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or Class 124546 material and conform to the outside diameter of cast iron pipe with a minimum wall thickness of DR25 . C. Polyvinyl chloride pipe shall be purchased per the Approved Manufacturer's Product List. D. The pipe used for wastewater shall be green in color. The pipe used for reclaimed water shall be purple in color. 7. 05 JOINTS A. Joints for PVC pressure pipe shall be bell and spigot push-on rubber gasket type only. No solvent weld or threaded joints will be permitted . B . The Engineer of Record or IRCDUS may consider other type joints for specific installation upon submission of specifications " and approval . C . Restraint joints, when required , see Approved Manufacturer's Product List. 7. 06 FITTINGS ., A. All underground fittings shall be either ductile iron push-on , restrained , or mechanical joint. Mechanical joints shall conform to AWWA Standard Specifications C110/A21 . 10 or C153/A21 . 53 latest revisions. Fittings shall be fusion-bonded ceramic epoxy lined . The epoxy material shall be applied in one coat with a minimum dry film thickness of 40 . 0 mils and shall be Protecto 401 or approved equal . All aboveground exposed fittings shall be flanged . B . The pressure rating shall be 350 psi . C . Joint restraint, when required ; see Approved Manufacturer's Product List. 7.07 SUBMITTALS Before starting fabrication of the PVC pipe and fittings , the Contractor shall submit complete detailed working drawings for approval by the Engineer and IRCDUS . Such drawings shall show the piping layouts and contain schedules of all pipe , fittings, valves , expansion joints , hangers and supports , and other appurtenances. Where special fittings are required , they shall be shown in large detail with all necessary dimensions . The drawings submitted shall show flanged jointed sections placed so as to be removable without " disturbance to the main pipe sections . 7 - 2