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I <br /> PART 3 EXECUTION <br /> 3.1 EXAMINATION <br /> A. Verify excavation specified in Section 31 23 16, Excavation and trenching specified in <br /> Section 31 23 17, Trenching is complete. <br /> B. Verify utility installation as specified in elsewhere in the specifications is complete and tested <br /> before placing flowable fill. <br /> C. Verify excavation is dry and dewatering system is operating, as may be required, prior to <br /> placement of flowable fill. <br /> 3.2 PREPARATION <br /> A. Support and restrain utilities to prevent movement and flotation during installation of <br /> flowable fill. <br /> B. Protect structures and utilities from damage caused by hydraulic pressure of flowable fill <br /> before fill hardens. <br /> C. Protect utilities and foundation drains to prevent intrusion of flowable fill. <br /> 3.3 INSTALLATION-FILL,BEDDING, AND BACKFILL <br /> A. Place flowable fill by chute,pumping or other methods as approved by Engineer. <br /> B. Place flowable fill in lifts to prevent lateral pressures from exceeding structural capacity of <br /> ' structures and utilities. <br /> C. Place flowable fill evenly on both sides of utilities to maintain alignment. <br /> D. Place flowable fill to elevations indicated on Drawings without vibration or other means of <br /> compaction. <br /> 3.4 INSTALLATION-FILLING ABANDONED UTILITIES <br /> A. As specified in Section 33 11 50, Existing Pipe Abandonment. <br /> 3.5 FIELD QUALITY CONTROL <br /> A. Perform inspection and testing according to ASTM C94. <br /> 1. Take samples for tests for every 100 cubic yards of flowable fill, or fraction thereof, <br /> installed each day. <br /> 2. Sample, prepare and test four compressive strength test cylinders according to ASTM <br /> D4832. Test one specimen at 3 days,one at 7 days, and two at 28 days. <br /> 3. Measure temperature at point of delivery when samples are prepared. <br /> i <br /> Legion Golf Course Stormwater Detention Project Flowable Fill <br /> WO#UP3620 312324 - 5 <br />