation limitation Monthly

Ix Check the refrigerant level in cooler Monthly

X Change the purge unit filter drier Quarterly

Xi Check and clean purge foul gas strainer Quarterly

Xii Perform chemical analysis of oil Semi-annually



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Xiii Change and inspect compressor oil filter Semi-annually

Element

Xiv Check oil return system and change educator Monthly

filter drier, if necessary

Xv Perform leak check Monthly

Xvi Check control and safety cutouts Yearly

Xvii Drain and replace the compressor oil in the Yearly

compressor oil sump

Xviii Change motor cooling liquid line filter element Yearly

Xix Drain and flush oil and refrigerant from purge Yearly

shell

Xiii Change and inspect compressor oil filter Semi-annually element

Xx Meg Compressor Windings Yearly

Xv Perform leak check Monthly

Xvi Check control and safety cutouts Yearly

Xxi Inspect and clean strainers, tubes an end sheets Yearly

Xxii Inspect and service electrical components Monthly

Xxiii Inspect, brush and clean all the condensed Yearly

tubes

Xxiv Wipe down equipment ensure it’s free of dust Semi-annually

Xxv Paint chiller room with 2 coat of white emulsion paint (paint provided by the Company) Yearly

(b) Guide On Refrigerant Equipment Maintenance Schedule

(c) Maintenance Schedule For Heat Machine (Monthly)

(i) Lubrication System - Oil reservoir level - Pressure gauges - Oil suction and discharge pressure - Corresponding temperatures

(ii) Electrical Control Centre

- Main starter equipment - Switch contact for auxiliary equipment



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(iii) Refrigerant system for leaks

(iv) Noise, vibration, isolators etc

(v) Any other works according to manufacturer s recommendation.

(d) Annual Shut Down I Compressor

The compressor inspection cover shall be opened up and visually inspected

for signs of wear on the gear teeth. Parts worn or scored shall be

recommended for replacement. Ii Refrigerant Filter

The refrigerant filter and volute drain filters will be changed. Supply of filter

included as part of the annual maintenance. Iii Oil Change

Oil and filters will be changed. The oil cooler solenoid, screed and magnetic

plug will be cleaned. Supply of oil and filters are included as part of the annual

maintenance. Iv Condenser

The unishell condenser end plates will be opened up and all tubes cleaned

brushing. Shell and tubes will be examined for rust and scale built up. V Dehydrator

The Dehydrator Chamber will be opened, inspected and cleaned. Float valve

plunger and seat will be checked for wear and score.



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Vi Purge System

The Purge Unit will be tested for correct operation, and the purge chamber and

float valve will be cleaned. Float valve, plunger and seat will be checked for

wear and score. Inlet and exhaust valves of the purge pump will be inspected

and if found defective, will be recommended for replacement. Vii Guide Vane Linkage

The linkage will be checked for correct operation and adjustment made. Viii Safe/Controls

The oil low temperature switch, oil low pressure cutouts, cooler low pressure

cutout, condenser high pressure cutout and recycle switch will be checked for

correct operation at specified temperature and pressure. Ix Electrical Switches & Contactors

The Condition of all contactor contacts will be checked and cleaned up.

Contractors reduced to half the original thickness will be recommended for

replacement. Contactors wil be checked for freedom of movement and pivots

will be oiled. All electrical connections will be tightened every three months, to

prevent sparking and arching, etc. X Electrical Swichgears (ACBs)

The maintenance shall comprise the following works:-

(a) General cleaning of busbar compartment inclusive of busbar length,

dropper and insulator.

(b) Tightening of all bolts and nuts and check tightness using torgue

wrench to the specific torgue as per manufacturer instruction manual.

(c) Functional check of earthing switch and other mechanical/electrical

interlocks for correct and proper operation.



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(d) Secondary Injection Test on Relay at setting.

(e) AC Pressure Test between phases and phases and earth for all

components. 1.1.2 Maintenance Schedule for Water Pumps (Condensor and Chiller Water and

Others)

(a) Inspect all water pumps and

(i) Check all seals, glands and pipe lines for leaks, and rectify as

necessary.

(ii) Re-pack and adjust pump glands as necessary.

(iii) Check all pumps bearings and lubricate with oil or grease as

necessary.

(iv) Check the alignment and condition of all rubber couplings

between pumps and drive motors and rectify as necessary.

(v) Clean and clear all chokage of pump drain pipes.

(vi) Check all bolts and nuts for tightness and tighten as necessary.

(b) Condenser Pump

(i) Check pump mechanical seals, packing gland and pipeline for

leakage and rectify or tighten up if necessary.

(ii) Check and clean strainer if necessary.

(iii) Check shaft coupling and bearings and lubricate.

(iv) Check motor for proper operation

(v) Check pump coupling alignment and condition of rubber

coupling.

(vi) Check noise and vibration, rectify when necessary.

(c) Chilled Water Pump

(i) Check pump mechanical seals, packing gland and pipeline for

leakage and rectify or tighten up if necessary.

(ii) Check and clean strainer if necessary.

(iii) Check shaft coupling and bearings.



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(iv) Check motor for proper operations.

(v) Check pump coupling alignment and condition of rubber

coupling.

(vi) Check noise and vibration, rectify when necessary.

1.1.3 Maintenance Schedule for Cooling Towers (a) Inspect all water cooling towers and

(i) Check all fan bearings and lubricate with grease as necessary.

(ii) Check and service motorised valves, clean strainers.

(iii) Check and adjust water inlet valves, water level sensor.

(iv) Touch up and paint rusty parts.

(v) Check and clean sump pan, strainer and all water screens.

(vi) Check and adjust float valve for proper operation.

(vii) Check belt tension and tighten if necessary.

(viii) Check oil level of gear box to top up if necessary.

(ix) Check fan blades and motor mounting for vibration.

(x) Check motor operation.

(xi) Drain, clean and flush out the water basin.

(xii) Check noise and vibration, rectify when necessary.



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1.1.4 Maintenance Schedule for AHUs, CPUs and FCUs (a) Inspect all air handling units and fans and

(i) Check all filters and clean filters as necessary.

(ii) Check all water coils, seals and pipe lines for leaks and rectify as

necessary.

(iii) Purge air from all water coils.

(iv) Check the fan bearings, and lubricate with grease as necessary.

(v) Check the tension of all belt drives and adjust as necessary.

(vi) Check the operation of automatic water regulating valves, and clean,

adjust and lubricate as necessary.

(vii) Clean all the condensation pans, trays and drains.

(viii) Clean cooling coils.

(ix) Clean housings and motors.

(x) Replace defective parts (if any) ie. Pressure gauge, temperature gauge

etc.

(xi) Paint rusty part (if any).

(xii) Check housing and chilled water pipe insulation.

(xiii) Check calibrate temperature sensor, pressure differential unit.

(xiv) Clean housing exterior and interior, ensure it’s free of dust

(xv) Paint AHU room with 2 coat of white emulsion paint (paint by the Company, annually)

(b) Automatic Temperature Controls.

The following procedures shall be performed as follows:

(i) Inspection cooling

Fan Systems and HVAC Unit Controls

- Review Sequence of operation

- Check all dampers and lubricate

- Check Pilot Positioners



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- Check all control valves

- Calibrate all controllers

- Calibrate all transmitters and receiver gauges

- Check all solenoid air valves, PE switches and air valves.

- Check all auxilliary control devices.

- Clean/wipe down panel face

(ii) Annual Inspection Cooling

- Check all room status

- Check operation for all dampers and lubricate (c) Maintenance Schedule for AHUs/FCUs ( MONTHLY)

- Check cooling coil of AHU/FCU. - Check all air filter; clean and change filters when necessary. - Check and clean condensate drip tray and flush drain pipe - Insert fan belts and adjust belt tension. - Lubricate linkages, fan and motor bearings. - Check and clean blower fan and housings. - Check unit panel for corrosion, air leakages and damaged internal

insulation. - Check motorised valve for correct operation corresponding to the

thermostat. - Check motor operation and record running ampere. - Check starter panel for correct operation of timers, contactors

electrical and overload trip. - Check electrical contacts and tighten all screws, bolts and nuts. - Check condition of vibration isolators. - Check operation of all damper etc, adjust and lubricate when

necessary. - Check flexible connection, rectify or replace when necessary. - Check water coils cleanliness. - Check any water leakage from coil, pipe line or valve and rectify

when necessary.



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1.1.4 Maintenance Schedule for AHUs, CPUs and FCUs (Cont'd)

(c) Maintenance Schedule for AHUs/FCUs (MONTHLY) (Cont'd)

Blow out all dirt pockets and clear the strainer. Purge air from water coils.

Check operation of control valve against off coil temperature setting.

Clean/adjust and lubricate when necessary.

Clean drain pan and check drain pipe.

Check pipe insulation condition, rectify or replace when necessary.

Check supply and return air grilles (for FCU only).

Check casing condition and external insulation (for FCU only). 1.1.5 Maintenance Schedule for Fans

(a) All ventilation fans should be inspected and checked on the followings:

(i) Operation of timers and tighten knobs.

(ii) Test the operation of fans.

(iii) Fan belts (if any) and adjust belt tension if necessary.

(iv) Ductworks leakages.

(v) Flexible connections for correct adjustment and leakages.

(vi) Supports and adjust as necessary.

(vii) Touch up and paint all rusty parts.

(b) Clean equipment housing every 2 monthly.

(c) Check voltage and running ampere monthly.

(d) Check control panel and indicating light monthly.

(e) Check fan bearings and lubrication with grease monthly. (f) Motor insulation test every 6 monthly.

(g) Check for abnormal noise and vibration monthly during operation and rectify when

necessary.



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1.1.5 Maintenance Schedule for Fans (Cont'd)

(i) Check tension for all belt drives (apply for centrifugal fan).

(j) Check operation of all damper etc, adjust and lubricate when necessary. 1.1.6 Maintenance Schedule for Electrical Equipment, Control Panel & Motors etc

(a) Schedule For Electrical Equipment

The following items of work shall be performed once a month:

i. Inspect all electric motors, and

Check all motor bearings, and lubricate with grease as and when necessary.

Check and renew carbon brushes and slip rings of all motors as and when necessary (if any).

Check safety devices fitted to all motors, and clean, adjust and lubricate as and when necessary.

ii. Inspect and check the routine operation of all electrical starters, electrical control

gears, and ancillary apparatus, and

Clear, adjust and lubricate all bearings, pivots and other moving parts

as and when necessary.

Clean or renew electric contactors as and when necessary.

iii. Inspect and check the routine operation of all automatic control gears and relays and

Clean, adjust and lubricate all bearings, pivots and other moving parts as and when necessary.

Clean or renew electric contactors as and when necessary.

Renew electric fuses as and when necessary iv. Inspect meters, gauges and safety controls and adjust when necessary.



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1.1.6 Maintenance Schedule for Electrical Equipment, Control Panel & Motors etc (Cont'd)

v. Inspect all control panels, alarm panels, supervisory data panels, sub-

panels, etc., and

Check the routine operation of all contactors, MCCBs, relays, ELCBs, time switches etc.

Clean and adjust pivots and other moving parts or relays, contactors, time switches.

Tighten all connections, joints, terminations, etc.

Replace blown indicating lamps.

Test the earth resistance value of the main earthing system.

Clean all panels.

Check battery voltage and terminals.

Top up battery water as and when necessary.

Test all indicating lamps and alarm circuits.

(b) Monthly

(i) Inspect all electric motor wire termination tightness.

(ii) Inspect and check electrical starter, electrical control and overload setting.

(iii) Check current consumption of the motor is within nameplate limit.

(iv) Check all indicating light and motor protection.

1.1.7 Maintenance Schedule for Others

(a) Chilled Water Tank

Inspect all chilled water storage and expansion tanks, and drain, clean and flush out the tanks as necessary.



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1.1.7 Maintenance Schedule for Others (Cont'd)

(b) A/C Outlets/Grilles

Wipe clean with damp cloth and then use dry cloth to wipe all airconditioning and ventilation diffusers, supply, return and exhaust grilles and extractor fans.

1.1.8 Maintenance Schedule for Heat Machine/Humidifiers

(a) Monthly

(i) Lubrication System

Oil reservoir level

Pressure gauges

Oil suction and discharge pressure

Corresponding temperatures

(ii) Electrical Control Centre

Main starter equipment Switch contact for auxiliary equipment

(iii) Refrigerant system for leaks.

