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ame <br />Nuclear density testing, moisture verification, and depth check testing was performed with <br />results within project specifications. Test locations were surveyed by Ames. <br />D) High Volume Solution Collection System <br />1) High Volume Solution Collection Piping <br />Placement of the high volume collection system continued at the DCF placement area shown <br />on Figures 5A and 5B, advancing in front of the placement. CPeP was placed and sandbagged <br />in accordance with design drawings and project specifications. <br />2) Drain Cover Fill (DCF) <br />Drain cover fill (DCF) placement within the Phase 5 VLF continued. DCF was placed in the <br />areas shown on Figures 5A and 5B. The DCF was hauled from the processing area to the <br />placement area using 40 -ton articulating haul trucks. The DCF was placed in a 2 -foot lift using <br />various CAT dozers except where haul routes were established. Haul route consisted of five - <br />foot lifts to be spread into 2 -foot lifts later. Laborers were present at all times during placement <br />holding the high volume collection piping in place, removing debris /sandbags, and assisting <br />the dozer operator with lift thickness. All DCF was placed on previously approved primary <br />geomembrane. AMEC field representatives monitored the DCF placement constantly. <br />E) Leak Detection Trench <br />1) VLF <br />A portion of the leak detection system was installed between stations A37 +00 ( + / -) and <br />A41 +00 ( + / -), approximately 250 feet left of centerline and between stations A29 +00 ( + / -) and <br />A30 +00 ( + / -), approximately 100 feet left of centerline. The l'x1' trench was excavated using <br />a CAT 312 excavator. 40mil HDPE geomembrane and 12oz /ft geotextile were placed in the <br />trench. Three -inch CPe pipe was then placed over the geotextile. Approved leak detection fill <br />(LDF) was placed in the trench using a skid steer loader and laborers. The geotextile was <br />wrapped and overlapped, encapsulating the LDF and 3" CPe pipe. SLF material was then <br />placed over the trench. Near station E23 +00 ( + / -), the leak detection was placed under the <br />anchor trench. Leak detection trench construction was observed and inspected by an AMEC <br />field representative and found to be constructed in accordance with design drawing and project <br />specifications. <br />Construction of the 9910' bench leak detection manhole was performed near station A0 +00 <br />( + / -). The excavation was performed using a CAT 312 excavator and the subgrade was <br />prepared using a jumping jack compactor. A 36" diameter HDPE SDR 21 pipe with a welded <br />HDPE bottom was place in the excavation. The 3" solid HDPE pipe was placed through the <br />inlet of the sump. The leak detection manhole was backfilled with fine grained native material <br />using a CAT 312 excavator and a jumping jack compactor. Leak detection manhole <br />construction was observed and inspected by an AMEC field representative and found to be <br />constructed in accordance with design drawing and project specifications. <br />II) Storm Water Management <br />A) Best Management Practices <br />Best Management Practices are being observed throughout the Phase 5 VLF Project. <br />VLF Weekly Report WE 08.27.2011 <br />