MAINTENANCE SCHEDULE
Specification - Electrical Services
No. Detail Maintenance Frequency
D W M 3M/6M Y/2Y 1.0 1.1 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.1.7 1.1.8 1.1.9 1.1.10
MAIN SWITCH BOARD AND LOW VOLTAGE COMPONENTS Switch Room Including Riser Room
Cleaning of switch room & riser rooms Cleaning of cable trench/condition of cable trench (ensure clean, water free and slab cover - ok)
Cleaning and repairing doors, locks and repainting (if necessary)
Check to ensure that "No Smoking", No Admittance" & "Danger Signs". Treatment Shock Card" & Schematic Drawing are in good condition and are visible/readable and replace if
necessary
Check to ensure fire-extinguisher and C02/halon system are in good working condition, expiry date not due and take the necessary action
Check rubber mat in front of the main switch board-replace if damaged
Ensure all electrical spares are sufficient and stored in order and maintenance in good condition
Check antivermin wire mesh - replace/ repair if necessary.
Check the roof/floor above to ensure no leakage/damage - repair if necessary Ensure no water flowing into Switch Room/Riser room X X X X X X X X X Y
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 1.1.11 1.1.12 1.2 1.2.1 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6 1.2.7 1.2.8 1.2.9 1.2.10 1.2.11
Check wiring and electrical fittings, power points, light fittings, and exhaust fans. Check duct seals
Main switch Board/Sub-switch boards
Check all indicator light, selector switches, voltmeter, ammeter, power factor meter etc – replace if faulty
Check and retighten all screws, contactors, termination etc.
Check condition of cables for burn marks, insulation leakage and other abnormal conditions
Record readings for maximum current, voltage, power factor, etc into the log book and take necessary action
Test cable insulation, cable box cable terminations and other related connections Test earthing system and all terminations, connections etc.
Testing, calibration and resetting, all earth fault and overcurrent relays inclusive of current transformers, voltage transformers etc.
Check copper busbars and ensure that is in good condition
Do load balancing Balance to + 5% of load
Check capacitor Bank conditions
Check contactors, capacitors etc. change when required X X X X X X X X 6M Y 2Y 2Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 1.2.12 1.2.13 1.3 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 1.4 1.4.1 1.4.2 1.4.3 1.4.4 1.4.5 1.4.6
Check P.F. meter and ensure p.f is better than 0.85 lagging
Retighten all cables etc.
Air Circuit Breakers (ACB)
Clean arc chute and arc contacts and replace as necessary
Clean all insulating parts
Adjust & calibrate circuit breaker Grease all moving contacts and related components
Test tripping mechanism to ensure that it is in good working condition
Check and retighten all wiring and connections
Fuse switches/Switch fuses
Check cover for any damage – replace or repair as necessary
Check switch handle for any damage – repair/replace as necessary
Continuity test on fuses – replace with correct rating if damage/faulty
Retighten fuse carriers
Clean contacts with clean cloth to ensure good contact
Retighten all connections/termination to prevent from any sparking when loaded
X X X X 6M 6M 6M 2Y Y Y Y Y Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 1.5 1.5.1 1.5.2 1.5.3 1.5.4 1.5.5 1.5.6 1.6 1.6.1 1.6.2 1.6.3 1.7 1.7.1 1.7.2 1.7.3 1.7.4 1.7.5 1.7.6 1.7.7
Residual Current Device (RCD) (including rccbs)
Retighten all connections, termination etc. Check and test switch handle
Tripping test on RCD – replace if faulty Test for earth continuity
Retighten all earth electrode terminations Test RCD tripping time and sensitivity
Moulded case Circuit Breaker (MCCB)
Check switch handle and ensure that it operates “ON” and “OFF”
Retighten all connections, terminations etc Check ELR functions/trippings
