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DocuSign Envelope ID:07A4359F-6D47-4987-B1F1-BF667ACBB3BA <br /> STORMWATER CONVEYANCE-334200 <br /> C. Install proper size increasers, reducers, and couplings where different sizes or materials of <br /> pipes and fittings are connected. Reducing size of piping in direction of flow is prohibited. <br /> D. Install gravity-flow, nonpressure drainage piping in accordance with the following: <br /> 1. Install PE corrugated sewer piping in accordance with ASTM D2321. <br /> 3.3 PIPE JOINT CONSTRUCTION <br /> A. Join gravity-flow, nonpressure drainage piping in accordance with the following: <br /> 1. Install PVC water-service piping in accordance with ASTM D2321 and ASTM F1668. <br /> 3.4 FIELD QUALITY CONTROL <br /> A. Inspect interior of piping to determine whether line displacement or other damage has <br /> occurred. Inspect after approximately 24 inches (610 mm) of backfill is in place, and again at <br /> completion of Project. <br /> 1. Submit separate reports for each system inspection. <br /> 2. Defects requiring correction include the following: <br /> a. Alignment: Less than full diameter of inside of pipe is visible between structures. <br /> b. Deflection: Flexible piping with deflection that prevents passage of ball or cylinder <br /> of size not less than 92.5 percent of piping diameter. <br /> C. Damage: Crushed, broken, cracked, or otherwise damaged piping. <br /> d. Infiltration: Water leakage into piping. <br /> e. Exfiltration: Water leakage from or around piping. <br /> 3. Replace defective piping using new materials and repeat inspections until defects are <br /> within allowances specified. <br /> 4. Reinspect and repeat procedure until results are satisfactory. <br /> B. Leaks and loss in test pressure constitute defects that must be repaired. <br /> C. Replace leaking piping using new materials and repeat testing until leakage is within <br /> allowances specified. <br /> 3.5 CLEANING <br /> A. Clean interior of piping of dirt and superfluous materials. Flush with potable water. <br /> END OF SECTION 334200 <br /> Orange County Solid Waste Drainage Repairs DAA 2200365/TRC 017055.0000.0000 <br /> Drainage Repair Project November 2023 <br /> Orange County, NC 334200-3/3 <br />