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(7) All gate valves shall have stainless steel body bolts unless otherwise specified. <br />C3 Butterfly Valves <br />Butterfly valves shall be manufactured in conformance with all applicable requirements of <br />AWWA C-504 for 150 p.s.i. working pressure minimum, together with such supplementary <br />requirements as may be covered in the Plans, Specifications, and Special Provisions. Unless <br />otherwise specified, the butterfly valves furnished shall comply with the following supplementary <br />requirements. <br />(1) The butterfly valves shall be short body of ductile or cast iron with mechanical joint <br />ends. <br />(2) The butterfly valves shall be rubber seated with ductile or cast disc, non -rising stem <br />type furnished with 0-ring stem seals. <br />(3) The butterfly valves shall be equipped with a two-inch square operating nut opening <br />counterclockwise. <br />(4) The butterfly valves shall be designed for direct burial installation <br />(5) All butterfly valves shall have an open indicating arrow, the manufacturer's name, <br />pressure rating and year of manufacture on the valve bodies. <br />(6) All internal and external surfaces of the valve body and bonnet shall have an epoxy <br />coating, complying with ANSI/AWWA C550. <br />(7) All butterfly valves shall have stainless steel body bolts unless otherwise specified. <br />D Water Service Pipe and Fittings <br />Water service pipe of 3 inches or larger inside diameter shall conform to the requirements as set <br />forth under the provisions of 2611.2. <br />Water service pipe of less than three inches (3") in inside diameter shall conform to the <br />requirements of ASTM B 88 for Seamless Copper Water Tube, Type K, Soft Annealed temper; <br />Polyethylene Pipe as per AWWA C901 and ASTM D3350, or Polyvinyl Chloride Pipe and fittings <br />as per a ASTM D1785, D2241, D2466, D2467 and D2740, or Cross -linked Polyethylene (PEX) <br />pipe as per ASTM F876, ASTM F877, and AWWA C904, NSF/ANSI Standard 61 for potable <br />water distribution, as specified on the Proposal or in the Special Provisions. Water service <br />piping supplied shall include markings indicating the type, pressure class, testing certification, <br />and use for potable water systems. <br />Corporation stops, saddles, curb stops, and curb stop service boxes shall conform to the <br />requirements of AWWA C800 be as detailed in the Plans, Specifications, and Special Provisions <br />or approved designations. <br />Saddles for Polyethylene Pipe shall conform to the requirements of AWWA C800, and shall be <br />thermal fusion polyethylene type; ductile iron with dual stainless steel straps, spring washers, <br />bolts and washers; or stainless steel sleeve type, with stainless steel bolts, nuts, and spring <br />Page 25 <br />