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9/2/2020 <br /> <br />33 41 00 STORM UTILITY DRAINAGE <br />PIPING <br />Page 3 of 3 <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 41 00 <br />DocuSign Envelope ID: 7D9ACD4F-8F6C-42B6-9ADB-C60032DB6D03