NS-2981 - Laserfiche WebLink

Home Browse Search

installed closer than 40 ft (12 m) but at least as far from the building as the height of the wall facing the backflow preventer. (5) Control valves installed in a fire -rated room accessible from the exterior. (6) Control valves in a fire -rated stair enclosure accessible from the exterior. Section 10.1.5 is hereby added as follows: 10.1.5 All ferrous pipe and joints shall be polyethylene encased per AWWA C150, Method A, B, or C. All fittings shall be protected with a loose 8-mil polyethylene tube or sheet. The ends of the tube or sheet shall extend past the joint by a minimum of 12 inches and be sealed with 2 inch wide tape approved for underground use. Galvanizing does not meet the requirements of this section. Exception: 304 or 316 Stainless Steel pipe and fittings Section 10.4.1.1 is hereby revised as follows: 10.4.1.1 All bolted joint accessories shall be cleaned and thoroughly coated with asphalt or other corrosion -retarding material after installation. Exception: Bolted joint accessories made from 304 or 316 stainless steel. Section 10.4.1.1.1 is hereby added as follows: 10.4.1.1.1 All bolts used in pipe -joint assembly shall be 316 stainless steel. Section 10.4.3.2 is hereby deleted and replaced as follows: 10.4.3.2 Where approved, private fire service mains supplying systems within the building shall be permitted. to extend more than 10 ft. under the building when all of the requirements of 10.4.3.2.1 through 10.4.3.2.4 are met. Where fire service mains enter the building adjacent to the foundation, the pipe may run under a building to a maximum of 24 inches, as measured from the interior face of the exterior wall to the center of the vertical pipe. The pipe under the building or building foundation shall be 304 or 316 stainless steel and shall not contain mechanical joints or it shall comply with 10.4.3.2.1 through 10.4.3.2.4. SECTION 30: Section 14-47 is hereby amended to read as follows: Sec.14-47. Appendices. Ordinance No. NS-2981 Page 30 of 33