Town of Salem, NH Article XI Plumbing

§ 270-33 Installation and maintenance of plumbing.

A. Plumbing shall be sized, installed, and maintained according to the provisions of the State Plumbing Code as adopted pursuant to RSA 155-A.[1]

[1] Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. I).

B. In new or remodeled food service establishments or retail food stores at least one utility sink or curbed cleaning facility with a floor drain shall be provided and shall be the only drain used for:

(1) Cleaning mops or similar wet floor cleaning tools; and

(2) Disposing of mop water or similar liquid wastes.

C. Utility sinks or curbed cleaning facilities shall be installed on the main food preparation level.

§ 270-34 Backflow and backsiphonage prevention.

A. All plumbing shall be installed and maintained as follows:

(1) Devices shall be installed to protect against backflow and backsiphonage at all fixtures and equipment where an air gap at least twice the diameter of the water supply inlet, but not less than 25 millimeters (one inch), is not provided between the water supply inlet and the fixture's flood level rim;

(2) A backsiphonage device shall be installed on all faucets to which hoses are attached;

(3) There shall be no direct connection between the wastewater system and:

(a) Any drains originating from refrigerator coils, walk-in freezers, iceboxes, ice making machines, coffee urns or similar types of enclosed equipment; or

(b) Food preparation sinks;

(4) Each waste pipe from the equipment listed in Subsection A(3) above shall discharge into an open, accessible, individual waste sink, floor drain or other fixture which is trapped and vented; and

(5) Each waste pipe from the equipment listed in Subsection A(3) above shall contain an air gap in the fixture waste line which is at least twice the effective diameter of the drain served.

B. Use of nonpotable water. Nonpotable water shall be allowed for appropriate uses, including but not limited to air conditioning and fire protection, provided that:

(1) The system is installed according to the provisions of the State Plumbing Code as adopted pursuant to RSA 155-A;[1]

[1] Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. I).

(2) Nonpotable water does not come into contact with food or utensils; and

(3) The piping of the water system is durably identified so that it is readily distinguishable from piping that carries potable water.