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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />M. <br />N. <br />O. <br />P. <br />Q. <br />R. <br />S. <br />T. <br />Install nipples, unions, special fittings, and valves with pressure ratings the same as or higher <br />than the system pressure rating used in applications below unless otherwise indicated. <br />Install piping free of sags and bends. <br />Install fittings for changes in direction and branch connections. <br />Install unions in copper tubing at final connection to each piece of equipment, machine, and <br />specialty. <br />Install thermostats in hot-water circulation piping. Comply with requirements for thermostats in <br />Section 221123 "Domestic Water Pumps." <br />Install thermometers on outlet piping from each water heater. Comply with requirements for <br />thermometers in Section 220519 "Meters and Gages for Plumbing Piping." <br />Install sleeves for piping penetrations of walls, ceilings, and floors. Comply with requirements <br />for sleeves specified in Section 220500 "Common Work Results for Plumbing." <br />Install sleeve seals for piping <br />requirements for sleeve seals <br />Plumbing." <br />U. Install escutcheons for piping <br />requirements for escutcheons <br />Plumbing." <br />3.3 JOINT CONSTRUCTION <br />penetrations <br />specified in <br />penetrations <br />specified in <br />of concrete walls and slabs. Comply with <br />Section 220500 "Common Work Results for <br />of walls, ceilings, and floors. Comply with <br />Section 220500 "Common Work Results for <br />A. Ream ends of pipes and tubes and remove burrs. <br />Remove scale, slag, dirt, and debris from inside and outside of pipes, tubes, and fittings before <br />assembly. <br />C. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut <br />threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore <br />full ID. Join pipe fittings and valves as follows: <br />1. Apply appropriate tape or thread compound to external pipe threads. <br />2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or <br />damaged. <br />D. Soldered Joints for Copper Tubing: Apply ASTM B 813, water-flushable flux to end of tube. <br />Join copper tube and fittings according to ASTM B 828 or CDA's "Copper Tube Handbook." <br />E. Pressure -Sealed Joints for Copper Tubing: Join copper tube and pressure -seal fittings with <br />tools recommended by fitting manufacturer. <br />F. Joints for Dissimilar -Material Piping: Make joints using adapters compatible with materials of <br />both piping systems. <br />DOMESTIC WATER PIPING 221116 - 6 <br />