SECTION .0900 ‑ DISTRIBUTION SYSTEMS
Rules .0901 ‑ .0907 of Title 15A Subchapter 18C of the
North Carolina Administrative Code (T15A.18C .0901 ‑ .0907); has been
transferred and recodified from Rules .2101 ‑ .2107 Title 10 Subchapter
10D of the North Carolina Administrative Code (T10.10D .2101 ‑ .2107),
effective April 4, 1990.
15A NCAC 18C .0901 SIZE OF THE WATER MAINS
Water distribution mains shall be sized to provide a minimum
pressure at all points within the distribution system of not less than 20
pounds per square inch (gauge) during periods of peak demand (fire flow), but
in any case water mains shall not be less than two‑inch standard nominal
diameter. Fire hydrants shall not be installed on water mains of less than six
inches diameter or on water mains or water systems not designed to carry fire
protection flows. Systems not designed for fire flows shall have the capacity
to maintain a pressure of at least 30 pounds per square inch (gauge) throughout
the system during periods of peak flow.
History Note: Authority G.S. 130A‑315; 130A‑317;
Eff. January 1, 1977;
Readopted Eff. December 5, 1977;
Amended Eff. March 31, 1980;
Pursuant to G.S. 150B-21.3A, rule is necessary without
substantive public interest Eff. November 23, 2015.