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Substation Commissioning Checklist

High Voltage (H.V.) Electrical System
Transformers/Motors

No visible damage to impair safety.

All accessible live parts screened with insulating plate or earthed metal.

Proper ventilation provided to avoid excessive temperature rise.

Initial/maintenance test carried out according to relevant recognized standards and manufacturers' recommendation, where appropriate, with test reports. (insulation resistance test, pressure test etc.)

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Earth

A warning notice 'SAFETY ELECTRICAL CONNECTION—DO NOT REMOVE' provided at all main earthing and bonding connections.

Earthing conductors of adequate size.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Direct Current (D.C.) Battery System

Condition of battery system is satisfactory. Voltage of each battery cell measured.

Voltage of each battery cell measured.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Operation and Testing Tools and Equipment

Proper operation tools and equipment provided for switching and isolation use.

Suitable self-test high voltage tester provided for verifying equipment dead.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Safety Precaution

Safety requirements for testing of H.V. installations are recommended from manufacturers of related equipment and executed.

Proper precautionary measures are taken and the methods of tests should be such that no danger to persons or property can occur even if the circuit being tested is defective.

Testing

Testing requirements and detailed test procedures for of H.V. installations are recommended from manufacturers of related equipment and approved.

All tests for H.V. installations are recorded in separate forms and properly endorsed.

Lightning Protection System

The continuity between air terminations and earthing terminations is tested.

Measured earth termination network resistance to earth not more than 10 Ohm when the connection to main earthing terminal disconnected.

Test results recorded

Circuitry Check

All circuits including lighting and power circuits have been verified through switching operation that they are installed in accordance with the designated circuits.

Charger and Battery Set

The original factory test certificates of the charger and battery have been checked and found satisfactory.

The charger is connected to the mains supply through a suitable rated fuse.

Batteries connections have been done properly.

Instruments, indicating lamps, fuses, relays and labels on battery charger are provided and installed properly.

The capacity of the charger is capable of recharging the batteries from fully discharged to fully charged within the specified duration.

The charger output on load with batteries disconnected is satisfactory.

The charger current on load with batteries disconnected is satisfactory.

Proper operation tools and equipment provided for switching and isolation use.

Suitable self-test high voltage tester provided for verifying equipment dead.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

The capacity of batteries has been checked and tested by interrupting the mains input to the charger and actuation / operation of the connected devices and the results are satisfactory.

The functions and indications of charger fail / main fail / battery disconnected / boost charge / trickle charge, mains and battery have been checked and tested and the results are satisfactory.

Luminaires and Lighting Fittings

Colour temperature of light fittings was checked and as specified.

All lamps are the correct wattage and voltage ratings Beam angle of spot lamp is commissioned.

Aiming angle of external lighting or planter lighting is commissioned so as not to create glare or any obstructive light to external eavironment.

Exterior floodlights have been aimed according to requirements (particularly relevant for sports installations)

Fluorescent lamps have the correct phosphor.

Lighting Control (On/Off and Dimming)

Groups of luminaries are assigned to the correct position in grid switch or grid single circuit dimmer and tested by hand operation.

Lighting control system (e.g. timer switch, occupancy sensor, photocell and infra-red sensor, etc.) are correctly commissioned and set.

Timer switch operated lighting control system can properly operate as commissioned.

Photocell operated lighting control system can properly operate as commissioned.

Infra-red sensor operated lighting control system can properly operate as commissioned.

Occupancy sensor operated lighting control system can properly operate as commissioned.

FM radio switches have been configured to the relevant receivers

Lighting control by CCMS or BMS is tested and properly functioned.

Lighting Measurement

Illuminance level of lighting installation for individual areas /rooms is measured under its design condition.

Measurement results recorded.

Digital Multifunction Power Meter

Manufacturer's calibration certificate for each meter is provided.

The readings of electrical parameters by the meter and by test kit are recorded.

Remote monitoring functions by CCMS or BMS are tested and found satisfactory.

Interfacing functions for self-contained meter are tested by using plug-in communication module and found satisfactory.

