Section En 606.04 - Valves and Service Connections(a) Each water utility shall locate, operate, and inspect each valve on its distribution system at least once every 5 years.(b) A water utility annually shall locate, operate, and inspect valves which are:(1) Larger than 12 inches in diameter;(2) Located on major transmission lines; or(3) Otherwise critical to system operation.(c) A water utility shall keep a record of each valve showing the size, type, location, date of inspection, and the results of each inspection.(d) Each water utility shall require that the size, design, material, and installation of the service pipe shall conform to such requirements of the water utility as may be incorporated in its rules and regulations.(e) The water utility shall require that the minimum size of the service pipe shall not be less than 3/4 inch nominal size except under unusual circumstances, such as might exist in a residence with very low demand located very close to the main.(f) All service pipes shall be laid at a depth sufficient to prevent freezing, except where services are not intended for use during freezing weather and are drained during such periods.(g) Curb stops shall be placed at the customer's property line except in unusual situations such as service to an apartment or to a condominium.(h) Each water utility shall require that the customer shall not install any tree or branch connection in the service pipe.(i) A water utility may require the customer to leave the trench open and customer service pipe uncovered until it is inspected by the water utility and shown to be free from any irregularity or defect.(j) Each water utility shall require the following in relation to individual service connections: (1) Each service connection shall be provided with an individual shut-off;(2) No tandem services shall be permitted; and(3) Where such tandem services exist, the shut-offs necessary to comply with this requirement shall be installed.N.H. Admin. Code § En 606.04
Derived from Number 15, Filed April 11, 2024, Proposed by #13911, Effective 3/21/2024, Expires 3/21/2034 (see Revision Note at chapter heading for En 600).