(iv) Noise, vibration, isolators etc.

(v) Any other works according to manufacturer's recommendation. 1.1.9 Maintenance Schedule for Air-Compressor

(a) Check cleanliness of the room, ensure that any oil spillage is wiped up immediately and

any residual oil cleaned from external surfaces.

(b) Recording pressure and temperature. (c) Check and inspect the unit for leaks, loose pipe connections. Rectify/replace when

necessary.

(d) Check and clean strainers and filter must be maintained in a clean condition. (e) Check lubricating oil level ensures in correct level.



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1.1.9 Maintenance Schedule for Air-Compressor (Cont'd)

(f) Check compressor safety devices. (g) Annual submission to Approve Authorities for inspection and obtain Safety Certificate

or Certificate of Fitness.

1.1.10 Maintenance Schedule for Air-Dryers (a) Weekly

(i) Check the dewpoint. (ii) Check that the condensate discharge is operating correctly by pressing manual

override button.

(b) Monthly

(i) Check the top of the casing is not too heat (about 50 deg C), when air dryer in operation.

(ii) Check current consumption of the compressor is within nameplate limits. (iii) Check the condenser fins and check that the ventilated panels are free of dirt

and any other obstructions.

2 ADDITIONAL SERVICE

In addition to the regular weekly/monthly inspection and service, the Contractor shall also perform the following items of work:

(a) Every 3 months, check and analyse the oil and refrigerant or all water chilling

units and replace the oil and refrigerant if necessary.

(b) Every 3 months, check and balance outside air quantities for all air handling

units.

(c) Every 3 months, clean electrical contacts and motor slip-ring. Tighten all screws

and adjust carbon brushes where necessary (if any).

(d) Every 3 months, check and comb dented fins and coils chemical cleaning (if

necessary) for all air handling units, fan coil units and window units.

(e) Every 3 months, check for deterioration of blower fan wheel and housing, align

drive shaft if necessary for all air handling units and fan coil units.



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2 ADDITIONAL SERVICE

(f) Every 6 months, check and clean all strainers on pipework.

(g) Every 12 months, clean cooling coil of AHU with high water jet or steam with chemical and thorough rinse.

(h) Every 12 months, check and balance water flow rates for all equipment.

(i) Once a year, wire brush with cleaning agent the condenser tubes on the chiller

set. To

liaise with the Manager for the cleaning.

(j) Conduct an annual shutdown for chillers and calibrate chiller controller,

protection devices, temperature sensors etc.

(k) Calibrate all room thermostat, VAV controls and temperature sensors.

(1) Balancing of air-flow in offices (if required).

(m) Calibrate VSD controller.

(n) Calibrate computer room's air-conditioner (Liebert Unit) controller.

3 CONSUMABLE MATERIALS

The Contractor shall supply the following consumable materials without charge as and when required:

(a) All oils and greases required for lubrication of compressors, fan bearings, motor

bearings, pivots and other moving parts.

(b) All dry nitrogen and refrigerant required to replace refrigerant losses in all

refrigerant system.

(c) All coil cleaning chemical to clean evaporator coil to all air-conditioning

equipment and mechanical ventilating fans.

(d) All cotton waste, soap detergent and other cleaning materials required for

cleaning purposes.

(e) All carbon brushes required to replace worn brushes in electric motors.

(f) All electric contact points required to replace worn electric contact points in

switchgears, electric control gears and electric relays.

(g) All electric fuses and indicating bulbs required to replace blown fuses and bulbs.



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Maintenance Schedule for Split Unit/Window Units (Monthly) Check and clean condenser coil

Check condenser motor and fan

Check system pressure and running ampere

Check for refrigerant leaking

Check for overheating of compressors

Check for abnormal noise and vibration

Check expansion valve at evaporator coil

Check and clean evaporator coil

Check motor and fan operation

Check and clean air filter

Check remote controller functionality

Check and clean drain pan

Flush drain pipe whenever necessary

Check and clean equipment housing

Housekeeping

II. ELECTRICAL SERVICES

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1 WORK SPECIFICATION FOR ELECTRICAL LICENSING 1.1 Scope of Work (a) Monthly general inspection of installations. (b) Quarterly inspection of installation by Licensing/Switching Engineer. (c) Yearly checking/Testing of the main earth and issuance of Certificate of Fitness. (d) Authorisation of Superintending Officer on the day-to-day supervision and

operation of the installation. (e) Inspection Reports are to be forwarded to the Employer within one (1) week from

the date of inspection. (f) The response time including traveling for emergency calls shall be within one (1)

hour. 1.2 The Contractor shall act as Licensed Engineer/Worker to take charge of the

electrical installations at the premises in accordance with P.U.B requirements. 1.3 The Contractor shall check and inspect in general the electrical installations at the

premises. 1.4 The Contractor shall recommend modifications and rectification to existing

electrical installations if required to comply with P.U.B requirements. 1.5 The Contractor shall advise the Employer electrical workers on the regular

maintenance works in accordance with preventative maintenance schedule. 1.6 The Contractor shall keep an up-to-date set of as built electrical drawings of the

premises provided by the Employer for the purpose of maintaining up-to-date

record of all modifications, rectifications and addition works to the existing electrical

installations. 2 MAINTENANCE SPECIFICATIONS 2.1 Overhaul of Vacuum Breaker/Interrupter Units

Overhaul shall comply with manufacturer s recommendation.


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2.1 Overhaul shall comply with manufacturer s recommendation (Cont d)

The following testings are included:

(a) Insulation Resistance Test shall be carried out with a 5kV megger between phases

and between phase and earth on the specified parts of the switchgear. (b) AC Pressure Test shall be made between phases and between phase and earth

for all components. (e.g. busbar, circuit breaker). A reduced AC voltage of 33kV

shall be applied for a duration of 1 min. (c) Secondary Injection Test shall be carried out for all relays at its original settings.

The tests shall include checking of all relay contacts, operation of indicators, trip

and inter-trip circuit measurement of relay pick-up and drop-off voltages. (d) Contact Resistance Test shall be carried out for each of the three poles of the main

circuits. The measured value of milli-volt drop shall not exceed 12 milli-volts for an

injected DC current of 100A. 2.2 Maintenance of Switchgear Cubicle

This shall comprise the following items of work:

(a) General cleaning of busbar compartment inclusive of busbar length, dropper and

spout insulator. (b) Tightening of all bolts and nuts and check tightness using torque wrench to the

specific torque s per manufacturer s instruction manual. (c) Cleaning of cable compartment including the CTs and cable termination and

sealing of gaps in cable opening with silicone sealant. (d) Checking and tightening protection and control wiring. (e) Functional check of earthling switch and other mechanical/electrical interlocks for

correct and proper operation. (f) Checking space heaters, shutters and locking devices for correct operation. (g) Secondary Injection Test on Relay at setting.


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(h) AC Pressure Test shall be made between phases and between phase and earth for

all components( e.g. busbar, circuit breaker). 2.3 Maintenance of Circuit Breaker

This shall comprise the following items of work: (a) General cleaning of interrupter pole and carriage. (b) Checking for oil leakage for OCB and gas leakage for GCB. (c) Replace OCB oil and seal for OCB only. (d) Checking and lubricating operating mechanism and limit switches. (e) Contact Resistance Test (f) Checking on CB interlock. (g) Function and trip test. (h) AC test to check for inception of corone discharges with CB on .

Note : In this test, all interrupters of each CB Are allowed to be tested at the same time.

(i) AC test with CB Open .

Note: In this test, all interrupters of each CB Are allowed to be tested at the same time.

3 SERVICING SCHEDULE FOR HT/LT SERVICING

3.1 Metal Enclosure (a) Clean and inspect. (b) Clean and ventilation grilles. (c) Touch up corroded metal surfaces (d) Replace missing screws and name plate when necessary.


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3.2 Busbar (a) Check for any signs of overheating and loose connection (b) Tighten loose bolts and nuts. (c) Perform insulation test of main panel and submit test reports. 3.3 Air Circuit Breaker and Coupler (a) Clean and remove loose external dirt. (b) Check and clean insulation (c) Clean and examine isolating contacts. (d) Examine and recondition contacts. (e) Clean and examine arc-controls devices. (f) Check, clean and lubricate mechanism. (g) Check ancillary switches, indicating devices and interlocks for correct functioning. (h) Check and clean cable terminators. 3.4 Contactors

(a) Check and rectify all abnormality (b) Check for burn and other damages. (c) Check and remove loose external dirt. (d) Check for normal operation (e) Check and tighten all loose connections. (f) Check and examine arc-control devices. (g) Replace damaged contacts.

3.5 Moulded Case Circuit Breaker

(a) Clean and remove loose external dirt. (b) Check and clean insulation (c) Check contacts (d) Check, clean mechanism and replace worn parts. (e) Check fuses and fuse links (f) Check and clean cable terminations (g) Check ancillary equipment, if applicable

3.6 Meters, Indicating lights and Selector Switches

(a) Check for normal operation. 3.7 Protective Relays (a) Perform P/I test for overcurrent and earth fault inclusive C/T spill current in

accordance to PUB requirement and submit test reports.


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3.8 Switchroom

(a) Clean up the switchroom after servicing. 3.9 LT Electrical System

(a) Works to be performed bi-monthly (Standard)

A bi-monthly inspection of the installation shall be carried out and any

abnormalities in operation shall be noted and rectified. Particular attention shall

be paid to the following:-

(i) Overheating of busbars, cables, parts and termination. (ii) Damage to insulation (iii) Overloading in circuits (iv) Proper functioning of all indicator lights, meters, etc. at switchboard and

distribution boards. (v) Ingress of water into switchboards, distribution boards,trunking,etc

(b) Works to be performed every 6 month (Standard)

(i) Electrical Installation

Check, service and rectify any defects in:-

(aa) Cable connection and termination. (bb) Sub-main cabling and final sub-circuit. (cc) Main Switchboards and distribution switchboards

inclusive circuit breakers, contactor,etc. (dd) All operating and control equipment (ee) Earthing & Lighting Protection System (ff) Protection relays and equipment. (gg) Measuring instruments, including lights,etc (hh) Normal & emergency lighting luminaries.

(ii) Transformer

Cast-Resin Transformer are generally maintenance free

Work to be performed every 6 months

(aa) Check cooling fan wiring and monitoring equipment for

proper operation condition.

(bb) In case of dusty environments, ensure cooling ducts is not

clogged. Cleaning is done with the aid of compressed-air

vacuum cleaner and dry cloths.


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(cc) Check all temperature instrumentation circuits and ensure

temperature monitoring with pte thermistor system is

normal.

(dd) Visual checking of all connections for correct degree of

tightens.

(ee) Perform routine insulations resistance measurements and

note values.

(iii) HT Switchgears-Ordinary check

(aa) Visual Check.

(bb) Check for arc traces & discoloration

(cc) Check spring, close, trip circuit breaker manually to make certain that the ON OFF indicator work right.

(dd) Visual check on relay for dirty or dust.

(c ) Works to be Performed Yearly

(i) LV Main Switchboard & LV Installation

(aa) Perform dust removal operation of all areas.

(bb) Check all the control wiring and test the control function of

relays.

(cc) Check all connections for correct degree of tightness.

(dd) Cleaning of busbar system and re-tightening of busbar

system joints.

(ee) Check and tightened all earth connections and terminals.

(ff) Simulate relays of ELCBs.

(gg) Test and check all Exit and Emergency lightings are in

operating condition.

(hh) Repaint switchrooms


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II ELECTRICAL SERVICES 3.10 HV Switchgear (a) Works to be performed yearly

(i) General cleaning of busbar, dropper and spout insulator. (ii) Tightening of all bolts and nuts using torque wrench as per

manufacturer instruction manual. (iii) Functional check of earthing switch and other M & E

interlocks for correct and proper operations. (iv) Checking space heaters, shutters and locking devices for

correct operation (v) S.I.Test on relay at setting. (vi) Reduced AC Pressure test. (vii) Maintenance of Circuit Breaker which comprises:-

(aa) General cleaning of interruptor pole and carriage. (bb) Checking and lubricating operating mechanism

and limit switches (cc) Checking of vacuum leakage for VCB. (dd) Contact resistance test (ee) Checking on CB interlock. (ff) Function and trip test. (gg) AC test to check for inspection of corona discharge

with CB on . 4 MAINTENANCE SCHEDULE FOR THE STANDBY GENERATOR SET

4.1 General

The services and maintenance shall include the complete system and its accessories equipment eg. Sump pump, fuel tank fuel transfer pump and its control panel. The contractor shall ensure that the standby generating set is maintained and tested accordance with the recommendations specified in this Code and with any additional test or service procedures which may be required by the relevant authority or the supplier of the standby generating set. The results of any inspection or services carried out shall be recorded in the appropriate log book.