Replacement mechanism of meter is tested and found satisfactory.

Current transformer (C.T.) shorting block to prevent open circuiting the C.T. is provided and tested.

Digital Power Analyzer

Manufacturer's calibration certificate for each power analyzer is provided.

The readings of electrical parameters by the digital power analyzer and by test kit are recorded in Annex I, Part 4.

Remote monitoring functions by CCMS or BMS are tested and found satisfactory.

Interfacing functions for self-contained digital power analyzer are tested by using plug-in communication module and found satisfactory.

Replacement mechanism of meter is tested and found satisfactory.

Current transformer (C.T.) shorting block to prevent open circuiting the C.T. is provided and tested.

Event alarm and waveform capture functions of digital power analyser is tested and found satisfactory.

Busbar Trunking System

Type test certificate issued by testing laboratories or organizations as stated in COP is provided.

The bolts, nuts, screws, etc. for busbar supports, busbar connections have been checked for correct tightness in accordance with manufacturers' recommendations.

No dust, foreign particles and deleterious substances are accumulated on the busbar trunking system. The busbar trunking system is free from condensation.

Continuity, insulation resistance, polarity, earth fault loop impedance and other required test are carried out, recorded and found satisfactory.

Phase transposition of busbar trunking with long run in accordance with manufacturer's recommendation is provided.

Operation of plug-in tap-off unit is tested and found satisfactory.

Mechanical interlock, quick fastening and quick releasing mechanism of tap-off unit are tested and found satisfactory.

Infrared scanning at selective connection joints to check for hot temperature spot is carried out.

Completion

Additional Comments

Checked by
Witnessed by
Contractor Name & Signature

Substation Commissioning Checklist

Created by: SafetyCulture Staff | Industry: General | Downloads: 2

A substation commissioning checklist is used by commissioning engineers to test and evaluate the safety and operation of high voltage electrical systems. This checklist has been built to make it easier for inspectors to check transformers/motors, direct current (DC) battery system, and the operation and testing tools and equipment and perform efficient lightning protection system, busbar trunking system, circuitry checks, and more.

Signup for a free iAuditor account to download and edit this checklist. It will be added to your free account and you will be able to conduct inspections from your mobile device.

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Substation Commissioning Checklist

High Voltage (H.V.) Electrical System
Transformers/Motors

No visible damage to impair safety.

All accessible live parts screened with insulating plate or earthed metal.

Proper ventilation provided to avoid excessive temperature rise.

Initial/maintenance test carried out according to relevant recognized standards and manufacturers' recommendation, where appropriate, with test reports. (insulation resistance test, pressure test etc.)

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Earth

A warning notice 'SAFETY ELECTRICAL CONNECTION—DO NOT REMOVE' provided at all main earthing and bonding connections.

Earthing conductors of adequate size.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Direct Current (D.C.) Battery System

Condition of battery system is satisfactory. Voltage of each battery cell measured.

Voltage of each battery cell measured.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Operation and Testing Tools and Equipment

Proper operation tools and equipment provided for switching and isolation use.

Suitable self-test high voltage tester provided for verifying equipment dead.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

Safety Precaution

Safety requirements for testing of H.V. installations are recommended from manufacturers of related equipment and executed.

Proper precautionary measures are taken and the methods of tests should be such that no danger to persons or property can occur even if the circuit being tested is defective.

Testing

Testing requirements and detailed test procedures for of H.V. installations are recommended from manufacturers of related equipment and approved.

All tests for H.V. installations are recorded in separate forms and properly endorsed.

Lightning Protection System

The continuity between air terminations and earthing terminations is tested.

Measured earth termination network resistance to earth not more than 10 Ohm when the connection to main earthing terminal disconnected.

Test results recorded

Circuitry Check

All circuits including lighting and power circuits have been verified through switching operation that they are installed in accordance with the designated circuits.

Charger and Battery Set

The original factory test certificates of the charger and battery have been checked and found satisfactory.

