For compliance with the ANSI/APSP 16 Standard, all polymer (plastic) drain covers and screws need to be replaced every 5 years from the date of installation. The facility owner should keep records. Make sure frame/sump is structurally sound and screws have at least 3 threads of engagement, or replacement of the frame/sump is also necessary.
For drain covers that are damaged, missing screws, or not securely fastened, the pool should be immediately closed until the problem cover or screws are repaired or replaced
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