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Nominal Minimum Wall <br />Outside Thickness - <br />Diameter - inches <br />inches <br />0.113= <br />1- <br />0.133- <br />1 3- <br />0.140- <br />1 2- <br />0.145- <br />2- <br />0.154- <br />4- <br />0.188- <br />6- <br />0.188- <br />8- <br />0.188- <br />10- <br />0.188- <br />12- <br />0.188= <br />24- <br />0.250- <br />30- <br />0.312= <br />36- <br />0.375- <br />42- and greater <br />0.500- <br />2. CONTRACTOR shall size steel casing as per the quantity and size of <br />conduits shown on the contract drawings. <br />2.02 CARRIER PIPE AND FITTINGS <br />A. The carrier pipe shall be ductile iron restrained joint pipe class 50 for four <br />(4) and six (6) inch diameter and class 52 for diameters eight inches and <br />larger. <br />B. Fittings for pressure carrier pipe shall be installed with restrained joint <br />collars such as meg -a -lug by EBBA Iron Company, Inc. or approved equal. <br />2.03 CASING SPACERS <br />A. Casing spacers shall be stainless steel with polymer runners. <br />07/03 16200 -3 03- 1438.A <br />