The charger is connected to the mains supply through a suitable rated fuse.

Batteries connections have been done properly.

Instruments, indicating lamps, fuses, relays and labels on battery charger are provided and installed properly.

The capacity of the charger is capable of recharging the batteries from fully discharged to fully charged within the specified duration.

The charger output on load with batteries disconnected is satisfactory.

The charger current on load with batteries disconnected is satisfactory.

Proper operation tools and equipment provided for switching and isolation use.

Suitable self-test high voltage tester provided for verifying equipment dead.

Other inspection items as required by the manufacturers of related equipment are satisfactory.

The capacity of batteries has been checked and tested by interrupting the mains input to the charger and actuation / operation of the connected devices and the results are satisfactory.

The functions and indications of charger fail / main fail / battery disconnected / boost charge / trickle charge, mains and battery have been checked and tested and the results are satisfactory.

Luminaires and Lighting Fittings

Colour temperature of light fittings was checked and as specified.

All lamps are the correct wattage and voltage ratings Beam angle of spot lamp is commissioned.

Aiming angle of external lighting or planter lighting is commissioned so as not to create glare or any obstructive light to external eavironment.

Exterior floodlights have been aimed according to requirements (particularly relevant for sports installations)

Fluorescent lamps have the correct phosphor.

Lighting Control (On/Off and Dimming)

Groups of luminaries are assigned to the correct position in grid switch or grid single circuit dimmer and tested by hand operation.

Lighting control system (e.g. timer switch, occupancy sensor, photocell and infra-red sensor, etc.) are correctly commissioned and set.

Timer switch operated lighting control system can properly operate as commissioned.

Photocell operated lighting control system can properly operate as commissioned.

Infra-red sensor operated lighting control system can properly operate as commissioned.

Occupancy sensor operated lighting control system can properly operate as commissioned.

FM radio switches have been configured to the relevant receivers

Lighting control by CCMS or BMS is tested and properly functioned.

Lighting Measurement

Illuminance level of lighting installation for individual areas /rooms is measured under its design condition.

Measurement results recorded.

Digital Multifunction Power Meter

Manufacturer's calibration certificate for each meter is provided.

The readings of electrical parameters by the meter and by test kit are recorded.

Remote monitoring functions by CCMS or BMS are tested and found satisfactory.

Interfacing functions for self-contained meter are tested by using plug-in communication module and found satisfactory.

Replacement mechanism of meter is tested and found satisfactory.

Current transformer (C.T.) shorting block to prevent open circuiting the C.T. is provided and tested.

Digital Power Analyzer

Manufacturer's calibration certificate for each power analyzer is provided.

The readings of electrical parameters by the digital power analyzer and by test kit are recorded in Annex I, Part 4.

Remote monitoring functions by CCMS or BMS are tested and found satisfactory.

Interfacing functions for self-contained digital power analyzer are tested by using plug-in communication module and found satisfactory.

Replacement mechanism of meter is tested and found satisfactory.

Current transformer (C.T.) shorting block to prevent open circuiting the C.T. is provided and tested.

Event alarm and waveform capture functions of digital power analyser is tested and found satisfactory.

Busbar Trunking System

Type test certificate issued by testing laboratories or organizations as stated in COP is provided.

The bolts, nuts, screws, etc. for busbar supports, busbar connections have been checked for correct tightness in accordance with manufacturers' recommendations.

No dust, foreign particles and deleterious substances are accumulated on the busbar trunking system. The busbar trunking system is free from condensation.

Continuity, insulation resistance, polarity, earth fault loop impedance and other required test are carried out, recorded and found satisfactory.

Phase transposition of busbar trunking with long run in accordance with manufacturer's recommendation is provided.

Operation of plug-in tap-off unit is tested and found satisfactory.

Mechanical interlock, quick fastening and quick releasing mechanism of tap-off unit are tested and found satisfactory.

Infrared scanning at selective connection joints to check for hot temperature spot is carried out.

Completion

Additional Comments

Checked by
Witnessed by
Contractor Name & Signature