Distribution Board
Check condition of distribution board Ensure that “Danger” and schematic diagram are available and readable/visible Check and ensure spares ways available in the distribution board
Retighten fuse handle Test on continuity of fuses Check MCBs for tripping test
Retighten all connections, terminations etc. X X 3M 3M 3M 3M Y Y Y Y Y Y Y Y Y Y E
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 1.7.8 1.8 1.8.1 2.0 2.1 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8 2.2 2.2.1
Check and clean internal part of the distribution board
Surge Suppressors
Check all surge suppressors
LOW VOLTAGE DISTRIBUTION SYSTEM
Bare and insulated aluminium conductor (over head line) where applicable
Check condition of pole – to reinstate to upright position and replace if
damaged/unsafe
Ensure that no tree branches touching the live conductors
Retention of cables when found sagging Check insulation and replace if insulation is damage/unsafe
Check stay wires and retention as necessary
Check insulators for stay wires – replace when necessary
Check and test cable earthing Retighten all line taps
Paper or XLPE or PVC insulated armoured underground cables
Test cable insulation
X X Y Y Y Y Y Y Y Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 2.2.3 2.2.4 2.2.5 2.2.6 2.2.7 2.3 2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 2.3.7 2.3.8 2.3.9 2.4 2.4.1
Phasing out test
Retighten all connection, terminations etc. Check all cable route markers – replace if found missing / damaged
Check labeling
Check cable end terminations and cable end boxes
Busduct and submain risers in trunking/cable tray
Check and ensure that trunking is clean and in dry condition
Check and ensure that no condensation present in the trunking
Test for insulation and continuity Check busbar support – replace when necessary
Check busbar support – replace when necessary
Check fire barriers – replace if damaged Retighten all connections, terminations etc.
Ensure that trunking is mounted properly and safely
Ensure trunking covers intact
Mineral insulated type cable
Text for insulation and continuity
X X X X X Y Y Y Y Y Y Y Y Y Y
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 2.5 2.5.1 2.5.2 2.5.3 2.5.4 2.5.5 2.5.6 2.5.7 2.5.8 2.5.9 3.0 3.1 3.1.1 3.1.2
XLPE/PVC insulated type cable on cable tray
Check and ensure that trunking is clean and dry condition
Check and ensure that no condensation present within the trunking
Test for cable insulation, between cables and continuity
Check trunking earth copper tape
Check cable supports – replace if damaged Check fire barriers – replace if damaged Retighten all connections, terminations etc Ensure that space factor of 45% is not exceeded
Ensure that trunking is mounted properly and safety
LUMINAIRES, SWITCHES AND SOCKETS OUTLETS, FANS, WATER HEATERS, P.A. SYSTEM, MOTORS AND WATER PUMPS AND
OUTDOOR LIGHTING Luminaires
Check components of light fittings eg. Cable, lamp holder, lamps, control gear etc.
Ensure that “KELUAR” sign is in good working condition X X X X X Y Y Y Y Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 3.1.3 3.1.4 3.2 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.2.7 3.2.8 3.2.9 3.3 3.3.1 3.3.2 3.4 3.4.1
Test emergency light fittings
Replace KELUAR & Emergency light fittings.
Fluorescent Luminaires (Including SL & PL Type
Check and ensure that the tube is in good condition
Check and ensure that no black mark or oil trace
Check and ensure that no burnt marks at both ends of the tube
Check conditions of capacitor
Check conditions of whole luminaries and replace if necessary
Ensure that no noise generated from the ballasts – replace if necessary
Check starter to ensure in good working conditions
Retighten all connection, terminations etc. Check other luminaries (incandescent)
Switches and switch sockets outlets
Ensure no damage from visual inspection Open, clean and retighten all connections, termination etc.