4.2 Weekly Tests

The following tests and checks shall be made every week:

(a) Check the levels of fuel, engine lubrication oil and coolant and

replenish where necessary.

(b) Examine fuel oil and coolant systems for leaks (c) Check starter battery and water pump condition and top up

electrolyte where necessary. Record battery voltage and charging current.


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(d) Start the engine and bring unit up to normal operating temperature

and allow to run for half and hour. Record gauge and meter

readings in log book when engine has been shut down. This weekly

running up shall take on the building load at least once in two

weeks. (e) Ensure that the controls are set for automatic operation (f) Check for faulty gauges and protection system.

4.3 Quarterly Test

The following tests and checks shall be made quarterly:

(a) Before starting engine the following tests and checks shall be made

on the engine:-

(i ) Check radiator water level, leaks in the cooling water pipes and radiator

if any. Ensure that the correct level of coolant is maintained by

topping up and make good any leakage on the cooling water pipes

and radiator.

(ii) Check the engine lubricating oil level, in the sump by means of dip-

stick and ensure that the correct level of oil is maintained by topping

up where necessary. Also check for leaks in the lubricating oil

tubes; and leakage must be made good.

(iii) Check conditions of air cleaners, fuel oil filter elements and

lubricating oil filter elements, and change if necessary.

(iv) Check fuel oil levels and leaks in the fuel tanks and fuel oil pipes.

Refill fuel tank with fuel and drain away and sludge which has

collected. Any leakage on the fuel oil pipes must be made good.

(vi) Check starter battery condition, record the specific gravity of electrolyte, and maintained the correct water level by topping up where necessary. Clean and grease battery terminals. Checks the battery charger and record the battery voltage and charging current.

(vii) Check condition of vee belts and replace if worn or damaged.


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(viii) Check the following gauges and meters, where installed ,for damage

and replace if necessary:

(aa) Lubricating oil pressure gauge. (bb) Cooling water temperature gauge. (cc) Tachmometer (dd) Ammeter (ee) Exhaust gas thermometer.

(b) The following tests and checks shall be made on the alternator

before starting the engine.

(i) Remove all covers and clean the alternator using vacuum

cleaner.

(ii) Clean the rotor, rectified assembly, brushholder, etc.

(iii) Check all electrical connections and leads for sign of

overheating and deterioration. Any defect found is to be

rectified.

(iv) Check all electrical components for insulation breakdown or

deterioration. Repair or renew if necessary.

(v) Check and tighten all electrical connections and terminals.

Missing screws and nuts must be replaced.

(vi) Insulation test. Disconnect rectifier assembly electrically.

Using a 500V insulation tester, check the insulation on all

rotor and starter circuitry. Minimum acceptable reading is

5M. Reconnect the rectifier assembly on completion of the

test.

(vii) For brush-type generators, check the slip rings for burning

or scorching; also check the alternator brushes if applicable;

replace where necessary.

(c ) The following tests and checks shall be made on the generator set control board before starting the engine.

(i) Remove the covers and panels, clean off the dust using a

soft brush and vacuum cleaner.


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(ii) Check all accessible fixed and moving contacts for

wear, clean or replace if necessary.

(iii) Check and tighten all connections of the input,

output and power leads. Remove any corrosion

present.

(iv) Check all cables for damages or deterioration and

change if necessary.

(v) Check the condition and operation of all the control

gears/switches, clean the gears/switches and

ensure that all connections are tight. Renew any

gear/switches found defective.

(vi) Check that all fuses are of the correct value and are

screwed down tight. Check all indicating lamps and

holders. Defective items are to be replaced.

(vii) Test the insulation resistance using a 500V

insulation tester. Minimum acceptable readings are:

(aa) Bus-bar - 5M (bb) Interconnecting cables - 5M (cc) Power cables for all services - 5M

(dd) Instruments and low voltage - 1M

(d) The following tests shall be made after setting all lifts to the 1st storey to

avoid interrupting lifts in operation.

Simulate power failure and check automatic startup of generator and

change-over to supply the building load.

(e) The following tests and checks shall be made after the engine has been

running on building load for 15 minutes.

(i) Check and record the following items in the log book:

(aa) Oil pressure (bb) Fuel Pressure (cc) Water temperature (dd) Generator output (voltage) (ee) Battery charger ammeter (ff) Hours counter

(ii) Check,record and adjust engine rpm(frequency).


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(iii) Check AVR and adjust voltage sensitivity (if required)

(iv) Check for any leakage or unusual performance ( such as noise)

(v) Check colour of exhaust smoke. (vi) Check that all meters especially the following meters and

gauges are working:

(aa) Cooling temperature gauge (bb) Lubricating oil pressure gauge (cc) Tachometer (dd) Ammeter (ee) Voltmeter

(vii) Check that all indicating lights are functioning, and replace

blown out bulbs. This test must be performed on no-load

running.

(viii) Check the following protective settings:

(aa) High water temperature trip (bb) Low lubricating oil pressure trip (cc) Overspeed trip

(f) The following tests and checks shall be made after stopping the engine:

(i) Check and ensure that all switches, relays and safety

contactors are properly tighten and are in correct positions

for automatic starting. (ii) Check fuel level in tank and refill if necessary. (iii) Check and record battery voltage and charging current. (iv) Check the following pipes and joints for signs of leakage,

and make good if necessary.

(aa) Cooling water pipes (bb) Lubricating oil cooling pipes (cc) Fuel oil pipes

(v) Check battery lugs and terminals. (vi) Check fan belt condition.

4.4 Half-yearly Test

In addition to the quarterly tests specified above, the following inspection and test

procedures shall be carried out every six months: (a) Grease fan bearing and water pump bearing. (b) Drain out radiator water and change (Add additives after changing) (c) Check air cleaners and fuel oil filters. (d) Check governor linkage for smooth operation.


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4.5 Annual Tests

The annual test shall consist of all the inspection and testing procedures specified

for the quarterly test, half-yearly test and any other servicing or testing procedures

as recommended by the supplier of the generating set.

In addition the following inspection and testing procedure shall be carried out

annually: (a) Check the condition of lubrication oil. Drain out and fill up with fresh lubricating oil

if necessary.

(b) Replace the lubricating oil filters whenever there is a change of lubricating oil.

Notwithstanding the above, the lubricating oil and its filters must be changed at

least once in three years. 4.6 Maintenance Schedule for Diesel Engine (Manufacturer s Requirement) (Where

Applicable)

The maintenance schedule shall comply with manufacturer s recommendation.Low

operating and maintenance costs as well as operational reliability and availability

depend on maintenance and servicing in compliance with our specifications and

instruction.

Moreover it is important that:-

Maintenance services be performed by trained personnel; Suitable tools be employed Genuine spare parts as well as fluids and lubricants as per our fluids and

appropriate lubricants be used.

The product support service will always be available should assistance be needed.

Time intervals and services given based on operation experience and are intended

to serve as a guide, particular operating conditions may require the Maintenance

Schedule to be altered to compensate.

Preventative Maintenance Instructions

Special care should be exercised to keep the power plant in a clean serviceable

condition at all times to facilitates discovery of possible leaks and prevent

subsequent damages. Never treat rubber or synthetic parts with chemicals. Wipe with dry cloth only.


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Maintenance Concept

Maintenance concept features various maintenance echelons (W1 through

W6)as outlined below.

Maintenance Echelon W1 Monthly test run

Maintenance Echelons W2 and W3

Periodic maintenance services to be performed during out-of-service periods

without the need for engine assembly.

Maintenance Echelons W5 Intermediate overhaul.Component repairs. The W5 echelon requires partial

engine disassembly.

Maintenance Echelons W6 Major overhaul. The W6 echelon requires complete engine disassembly.

This Maintenance Schedule may include components which are not installed on

your engine.


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4.6 Maintenance Schedule for Diesel Engine (Manufacturer s Requirement) (Where

Applicable)(Cont d) Applicable Group Standby electric power generation Fire pumps, emergency water supply Fire Department Vehicles Maintenance Frequency 3C 4C 5C

Chart

After months 1 1 1

After months 6 6 6

Limit (operating hours) 250 250 250

After months 1 1

Limit (operating hours)

After months Not applicable

Limit (operating hours)

After months 4 4 4

Limit (operating hours) 6000 6000 6000

After months 12 12 12

Limit (operating hours) 18000 18000 18000 One Time Additional Services On a new engine or after W5 or W6 maintenance the following services to be performed after the first 50 operating hours (limit 3 months):

Code No Task Descriptions

00.11 Attachments: Check tightness of fastening bolts and nuts 06.02 Valve gear: Check valve clearance, re-adjust if necessary 10.16 Air system: Check tightness of fastening bolts and nuts 10.17 Exhaust system: Check tightness of fastening bolts and nuts 12.04 Main fuel filter Drain ,replace paper elements 12.05 Fuel prefilter: Clean 12.11 Fuel Prefilter: Replace paper elements 12. Engine coolant pump: Check telltale bore for obstruction 13.05 Raw water pump: Check telltale bore for obstruction 16.03 Engine oil: Take sample and analyse 19.01 Engine mounting Check tightness of fastening bolts and nuts

88.32 V-belts Readjust belt tension


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Maintenance Echelon W1: Monthly Test Run


00.04 Engine Operation: Check engine revolutions, temperatures and pressures where gauges are installed. 00.06 Power Plant: Clean externally 00.12 Engine Operation: Perform test run (not less than 1/3 load).Operate

engine at least until temperature reached. 10.01 Air system: Check condensate bleed line of intercooler inlet

cover for water discharge 12.01 Fuel Prefilter: Turn filter handle several times 12.02 Fuel: Check supply 12.03 Fuel: Drain leak fuel tank 12.17 Fuel Prefilter: Drain water and contaminants 14.01 Engine Coolant: Check level 16.01 Engine oil: Check level 16.01 Compressed air: Check supply 18.02 Compressed air: Drain condensate from compressed-air system 86.01 Battery: Check state of charge, electrolyte level and

specific gravity* 88.01 V-belts: Check condition and tension 00.03 Engine Operation: Check engine and external pipework for leaks 08.02 Governor linkage: Check the linkage between governor and

injection pump(s) does not bind, and lubricate 10.03 Air filter: Check oil level in oil-bath air filter 10.06 Air system: Check function of emergency air shut-off flaps 14.03 Engine coolant: Take sample and analyse 14.08 Engine coolant cooler: Check lower and lubricate linkage 14.12 Raw water: Check supply

16.03 Engine Oil: Take sample and analyse

00.07 Lubrication points: Lubricate 06.02 Valve gear: Check valve clearance and readjust 06.18 Valve gear: Check cylinder head cover gasket, replace if

necessary 10.02 Air filter: Clean (multi-plate or wet plate air filter, screen) 10.04 Air filter: Change oil of oil-bath air filter 10.07 Air system: Check charge pressure 10.21 Exhaust System: Inspect system, and check drains for obstruction 12.04 Fuel filter: Drain, replace paper elements, clean felt-tube

element if multi-stage filter is provided. 12.05 Fuel prefilter Clean

12.11 Fuel prefilter Replace paper elements


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14.04 Engine Coolant: Change coolant, flush cooling system

14.21 Engine Coolant: Clean strainers, in coolant outlet line after

exhaust manifolds ( not applicable to TC.0 and

TC.1 engine version)

16.04 Centrifugal oil filter: Check thickness of deposited oil sludge, clean

filter

16.05 Engine oil filter: Drain oil sludge and examine for metallic residue

16.06 Engine Oil: Change

16.15 Engine Oil filter: Replace paper elements and sealing rings, clean

fitler shell

16.27 Oil filter/oil filling line: Replace filter element, clean filter shell

18.04 Starting air filter: Clean /or replace element

18.17 Starter: Inspect carbon brushes

18.18 Starter: Grease Terminals

84.02 Monitoring system: Check function of monitoring instruments

86.03 Compressor: Change Oil

88.2 Torsionally resilient Coupling: Inspect for proper condition

* unless otherwise specified by manufacturer. Maintenance Echelon W5. The W1 W3 maintenance echelons can be accomplished

without the need for engine disassembly whereas the W5 echelon requires partial

disassembly. The following is a list of W5 services and checks to be made in addition to

those given for the W1 W3 echelons.


