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(raMontrol valves installed in a fire -rated room accessible from the exterior. <br />(-76)Control valves in a fire -rated stair enclosure accessible from the <br />exterior. <br />Section 10.1.5 is hereby added as follows: <br />10.1.5 All ferrous pipe and joints shall be polyethylene encased per AWWA <br />C150, Method A, B, or C. All fittings shall be protected with a loose 8- <br />mil polyethylene tube or sheet. The ends of the tube or sheet shall <br />extend past the joint by a minimum of 12 inches and be sealed with 2 <br />inch wide tape approved for underground use. Galvanizing does not <br />meet the requirements of this section. <br />Exception: 304 or 316 Stainless Steel pipe and fittings <br />Section 10.4.1.1 is herebv revised as follows: <br />10.4.1.1 All bolted joint accessories shall be cleaned and thoroughly coated <br />with asphalt or other corrosion -retarding material after installation. <br />Exception: Bolted joint accessories made from 304 or 316 stainless <br />steel. <br />Section 10.4.1.1.1 is hereby added as follows: <br />10.4.1.1.1 All bolts used in pipe -joint assembly shall be 316 stainless steel. <br />Ordinance No. NS-XXXX <br />Page 33 of 36 <br />