Fans (Ventilating & Exhaust)
Check and clean fan
X X X X X X X X X X X X X 5Y
Specification - Electrical Services
No. Detail D Maintenance FrequencyW M 3M/6M Y/2Y 3.4.2 3.4.3 3.4.4 3.4.5 3.4.6 3.4.7 3.4.8 3.4.9 3.4.10 3.4.11 3.4.12 3.5 3.5.1 3.5.2 3.5.3 3.5.4 3.5.5
Ensure continuous rotation/functionality Ensure that no noise being generated – repair/replace if necessary
Check safety wire rope
Ensure that the exhaust fan is not blocked Ensure that all bolts and nuts, connections, suspension rod, rubber mounting are in good condition
Check condition of regulator Test for insulation – and earthing
Check regulator and ensure that no noise generated during operation
Retighten all connections, terminations etc. for the fan
Retighten all connections, terminations etc. to the regulator
Ensure auto louvers in working condition
Water Heater
Check and clean water heater
Check and ensure that no water leakage to the connecting pipe and tank
Check and record load
Check and retighten connections, earthing terminations etc.
Check temperature range as stated in manufacturer’s specifications X X X X X X X X X X X X X 6M 6M Y
Specification - Electrical Services
No. Detail D Maintenance FrequencyW M 3M/6M Y/2Y 3.5.6 3.5.7 3.5.8 3.5.9 3.5.10 3.6 3.6.1 3.6.2 3.6.3 3.6.4 3.7 3.7.1 3.7.2 3.7.3 3.7.4 3.7.5 3.7.6 3.7.7
Check condition of safety valve Check indicator light
Check and retighten connection and to the double pole switch
Check pressure control switch functional Check r.c.d. for function
Public Address (PA) System
Check functionality of complete PA system
Check and clean amplifier, loud speakers, microphone mixer, tuner, players and other related equipment
Check and retighten all connections Inspect & service battery/battery charger
Motor, protection equipment and water pump
Check and clean motor from dust
Check ventilation holes to prevent from blockage
Check motor noise level and ensure that there is no friction
Check motor mounting/alignment/vibration Check functionality of hand driers
Check and test for fuse
Check and test for emergency switch
X X X X X X X X X X X X X X X X
Specification - Electrical Services
No. Detail D Maintenance FrequencyW M 3M/6M Y/2Y 3.7.8 3.7.9 3.7.10 3.7.11 3.7.12 3.7.13 3.7.14 3.7.15 3.7.16 3.7.17 3.7.18 3.7.19 3.7.20 3.7.21 3.8 3.8.1 3.8.2 3.8.3
Check protection system and limit Check temperature oil dashpot relays Check short circuit protection
Check earth fault relay
Check anti condensation heater Check bearing temperature Check overload protection relay Check thermistor relay
Check and retighten all connections, terminations for protection equipment Check motor speed
Carry out insulation and continuity test Check slip rings and commutators Check motor couplings
Check and retighten all connections, termination etc. to motor
Outdoor Lighting – Compound and Street Lighting, Building Floodlighting & security Lightings.
Ensure light fittings functional
Check by visual inspection condition of poles and light fitting, lamp cover, control switch gear etc.
Check control components and retighten all connections and termination
X X X X X X X X X X X X 6M Y Y Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 3.8.4 3.8.5 3.8.6 3.8.7 3.8.8 3.8.9 4.0 4.1 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.1.7
Check time switch Check isolator
Check condition of cable Check mounting and support Check and clean light fittings
Check for paint works/Rust and corrosion & repair as necessary
ELECTRICAL TESTING (TO ENSURE COMPLIANCE WITH B.S. 7671:1992-16TH EDITION IEE WIRING REGULATIONS; MS.IEC 60364-1996) General Testing
Check condition of electrical equipment by usual inspection to check for fault indication on switches, socket outlets, light points, light fittings etc.
