Commercial Plumbing Maintenance Checklist

Use this Commercial Plumbing Preventive Maintenance Checklist to identify issues and ensure working condition for commercial building plumbing systems.

Commercial Plumbing Maintenance Checklist



General Inspection

1. Have the water heaters been inspected for leaks, corrosion, and sediment buildup?


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2. Are the temperature and pressure relief valves on water heaters functioning correctly?


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3. Have all visible pipes, faucets, and fixtures been inspected for leaks or water damage?


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4. Are all drains running smoothly without blockages, and have slow/clogged drains been addressed?


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5. Are toilets free from leaks around the base, and do they flush properly with a functional flush mechanism?


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6. Have all faucets been inspected for leaks or drips, and have washers or cartridges been replaced if needed?


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7. Is the water pressure throughout the building at the appropriate levels, and have pressure regulators been adjusted if necessary?


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8. Are all shut-off valves functioning correctly and easily accessible in case of emergencies?


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9. Have the sewer lines been inspected regularly to prevent backups and clogs?


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10. Are backflow prevention devices tested and functioning properly, meeting regulatory standards?


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11. If applicable, are sump pumps inspected and tested to ensure they are working properly?


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12. For businesses with kitchens, have grease traps been checked and cleaned regularly to prevent blockages and odors?


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13. Has the water quality been tested for impurities, and do the results meet safety standards?


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14. Have water filters or water softeners been installed if necessary to improve water quality?


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15. Have water meters been inspected for accuracy and signs of leaks, particularly in response to high water bills?


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16. Are fire sprinkler systems in proper working order and unobstructed?


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17. Have water supply lines been checked for corrosion or damage, and replaced if necessary?


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18. If applicable, has the hot water circulation system been inspected for efficiency and proper operation?


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19. For buildings with laboratories or hazardous materials, have emergency eyewash stations and safety showers been tested?


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20. If booster pumps are used for water pressure, have they been inspected and tested regularly?


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21. If the building has a water softener, has it been inspected and salt levels replenished as needed?


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22. Are HVAC condensate drains free from clogs and draining properly?


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23. Have pipes, fittings, and fixtures been inspected for signs of corrosion that may lead to leaks or reduce their lifespan?


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24. Are water coolers and fountains operating properly without leaks?


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25. Are water mains and fire hydrants in good condition and accessible?


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26. Have emergency backup systems for plumbing, such as generators or backup pumps, been tested?


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27. Are pipes in unheated areas properly insulated to prevent freezing?


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28. Have water hammer arrestors been checked or installed to prevent noises and potential damage caused by water hammer?


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29. Are maintenance records being reviewed for all plumbing inspections, repairs, and maintenance performed?


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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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