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00.08 Cylinders: Check compression pressure 02.01 Gear train: Make visual inspection ( do not disassemble) 03.02 Running gear: Each cylinder bank: Check appearance of 1 cylinder liner

03.03 Running gear: Each cylinder bank: Check condition of 1 piston crown

05.08 Cylinder heads: Each cylinder bank: Remove and disassemble 1 cylinder

05.10 Cylinder heads: Replacering on protective sleeve 06.03 Valve gear: Each cylinder bank: remove 1 rocker arm and inspect

06.04 Valve gear: Each cylinder bank: remove 1 valve tappet and check for wear

09.06 Exhaust Turbo charger: Remove,disassemble,clean, checkbearing clearance

09.10 Exhaust Turbo charger: Perform leak-test (water-cooled turbocharger only)

10.05 Air system: Clean intercooler condensate bleed line 10.08 Air manifolds: Remove,clean and replace gasket 10.09 Air filter: Remove and clean oil-bath air filter 10.10 Exhaust manifolds: Remove, clean, replace gasket 10.12 Intercooler: Remove, clean, leak-test

10.19 Air filter: Replace paper element*

10.23 Exhaust system Check condition of insulation

10.33 Exhaust manifolds: Perform leak test (water-cooled manifolds only) 11.01 Fuel injection nozzles: Remove and check replace if necessary, replace sealing rings

11.09 Fuel injection timer: Injections

11.15 Fuel injection pump Check start-of-supply point

12.07 Fuel filter: Replace felt-tube element(multi-stage filter only) 12.08 Fuel: Clean tank, inspect fuel pipes and seals 12.09 Elect. Fuel delivery pump: Change grease in bearing*

13.06 Engine coolant pump: Disassemble, inspect, replace seals 13.07 Raw water pump: Disassemble, inspect, replace seals 14.02 Raw water: Clean filter

14.05 Engine coolant cooler: Remove,clean ,leak-test

14.07 Engine coolant: Check coolant preheater

14.13 Engine coolant cooler: Clean cooler fins

14.25 Coolant thermostat: Replace pellet case


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16.09 Engine oil heat exchanger: Remove, clean and leak-test

16.18 Engine Oil filter: Remove, clean, replace gasket

16.23 Engine oil: Clean supplementary tank, check seals and

pipes

16.24 Centrifugal oil filter: Remove, disassemble, replace bearing if

necessary

16.29 Engine oil heat exchanger: Check unloader valve and bypass valves

18.03 Starting valves: Check for leaks

18.05 Starting air systems: Check starting valves

18.07 Starting air pipework: Remove and clean

18.08 Starting air distributor: Check and readjust

18.09 Starting air system: Check air bottles and /or tank for leaks

18.10 Starters: Remove and check

19.01 Engine mounting: Check tightness of fastening bolts

19.02 Engine mounting: Make visual inspection of each mount

27.01 Additional controls: Replace expansion element

86.02 Generator: Remove and check*

86.08 Alternator: Change grease and/or oil used for bearing

lubrication*

86.19 Alternator: Measure insulation resistance; if necessary,

clean alternator and dry*

87.13 Engine controls: Check speed adjuster coupling

87.15 Engine controls: Check function

88.31 Mechanical fan drive: Change grease and/or oil of fan axle, tensioner

and drive coupling

Maintenance Echelon W6. The W6 echelon requires engine removal and complete

disassembly.

* unless otherwise specified by manufacturer.


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5 MAINTENANCE SCHEDULE FOR FREQUENCY CONVERTER

5.1 Service/Maintenance Scope of Work (a) Visual check-up of entire system. (b) Inspection of cable connections and electrical contacts. (c) Testing of alarm points and functions by simulation. (d) Testing or protective and functional appliances. (protective relays are

checked once a year by means of secondary testers) (e) Possible application of lubrication in the case of convertors. (f) Cleaning of the equipments. (g) Trial testing and functional control of the system if applicable. (h) Note: A checklist will be prepared and submitted to the principal upon

acceptance of the contract. All work carried out will be recorded against the

checklist. 5.2 Maintenance Schedule

Work Schedule as follows:

Converters not running

(a) Measurement of resistance:-

Motor stator winding Generator stator winding

(b) Connections:-

Tightness of terminal blocks connections Tightness of components/wires connections Tightness of power cables connections


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(c ) Cleanliness:-

Cleaning of electrical contacts Cleaning of components dust Cleaning of machinery dust

(d) Lubrications:-

Lubrication of bearings

(e) Control System:-

Sequential control of switchboard

(f) Protection

checking/adjustment of current, voltage and time relays

(g) Monitoring

Simulation of monitoring points, fault signals and protection

(h) Vibration

Detection for vibration and mechanical contact of rotor Short time run for vibration detection

Converters running

(a) System operation:-

System operation for 15 minutes Measurement /adjustment of voltage, ampere, and frequency.

6 OTHERS 6.1 Transformers

Transformers shall comply with requirements of BS 326 where these apply and

except where these equipments are modified by the following sub-clauses: (a) Transformers shall be capable of providing continuously the necessary secondary

voltage and current when the primary winding is connected to a source of supply

having the rated primary voltage frequency. (b) Transformer shall be double-wound with windings insulated with Class A materials.


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(c) One point of the Secondary winding of the transformer shall be connected to the

core and it shall be connected to an earthling terminal on the body of the

containers.

(d) The transformer shall when energised at rate voltage and frequency and

after 6 hours continuous operation, the temperature rise with ambient

temperature 30 degree C shall not exceed 90 degree C. 6.2 Casing

Ancillary equipment, including conductors, capacitors, resistors and transformers not forming part of a self-contained luminous discharge tube device for use in the interior of a building shall be either totally enclosed in a substantial earthed metal container or alternatively shall be placed in a suitable ventilated enclosure of incombustible material which is reserved for high voltage apparatus. Any cover on the container shall be capable of being securely fastened.

6.3 Earthing

All exposed metal shall be bonded together and provided with a terminal for

earthling purposed. 6.4 Live Metal Parts (a) No part of any conductor of the high-voltage circuit shall be in metallic

connection(except in respect of its connection with earth) with any conductor of the

supply system or with the primary winding of the transformer. (b) Conductors shall be so fastened to lampholders terminals s to be mechanically

and electrically secured. (c) All sealing compound shall be incapable of supporting combustion. 6.5 Cable Entry

Where a cable is taken into an enclosure, the entry to the enclosure shall be

bushed or so finished as to prevent abrasion of the cable. In addition the entry shall

be so arranged as to minimize the entry of water. 6.6 High Voltage Cable

High-voltage connections shall be made by cables complying with the appropriate

clauses of BS 559 except as provided in clause 10.2 and 10.3.Metal sheathed, or

amoured, or metal-sheathed and armoured, cable shall be used,


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except that cable having a non-metallic sheath may be used for inter-lamp series

connections not exceeding 3m in length which are not likely to suffer mechanical

damage or which are installed in box signs constructed substantially of non-

combustible mentioned.

Subjected to Clause 10.3bare or lightly-insulated conductors of copper or nickel having a cross-sectional area of not less than 0.3959m2(1/0.71mm) may be used for high-voltage series connections, provided that the conductor does not exceed 1 m in length, as supported at the intervals not greater than 500mm is not exposed to the likelihood of mechanical damage and is completely protected by non-combustible, non-hygroscopic insulting material which, if in the form of glass tubing, has a wall thickness not less than 1mm and an overall diameter not less than 5 mm and is so arranged as to be reasonable secure against any displacement which would expose any part of the live metal.

For shop-front fascia installation, bare or lightly insulated conductors shall be used

only for connections housed within a earthed metal enclosure or for connections

between the terminals or electrode housing. 6.7 Supports for high-voltage cables and conductors

Supports for insulated-and braided cables and for bare conductors shall be non-

combustible, non-hygroscopic insulating material e.g glass or glazed porcelain. 6.8 Earthed Return Conductors

The return cable from the electrode to a transformer terminal which is earthed may

be a 600/2000V or 600V cable in accordance with SS50 provided that the cross

sectional area of the conductor is not less than 2.6mm2. 6.9 Neon Signs

The neon signs shall be serviced bi-annually. The servicing shall include the

followings:- (a) To check all electrical connections tighten any loose connection. (b) To replace any defective parts (c) Test run to ensure neon signs are in good working condition. (d) To remove bird nest or any items found behind the signs to prevent a short circuit.


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(e) Any other related works to maintain the neon signs in working order.

6.10 Hand Dryer

As per manufacturer s recommendation.

III. FIRE PROTECTION SYSTEM

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1 FIRE ALARM SYSTEM 1.1 Monthly Servicing

(a) Notify Airport Fire Services of the intention to shut down the fire alarm system.

(b) Simulate fire conditions by operating the test switches on all groups and re-

setting the installation to normal after the completion of the test.

(c) Check the battery voltage by operating the battery test switch and record the

voltage under local condition" in the log book.

(d) Check the condition of the storage batteries including the terminals and

maintain them in a serviceable condition.

(e) Check the condition of the battery cabinet for corrosion and ensure that the

batteries are stored in a secure condition.

(f) Check to ensure that all twin indicating lights are operating correctly and replace

them if they are faulty. (g) Check the operation of the external alarm bell and equipment shut down on

sequence.

(h) Check individual detector and manual station by sequence for proper response as indicated by the lighting of the test lamp, trouble light and alarm light. The detector must be cleared and the system must be reset at the control unit after each individual detector is tested.

(I ) Check the operation of the direct Airport Fire Service alarm transmitter and

ensure the transmitter hollies correctly to the reset position.

(j) Check the power supply failure facility by disconnecting the battery and main

supply.

(k) Check the initiation facilities to operate remote control functions in accordance with the appropriate codes. Where the air handling plant shut down facilities are provided, these-should be operated at least on a monthly basis. The Authorised Representative should, however, be notified prior to the shut-down and the Employer shall provide the personnel to be in attendance and to re-start the plant.

(I) Check that the fire indicator board is in a clean and operative condition and

ensure that the enclosure is maintaining a satisfactory dust seal.

(m) Visually inspect the condition of all components, including resisters, capacitors

and cable.

(n) Inform the Authorised Representative any circuits which are subject to repair,

alteration or extension.


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(o) Record monthly details of the routine test together with emergency visits, if any.

(p) Check that all switches are returned to their normal operating position.

(q) Notify Airport Fire Service on completion of the tests.

1.2 Annual Testing (a) Notify Airport Fire Service of the intention to shut down the fire alarm system. (b) Combustion Product Detectors should be cleaned annually by blowing clean, dry air

through the opening between the collector plate and the well where the radium sensor is located. If the foreign material is difficult to remove, it may be cleaned with a swab saturated with alcohol.

(c) With the system operating, remove one lead from each of the detector circuits, one

circuit at a time, at the control unit, or at a detector if more convenient and ascertain that the trouble alarm is activated.

(d) Shutdown the unit by switching off the mains supply and disconnecting the batteries.

- (e) Thoroughly check the whole unit for loose connections, terminals, fray wires, etc. (f) Check all switches and push buttons for smooth accurate operation and function. (g) Check all lamp globes for correct voltage and operation. (h) Replace any broken or suspect equipment as may be required. (i) Re-assemble. (j) Reconnect the batteries and switch the mains supply on. (k) Check any relays for correct adjustment and quick effective operation. (1) Check the battery charge operation and output. (m) Check the operation of all shutdown sequences and reset required. (n) Test the unit in accordance with steps 1. 1 to 1. 11 of the monthly test. (o) Enter the results of the tests in the Log Book. (p) Notify Airport Fire Service on completion of the tests.


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1 FIRE PROTECTION SYSTEM (MONTHLY) (Cont'd) 1.2 Fire Alarm Panel

a. Check all the panel power supplies. b. Ensure all wires and properly terminated. c. Check and tighten, if necessary, all wiring contacts and terminations. d. Check battery chargers. e. Check batteries voltage and functionality.

