N.H. Admin. Code § En 605.06

Current through Register No. 50, December 12, 2024
Section En 605.06 - Test Facilities and Equipment
(a) Each water utility furnishing metered water service shall either:
(1) Provide the necessary standard facilities, instruments, and other equipment for testing meters in compliance with these rules; or
(2) Enter into satisfactory arrangements for test of its meters by another water utility or agency equipped to test meters in compliance with these rules, subject to obtaining a waiver from the department, pursuant to the waiver provisions of En 201.05.
(b) Each water utility shall maintain or arrange for the use of a meter test shop which, insofar as practicable, shall simulate the actual service conditions.
(c) The meter test shop required by (b) above shall be provided with:
(1) The necessary fittings, including a quick-acting valve for controlling the starting and stopping of the test; and
(2) A device for regulating the flow of water through the meter under test.
(d) The accuracy of the test equipment and test procedures shall be sufficient to enable shop test of displacement meters with an error not to exceed 0.5%.
(e) Each water utility shall maintain or arrange for the use of measuring devices for test of meters.
(f) The measuring devices required by (e) above shall consist of calibrated tanks for volumetric measurements, tanks mounted upon scales for weight measurement, or standard meters.
(g) In using the measuring devices required by (e) above the water utility shall adhere to the following test measurement standards:
(1) When a volumetric tank is used it shall be certified by the New Hampshire or local sealer of weights and measures;
(2) When a weight standard is used the scales shall be tested and certified at least once every year by the New Hampshire or local sealer of weights and measures, and a record maintained of the results of such test;
(3) Basic standards used for meter tests shall be of sufficient capacity to ensure accuracy of the test; and
(4) Standard meters may be used for the purpose of testing meters in place provided they have been tested and calibrated within the limits of accuracy required by Puc 600, either by the water utility with its volumetric or weight standard equipment or by an approved laboratory, within the previous 60 days.
(h) The water utility shall keep a record of tests referred to in 605.06(g)(4) above for a period of not less than 5 months.

N.H. Admin. Code § En 605.06

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).