Test and check accuracy of all meter (in switchboards and control panels) Check condition of main/sub switchboards Check conditions of distribution boards Check and test all circuit breakers and fuses
Retighten all connections, termination etc Record locations for each final circuit, check with record available at distribution board and update when necessary
X X X X X X X 6M Y Y Y Y Y
Specification - Electrical Services
No. Detail D Maintenance FrequencyW M 3M/6M Y/2Y
4.2 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.2.6 4.3 4.3.1 4.3.2 4.3.3 4.3.4 4.4 4.4.1 4.5 4.5.1
Final circuit continuity and protection circuit tests
Check condition of protective conductors Check condition of wiring
Check copper tape for trunking
Check and test protection system for conduits
Test for final circuit continuity Test for protective circuit continuity
Installation Impedance Measurement
Check and test all circuit breakers and fuses
Check, test and measure insulation
impedance between conductors and between conductors to earth
Record locations for each final circuit, check with record available at distribution board and update when necessary
Retighten all connections, terminations etc.
Identification of Polarity
Test electrical wiring polarity for light points, switches, power points etc.
Measurement or earth fault loop impedance
Test & record earth fault loop impedance
X X X X Y Y Y Y Y Y Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 4.6 4.6.1 4.6.2 4.7 4.7.1 4.7.2 4.7.3 4.7.4
Testing of Residual Current Devices
Test operation of residual current circuit breaker by pressing the ‘trip’ button
Test & record for sensitivity of residual current circuit breaker
Measurement of earth electrode impedance
Test & record for earth conductor continuity Check and retighten connections, terminations for earth electrode
Check condition of concrete inspection box for earth electrode
Test measure & record electrode impedance
X X Y Y Y Y
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 5.0 5.1 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 5.1.6 5.1.7 5.1.8 5.1.9 5.2.0 5.3 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 UPS(UNINTERRUPIBLE POWER SUPPLY) Batteries
Check battery type (Lead Acid or NiCD) and record voltage output of each cell
Check batteries electrolyte level – top up or replace when necessary
Check S.G of electrolyte (if lead acid type) Check and clean terminal from acid corrosion
Check cleanliness of cells
Check, clean, retighten vent plug Check connections between cells for
cleanliness, and lubricate with petroleum jelly Remeasure and record cell output voltage after maintenance
Check ventilation in battery room For nickel cadmium batteries release air bubbles trapped in the batteries to prolong battery life time
Battery charger
Check and record incoming voltmeter reading Check and record incoming ammeter reading Check and record battery voltmeter reading Check and record battery ammeter
reading X X X X X X X X X X X X X X
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 5.3.6 5.3.7 5.3.8 5.3.9 5.4 5.4.1 5.4.2 5.4.3 5.4.4 5.4.5 5.4.6 5.4.7 Check ‘cubicles’
Check and retighten all connections Check indicators for protection system as follows
:-i) ‘thyristor’ fuse ii) A.T high voltage iii) Battery fuse
iv) Current control limit
v) thyristor choking fan failure vi) power failure
vii) battery voltage low viii) earth fault
ix) other (if any)
Check and clean all heatsink, capacitor and P.C.B’s (use dry brush or vacuum cleaner)
Invertor
Check and record voltmeter reading Check and record frequency reading Check and clean ‘cubicles’
Check and record volt-ampere reading Check accuracy of all meters (to Manufacture’s recommendation) Check connections
Check protection system:-- current control - fan failure
- voltage abnormal - high current - over current - other (if any)
X X X X X X X X X X X
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 5.5 5.5.1 5.5.2 5.6 5.6.1 5.6.2 6.0 6.1 6.1.1 6.1.2 6.1.3 6.1.4 6.1.5 6.1.6 6.1.7 6.2 6.2.1 6.2.2 6.2.3 6.2.4 6.2.5
Static transfer switch
Check control circuit
Check completeness of switch functions
Maintenance by-pass switch
Check cleanliness of ‘cubicles’
Check completeness of switch functions
Generator set Lubrication System
Check engine oil level Change engine oil
Change oil full flow and bypass filters Check hydraulic governor oil
