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DocuSign Envelope ID: 313DA256 -1EDE- 4396- A716- 4C53B809027E <br />JERRY M. PASSMORE CENTER ADDITION AND RENOVATION <br />HILLSBOROUGH, NORTH CAROLINA <br />PART 3 - EXECUTION <br />3.1 EARTHWORK <br />A. Excavation, trenching, and backfilling are specified in Division 31 Section "Earth Moving." <br />91!�'71' 121010fyl aW.1111KV21 <br />A. General Locations and Arrangements: Drawing plans and details indicate general location and <br />arrangement of underground storm drainage piping. Location and arrangement of piping layout <br />take into account design considerations. Install piping as indicated, to extent practical. Where <br />specific installation is not indicated, follow piping manufacturer's written instructions. <br />B. Install piping beginning at low point, true to grades and alignment indicated with unbroken <br />continuity of invert. Place bell ends of piping facing upstream. Install gaskets, seals, sleeves, <br />and couplings according to manufacturer's written instructions for use of lubricants, cements, <br />and other installation requirements. <br />C. Install manholes for changes in direction unless fittings are indicated. Use fittings for branch <br />connections unless direct tap into existing sewer is indicated. <br />D. Install proper size increasers, reducers, and couplings where different sizes or materials of pipes <br />and fittings are connected. Reducing size of piping in direction of flow is prohibited. <br />E. When installing pipe under streets or other obstructions that cannot be disturbed, use pipe - <br />jacking process of microtunneling. <br />F. Install gravity -flow, nonpressure drainage piping according to the following: <br />1. Install piping pitched down in direction of flow. <br />2. Install reinforced - concrete sewer piping according to ASTM C 1479 and ACPA's <br />"Concrete Pipe Installation Manual." <br />3.3 PIPE JOINT CONSTRUCTION <br />A. Join gravity -flow, nonpressure drainage piping according to the following: <br />1. Join reinforced - concrete sewer piping according to ACPA's "Concrete Pipe Installation <br />Manual" for rubber - gasketed joints. <br />2. Join dissimilar pipe materials with nonpressure -type flexible couplings. <br />3.4 CATCH BASIN INSTALLATION <br />A. Construct catch basins to sizes and shapes indicated. <br />B. Set frames and grates to elevations indicated. <br />UTILITY STORM DRAINAGE PIPING 334100-3 <br />