Disconnect battery connection and confirm LED alarm indicators are- in operation.

h. Ensure all the electronic cards are properly secured. i. Check and test all the LEDs display j. Check proper bus communication between panels k. Clean excessive dust/heat. l. Verify that the programme is functioning. m. Activate a smoke detector zone. n. Stimulate a call point alarm. 1.3 Functional Test h. Functional test to ensure signal is received at Fire Station (Cisco Monitoring Centre).

i. Functional test on breakglass call point and fire alarm bell j. Functional test of smoke detector k. Functional test on Ventilation Fans, AHUs, Lifts which are interlocked with Fire Alarm. 1.4 Printer

a. Visual check on system printout. b. Check alarm printout. c. Check line feed and form feed function. d. Check and ensure proper gap for the printhead. e. Check and ensure smooth carriage motions. f. Run printer self test. g. Clean excessive dust.

h. Check proper cable and tighten if necessary. i. Replace printer paper.

2 AUTOMATIC SPRINKLER SYSTEM 2.1 General

2.1.1 After any servicing, alterations or repairs, inspection should be made to make sure that

the valves are in fully open position, sealed and the system in operational condition.


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2 AUTOMATIC SPRINKLER SYSTEM (Cont'd)

2.1 General (Cont'd) 2.1.2 When any alterations, additions or repairs are to be made involving interruption of the

sprinkler protection in whole or part, the Maintenance Engineer-in-charge should be

notified and proper recording is done to reflect the changes in the system. Submission

to FSB by PE may be necessary. 2.1.3 When building extensions, new partitions or enclosures are erected, the required

extension of the sprinkler system in the new areas should be completed promptly. 2.1.4 When repairs or alterations affecting the sprinkler system are in progress, special

provisions should be made to keep the sprinkler system in service in all areas not

affected. When the sprinkler system is turned off during the day to allow for work in

progress, it should be restored at night. 2.1.5 If the sprinkler system is necessarily need to be turned off in any portion overnight, then

precautionary measures should be taken to post a specially instructed personnel to

guard the portions without sprinkler protection. 2.1.6 Sprinkler valves are sometimes inadvertently left closed after alterations or repairs have

been completed. A responsible person should be made to check the condition of the

system following any such work to make sure that all the control valves are in fully open

position and properly sealed. 2.2 Sprinkler Heads 2.2.1 Sprinkler heads should be checked regularly to make sure that they are in good

condition, clean, free from corrosion, not painted or whitewash and not be bent or

damaged. It should be replaced when they are painted, corroded or damaged. 2.2.2 Sprinkler should be protected against mechanical injury. Where there is danger of

injury, approved sprinkler guards should be provided. 2.2.3 Always use the special sprinkler wrench in removing or installing sprinklers. Other types

of wrenches may injure the sprinkler. 2.2.4 An adequate supply of extra sprinklers should be on hand. 2.3 Piping

2.3.1 Piping should be kept in good condition and free from mechanical injury. 2.3.2 Sprinkler piping should not be used for support for ladders, stock or other material.


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2.4 Piping Hangers 2.4.1 Hangers should be kept in good condition. Broken or loose hangers should be replaced

or refastened. 2.4.2 Broken or loose hangers may put undue strain on piping and fittings, causing breaks

and interfere with proper drainage.

2.5 Water-Flow Alarm Devices

2.5.1 Water-flow alarm devices should be tested annually.

2.6 Sprinkler Tank 2.6.1 Periodic inspections should be made to ensure that the water level are at its maximum

capacity level. 2.6.2 Constant maintenance of a full supply of water in sprinkler tanks is necessary so as to

ensure proper performance of the sprinkler system in the event of a fire.

2.7 Sprinkler Pump 2.7.1 The pump should be started once a month. Regular inspection should be made,

checking the maintenance of ample pressure, proper supply of lubricating oil, operative

condition of valves, etc. 2.7.2 The pump room should be kept clean and accessible at all times. 2.7.3 The suction pipes, intakes, valves and screens of fire pumps should be examined

frequently to make sure that they are free from any obstruction. Mud, gravel, leaves

and other foreign materials entering the suction pipe may cause damage to the pump

or obstruction of the piping of the sprinkler system. The automatically controlled

pumping units should be tested monthly by manual means at least one start should be

accomplished by reducing the water pressure. 2.7.4 This may be done with the test drain on the sensing line or with a flow from the fire

sprinkler systems. The examination should be extended to include the condition and

reliability of the electric power supply.


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2 AUTOMATIC SPRINKLER SYSTEM (Cont'd) 2.8 Procedure On Test Running Of Sprinkler Pumpset

(a) Close sprinkler pumpset discharge valve of the pumpset under testing.

(b) Slowly release the pressure switch sensing line pressure by opening the drain

cocks until the preset pressure and the pumpset start up. Close the drain cocks.

Record the-cut-in pressure and the no-flow churning pressure.

(c) Obtain churning pressure of sprinkler pump with discharge valve closed.

(d) Stop the pumpset and open the discharge valve.

(e) Repeat the same procedures for the other pumpset.

2.9 Monthly Service And Maintenance Checklist For Sprinkler System

2.9.1 Inspect the Sprinkler Pumps; and

(a) Check all seals, glands and pipe lines for leaks and rectify as necessary,

(b) Check all pump bearings and lubricate with oil or grease as necessary.

(c) Check the alignment and condition of all rubber couplings between pumps and

drive motors and rectify as necessary.

(d) Check all bolts and nuts for tightness and tighten as necessary.

2.9.2 Inspect the electric motors; and

(a) Check all motor bearings and lubricate with grease as necessary.

(b) Check carbon brushes and clip rings of all motors and clean as necessary.

Renew carbon brushes as necessary.

(c) Check safety devices fitted to all motors and clean, adjust and lubricate as

necessary. 2.9.3 Inspect and check the routine operation of all electrical starters, electrical control gears

and ancillary electrical apparatus, and

(a) Clean, adjust and lubricate all bearings, pivots and other moving parts as

necessary.

(b) Clean or renew electric contactors as necessary.

(c) Renew electric fuses as necessary.


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2 AUTOMATIC SPRINKLER SYSTEM (Cont'd) 2.9.4 Check and adjust all float switches and sequence starting for the pump control

panel. 2.9.5 Inspect all water storage tanks and drains and clean and flush out the tanks

as necessary. Check that stop valves at tank inlet, interconnecting pipes and

pump suction pipes are secured and fully open. Verify the operation of the

automatic tank filling mechanism. Visually check that tank contains requisite

amount of water and verify operation of floatless level control units. 2.9.6 Check and verify that sprinkler installation control valves are strapped and

padlocked in open position. 2.9.7 Check and verify that isolating valve to water alarm motor and gong is secured

and fully open. 2.9.8 Check and verify that installation drain and test valves are secured and fully

closed. 2.9.9 Check and verify that all other isolating valves are secured in their normal open

position. 2.9.10 Check and inspect fire services breeching inlets.

2.9.11 Check and inspect water alarm motors and gong mechanisms.

2.9.12 Check and verify operation of water level indicators. 2.9.13 Testing of sprinkler pumps:

(a) Check and verify the automatic starting of each pump by actuating the drain

and test valve in a manner to reduce the applied water pressure to the

starting device and simulate a fire condition. Record pressure is correct.

Keep each pump running for a period of at least five (5) minutes and verify

the operation of the relief valve.

(b) Check and verify pump running alarm and phase failure alarm.

(c) Check pump starting equipment including fuses, circuit breakers and

starters.

(d) Simulate failure on one of the pumps and verify the operation of the duty-

standby changeover mechanism.


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2.9.14 The entire sprinkler system should be inspected to ensure that they are free from

damage, corrosion, grease, dust, paint or whitewash and should be replaced where

necessary as a result of such conditions. 2.9.15 Valve systems shall be oiled or greased at least once a month. 2.9.16 Visual inspection and checking of the sprinkler heads for leakages, damages,

obstruction and paint. 2.9.17 Check and repair all valves which are found leaking or defective. 2.9.18 Test flow switches by drawing out water at the drain valve of each floor.

2.9.19 Flushing out water for the system to test the sprinkler alarm bells. 2.9.20 Check correct operation of alarm control valve and alarm gong by discharging water

from the drain valve.

2.10 Annual Test

2.10.1 Simulated mechanical or electrical failure of duty pump and the ability of the standby pump to come in automatically and maintain the required output should be tested.

Check and verify that local and remote pump failure warning function properly. 2.10.2 Every pump suction tank should be completely flushed out and thoroughly cleaned. 2.10.3 The water in the whole sprinkler pipework system should be completed drained out and

filled with fresh water again.

3 HOSEREEL SYSTEM - QUARTERLY SERVICING

3.1 Check the hosereels and rubber hose for damage.

3.2 Check the operation for the nozzles for blockage.

3.3 Check and verify the operation of the 25 mm stop valve at the hosereel feed

pipework and ensure that the valve is secured and fully closed.

3.4 Check and verify that the hose guide rollers move freely with the hose (N.B.

This is to be determined by running out a few metres of the hose from real).


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3 HOSEREEL SYSTEM - QUARTERLY SERVICING (Cont'd)

3.5 Check and verify all pump suctions. 3.6 Check and verify all pump suctions and delivery valves are fully open. 3.7 After checking, the hose shall be rewound in level layers, the valve shut off and the

hose depressurised (where possible). 3.8 Check that the main water supply gate valves are locked and strapped in the open

position. 3.9 Check that access to fire hosereel is not obstructed by the location of furniture,

equipment or other such materials.

4 ELECTRIC MOTOR DRIVEN PUMP - MONTHLY SERVICING

4.1 Check and verify all pump suctions and delivery valves are fully: open. 4.2 Check and verify the pump starting by actuating the test valve in a manner to stimulate

fire conditions. Record the pressure at which the pump starts. Ensure that this pressure

is correct as per the pump operating instructions. 4.3 Run the pump for a minimum period of two (2) minutes.

4.4 Check and verify the pump running alarm.

4.5 Check the pump starting equipment including fuses and breaker starters.

4.6 Check and verify the phase failure alarm.

4.7 Check and verify, where appropriate, the pump priming arrangements. 4.8 Check and verify no excessive noise or vibration of the pump and motor while the unit

is running. 4.9 Run the pump under full load for 60 minutes if practical. 5 UNDERGROUND HYDRANT - MONTHLY SERVICE

5.1 Check all Hydrant to be in serviceable condition.

5.2 Check and service Hydrant pump and Jockey pump as per item 2.

5.3 Check and repair Hydrants at site for any defects and leakage pipe line.


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7 PREACTION SYSTEM

The following inspection and/on maintenance procedure should be scheduled as listed

below on performed upon the occurrence of any event which might bias the reliability of

the system.

WARNING : DO NOT TURN OFF THE WATER SUPPLY TO MAKE REPAIRS

WITHOUT PLACE A ROVING FIRE PATROL IN THE AREA

COVERED BY THE SYSTEM. THE PATROL SHOULD

CONTINUE UNTIL THE SYSTEM IS BACK IN SERVICE.

Prior to turning off any valves or activating any alarms, notify local security guards so

that a false alarm will not be signaled.

7.1 Normal Conditions

i) All main control valves must be opened

ii) .The alarm test valve is in the ON position

iii) The priming-line valve closed

iv) The magnetic by-pass light is OFF

7.2 Monthly Maintenance

i) The system should checked for normal condition

ii) Test the water-motor alarm or turning the alarm test valve to the test position.

The alarm should sound

iv) Depress the drip check (significant water accumulation indicates a possible seat

leak).

7.3 Semi-Annual Test

i) Perform the weekly test

ii) Conduct a water-flow test

a) Record the static water-pressure appearing on the priming-line

pressure gauge


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7 PREACTION SYSTEM

7.3 Semi-Annual Test (Cont'd)

b) Open the flow test valve-fully and record the residual water-pressure appearing on the priming line pressure gauge

c) If the residual water-pressure reading in considerable lower than the

previously recorded reading, place the system out of service, clear all

supply lines and priming line strainers, and check for a partially-closed

valve or supply-line obstruction.

d) Trip the release-line system clean all strainers and priming-line

restriction.

7.4 Monthly Maintenance of Air Compressor

i) Check for normal operation

ii) Change oil if necessary

iii) Check the air filter and the dehydrator

iv) Annual inspection by relevant authority and obtain Certificate of fitness.

