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DocuSign Envelope ID:070B6BC7-CDE2-4AO8-BE62-07FA6BFDO53B <br /> 11/20/2020 <br /> I. Cleanout rim elevations shall be placed at the bottom of the decorative stone elevations, unless <br /> otherwise shown in the Drawings. <br /> 3.4 FIELD QUALITY CONTROL <br /> A. Inspect interior of piping to determine whether line displacement or other damage has occurred. <br /> Inspect after approximately 24 inchesof backfill is in place, and again at 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. Test new piping systems, and parts of existing systems that have been altered, extended, or <br /> repaired, for leaks and defects. <br /> 1. Do not enclose,cover, or put into service before inspection and approval. <br /> 2. Test completed piping systems according to requirements of authorities having <br /> jurisdiction. <br /> 3. Schedule tests and inspections by authorities having jurisdiction with at least 48 hours' <br /> advance notice. <br /> 4. Submit separate report for each test. <br /> C. Leaks and loss in test pressure constitute defects that must be repaired. <br /> D. Replace leaking piping using new materials, and repeat testing until leakage is within allowances <br /> specified. <br /> 3.5 CLEANING <br /> A. Clean interior of piping of dirt and superfluous materials. Flush with water. <br /> END OF SECTION 33 4100 <br /> 3341 00 STORM UTILITY DRAINAGE Page 3 of 3 <br /> PIPING <br />