Change hydraulic governor oil
Lubricate tachometer drive and throttle control mechanism
Check and rectify external leaks
Fuel System
Change fuel system
Adjust injectors and valves
Recalibrate fuel pump and injectors Drain water and sediment from fuel tank, tighten all fuel line connections
Check fuel level X X X X X X X X X X Y Y Y Y Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 6.3 6.3.1 6.3.2 6.3.3 6.3.4 6.3.5 6.3.6 6.3.7 6.3.8 6.3.9 6.3.10 6.4 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 Cooling System
Check cooling water system level Change water filter
Check and adjust water pump belts tension Check and adjust fan belts
Dismantle and service water pump fan hub and idler pulley assembly and the associated bearings
Check hoses for deterioration Check and rectify external leaks Check and clean radiator fins
Check coolant – change if necessary Change fan belt
Air System
Check and clean air cleaner element wet/dry Change air cleaner element if required Check and clean crankcase breather element Change crankcase breather element
Check and tighten all air hose connections from Air Filter to Air Manifold
Check and clean Turbo charger (if any) Check and adjust (if necessary) clearance of
X X X X X 6M 3M 3M 6M Y Y Y Y Y Y Y Y
Specification - Electrical Services
No. Detail D WMaintenance FrequencyM 3M/6M Y/2Y 6.4.8 6.5 6.5.1 6.5.2 6.5.3 6.5.4 6.5.5 6.5.6 6.6 6.6.1 6.6.2 6.6.3 6.6.4 6.6.5 6.7 6.7.1 6.7.2
Check and clean blower screen (if Necessary)
Electrical System (To comply with 5.1 & 5.2
Check battery type (Lead acid or NiCd) Check battery electrolyte level add if necessary. Check S.G if lead acid type Check battery charger
Check and test electrical connections
Check and clean battery, starter and terminal Check AVR
Alternator
Inspect alternator, clean and blow out dust Grease bearings
Insulation check on Main Stator, main rotor and excitor stator and excitor rotor
Check and retighten drive coupling bolts Change all carbon brushes (if applicable)
Generator set control panel
Check and service generator set control panel (AMF) including all relays wiring connections etc. and Automatic changeover contactor located in the Main Service Board Test safety indicating and alarm devices for normal functioning of over-speed, over temp, oil pressure, overload, low fuel etc.
X X X X X X X X X 6M 6M 6M Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 6.8 6.8.1 6.8.2 6.8.3 6.8.4 6.9.1 6.9.2 6.9.3 7.0 7.1 7.1.1 7.1.2 7.1.3 7.1.4
Operations Testing and General Servicing
Test running condition (with no load ) for 30 minutes
Test running condition (with load) for 30 minutes
Simulation of supply utility power failure etc. On the essential Switch Board by switching off mains supply to the automatic Changeover Contactor
Perform engine turning up if necessary Check acoustic system (air intake, outlets, attenuators, acoustic door)
& measure and record noise level To clean & clear surrounding, drain and external compound of the room
To clear, clean and vacuum the interior Room window and door louvers etc.
HIGH VOLTAGE SYSTEM
High Voltage Switchborad (11kV and above)
Test insulation at 5kV and record in megaohms.
Check all connections, conductors, busbars, switch contacts, fuse contacts, etc. tighten & rectify if necessary.
Check all cable boxes.
Clean and vacuum inside switchboard.
X X X X X 3M Y Y Y Y Y
Specification - Electrical Services
No. Detail D WMaintenance FrequencyM 3M/6M Y/2Y
7.2 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.2.6 7.2.7 7.3 7.3.1 7.3.2 7.3.3 7.3.4
Oil Circuit Breaker
Inspect OCB, measure insulation at 5KV and record.
Recondition contacts, adjust stroke, wipe, Overshoot stop and latch, and operating
Mechanism, record closing and opening times of each pole to verify correct adjustment.
Check condition of tension rod & turbulator pod and flush breaker components and tank with clean oil.
Lubricate auxiliary contacts with copper grease and test conductivity of contacts, record results. Check and adjust trip operations, interlock integral earthing and report.
Test acidity and insulating oil for dielectric strength until it passes test of 30KV at 4mm gap for one minute or equivalent approved standard. Change insulating oil (if necessary)
Vacuum Circuit Breaker (VCB)
Inspect and clean VCB for contamination, moisture and corrosion.
