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<br /> <br />High Rock Road Waste & Recycling Center Improvements 33 44 00 - 2 <br />Orange County Solid Waste JULY 2021 <br />DAA PN R00592-213N <br /> <br />C. Fittings: Fittings shall conform to AASHTO M294. Fabricated fittings shall <br />be welded on the interior and exterior at all junctions. <br />D. Material Properties: Pipe and fitting material shall be high density <br />polyethylene meeting the requirements of ASTM D3350 Cell Classification <br />324420C; or ASTM D1248 type III, Class C, Category 4, grade P33. <br />E. Installation: Installation shall be in accordance with ASTM D2321 with the <br />exception that minimum cover in trafficked areas shall be one foot. <br /> <br />Nominal Diameter (in.) <br />Pipe I.D. (in.) 12 15 18 24 30 <br />Pipe O.D. (in.) 14.2 17.7 21.5 28.4 35.5 <br />Bell O.D. (in.) 14.8 18.4 22.1 29.2 36.4 <br />Flare O.D. <br />(in.) <br />15.4 19.6 23.9 29.9 37.9 <br />Pitch (in.) 2.0 2.4 3.0 4.0 4.0 <br />Weight (lb./ft.) 3.3 4.7 6.7 12.0 16.0 <br />Corrugation Annular Annular Annular Annular Annular <br /> <br />2.03 DRAINAGE STRUCTURES <br />A. Endwalls shall be cast-in-place or precast concrete in accordance with the <br />NCDOT Standard Details, latest edition. Types and sizes of structures <br />shall be as indicated on the Drawings. <br />PART 3 EXECUTION <br />3.01 GENERAL <br />Installation of all materials shall be in strict conformance with manufacturer's <br />recommendations. <br />3.02 EXISTING UTILITIES <br />A. The location of existing utilities, including underground utilities, is indicated <br />on the drawings insofar as their existence and location were known at the <br />time of preparation of the drawings. However, nothing in these Contract <br />Documents shall be construed as a guarantee that such utilities are in the <br />location indicated or that they actually exist, or that other utilities are not <br />within the area of operations. The Contractor shall make all necessary <br />investigations to determine the existence and locations of such utilities far <br />enough in advance of pipe laying to a llow for adjustments due to conflicts <br />in the horizontal and vertical location of the pipeline. <br />DocuSign Envelope ID: BBF56E0A-3618-497E-AA70-92F097E8F598