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City of Elk River Design Standards <br />Materials <br />1. The materials used in this work shall be new, conforming to the requirements of the referenced <br />specifications for class, kind, type, size, and grade of material as specified below and other <br />details indicated in the contract. <br />2. Watermain pipe shall be ductile iron pipe Special Class 52 and shall conform to the requirements <br />of AWWA C151 (ANSI A21.51). <br />3. "Hydrafinder" hydrant locating devices, as manufactured by RoDon Corporation, shall be five <br />feet in length and furnished with a "flat" steel mounting bracket and the MIL SPEC spring <br />mount. <br />4. Pipe bends and fittings requiring restraining devices shall be restrained with Series 1100 Megalug <br />mechanical joint restraint fittings as manufactured by EBBA Iron, Inc. or equal. ALPHA single <br />bolt restrained joints, or equal may be used for hydrants and valves. <br />All pipe and fittings shall be furnished with cement mortar lining meeting the requirements of <br />AWWA C104 (ANSI A21.4) for standard thickness lining. All interior and exterior surfaces of <br />the pipe and fitting shall have a tar or bituminous seal coating at least one mil thick. Spotty or <br />thin seal coating, or poor coating adhesion, shall be cause for rejection. <br />6. Tapping Sleeves: Tapping sleeves shall be Smith -Blair 622 or 662, as shown in the table below, or <br />approved equal. <br />Branch <br />Pipe Size <br />ExistingPi e Size <br />6" <br />8" <br />10" <br />12" <br />16" <br />20" <br />24" <br />6" <br />662 <br />662 <br />662/622 <br />662/622 <br />622 <br />622 <br />622 <br />8" <br />662 <br />662 <br />662/622 <br />662/622 <br />622 <br />622 <br />622 <br />10" <br />662/622 <br />662/622 <br />662 <br />662 <br />622 <br />622 <br />622 <br />12" <br />662/622 <br />662/622 <br />662 <br />662 <br />622 <br />622 <br />622 <br />Model 622 shall have the following characteristics. Body shall be 3/8" carbon steel ASTM 285, <br />Grade A. Flange shall be AWWA C207 Class D, ANSI 150 lb drilling. Gasket shall be grade 60 <br />concave wedge gaskets. Bolts and nuts shall be high strength low alloy steel, AWWA C111, <br />ANSI A21.11. <br />Model 662 shall have the following characteristics. Body shall be full circumference band, 18-8 <br />type 304 stainless steel. Flange shall be AWWA C207 Class D, ANSI 150 lb drilling, epoxy <br />coated finish. Gasket shall be Grade 60 concave wedge gasket. Bolts and nuts shall be 18-8 type <br />304 stainless steel. <br />7. Service Pipes and Fittings <br />A. Corporation fittings <br />• LF 1 CC X PE PJ BALL CORP(HDPE) <br />■ Ford Meter Box Company Part FB10014NL or Equal <br />"OR" <br />• LF 1 CC X FLR BALL CORP (Copper) <br />■ Ford Meter Box Company Part FB6004NL or Equal <br />"IF REQUIRED" <br />© City of Elk River, Minnesota — All rights reserved 8 <br />