Check the spring operating mechanism, condition of the lubrication on rotating and sliding bearing surfaces.
Check the breaker pole with vacuum interrupter for any suspect damage.
Check auxiliary switch, shunt releases/blocking magnets, charging motor and d.c. rectifier.
X Y Y Y Y Y Y Y Y Y Y
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 7.4 7.4.1 7.4.2 7.4.3 7.4.4 7.4.5 7.4.6 7.5 7.5.1 7.5.2 7.5.3 7.5.4 7.5.5 7.5.6 SF6 Circuit breaker
Check pressure indication. Report if any low gas pressure.
Check, test auxiliary and solid-state relay circuits.
Inspect and clean external surface. Report if any defect.
Check all connections and cable boxes condition and report.
Check and adjust, if necessary all operation and interlocks against inadvertent erroneous
switching and report.
Check geared motor operating condition.
Ring Main Unit (Oil Type)
Inspect and clean external surface. Report if any defect.
Check all connections and cable boxes condition and report.
Inspect Ring Main Unit, (HFU switch fuse, OLU oil switch, Busbar & Isolater) measure insulation at 5kV and record.
Check and adjust, if necessary all operation and interlocks against inadvertent erroneous
switching and report.
Test insulating oil for dielectric strength until it passes test of 30kV at 4mm gap for one minute or equivalent approved standard.
Change insulating oil ( if necessary)
X X X 6M 6M 6M Y Y Y Y Y Y
No. Detail D WMaintenance FrequencyM 3M/6M Y/2Y 7.6 7.6.1 7.6.2 7.6.3 7.6.4 7.7 7.7.1 7.7.2 7.8 7.8.1 7.8.2 7.8.3 7.8.4 7.8.5 7.8.6 7.8.7
Metering (Voltmeter and Ammeter)
Check meters condition inclusive of glass covers
Ensure that the pointer is at zero when not in use
Ensure that the reading indicated by the meters is correct – recalibrate if necessary
Record voltmeter and ammeter maximum readings to ensure correct readings and no occurrence of overload
Protection relays
Recalibration of overcurrent and earth fault relays
Recalibration of transformer protection (for oil-filled transformer) Bucholtz relay
Direct Current (D.C) Supply
Check battery type (Lead Acid or NiCD) and record voltage output of each cell
Check batteries electrolyte level – top up or replace when necessary
Check S.G of electrolyte (if lead acid Type
Check and clean terminal from acid corrosion
Check cleanliness of cells
Check, clean, retighten vent plug
Check connection between cells for cleanliness, X X X X X X X X X X X 2Y 2Y
Specification - Electrical Services
No. Detail D WMaintenance FrequencyM 3M/6M Y/2Y 7.8.8 7.8.9 7.8.10 7.8.11 7.9 7.9.1 7.9.2 7.9.3 7.9.4 7.9.5 7.10 7.10.1 7.10.2 7.10.3
Remeasure and record cell output voltage after maintenance
Check ventilation in battery room Check all meters functional
For nickel cadmium batteries release air bubbles trapped in the batteries to prolong battery life time
Transformer (oil-filled type)
External surface to be cleaned and to touch up with paint if necessary, oil leakage to
Be arrested, if necessary.
Check oil level, max. Temperature, silicagel condition to be recorded. If necessary top up oil, replaces silicagel and determine
Check all connection and cable boxes condition and report
Test acidity and insulating oil for dielectric strength until it passes test of 30Kv at 4mm gap for one minute or equivalent
standard
Oil conditions, refilter or change when necessary
Transformer (Resin/dry Type)
Check the winding temperature and instrumentation circuits.
Check the cooling fan operation.
Check visual inspection of coils, wiring and monitoring equipment for any suspected damage X X X X X X X X Y Y Y Y
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 7.10.4 7.10.5 7.10.6 7.10.7 7.10.8 7.11 7.11.1 7.11.2 7.11.3 7.11.4 7.12 7.12.1 7.12.2 7.12.3 7.13 7.13.1 7.13.2
Check all connections for correct degree of tightness.
