D.C. Mun. Regs. tit. 25, r. 25-D713

Current through Register Vol. 71, No. 49, December 6, 2024

Rule 25-D713 - NUMBERS AND CAPACITIES - BACKFLOW PREVENTION DEVICE, WHEN REQUIRED*

713.1

A plumbing system shall be installed to preclude backflow of a solid, liquid, or gas contaminant into the water supply system, including on a hose bibb if a hose is attached or on a hose bibb if a hose is not attached and backflow prevention is required by the Plumbing Code by:

(a) Providing an air gap as specified in section 710; or

(b) Installing an approved backflow prevention device as specified in section 711.

D.C. Mun. Regs. tit. 25, r. 25-D713

Final Rulemaking published at 56 DCR 7975 (October 9, 2009)

Authority: Section 4902 of the Department of Health Functions Clarification Act of 2001 ("Act") (effective October 3, 2001), D.C. Law 14-28, D.C. Official Code § 7-731(a)(12) (2008 Repl.), and the Mayor's Order 2006-10 dated January 27, 2006