No water shall be provided for internal or external use to any residential, commercial, industrial, agricultural, recreational, governmental, or public building or structure of any kind which is constructed or remodeled and in which plumbing, water piping or water fixtures are to be installed, extended or altered in any way, and for which construction a permit is required to be obtained from the Borough of Derry (or would be required but for an exemption from a permit requirement for public or governmental agencies) unless the new, extended or altered plumbing, water piping and other water using fixtures therein conform to the requirements and standards of § 415-8 of this article. The provisions of this article shall apply to any such building or structure for which such a building permit is issued, or would otherwise be required to be issued but for such exemption, on or after June 11, 1990.
[Adopted 6-11-1990 by Ord. No. 596 (Ch. XXVI, Part 1, of the 1975 Code of Ordinances)]
Customers shall be encouraged not to permit any water furnished by (water purveyor) to run to waste in any gutter or other impervious surface.
Each resident or property owner of the Borough of Derry is urged to install fixtures which will reduce the quantity of water required to flush toilets and which will reduce the flow rates of showers and faucets.
[Amended 10-11-1993 by Ord. No. 614]
A.
Water closets operated by flush tanks. The water consumption of water closets operated by flush tanks shall not exceed an average of 3.5 gallons per flush cycle over a range of test pressures from 20 to 80 psig. The fixture shall perform in accordance with the flushing test requirements cited in ANSI 122.19.2 Vitreous China Plumbing Fixture Standard.
B.
Water closets and urinals operated by flush valves.
(1)
Water closet water consumption shall not exceed an average of 3.5 gallons per flush cycle over a range of test pressures from 20 to 80 psig. The flush valve shall be adjusted according to the manufacturer's specifications. The fixtures shall perform in accordance with the flushing test requirements cited in the ANSI 122.19.2 Vitreous China Plumbing Fixture Standard. This restriction shall not apply to blowout-type water closets.
(2)
Urinal water consumption shall not exceed an average of 1.5 gallons per flush cycle over a range of test pressures from 20 to 80 psig. The flush valve shall be adjusted according to the manufacturer's specifications. The fixtures shall perform in accordance with the flushing test requirements cited in the ANSI 122.91.2 Vitreous China Plumbing Fixtures Standard. This restriction shall not apply to blowout-type urinals.
C.
Showerheads. Showerhead discharge shall not exceed 2.75 gallons of water per minute over a range of test pressure from 20 to 80 psig. The fixture shall perform in accordance with the test requirements cited in the ANSI 112.18.1 Finished and Rough Brass Plumbing Fixtures Standard. This restriction shall not apply to safety or deluge showers.
D.
Sink faucets.
(1)
Kitchen sink faucet discharge rates shall not exceed 2.75 gallons of water per minute over a range of test pressures from 20 to 80 psig. The fixture shall perform in accordance with the test requirements cited in the ANSI 112.18.1 Finished and Rough Brass Plumbing Fixtures Fittings Standard.
(2)
Residential lavatory sink faucet discharge rates shall not exceed 2.75 gallons of water per minute over a range of test pressures from 20 to 80 psig. The fixture shall perform in accordance with the test requirements cited in the ANSI 112.18.1 Finished and Rough Brass Plumbing Fixture Fittings Standard.
(3)
Nonresidential lavatory faucets shall be either self-closing or metering faucets as described below:
(a)
Self-closing faucets shall not exceed an average discharge rate of 0.5 gallons of water per minute between the pressures of 20 to 80 psig when tested in accordance with the discharge test procedure cited in ANSI 112.18.1 Finished and Rough Brass Plumbing Fixture Fittings Standard.
(b)
Metering faucets shall be field adjustable and set so that the discharge quantity shall not exceed 0.5 gallons of water per cycle.
E.
Pressure reducing valves. Where the service water pressure to a building is expected to exceed 60 psig, a water-pressure-reducing valve with strainer shall be installed just downstream of the building's main valve, so as to be accessible. The valve shall provide for pressure adjustment within the range of 50 to 60 psig. The valve shall conform to the requirements of product standard ASSE 1003. Exemptions to this subsection are service lines to sill cocks, outside hydrants, and main supply risers to buildings where pressure from mains does not exceed 60 psig at the fixture branches or at individual fixtures.
F.
Any person(s) may apply to the Borough of Derry for an exception to the terms of this article, which may be granted by Council, upon proof that some other device, system or procedure will save as much or more water as those set forth herein, or that those set forth herein cannot be complied with without undue hardship.
G.
Council may, from time to time, modify, add to, or remove from the standards and restrictions herein.
H.
Any person, individual or corporate, who shall violate any of the provisions of this article or fail to comply with any of the requirements thereof shall commit a summary offense and, upon conviction thereof, be fined not more than $300.