Orange County NC Website
Browse       Search
DocuSign Envelope ID:29F350EB-C553-4EEB-BD97-898B3775EE03 <br /> SECTION 22 13 16—SANITARY WASTE AND VENT PIPE AND FITTINGS(PVC-DWV) <br /> A. GENERAL <br /> 1. Provide soil, waste, vent piping, supports and hangers as required for a complete plumbing <br /> system. <br /> 2. Testing of all piping shall be made in the presence of the Engineer or a designated representative <br /> of the Owner. No piping shall be covered or put into operation before such testing has been <br /> approved. <br /> 3. The arrangement of the piping shall follow the general locations shown on the drawings, such that <br /> clearances, line drainages, etc. shall be maintained. <br /> B. PRODUCT <br /> 1. Building sanitary sewer and vent lines, exterior and interior, shall be Schedule 40 PVC-DWV <br /> ASTM D-2665 and ASTM D-1785 soil pipe and fittings with solvent-weld joints. No waste or vent <br /> lines less than 2"shall be installed underground. No foam core PVC will be allowed. <br /> 2. Joints shall be made water and gas tight in accordance with manufacturer's recommendations. <br /> 3. Soil,waste and vent piping shall be supported as specified in Specification Section 22 05 29. <br /> C. EXECUTION <br /> 1. "T" branches shall not be used in drainage piping, and sanitary fittings shall not be used in vent <br /> stack. <br /> 2. In pipe chases,the Contractor shall provide for suspension of all piping from the structure. Do not <br /> allow piping to rub against masonry when expanding and contracting. <br /> 3. Close and protect open ends of piping until final connections are made. Such closings shall be <br /> made with fittings which cannot be easily removed. Caps or plugs shall be required at all times <br /> during construction so that no pipes are left open at the end of any day's work, even though <br /> continuation is expected the next day. <br /> 4. Any leaky joints shall be remade with new materials. <br /> 5. Sleeves shall be provided wherever pipes pass through walls, floors and ceilings. Sleeves shall <br /> be Schedule 40, black steel, 1/2" in diameter larger than the pipe or insulation on the pipe. <br /> Sleeves through floors shall be caulked, made watertight,and fire sealed. <br /> 6. Pipe joint compound shall be in accordance with ASTM#D-2564. <br /> 7. Waste and vent piping shall be hydrostatically tested at each floor. A test tee will be installed <br /> below each floor and pipe will be filled with water for a height of 10'above finished floor. The pipe <br /> shall be gas and watertight. Water shall stand in the system for a period of 30 minutes without <br /> evidence of leakage.After the waste and vent piping has been hydrostatically tested for the entire <br /> system the piping shall be smoke tested using smoke bombs.The contractor shall plug waste line <br /> where it exits building, fill all of the traps with water and test the waste and vent piping by using a <br /> smoke bomb in a wall or floor cleanout. <br /> He shall install a plug on the cleanout once the smoke bomb has been dropped into the cleanout. <br /> The smoke bomb test shall be held for thirty minutes without evidence of leakage in the piping. <br /> The smoke bombs for this testing shall be furnished by the contractor. Once the testing of the <br /> ©BOOMERANG DESIGN#1315 221316-1 Cedar Grove Community Center <br /> Orange County 11/11/14 <br />