Section 62-04-06-03 - Airgap and air break1.Methods of providing an airgap. The airgap between the indirect waste and the building drainage system shall be at least twice the effective diameter of the drain served and shall be provided by one of the following methods: a. To a receptor - Extend the indirect waste pipe to an open, accessible individual waste sink, floor drain, or other suitable fixture which is properly trapped and vented. The indirect waste shall terminate a sufficient distance above the flood level rim of the receiving fixture to provide the required airgap, and shall be installed in accordance with article 62-03. b. The inlet side of the fixture trap - Provide an airgap in the drain connection on the inlet side of the trap which receives the waste from the indirect waste. 2.Methods of providing an air break. When an air break is required between the indirect waste and the building drainage system, the distance to which the outlet of the indirect waste pipe extends below the flood level rim of the receptacle into which it is discharging shall be prescribed by the administrative authority. General Authority: NDCC 43-18.1-03
Law Implemented: NDCC 43-18.1-04
N.D. Admin Code 62-04-06-03