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Interpretation #8516

Original Request

  • Requested By: Donald Naylor
  • Requester E-Mail: Donald407@cfl.rr.com
  • Code Version: 2021
  • Code: PLUMBING
  • Code Description:
  • Chapter:
  • Section: 312
  • Topic: interceptor testing

  • Question: Is section 312 to be interpreted to require water testing of precast interceptor tanks above the precast concrete lid?

Answer:

No. The construction materials and standards for precast wastewater treatment receptacles such as septic tanks and grease interceptors are governed by 64E-6.013 F.A.C. Treatment receptacles are required to be watertight. Water tightness testing consists of filling the receptacle with water "to the invert of the outlet", and holding for one hour. Additionally, the joints of the receptacles, including mid-seams, risers, and lids shall be sealed using a bonding compound that meets ASTM C990-96, but no specific water testing is indicated for the risers and lids.

Commentary:

None.