Test and measure insulation resistance. Record all measurement.
Clean and remove dust/contamination from transformer.
Check and rectified for any abnormally high temperature/noise level and rectify.
External surface to be cleaned and to touch up with paint if necessary.
11kV Cable (& Cables>1kV)
Check compound in cable box (if PILCDSTAS cable) for any abnormal condition.
Ensure that no digging being done near underground cable route
Test cable insulation Checked cable makers
Earthing System
Retighten all connections, terminations, earthing.
Retighten all earth electrode terminations and ensure corrosion free
Test and measure earth electrode impedance
H.T. Switch Room
Cleaning of switch room
Cleaning of cable trench/condition of cable
X X X X X X X X X Y Y Y Y Y
No. Detail D WMaintenance FrequencyM 3M/6M Y/2Y 7.13.3 7.13.4 7.13.5 7.13.6 7.13.7 7.13.8 7.13.9 7.13.1 0 7.13.1 1
Cleaning and repairing doors, locks and repainting (if necessary)
Check to ensure that “No Smoking”, No Admittance” & “Danger Sings”. Treatment Shock Card” & Schematic Drawing are in good condition and are visible/readable and replace if necessary
Check to ensure fire-extinguisher and CO²/halon-free system are in good working condition, expiry date not due and take the necessary action
Check rubber mat in front of the main switch board-replace if damaged
Check antivermin wire mesh – replace/repair if necessary
Check the roof/floor above to ensure no leakage/damage – repair if necessary Ensure no water flowing into Switch Room/Riser room
Check wiring and electrical and fittings, power points, light fittings, and exhaust fans
Check duct seals
X X X X X X X Y Y
No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 8.0 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8
LIGHTING PROTECTION SYSTEM
Visual inspection of all components of lightning protection system e.g. air termination, downdrop, connections, test connections, etc. to ensure that they are in good working condition – replace/repair when necessary. Proprietary type lightning
protection systems included.
Make sure that all final/copper tape in good condition – if damaged, replace/repair
Ensure structural support for system & check support saddles for copper tape- ensure securely fixed
Check all connections, termination points to down conductors are in good condition – replaced or repair when necessary
Check down conductors from test joints too earth chambers – ensure present and secured in place
Clean surface of connections, joints,
terminations of conductors from oxidation and test for continuity to earth
Test conductors for earth continuity and ensure that the overall earth impedance
does not exceed (10 ohms)
Check and record counter device reading
X X X X X X Y Y
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 9.0 9.1 9.1.1 9.1.2 9.1.3 9.1.4 9.1.5 9.1.6 9.1.7 9.1.8 9.1.9 9.1.10 9.1.11 9.1.12 10.0 10.1 10.2 10.3 TELECOMMUNICATION SYSTEM (VOICE COMMUNICATION)
Telephone /PABX System
Check PABX system – functional Check telephone sets/system
Check telephone cabling/wiring system Check telephone DP – Boxes
Check telephone Riser cable Check MDF & IDF system Check lighting/surge arrestors
Check battery system/charger (as per 5.1 & 5.2)
Check battery electrolyte level add/replace if necessary and check specific gravity
Check telephone earthing system – ensure connection/termination/inspection
chambers in good condition Test telephone earthing system Operator’s system
STRUCTURED CABLING SYSTEM
Check and inspect closets for structured cabling system & telecommunications systems.
Test all cables Other items:-X X X X X X X X X X X X X X X X Y Y X
Specification - Electrical Services No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 11.0 11.1 11.1.1 11.1.2 11.1.3 11.1.4 11.1.5 11.1.6 11.1.7 11.1.8 11.1.9 11.2 11.2.1 11.2.2 11.2.3 11.2.4
AUDIO AND VIDEO SYSTEM Video Screens & Projection Systems
Check to ensure monitor 100Hz functional Check to ensure screen unit functional. Check to ensure image controller functional Check metal base frame of monitor, screen, rollers for rust/corrosion, repair or paint as necessary.
