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PLUMBING PIPING SYSTEMS <br />Section 15400 <br />15-1207 <br />J. Install piping subject to expansion or contraction in a manner permitting strains to be <br />evenly distributed and alleviated by expansion loops installed as required. <br />K. Sleeves for branches through walls from adjacent mains shall be of sufficient size to <br />allow for free side motion of covered pipe in sleeve. <br />L. Remove cutting and threading burrs before assembling piping. <br />M. Do not install defective piping or fittings. Do not use pipe with threads which are <br />chipped, stripped, or damaged. <br />N. Plug each gas outlet, including valves, with threaded plug or cap immediately after <br />installation and retain until continuing piping or equipment connections are completed. <br />O. Ground gas piping electrically and continuously within project, and bond tightly to <br />grounding connection. Provide listed isolation fitting above grade prior to entry into <br />building. Provide independent ground systems for above ground and below grade. <br />P. Install drip -legs in gas piping where indicated and where required by code or regulation. <br />Q. Install piping parallel to other piping and walls unless detailed otherwise. <br />R. Contractor to use extreme care when working with galvanized fittings as to not damage <br />galvanized finish. If finish is damaged, contractor to paint damaged area with "Brite <br />Zinc" paint by "Brite Products" or equal. Follow requirements as outlined in ASTM A780. <br />3.05 INSTALLATION OF CONDENSATE DRAIN PIPING: <br />A. Run piping with pitch as shown, without pockets. <br />B. Connect condensate drains to mechanical equipment per equipment manufacturer's <br />recommendations. Provide p -trap where required. Slope piping to drain with 1 -inch per <br />10 feet minimum slope. Provide di -electric couplings or union at connections to <br />dissimilar materials. <br />3.06 DOMESTIC WATER SYSTEM STERILIZATION: <br />A. Water line disinfections are to be performed by a licensed contractor with training in <br />potable water line disinfections or a D-1 water operator licensed by the state of California <br />and trained in water line disinfections. <br />B. Water lines shall be cleaned by following guidelines provided by the AWWA standard C- <br />651 for water mains and guidelines provided by DP Disinfection for building water lines. <br />C. Prior to system sterilization, provide warning signs at all outlets while chlorinating the <br />system. Provide sign at all outlets, which reads "Water Sterilization in Progress — Do not <br />operate". Remove signs at conclusion of test. <br />D. Disinfection Procedures / 3 Hour Disinfection (Chemical pump Method / Building side of <br />Double Check Valve Assembly): <br />M <br />