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are considered substandard and unfit for use , and will be <br /> rejected by the IRCDUS ' s Engineer, <br /> E . All wyes , fittings , laterals , and manhole couplings shall be <br /> manufactured by same manufacturing company as the pipe <br /> or approved equal , see Approved Manufacturer' s Product <br /> List . Adapters shall be compatible to the approved pipe and <br /> appurtenances . All joints shall be rubber gasketed . <br /> F . The pipe shall be green in color. <br /> 5 . 04 PIPE JOINT SEALS <br /> A. Joint seals in polyvinyl chloride pipe and fittings shall comply with <br /> ASTM Designation D3212 . <br /> B . The joint shall remain sealed by its own compression . Adhesives <br /> shall not be necessary to weld or fuse the gaskets together. <br /> C . The compressive stress which is developed in the gasket material <br /> shall be as high as is permitted by the strength of the bell in ring <br /> tension , with due regard to factor of safety , and this stress shall be <br /> at its maximum value when the joint is completely assembled . <br /> 5 . 05 RETROFITTING SEWER LATERALS <br /> Gravity sewer systems shall be designed such that laterals are provided <br /> to serve all units and lots . In cases where sewer laterals must be added <br /> to a gravity sewer main , connections shall be made by installing a sewer <br /> service wye branch and a sleeve-type adapter, whichever is specified by <br /> IRCDUS for the particular application . <br /> 5. 06 SUBMITTALS <br /> Before starting fabrication of the PVC pipe and fittings , the Contractor <br /> shall submit complete detailed working drawings for approval by the <br /> Engineer or IRCDUS . Such drawings shall show the piping layouts and <br /> contain schedules of all pipe , fittings , valves , expansion joints , hangers <br /> and supports , and other appurtenances . Where special fittings are <br /> required , they shall be shown in large detail with all necessary <br /> dimensions . <br /> 5. 07 MARKING <br /> A. Number 10 stranded conductor copper trace wire shall be spiral <br /> wrapped or affixed to the top of the pipe . See trace wire Detail M- <br /> 16 for specifications regarding installation . <br /> B . Trace wire is required over all pipes . <br /> 5 - 2 <br />