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the pipe and the spigot ends shall be supplied from factory with bevels. The Contractor shall <br /> furnish the Owner with an affidavit from the manufacturer that the materials fumished comply <br /> with these specifications. <br /> ' 32. Fire Hydrants. Fire hydrants shall be cast iron bodied, fully bronze mounted, suitable for a <br /> working pressure of 150 psi and shall conform with the requirements of the latest revision of <br /> AWWA Standard C-502 for "Fire Hydrants for Ordinary Water Works Service". Hydrants shall <br /> be constructed to permit withdrawal of internal working parts without disturbing the barrel or <br /> casing. Main valves, when closed, shall be reasonably tight when upper portion of the barrel is <br /> broken off. For water mains less than 12" in size, main valve opening shall be 4-1/2". For water <br /> mains 12" and greater in size, main valve opening shall be 5-1/4". The main valve facing shall <br /> be made of rubber. There shall be no chattering under any condition of operation. The <br /> hydrants shall be of the compression type, with main valve opening against the pressure and <br /> closing with the pressure. <br /> Each hydrant shall be equipped with two (2) 2-1/2" hose connection and one (1) pumper <br /> connection. Hose nipples shall be bronze or non-corrosive metal. Threads shall be approved <br /> by the Owner prior to placement of order for the hydrants. <br /> ' Hydrants shall be American Darling, or Clow and painted to city standard color scheme. <br /> 33. Sewer Force Mains. Sewer Force Mains 3" or larger in size shall be of Ductile Iron Pipe, <br /> Class 50 as hereinbefore specified. For force mains less than 3" in size, the material shall be <br /> PVC C-900, minimum pressure Class 150. <br /> ' 34. Mechanical Joint Restraint. Mechanical joint restraint shall be manufactured of ductile iron <br /> conforming to ASTM A536-80 such that the device can be used with standardized mechanical <br /> joint pipe and conform to ANSI/AWWA A 21.531 C153 and shall be EBAA Iron, Inc., Megalug or <br /> ' Uni Flange Corporation. Megalugs will be installed on all fittings, valves, bends, plugs, and on <br /> all pipe sections on hydrant legs. Concrete blocking is not required. <br /> r <br /> MATERIAL SPECIFICATIONS MS-7 <br /> 10/15/09 <br />