8 HALON SYSTEM

Halon 1301 Total Flooding System Equipment - Monthly Service

WARNING : THE ACTUATION DEVICE MUST BE DISCONNECTED EITHER AT

THE CONTROL PANEL OR ACTUATION DEVICES BEFORE

PERFORMING THE MAINTENANCE WORK. 8.1 Defection And Actuation System

i) To check and clean smoke detectors

ii) To check effectiveness of gas actuation devices including the condition of the

gas initiator

iii) To check effectiveness of bells, smoke detectors, manual breakglass push

buttons and time delay unit for discharge of gas

8 HALON SYSTEM

8.1 Defection And Actuation System (Cont'd)


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iv) To check all function key on the control panel that they are operating correct as follows:-

. Acknowledgement of alarm and trouble

. Disable actuation of EXTINGUISHING

. RESETTING of alarm

. Enable ACTUATION OF EXTINGUISHING

. Switching OFF/ON of detector zone

. Lamp test

v) To check performance of remote alarm to main fire alarm panel

vi) To check performance of interlock to shut down process.

8.2 Agent Supply

i) To check pressure of gas in spheres (Pressure must not be higher and lower than the

blue mark shown in the pressure gauge)

ii) To check for damages or corrosions of the spheres

iii) To check all brackets, supports, etc for holding the spheres

iv) To check the weight of gas content in the spheres. This shall be done annually before the

expiry of the annual contract.

8.3 Electrical System 8.3.1 To check condition of battery and battery charger unit in good operational order. Check

also water level in the battery and top up battery water level as and when it is necessary. 8.3.1.1 To check voltage level of battery.

8.3.2 To check all indicators and warning lights for proper functioning equipment 8.3.3 To check emergency lighting, if any 8.3.4 To'check shutdown of electrical power supply for air conditioner during discharge of Halon

gas.

8.3.5 To check and visually inspect condition of all electrical components in the control panel

including resistors, capacitors cable and wire connections.


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8 HALON SYSTEM

8.3 Electrical System (Cont'd) 8.3.5.1 To check proper functioning of supervisory circuits including for fault in the

external circuit. 8.3.6 To check operation and effectiveness of power supply failure facility by

disconnecting the mains supply from the battery charger. 8.4 Annual Inspection 8.4.1 Products of Combustion Detector Cleaning - the minimal requirement for

detector maintenance consists of an annual cleaning of dust from the collector

plate screen only. 8.4.1.1 Cleaning programs should be geared to the individual environment in area

where an oily film or other coating may develop, the collectors plate screen must

be periodically cleaned with chemically pure alcohol. Material used in cleaning

should be discriminately destroyed after used.

CAUTION: DO NOT CLEAN THE RADIOACTIVE SOURCE OR THE DETECTION CHAMBER UNLESS IF-IS ABSOLUTELY NECESSARY. IP THESE AREAS MUST BE CLEANED, THE DETECTOR MUST BE HELD SO THAT YOUR HAND CONTACTS METAL SURFACE OF THE DETECTOR WHILE CLEANING IS PERFORMED. FAILURE TO GROUND YOUR BODY TO THE DETECTOR DURING CLEANING PROCESS CAN COME PERMANENT DAMAGE TO THE DETECTOR.

8.4.2 Remove the detector and initiator connections at the Control Panel. Check

insulation resistance to ground using a 500V DC megohmeter whose current

output is limited to 50m. A maximum Insulation resistances must exceed 2

megohms. Replace detector connection only. 8.4.2.1 Tape or otherwise insulate the initator field leads. Connect a 24V DC test lamp

the initiator terminals in the Control Panel.

a) Check each individual detector and manual release station and abort

switch for proper response as indicated by lighting of the test lamp,

trouble light and alarm light. The detector must clear and the system

must be reset at the control unit after each individual detector is tested.

Thermal detectors may be tested with a test lamp. Ultraviolet detector

may also be tested with any ultraviolet source - normal lamps will not

sufficient for this test, quartz-iodide lamps or equivalent are

recommended. Products of combustion detectors may be tested with a

smoke generating freon device. These detectors may be connected for pre-alarm.


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8 HALON SYSTEM

8.4 Annual Inspection (Cont'd)

b) With the system operating, remove one lead from each of the detector

circuits - one circuit at a time at the control panel or at a detector (if more

convenient) and a ascertain that the trouble alarm is activated.

c) Disconnect the initiators at each agent storage container and install

jumper wires at the connector in place of the initiators. Connect a 24V

DC test lamp in series with the initiator loop and connect to the initiator

at the contort panel. Install a temporary jumper across actuating

terminals of a detector circuit and turn the system on. Test light, and fire

light should function. Remove jumpers from each initiator, cable in turn,

and the test light should go out indicating integrity of this circuit. If the

system is equipped with a secondary or reserve supply, turn the system

off, switch to the secondary supply and repeat this test procedure.

d) Inspect all piping, fittings and nozzles for looseness, dirt or other

damage. Disconnect piping at the agent storage container and blow out

with low pressure air, if needed.

e) Disconnect all temporary test wiring, remove test devices, reconnect all

system components as they were originally and turn the system on. 8.5 Initiator Replacement

The initiators in each storage container must be replaced periodically. The life will vary

with the ambient temperature. The following is recommended.

MAXIMUM EXPOSURE TEMPERATURE REPLACE AFTER

80°F 5 years 100°F 3 years 120°F 2 years

140°F 1 year

If a container has relieved as a result of overheating both the initiator and the well should

be replaced regardless of age.

RECONDITIONING

Following actuation, the agent storage container must be reconditioned. Each container

would require the amount of Hal on 1301 specified.

Initiator should not be connected into the circuits until it has been ascertained that all

detectors are clear and that there are not wiring fault. Initiator cables and any activated

manual release station and abort switch must be reset before reactivating the system.


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8 HALON SYSTEM

8.6 Refilling Of Halon 1301

Refilling of Halon 1301 shall be done within 24 hours after the discharge of the gas. 9 DECAM SYSTEM

(To manufacturer's requirement)

10 Monthly/half yearly/yearly test results must be submitted after every test. 11 Check and ensure all self contained breathing apparatus are proper maintain and ready

for uses.


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11 FIRE AND JOCKEY PUMPS

11.1 Check and test the running of all fire pumps accordingly to their required operation. 11.2 Check, record and verify all fire and jockey pumps pressure gauges reading for cut-in

and cut-out of duty standby pump and jockey.

11.3 Check that all stop valves are secured in the open or closed positions as appropriate,

including valves located for remote from the main control valve.

11.4 Operate all pressure reducing valve (where appropriate) to the full and correct

operation under all flow conditions and check the pressure side of the valves for

deterioration from the original test reading. 11.5 Check adequacy of lubricating fluid for all bearings and supplement where necessary. 11.6 Correct any excessive leakage from gland and shaft packings. Renew packings where

necessary.

11.7 Clean all component parts of each equipment.

11.8 Check and verify all pump suctions and delivery valves are fully open. 11.9 Check and verify pump starting by actuating test valve in a manner to simulate fire

condition. 11.10 Check for presence of any excessive/abnormal noise and vibration. Investigate and

report on cause and initiate remedial measures.

11.11 Check the oil alarm motor and gong mechanism. 11.12 Check speed of all operating pumps. Abnormal conditions are to be reported and

remedial measures initiated.


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12 MAINTENANCE SCHEDULE FOR FIRE EXTINGUISHERS

a) The following checklist (where applicable) to be carried out for all fire

extinguishers, including wheeled types during each half-yearly servicing:-

b) When extinguishers which removed for repair or refilling, the temporary

replacement extinguisher shall be provided.

12.1 Checklist and Corrective Action


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Part Items To Check Corrective Action

Label 1. 1.Illegible 1. 1.Clean or

wording replace

2.Corrosion or loose label 2.Inspect body under label for

corrosion and refix label

Body 1. Hydrostatic test date of 1. Retest if expired.

date of manufacture.

2. Corrosion 2. Hydrostatic test and repaint, or

3. Mechanical damage discard.

3. Hydrostatic test and repaint or

(denting or abrasion) discard.

4. Plant condition 4. Clean and repaint

5. Evidence of previous 5. Discard or consult manufacturer.

repairs (welding, soldering,

brazing, etc)

6. Damaged threads 6. Discard or consult manufacturer

(corroded, cross-threaded or

worm)

7. Damaged sealing surface 7. Clean, repair, and leak test; or

(nicks or corrosion) discard

8. Broken hangar attachment, 8. Discard or consult manufacturer

carrying handle lug


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Ill FIRE PROTECTION SYSTEM

12.1 Checklist and Corrective Action (Cont'd)

Part Items To Check Corrective Action

Nozzle or Horn 1. Brittle, deformed, 1. Replace

damaged or cracked 2. Clear blockage

2. Blocked openings

3. Damaged-threads 3. Replace

(corroded, cross-threaded

or worn

Hose Assembly 1. Punctured, cracked or 1. Replace

worn hose

2. Cracked or corroded 2. Replace

couplings

3. Cracked or corroded 3. Replace

swivel joint

4. Damaged threads 4. Replace

(corroded, cross-

threaded or worn)

5. Hose cut at couplings 5. Repair or replace

6. Clogged or deformed 6. Clear blockage or

hose replace

Valve Safety Device 1. Damaged (corroded, 1. Repair and lubricate; or

bent or seized) replace

2. Missing 2. Replace

Gauge or other pressure 1. Damaged, jammed or 1. Depressurize and

indicating device missing pointer replace gauge

2. Depressurize and

2. Illegible or faded dial replace gauge

3. Corrosion 3. Depressurize and check

calibration, clean and

repaint; or replace

gauge

4. Dented casing or

defaced, broken or 4. Depressurize and check

cracked cover calibration; or replace

gauge


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Part Items to Check Corrective Action

Gauge or other pressure 5. Jammed or corroded 5. Depressurize and indicating device pressure-indicating replace head assembly, or

stem(non-gauge type) body whichever

appropriate.

Body Valve 1. Corroded, damaged or 1. Depressurize, check jammed lever, freedom of handle,spring,stem, or movement and

fastener joint repair; or replace

2. Damaged outlet threads( corroded, 2. Depressurize and cross-threaded, or replace

worn)

Nozzle Shut-off Valve 1. Corroded, damaged, 1. Repair and lubricate; or

jammed or binding replace

lever, spring, stem,

or fastener joint

2. Clogged,deformed or 2. Clean or replace

corroded nozzle

Puncture Mechanism 1. Damaged, jammed or 1. Replace

binding puncture lever,

stem or fastener joint

2. Blunt or damaged 2. Replace

cutting or puncture pin

3. Damaged threads 3. Replace

(corroded, cross-

threaded or worn)

Gas Cartridge 1. Corrosion 1. Replace

2. Damaged seal disc 2. Replace Cartridge

3. Damaged threads 3. Replace cartridge (corroded, cross-

threaded or worn)

4. Illegal weight marking 4. Replace cartridge

WFP-18


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Part Items to Check Corrective Action

Head Cap 1. Corroded, cracked or 1.Replace

broken

2. Damaged threads 2.Replace

(corroded, cross-

threaded or worn)

3. Damaged sealing 3.Clean, repair and leak surface (nicked, test;

deformed or corroded)

4. 4.Blocked vent hole or

slot 4.Clear blockage

Carrying handle 1. Broken handle lug 1. Replace shell or valve (intergral part of shell

or valve)

2. Broken handle 2. Replace

3. Corroded, jammed or 3. Clean or replace

worn fastener joint

Pressurizing Valve 1. Leaking seals 1. Depressurize and

replace valve or core

Gasket “ O” Ring and 1. Damaged (cut, cracked 1.Replace and lubricate

Seals or worn)

2.Missing 2.Replace and lubricate

3.Aged or weathered 3.Replace and lubricate (compression set,

brittle,cracked)

Brackets 1.Corrode, worn or bent 1.Repair and repaint;or

replace

2.Loose or binding fit 2.Adjust or replace

3.Worn, loose, corroded or 3.Tighten or replace missing screw or bolt


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12.1 Checklist and Corrective Action ( Cont’d)

Part Items To Check Correction Action

Gas Tube and Siphon 1.Corroded, dented, 1. Replace

Tube cracked or broken

2. Blocked tube or 2. Clear blockage or

dogged openings in replace

tube.

Safety Relief Device 1.Corroded or damaged 1. Depressurize and

2. Broken, operated or

replace

clogged 3. Depressurize and

replace or repair.

