Cooling Tower Commissioning Checklist

Use the Cooling Tower Commissioning Checklist to verify the installation, and operation of cooling towers, including water flow, temperature, and controls.

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Cooling Tower Commissioning Checklist

General

Electrical General

Variable Speed Drive

Controls System/Valves & Interlocks

Ambient Air Intake & Fill Pack

Pond/Cold Water Basin

Electric Heater

Sweeper System

Makeup Water Connection

Bleed-Off/Blowdown Connection

Side Stream Filtration Connection

Overflow Pipework

Drift Eliminator

Fan & Motor

Ductwork

Access

Pipework To Nozzles

Pipework From Tower

Balance Pipework / Equalizing Pipework

Controls

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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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Cooling Tower Commissioning Checklist

Use the Cooling Tower Commissioning Checklist to verify the installation, and operation of cooling towers, including water flow, temperature, and controls.

1. Has the cooling tower information been documented from its nameplates and cross-referenced with the specified information to ensure correctness?

2. Is the cooling tower level?

3. Are all gaskets installed and sealed?

4. Are all cleats and fixings installed as per the manufacturer’s instructions?

5. Can all access doors be opened and closed with no gaps or leakage?

6. Have all transport bolts and feet been removed?

7. Is the fan housing ducting, if being used, installed, and fixed?

8. Are all vibration mounts installed?

9. Are seismic restraints, where required, installed?

10. Are there no leaks from the tower base, and are all joints sealed?

11. Are the cooling tower and all components, including valves and controls, labeled according to the project naming convention?

12. Is the operation and startup manual for the cooling tower available?

1. Are the cooling tower and components fully earthed in line with the manufacturer’s instructions?

2. Has earthing been tested?

3. Is an emergency disconnect installed for each component in line with NFPA/local code requirements?

4. Does the electrical voltage from the site match the cooling tower motor's required voltages?

5. Is all cabling installed and connected on the correct containment/raceways and undamaged?

6. Has all cabling been tested/torque tested?

7. Has a local motor control panel (LMCP) been installed?

8. Has the local motor control panel been electrically tested?

9. Is all electrical cabling labeled in line with the project naming convention?

10. Is the cooling tower ready for energization?

1. Has a variable speed drive (VSD) been installed?

2. Has the variable speed drive (VSD) been electrically tested?

3. Has the variable speed drive (VSD) been functionally tested?

1. Are motorized valves installed as per the drawings, and do they open and close freely?

2. Have all controls and panels been installed to operate the valves, fans, and interlocks?

3. Are freezing safety interlocks installed as per the design?

4. Are pressure differential measuring devices installed across all strainers?

1. Is the position of the ambient air intake in line with the design and manufacturer requirements, and is it not affected by space restrictions or recirculation of surrounding exhaust ducts?

2. Are all attenuators installed as shown on the drawings?

3. Is the fill pack installed correctly with the correct fixings, in line with the manufacturer’s instructions?

4. Is the fill pack clean?

5. Can the fill pack be easily removed for cleaning and maintenance?

1. Does the access door open and close properly, and is it undamaged?

2. Is the basin the correct size?

3. Is the basin clean and free of debris?

4. Is the water level correct, and is the float valve aligned with the design/manufacturer’s instructions?

5. Is the access platform installed, clean, and undamaged?

6. Is the basin guard fitted, clean, and undamaged?

7. Is the vortex preventer installed, clean, and undamaged?

1. Is the electric heater installed for freeze protection, clean, and undamaged?

2. Are the heater elements free from obstruction by debris?

3. Has all electrical testing been completed, including torque tests of connections?

4. Are all safety components connected and operational, including thermostats to cut power to the heater if needed?

5. Is all control cabling connected and installed in line with the manufacturer’s/design drawings?

6. Is power available to the electric heater/control panel for operation?

1. Is the cooling tower sweeper system installed in line with the manufacturer’s requirements, clean, and undamaged?

2. Are the sweeper system pipework and nozzles clean and undamaged?

1. Is the makeup water connected, the correct size, and is the float/level valve correctly set?

2. Is the float valve undamaged?

1. Is the bleed-off/blowdown water connected, the correct size, clean, and undamaged?

1. Is the side stream filter connected, the correct size, clean, and undamaged?

1. Is the overflow pipework connected, the correct size, clean, and undamaged?

1. Are the drift eliminators installed as per the manufacturer’s requirements, the correct size, properly fixed, clean, and undamaged?

1. Are the electrical connections and cables complete, fully tested, and torqued according to project/manufacturer requirements?

2. Is motor protection installed and operating (e.g., overload protection)?

3. Are the motor protections calibrated?

4. Is the voltage from electrical systems correct for the cooling tower requirements (within +/-10%)?

5. Is the fan housing clean and dust-free?

6. Are the fan, blades, and motors clean and dust-free?

7. Is the fan wheel centered on the intake section?

8. Have the fixings been checked for tightness (torque)?

9. Is the impeller balanced?

10. Does the fan/motor rotate in the correct direction with no obstructions when turned by hand?

11. Does the fan/motor rotate in the correct direction with no obstructions when electrically bumped on?

1. Is the fan housing cowl/ducting installed with the relevant mesh and unobstructed?

2. Does the mesh-free area meet the design requirements?

1. Is the portable crane installed in line with the manufacturer’s instructions and undamaged?

2. Is the ladder safety cage installed and undamaged for access to the roof/fan deck of the tower?

3. Is the guard rail system installed and undamaged for access around the roof/fan deck of the tower?

4. Is the access door platform installed and undamaged for access to the tower door if installed on a high steelwork frame?

5. Is the maintenance platform installed and undamaged for access around the tower and are any motors/parts mounted on the tower’s external frame?

6. Is the internal plenum walkway installed and undamaged for access inside the tower?

1. Are the pipework and connections the correct size and in line with the drawings?

2. Does the installation of the pipework avoid putting stress on the cooling tower connections or creating vibrations?

3. Will the materials used between the cooling towers and the condenser water system prevent electrolysis?

4. Has the pipework that connects to the cooling tower been weld-tested?