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Plumbing Commissioning Checklist
Section 1: Delivery Inspection
1. 1. Is the supplier's consolidated delivery ticket available, showing all equipment and ancillaries for inspection and used for verification?
Yes
No
N/A
2. 2. Is a copy of the order sent to the supplier available for reference and used for verification?
Yes
No
N/A
3. 3. Is the pipework packaged with end caps to protect the internal surfaces?
Yes
No
N/A
4. 4. Does the pipework have the correct wall thickness?
Yes
No
N/A
5. 5. Does the pipework have the correct flanges?
Yes
No
N/A
6. 6. Is the pipework dry internally?
Yes
No
N/A
7. 7. Is the pipework undamaged?
Yes
No
N/A
8. 8. Are the pipework surfaces clean and not scratched?
Yes
No
N/A
9. 9. Has red oxide paint been applied where required, and is it in good condition?
Yes
No
N/A
10. 10. Are all ancillaries included in the delivery as per the order and delivery note?
Yes
No
N/A
11. 11. Has any protection been removed?
Yes
No
N/A
Section 2: Storage Area
1. 1. Is the area internal and protected from weather?
Yes
No
N/A
2. 2. If the pipework is stored externally, is there sufficient protection to shield it from weather and ambient conditions?
Yes
No
N/A
3. 3. Is the surface where the pipework is to be placed flat?
Yes
No
N/A
4. 4. Is the area well covered and protected?
Yes
No
N/A
5. 5. Is the area well-ventilated with no risk of high humidity?
Yes
No
N/A
6. 6. Is the area clean and dust-free?
Yes
No
N/A
Section 3: Pipework Storage
1. 1. Will the pipework not be over-stacked?
Yes
No
N/A
2. 2. Will no materials be stacked on the pipework?
Yes
No
N/A
3. 3. Will all ancillaries be placed in a safe and secure location to prevent loss or damage?
Yes
No
N/A
4. 4. Are pipework/connection caps protecting the flanges not removed?
Yes
No
N/A
5. 5. Will the pipework be raised from the floor to allow airflow and prevent water ingress?
Yes
No
N/A
Section 4: Pre-Installation Inspection
1. 1. Is the bracketry ready, able to bear the weight of the installation, and spaced correctly?
Yes
No
N/A
2. 2. Is the room/area dry and watertight?
Yes
No
N/A
3. 3. Is the area where the installation is being done not prone to flooding or water ponding?
Yes
No
N/A
4. 4. Is the room/area where the pipework will be installed clean and dust-free? If there is dust or construction work, is the pipework protected from concrete dust, cement, etc.?
Yes
No
N/A
5. 5. Are all connection kits, including gaskets and bolts, available to allow bolting up of the pipework?
Yes
No
N/A
6. 6. Is the pipework clean and free of damage?
Yes
No
N/A
Section 5: Maintenance/Access
1. 1. Is there enough space around and above the pipework once installed to perform maintenance and remove components, where required?
Yes
No
N/A
Section 6: General
1. 1. Is the pipework installed in line with the project drawings (size, location)?
Yes
No
N/A
2. 2. Is the piping free to expand and contract without noise or damage to hangers, joints, or the building?
Yes
No
N/A
3. 3. Are seismic restraints installed where required?
Yes
No
N/A
4. 4. Does the pipework avoid putting undue stress on connected equipment and is it bracketed to support itself?
Yes
No
N/A
5. 5. Do all piping supports and hangers meet the criteria set out in the specifications?
Yes
No
N/A
6. 6. Is the piping installed with sufficient pitch and arranged to ensure proper drainage and venting of the entire system?
Yes
No
N/A
7. 7. Are manual air vents provided at high points in closed water systems?
Yes
No
N/A
8. 8. Are all gaskets installed and sealed?
Yes
No
N/A
9. 9. Are all bolts installed as per the manufacturer’s instructions?
Yes
No
N/A
10. 10. Are nipples made of the same material as the pipe?
Yes
No
N/A
11. 11. Are connections between copper and steel pipes made with dielectric fittings?
Yes
No
N/A
12. 12. Is a union provided ahead of each screwed valve, trap, or strainer, and on each side of each piece of equipment, as needed to dismantle the piping?
Yes
No
N/A
13. 13. Are changes in pipe sizes made with proper size-reducing fittings, reducing elbows, or reducing tees? Are bushings avoided?
Yes
No
N/A
14. 14. Do all fittings meet specification requirements?
Yes
No
N/A
15. 15. Are all fittings and ancillaries rated correctly and in line with the pressure of the system?
Yes
No
N/A
16. 16. Is all equipment requiring maintenance accessible (e.g., valves, junction boxes)?
Yes
No
N/A
17. 17. Does the piping avoid blocking access to equipment that is part of this system or another system (e.g., air terminal units)?
Yes
No
N/A
18. 18. Are drain valves provided at all low points in hose bib piping to facilitate seasonal draining?
Yes
No
N/A
19. 19. Are all valves (isolation, commissioning, non-return, etc.) installed as per the drawings?
Yes
No
N/A
20. 20. Are all strainers installed as per the drawings and are the baskets clean?
Yes
No
N/A
21. 21. Is the pipework insulated as per the specification and vapor sealed where required?
Yes
No
N/A
22. 22. Is the piping installed to ensure that insulation will not contact adjacent surfaces?
Yes
No
N/A
23. 23. Are any pipe openings temporarily sealed to maintain system cleanliness?
Yes
No
N/A
24. 24. Are all components, including valves and controls, labeled in line with the project naming convention?
Yes
No
N/A
25. 25. Have instruments, flow meters, energy meters, and commissioning stations been installed in line with the manufacturer’s requirements and correct direction, including proper distances from turbulent flows?
Yes
No
N/A
26. 26. Are all pressure gauges installed and displaying scales as per design requirements?
Yes
No
N/A
27. 27. Has the pipework been magnetic weld tested, where specified?
Yes
No
N/A
28. 28. Has the pipework been ultrasonic weld tested, where specified?
Yes
No
N/A
29. 29. Has the system been filled and bled with air removed?
Yes
No
N/A
30. 30. Has the pipework been pressure tested?
Yes
No
N/A
31. 31. Has the pipework been internally flushed, cleaned, and chemically treated?
Yes
No
N/A
Section 7: Documentation
1. 1. Have all drawings been updated to reflect any changes made?
Yes
No
N/A