12.2 Expelling Means and Extinguishing Agent

(a) Self-expelling

Agent Part/Checkpoints Corrective Action Carbon Dioxide 1. Incorrect weight 1. Recharge to correct

2. Broken or missing weight tamper indicator 2. Conduct leak test and weigh, recharge or replace indicator Bromotrifluoromethana 1. Punctured cylinder 1. Replace extinguisher (BTM/Halon 1301) seal disc body

2. Incorrect weight 2. Replace body or return to manufacturer for filling 3. Examine cylinder seal

disc, replace indicator.


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Ill FIRE PROTECTION SYSTEM

12.2 Expelling Means and Extinguishing Agent (cont’d)

(b) Gas Cartridge

Agent Part/Check points Corrective Action

Powder 1. Incorrect weight or 1. Refill to correct weight

charge level

2. Contaminated, caked 4. Empty and refill

or wrong agent

3. Cartridge condition

(a) Punctured seal (a) Replace cartridge

disc (b) Replace cartridge

(b) Incorrect weight (c) Examine seal disc and

(c) Broken or missing Replace indicator

tamper indicator

Water/Mechanical 1.Recharging date due. 1. Empty, clean and

Foam recharge

2. Incorrect fill level 2. Refill to correct level

5. Agent Condition 3. Empty and refill

(presence of

precipitate or foreign

material,dirty or

cloudy) 4. Replace cartridge

6. Broken cartridge seal

disc 5. Replace cartridge

7. Incorrect cartridge

weight 6. Examine seal disc and

8. Broken or missing replace indicator

tamper indicator


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12.2Expelling Means and Extinguishing Agent (Cont'd)

(c) Stored Pressure

Agent Part/Checkpoints Corrective Action

Powder 1. Refillable type (a) Refill to correct weight

(a) Incorrect (b) Repressurize and

extinguisher weight

conduct leak test

(b) Incorrect gauge

pressure (c) Leak test and replace

indicator

(c) Broken or missing

tamper indicator

Bromochlorodi- 1. Broken or missing 1. Weigh, conduct leak

fluoromethane (Halon tamper indicator test and replace indicator

1211) 2. Weigh, repressurize and

2. Incorrect gauge conduct leak test

pressure 3. Conduct leak test

3. Incorrect weight

replace indicator

Water 1. Incorrect filling level (by 1. Refill to correct level

weight or observation) 2. Repressurize and leak

2. Incorrect gauge test

pressure 3. Conduct leak test and

3. Broken or missing replace indicator

tamper

indicator

Mechanical foam 1. 1.Incorrect fill level 1. Empty and recharge

(by weight or with new solution

observation) 2. Empty and refill

3. Repressurize and leak

2. Agent condition test

(presence of 4. Conduct leak test and

precipitate or foreign

material) replace indicator

3. Incorrect gauge

pressure

4. Broken or missing

tamper indicator

IV. PLUMBING, SEWERAGE AND COLD WATER SUPPLY SYSTEMS

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1 WATER STORAGE TANKS AND PIPE FITTINGS 1.1 Scope of Works

(a) To inspect all water storage tanks and certify to PUB that the condition

of the water storage tanks are satisfactory and that the water therein is

safe for consumption. If necessary, the tanks should be cleaned and

disinfected.

(b) To inspect and certify that there are no leaks in the pipes and fittings.

Any leaks found must be repaired immediately.

(c) The inspection, maintenance and certification works are to be carried

out by PUB Licensed Water Service Plumber who shall then certify on

the PUB prescribed forms – Appendix A and submit to PUB. Detailed

procedures on the inspection and certification of water storage tanks

are shown in Appendix B. 2 TRANSFER/BOOSTER WATER PUMP SYSTEM – MONTHLY CHECKLIST 2.1 Check that motor running amperes does not exceed motor rated amperes.

2.2 Check that there are no abnormal noise or vibration on the motors and pumps. 2.3 Look out for any water leakage.

2.4 Check whether there is any coupling mis-alignment and examine for any signs

of wear and tear on coupling face plate, bolts, rubber and shaft. 2.5 Check all valves and ensure that they are in good working condition ( e.g.

solenoid valves, non-return valves, gate valves, exhaust valves and safety

valves) 2.6 Check by means of the pressure gauges if operation at starting and stopping

are correct. 2.7 Check that all electrical contactors, timers and relays are in good working

condition. 2.8 Check whether pressure switching is in working condition. 2.9 Check and clean strainers to prevent air lock in the system. 2.10 Check and replace gland packing if water is leaking continuously even after

excess tightening. 2.11 Check and clean external surfaces at regular interval on motors and pumps.

Rust patches should be removed and treated with red oxide paint.


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3 SUMP PUMPS – MONTHLY SERVICING 3.1 The Contractor shall provided skilled workers and equipment to carry out the

following works. The work schedule shall be used as a guide to the service and

shall in no way relieve the Contractor from executing any other necessary work

for maintaining the sump pumps and sewerage ejectors pumps in good working

order.

(a)Collection Chamber : All accumulated matter stuck to the wall are to be scrubbed and flushed away during every servicing. Any sludges and sendiments are to be pumped out and

thrown into authorised dumping ground.

(b)Float Switches : The Float switches should be checked for Defects and thoroughly cleaned during

every servicing.

(c)Electrical Equipment Panel : The control panel are to be cleaned during every servicing and loose contact tighten. Any blown fuse should replaced

upon checking.

(d)Mechanical Pumps : The pumps should be removed and cleaned during every servicing. Any rust formed has to be brushed down, treated with anti-rust paint and then repainted with minimum of 2 coats of approved marine paint. All pipe couplings should be checked for any loose joints. All electrical connections are to be inspected

and pumps tested during servicing.

(e) Pump Room/Sump Area : The premises must be kept clean and waste matters to be cleared away after

every services.

3.2 Sump Pumps and Sewerage System Maintenance Procedures

The following points are advised by the manufacturers should be observed by

the Contractor when carrying out the servicing of the pumps:-

(a) The pump should run quietly and without vibration at all times.

(b) The grease cup on the pump should always contain an adequate supply of grease. A ball and roller bearing grease of good quality, free of resin and acid, should be used for topping up the grease cup. It should have a lithium soap base, a class of 2 or 3 worked penetration and a drop point of 160 C minimum (mobilux Grease 2 of equal).

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(c) The cock on the grease cup must always be kept open.

(d) The bearing temperature (which can be ascertained by touching the

bearing shields at either end of the motor) may be allowed to rise to

50C above room temperature, but should not exceed 80 C.

(e) The float linkage system inside the tank must be clean and free of any

rubbish, such as rags, bits of waste or cloth, etc which might cling onto

it, otherwise the automatic control of the plant may be impaired, and

cease to function correctly. 4 GREASE TRAP/INTERCEPTOR AND SEWER LINES 4.1 Extend of Work

The Contractor shall provide skilled workers and using approved method to

carry out the following works:

(a) To clear and service kitchen kitchen floor trap and waste water pipelines using high pressure water jet or electro mechanical equipments.

(b) To clear, clean and remove sludge and silt from grease traps and oil

interceptors.

The contractor must ensure all accummulated matter stuck at the

chamber are to be scrubbed and flushed away during every service.

Any sludges and sendiments are to be pumped out and thrown into

authorised dumping ground. 4.2 Removal of Deposits

The Contractor will be responsible for the removal of deposits from the site and

dumped at a designated locations approved by Minister of Sustainability and

Environment (MSE). The dumping cost incurred will be borne by the

Contractor. 4.3 Servicing Schedule of oil interceptors, grease trap and sewer lines

Type of Sanitary & Plumbing Service Frequency Location

Installation

(a) Grease Trap Fortnightly

Core K Canteen

(b) High-pressure jetting of floor traps leading to main pipe Bi-monthly

Core C and Core K Canteen

(c) Sewer Line Half-yearly All

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1 Sewer Line at Core H

Quarterly

To clear and service sewer lines from main building to main hole as

specified herein.

2 Hot Water Urn/ Dispenser

6.1 Quarterly

(a) Check and Clean water filters and replace if necessary.

(b) Check thermostat setting and tighten all connections.

(c) Check for pipe leakages and rectify.

6.2 Yearly

(a) Dismantle unit and clean scales thoroughly using chemical

washing.

3 Water Cooler

7.1 Quarterly

(a) Check and Clean water filters and replace if necessary.

(b) Check for leakages and rectify

(c) Check outlet pressure and water temperature

7.2 Yearly

(a) Flush system using Chemical Washing.

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APPENDIX B

PROCEDURES ON THE INSPECTION AND CERTIFICATION OF WATER

STORAGE TANKS

1 The inspection and certification of water storage tanks shall be carried

out annually for every tank.

1 Any defects found in the strong tanks during the inspection shall be

rectified immediately. If necessary, the tanks shall be cleaned and

sterilised. The tanks shall be properly sealed against the entry of foreign

matter which might affect the quality of the water. Mild steel tanks which

are corroded and no longer serviceable should be replaced with

approved corrosion-resistant tanks or non-corrodible tanks.

2 Water samples shall be taken from every compartment of every storage

tank and sent to a SINGLAS-accredited laboratory * or government

laboratory for chemical and bacteriological analyses. The analyses

shall include the following parameters which relate to the state of the

water in the tank:

Chemical Analysis Bacteriological Analysis Parameters Parameters

Iron Total Colony Count Colour Total Coliform Count Turbidity Conductivity Residual Chlorine PH

3 If any of the water samples fail any of the above analyses, the relevant

storage and shall be immediately flushed, cleaned and sterilised. Fresh

water samples shall then be taken from the said tank and sent to the

laboratory for analysis.

4 The procedure stated in paragraph (4) shall be repeated until

satisfactory results are obtained.

5 The results of the analysis shall be submitted to the Director, Water

Department together with the certification as shown in the Appendix A.

6 Pumping equipment should also be inspected to ensure that they are in

satisfactory working condition and that there is no excessive vibration

or noise. *SINGLAS – Singapore Laboratory Accreditation Scheme administered by SPRING.

A list of the accredited Laboratories is shown overlead.

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V. PUBLIC ADDRESS SYSTEM

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1 VOICE COMMUNICATION SYSTEM/PAGING SYSTEM 1.1 General Services

(a) Check speakers and volume control are functioning normally. (b) Test speaker zoning and all call zone from microphone console. (c) Reset individual power amplifier volume to suit the area of speakers’

zone. (d) Service cassette deck and test all cassette units. (e) Check and servicing zoning and overriding relay contacts to ensure

there is no pitting. (f) Cleaning main equipment rack.

1.2 The maintenance of the equipment and system shall be carried out quarterly

which include the following:

(a) Programming of receiver (b) Check indicator, display, controls and speech of the receiver to ensure

its workability (c) From operator’s station – check all function and programming software (d) From charging rack – check supply from proper charging (e) From connection and power supply box – check power supply unit to

ensure sufficient voltage and alarm contracts. (f) From transmitters: Check synchronization and standing wave radio

(SWR) from optimum performance, ensure sufficient power radiated and make correction in the event of drift.

(g) In the event of any breakdown/repair, the Company will provide prompt

servicing upon being notified. 2 MUSIC SYSTEM – QUARTERLY SERVICE 1.3 Tape Machine

(a) Clean tape head/roller (b) Motor Speed normal (c) Belting replaced / checked

1.4 Pre-Amplifier

(a) Volume Setting (b) Tone Control Alignment (c) Pre-amp, module(s) checked (d) Distortion checked (e) Others

1.5 Power Amplifier

(a) Volume and Tone control alignment (b) Pre-amp Module checked (c) Distortion checked (d) Output level setting checked (e) Others

WPA-1

VI. ROLLER SHUTTER/GRILLES/CRAWFORD DOORS/SWINGFLEX

DOORS

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1 ROLLER SHUTTERS/GRILLES/BI-FOLDING DOORS

The servicing and maintenance shall be carried out once in every three-month

(4 servicing a year). The servicing shall include the following works: -

(a) Clean and grease all shutter side guides, all U channels and clean

shutters with solution of water/detergent.

(b) Check limit switch assembly and adjust when necessary.

(c) Check and grease mechanism condition, lubricate when necessary.

(d) Check and lubricate gear chains and motors.

(e) Check and tighten all bolts and nuts.

(f) Check and tighten all electrical connections

(g) Servicing and straighten roller metal strips replace if damaged and re-

align when necessary.

(h) Check effectiveness of braking system brake lining, and re-adjustment

of stop and start at approximately level.

(i) Touch up all rusty parts when necessary.

(j) Check and test manual operation of shutters.

(k) Check all external and internal wiring of motor control.

