Section 25-B1408. NUMBERS AND CAPACITIES - BACKFLOW PREVENTION DEVICE, WHEN REQUIRED*  


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    1408.1A plumbing system shall be installed to preclude backflow of a solid, liquid, or gas contaminant into the water supply system at each point of use at the food processing operation, 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 1405; or

     

    (b)Installing an approved backflow prevention device as specified in section 1406.

     

source

Final Rulemaking published at 56 DCR 5245 (July 3, 2009).