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7/2011 <br />15060 - 4 <br />proposed. This weight shall be that of the bare casting prior to application of any lining or <br />coating. The weight of a fitting supplied under the contract shall not be less than ninety-five <br />(95) percent of the tabulated nominal weight supplied by the manufacturer’s catalog literature <br />for that fitting. Further, the weight of fittings supplied shall not be more than five (5) percent <br />above the same tabulated nominal weight. <br /> <br />C. JOINTS AND ACCESSORIES <br /> <br /> Push-On Type Joints (Single Gasket and Single Gasket with Gasket Restraint) <br /> <br />Push-on joints shall conform to ANSI/AWWA Standard C111/A21.11-00, except that the gaskets <br />for pipe and fittings shall be neoprene where so specified. <br /> <br />The required number of gaskets for each push-on joint pipe plus one extra for every 50 joints or <br />fraction thereof, shall be furnished with each order. The gaskets shall be shipped in suitable <br />protective containers. All single gasket pipe shall be as manufactured by United States Pipe and <br />Foundry Company (Tyton), by the American Cast Iron Pipe Company (Fastite), by McWane, Inc. <br />(Mix of Tyton and Fastite), Tyler/Union (Tyton) or approved equal. <br /> <br />Push-on joints together with both their regular and gasket-restraint gaskets shall be of the design, <br />dimensions and tolerances of either those provided by American Cast Iron Pipe Company <br />(Fastite/Fast-Grip) or those provided by United States Pipe and Foundry Company (Tyton/Field <br />Lok). No other designs shall be acceptable. If required by the Miami-Dade Water and Sewer <br />Department, the Vendor shall supply complete design drawings, with dimensions, tolerances and <br />materials of the joint and gasket being supplied within fourteen (14) calendar days of the date of <br />receipt of the letter, fax or E-mail requiring said submission. If so required by the Water and Sewer <br />Department, this submission shall be signed, sealed and dated by an Engineer registered to <br />practice in the State where the manufacturer is located. If the pipe is of non -domestic origin, <br />signing, sealing and dating of the submission, when required, shall be performed by an Engineer <br />registered in the state where the Vendor’s main office is located or the State of Florida, at the <br />discretion of the Chief, Engineering Division, Miami-Dade Water and Sewer Department or his <br />designee. <br /> <br /> <br /> Mechanical Joints <br /> <br />Mechanical joints for fittings shall conform to ANSI/AWWA Standard C111/A21.11-00, except that <br />the gaskets for each fitting under Groups D and D1 shall be neoprene. Bolt holes for mechanical <br />joints shall be equally spaced, and shall straddle the vertical centerline. Tee head bolts and <br />hexagonal nuts for all mechanical joints in fittings shall be of high strength low-alloy steel with <br />composition, dimensions and threading as specified in ANSI/AWWA Standard C111/A21.11-00. <br />Glands shall be of ductile-iron construction for ductile iron fittings, and cast gray iron or ductile iron <br />for cast gray-iron fittings. <br /> <br />The proper number of gaskets, glands, bolts and nuts, all conforming to ANSI/AWWA Standard <br />C111/A21.11-00, plus one extra gasket for every 10 joints or fraction thereof, shall be furnished <br />with each order. The gaskets and joint accessories shall be shipped in suitable protective <br />containers. Follower glands held in place with set screws will not be acceptable. Segmented <br />glands will not be acceptable. <br />Mechanical Joint and Push On Joint Megalug-Type Restraining Systems <br />