(l) Repair of damaged roller shutter, motor, chain hoist, lockset, motor

casing and all related parts of the roller shutter system. 2 AUTOMATIC BARRIER GATE

The auto barrier gate system shall be serviced monthly. The servicing shall

include the following: -

(a) To check all electrical connections, hydraulic system, control box,

tighten any loose connections, grease, align and replace any defective

parts.

(b) Test run to ensure auto barrier gate system is in good working

condition.

(c) Any other related works to maintain the auto barrier gate system in

working condition.

VI. ROLLER SHUTTER/GRILLES/CRAWFORD DOORS/SWINGFLEX

DOORS

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2 QUARTERLY SERVICING OF SWINGFLEX DOORS

Scope of Work

(a) Check and grease mechanism condition, lubricate when necessary.

(b) Check and tighten all bolts and nuts.

(c) Check and test the spring function, adjust when necessary.

(d) Check and test the jack plate function.

(e) Check the alignment of the door leaves, adjust if necessary.

(f) Check the appearance of door leaves, make recommendation to

replace when necessary.

VII. BUILDING AUTOMATION SYSTEM

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1 BUILDING AUTOMATION SYSTEM

Maintenance Schedule as per Supplier’s/Manufacturer’s recommendation.

VIII. WASTE DISPOSAL

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1 ‘FIX-IT PROGRAMME’

This programme comprises of the following:

(a) Contractor’s staff delegates to be in this fix-in team (FIT).

(b) The said staff would be in charge of a specific location or area and he

would be required to carry out defined scope of work.

(c) The said staff would be required to respond to the owner’s

representative or tenants whenever necessary for carrying out his

works.

(d) General tools and common spare parts to be allocated to the FIT staff

for his immediate response to repair work.

(e) The FIT staff’s responsibility priority is first to repair works then followed

by maintenance where time permits.

(f) The FIT staff’s defined scope of work.

(i) Minor repair of existing defective sanitary, plumbing, carpentry,

building, mechanical and electrical works.

(ii) Re-set of electrical power trip, locate electrical faults, replace

faulty lights and liaise with Contractor’s other staff.

(iii) Replacement or repair of existing defective taps, tap washers,

tap spindles, showers head/hose tubing, flushing handles,

hooks, cistern, covers, window, door hinges locks, cupboard,

cabinets, furniture, ceiling board and chairs.

(iv) Attendance and co-ordination at site of major repairs.

(v) Documentary recording of FIT staff’s daily work and work

request received.

(vi) Liaise with Contractor’s other staff.

(g) The working hour of FIT staff shall be normal office hour.

(h) FIT staff name and particulars are to be given to the Owner’s

representative upon the commencement of the Contract and from then

on, the contractor is required to inform of any changes in the particulars

of the staff accordingly.


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2 ‘WALK-THROUGH’ PROGRAMME 2.1 The purpose of the walk-through (WKT) programme is to establish a WKT team

to carry out the following work.

(a) To spot and rectify minor defects where on the spot repair can be

completed.

(b) To inform the Contractor’s staff of breakdown works requiring repairs.

(c) To record on possible complaints or preventative maintenance

measures required in all public areas. 2.2 For the purposes of inspection, the WKT team shall consist of technical

personnel who are competent to carry out the services. 2.3 The WKT team staff shall be equipped with walkie-talkies and forms for filling

during the daily inspection. 2.4 The WKT detailed implementation plan or form shall include the following

details:

(a) Frequency of visits.

(b) Route of patrol.

(c) If faults and defects have been observed with regards to a specific

service, the time should be noted.

(d) The name of the staff should be noted to whom the fault or defect has

been conveyed to.

(e) If a fault is repaired or made good, it is to be recorded.

(f) Observation of previous faults or defects completed, in process or

outstanding.

(g) WKT forms completed and copied to relevant parties.

(h) WKT staff are required to sign off and identify themselves. 1 SCOPE OF MINOR WORK

The term “general repairs/replacement” shall mean to include the following

items: - 2.5 Taking out silt loose muddy soil or other materials from existing gullies traps,

running stormwater, channels, drains, grease traps or sump pits, cutting grass

on sloping banks of drains and removing silt and grass and deposit, spread and

level in positions or remove off site, all as directed by SO. 2.6 Clearing all chokes and replacing if necessary weep pipes, water sprouts, etc

(any type)


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FIX-IT PROGRAMME

The term” general repairs/replacement” shall mean to include the following

items: - 2.7 Making good all damaged concrete vents (any type) but not amounting to

replacement of blocks. 2.8 Making good damaged precast concrete, brick, quarry tile or other materials

copings, sills, steps, arches, kerbs, etc but not amounting to replacement of

section. 2.9 Investigating and spot curing all roof leaks in roof covering (which includes any

type excluding flat roof and roofs that are covered by guarantee) including providing new to match existing tiling, corrugated roof sheeting or the like; replacing metal hook bolts, drive screws or tying wires or the like; scaling existing nail, screw or bolt heads, side and end lapswitch sealing compound or cement mortar as instructed; replacing damaged sealing or cement mortar and keep roof free from leaks for a period of 12 months from the day of completion of work. (NB: Each spot shall not amount to replacement of exceeding 1.00m of new roof covering and in the case of profiled metal sheets but include accessories, fittings such as capping, fascia, etc not exceeding 1.00m).

2.10 If the timber door has to be taken down and hanged, the Contractor is required

to cut not more than 2 short lengths per door or opening (i.e. Each not

exceeding 750mm long) and the Contractor is required to replace damaged

styles, rails, ledges, braces and the like to timber doors, windows and fitment

doors etc. (any type and thickness). 2.11 If a door has to be taken down and hanged, the Contractor is required to cut

not more than 2 short lengths per door or opening (i.e. Not exceeding 0.50m)

and the Contractor is required to board or panel doors, windows, fitment doors,

etc (any type and thickness). 2.12 The Contractor is required to make good or rectify all loose lengths of beads,

picture rail, skirtings and architraves.

2.13 Taking out where necessary loose boarding, treads, risers, nosing, strings,

balusters, handrails, newels, ramps, wreaths or staircases, framings and the

like (any design and size) any refix and re-cramp including providing new

wedges, nails, screws etc (any others not mention) requiring replacement shall

be measured and valued as extra. 2.14 The Contractor is required to remove, pull out, and reaffix (with new boards

which match the existing boards) loose fibreboards, cementboards,

hardboards, plywood, signboards and the like including fillets of any type and

size. The Contractor is required to provide new nails, screws or other fixtures.

In addition to the foregoing, the Contractor is required to patch up patches not

exceeding 0.50m and up to a total area of 10m on the wall, floor, ceiling, steps

and the like. 2.15 The Contractor is required to reaffix loose tiles, cement mortar or add

adhesive where required.


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2.16 Fixing back all loose lengths of metal, plastic and other materials, dividing

strips, edges, nosings and the like to floor, wall, doorway, step and the like. 2.17 Fixing back all loose and defective putty and sealant from glazed windows,

partition and the like and re-putty or refill with approved sealant. 2.18 Taking out window and doors, re-doweling, re-wedging, recramping, rehinging,

easing and adjusting, planning and smoothening out rough projects, replacing

decayed, glazing beads and/or defective hinges and refixing to form project

and smooth running fit. 2.19 Oiling of locks, hinges and other ironmongery. 2.20 Taking down and refixing vertical blinds where necessary and patient curtain

rails and put to working order including providing brackets, cords, ropes,

clamps, pulleys and other necessary accessories. 2.21 Remove damaged wall paper or lining on the wall and re-lay to match existing

(less than 1 standard pieces) 2.22 Remove damaged carpets and floor openings and relay (less 1 sq. metro) 2.23 Taking out where necessary existing metal fencing gate (any type but excluding

rate exceeding 5m per leaf and adjust, replace and weld small sections (ie.not

exceeding 0.30m length of frame) of gate and rehang gate including replacing

where necessary hinges, steps, guides, plates, drop bolts, etc and all welding. 2.24 Taking out where necessary existing posts (any type and for gates not

exceeding 5m) and refix including scrubbing up concrete foundation, removing

off site and providing new foundation to match. 2.25 Oiling or greasing to existing collapsible gate, roller shutters, folding and sliding

doors, adjustable metal, louvred frames and the like and put them in smooth

running condition. 2.26 Spot welding any loose metal point in window, door, partition, and the like

including taking down and refixing if necessary. 2.27 Refixing all loose or replacing all damaged or missing wire gauge (any type)

and hardboard infill to cupboard doors, etc including provision of boards. 2.28 Replacing all damaged or missing float, valves, level, chain, pull handle, covers

and other incidental accessories and overhauling to working condition. 2.29 Renewing all damaged or missing plug and chain to basins, sinks, troughs and

the like. 2.30 Replacing broken or missing glass shelves and brackets. 2.31 Replacing washers to all taps and valves.


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2.32 Reconditioning and cleaning delay action taps, valves and regulators. 2.33 The Contractor is required to test the whole plumbing system before and after

repair work is done. In addition to that, the Contractor is required to detect pipe

leakages, chokes, other defective works and fittings and he is required to submit

reports to the SO. The Contractor is required to repair pipe leaks, clear chokes and

repair defective works and fittings of the plumbing system. The plumbing system

shall mean all cold water supply, soil and waste pipes, vents pipes, sanitary fittings

and all other waste pipes located within the boundary of the building of structure

and not under the control of the Employer. The lump sum does not include

replacement work and in the event that replacement is necessary, this shall be

measured and the remuneration shall be made according to the rates specified in

the Fixed Schedule of Rates. 2.34 The Contractor is required to test the whole drainage system before and after

repair work is done. In addition to that, the Contractor is required to detect chokes and other defective works and he is required to submit reports to the SO. The Contractor is required to clear chokes and repair defects of the drainage system. The drainage system shall include sump-pits and grease traps, inspection chambers, manholes and the like located within the boundary of the building and not under the control of the Ministry of Environment. The lump sum does not include replacement work and in the event that replacement is necessary, this shall be paid according to the Fixed Schedule of Rates.

2.35 Inspect and repair all building cracks. Where structural defects are discovered

the Employer must be informed immediately. 2.36 Touch up painting on wall and ceiling not exceeding 10-sq. metre is to be

carried out by the Contractor. 2.37 The Contractor is required to touch up and re paint the road paint (irregardless

of size) in the warehouse as and when required by SAS. SAS will pay

contractor the cost of the paint only. 2.38 The Contractor is required to patch up the entire potholes (not exceeding 30cm in

diameter) in the warehouse’s floor with suitable epoxy or equivalent materials. The

type of materials used will have to be approved by the SO. The cost of patching up

the pothole has to be incorporated in the contract sum.


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1. To engage licensed waste disposal services on behalf of the company:

8 bins on site (L 16ft x W 8ft x H 5ft)

Average 7 – 8 daily trips to dispose

2. Produce report on:

Weight of waste disposed

Weight of waste recycled

Breakdown of the weight of the different materials being recycled

3. To maximise recycling of waste material with target to recycle at least 60% w/w of waste generated.

IX. PEST CONTROL

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The Contractor shall implement pest control regimes for the areas at the stipulated frequencies:

a. AFT 1-4 (Non-Coolport)/AFT 5/AFT 6

Scope of Work

o Flies, rodents, mice, cockroaches, lizards and ants control

o Inspection and detection of mosquitoes breeding

o Thermal fogging

o Termite control

Frequency

o Level 1/1M Warehouse/Offices – monthly

o Level 2/3/4 General Area/Offices/lockers – monthly

o Horse bay - monthly

o Canteens (Fumigation only)–

Core C – monthly (to be planned)

Core K – monthly (Friday after 7pm)

b. AFT 1-4 (Coolport)

Scope of Work

o Flies, rodents, mice, cockroaches, lizards and ants control

o Thermal fogging

o Termite control

o Rodent inspection

o Setting up baits and traps (glue boards and bait stations)

Frequency

o Fortnightly

X. INDOOR HORTICULTURE

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Watering and pruning of plant:

Location Frequencies

External landscape AFT1-6 (along all the core lobbies)

Fortnightly

Internal plants

a. Coolport level 2 b. AFT5 Core K Level 4 Human

Capital c. AFT5 Core K level 5 lift lobby d. AFT5 Core K Level 5 Cargo admin e. AFT5 Core K level 5 Cargo

account f. AFT5 Core L Technology Office

Weekly

- –

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