Check and clean large screen PMMA for stain dirts.
Check and service video cassette player, laser vision player, caption camera, computers and related equipment.
Check master power supply.
Check and retighten all connections. Other
items:-(Manufacturer’s recommendation to be complied with)
Sound Reinforcement System
Check for functionality of complete sound reinforcement system.
Check and clean power amplifiers, speakers, paging and other audio related equipments. Check and retighten all connections. Other items:-(Manufacturer’s recommendation to be complied with) X X X X X X X X X X X X X X X X X X X X X
Specification - Electrical Services
No. Detail D W M 3M/6M Y/2Y
11.3 11.3.1 11.3.2 11.3.3 11.3.4 12.0 12.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 Conference System
Check for functionality of complete conference system
Check and clean amplifier, delegate
conference sets and other related equipment. Check and retighten all connections.
Other
items:-(Manufacturer’s recommendation to be complied with)
BUILDING MANAGEMENT/ AUTOMATION SYSTEM
Service the central processing unit, monitors, power instrumentation and PDC unit.
Check PIR scanner and miniature contactor. Check built-in control module in electrical switch board
Check AC to DC converter. Check UPS system.
Check and service the electrical contractor Check the data gathered and maintain hard copies. Other items:-(Manufacturer’s recommendation to be complied with) X X X X X X X X X X X X X X X X X X X X
Specification - Electrical Services
No. Detail D Maintenance FrequencyW M 3M/6M Y/2Y
14.0 14.1 14.2 14.3 14.4 16.0 16.1 16.2 17.0 17.1 17.2 18.0 18.1 18.2 19.0 19.1 19.2 COMPUTERISED MAINTENANCE MANAGEMENT SYSTEM
Updates all records
Updates As-Built Drawing Check and inspect system
Service System as per manufacture’s
RIGGING SYSTEMS
Check system functionality
Manufacturer’s recommendation to be complied with – all items
STAGE LIGHTING SYSTEM
Check system functionality
Manufacturer’s recommendation to be complied with – all items
PRODUCTION INTERCOM SYSTEM
Check system functionality
Manufacturer’s recommendation to be complied with – all items
GRAPHIC USER INTERFACE SYSTEM
Check system functionality
Manufacturer’s recommendation to be complied with – all items
X X X X X X X X X X X X X X X X X X X X X X X X X X Y X X X X X
Specification - Electrical Services
Note: Maintenance Frequency Letter Codes
D – Daily W – Weekly
M – Monthly 3M – Three monthly
6M – Six Monthly Y – Yearly
2Y – 2 yearly Notes:
1. The above maintenance schedule shall be read in conjuction with the manufacturer’s recommended maintenance schedule, with the more stringent requirements/portions taking precedence. Any manufacturer’s requirements not listed in this scehdule shall be complied with. No. Detail Maintenance Frequency D W M 3M/6M Y/2Y 20.0 20.1 20.2 21.0 21.1 21.2 21.3 21.4 21.5 22.2
VIDEO CONFERENCE SYSTEM
Check system functionality
Manufacturer’s recommendation to be complied with – all items
CHANDELLIER LIGHTING
Check system functionality
Check and ensure that all the entire bulb is in good condition, replace if necessary.
Check conditions of whole luminaries and replace if necessary
Retighten all connection, termination etc. Manufacturer’s recommendation to be complied with – all items including cleaning
SPECIAL EVENT
Temporary decoration lighting for official function, Ramadhan and Syawal month.
Supply and install temporary decoration lighting in compound and trees in complex’s area X X X X X X X X X X X 6M X X X
2. The battery and battery charger maintenance scehdule of 5.1 and 5.2 shall be complied with for all battery and battery chargers.
3. The work for the Y and 2Y maintenance schedule shall be carried out at the 6th and 18th month respectively.
