Section 445A.67165 - Separation of lines: Sewer main crossing water main1. If a sewer main crosses a water main: (a) Except as otherwise provided in paragraph (b), the sewer main must be located at least 18 inches lower than the water main, as measured vertically from the exterior walls of the pipes.(b) If compliance with paragraph (a) is impracticable: (1) A reasonable effort must be made to place the pipeline joints of the sewer main and water main, other than any welded joints, an equal distance from the point of crossing; (2) Except as otherwise provided in paragraph (c), the sewer main and water main must be: (I) Located at least 6 inches apart, as measured vertically from the exterior walls of the pipes; and(II) Provided with such structural support as the supplier of water determines necessary; and(3) The area of crossing must be constructed in such a manner that: (1) The the sewer main is composed of materials that:(I) For public water systems in Carson City, Fallon, Reno, Sparks, Yerington, Douglas County, Lander County, Lyon County, Nye County or Washoe County, comply with Standard Specifications for Public Works Construction, also known as the "Orange Book," and the American Water Works Association Standards;(II) For public water systems in Boulder City, Henderson, North Las Vegas, the Big Bend Water District or the Las Vegas Valley Water District, comply with Uniform Design and Construction Standards for Potable Water Distribution Systems and the American Water Works Association Standards; or(III) For public water systems in other areas of the State, comply with the American Water Works Association Standards. If the sewer main consists of water quality PVC, the sewer main must be constructed with joints that comply with Standard D3139 of ASTM International
(c) If compliance with the requirements of subparagraph (2) of paragraph (b) of subsection 1 is impracticable, an engineer must:(1) Identify in the plans the area where compliance is impracticable in plan and profile views;(2) Provide any applicable standard details for the area where compliance is impracticable;(3) Propose a modification to the requirements;(4) Demonstrate that the modification will not conflict with the provisions of NAC 445A.66615; and(5) Request approval from the Division or the appropriate district board of health for the engineer's proposed modification.Nev. Admin. Code § 445A.67165
Added to NAC by Bd. of Health, eff. 2-20-97; A by R118-14, eff. 12/22/2014; A by R049-18A, eff. 8/21/2018