SECTION 310:257-9-33. Inspection and cleaning port, protected and secured

Latest version.

  If a water tank is designed with an access port for inspection and cleaning, the opening shall be in the top of the tank and:
(1)   Flanged upward at least 13 mm (one-half inch); and
(2)   Equipped with a port cover assembly that is:
(A)   Provided with a gasket and a device for securing the cover in place, and;
(B)   Flanged to overlap the opening and sloped to drain.

[Source: Added at 23 Ok Reg 2358, eff 6-25-06]

                    
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