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ameO <br />E) High Volume Solution Collection System <br />1) High Volume Solution Collection Piping <br />No placement performed during the week. <br />2) Drain Cover Fill (DCF) <br />No work performed during the week. <br />F) Leak Detection Trench <br />1) VLF <br />Excavation of the leak detection trench continued between stations H20+50 (+/-) and H24+50 <br />(+/-), approximately 150 feet left of centerline. The excavated material was stockpiled to the <br />west of the excavation and will be used for slope contouring in the area. A portion of the leak <br />detection system was installed between stations H22+00 (+/-) to H24+50 (+/-) approximately <br />150 left of centerline. The I'xl' trench was excavated using a CAT 312 excavator. 40111il <br />HDPE geomembrane and 120Z/ft2 geotextile were placed in the trench. Three-inch CPe pipe <br />was then placed over the geotextile. Approved leak detection fill (LDF) was placed in the <br />trench using a CAT 950 front-end loader and laborers. The geotextile was wrapped and <br />overlapped, encapsulating the LDF and 3" CPe pipe. SLF material was then placed over the <br />trench. Leak detection trench construction was observed and inspected by an AMEC field <br />representative and found to be constructed in accordance with design drawing and project <br />specifications. <br />Two load of LDF were delivered from an olIsite location. The PSSA loading ramp was <br />maintained by Ames allowing access to the delivery site. A sample of the material was <br />obtained by AMEC to ensure it met project specifications. Passing test results were achieved <br />and the material was approved for placement. <br />II) Storm Water Management <br />A) Best Management Practices <br />Best Management Practices are being observed throughout the Phase 5 VLF Project. <br />III) Material Processing <br />A) Drain Cover Fill Process Area <br />No Drain Cover Fill (DCF) was processed during the week. <br />Location Thi <br />I <br />eek Cum <br />hve Comments <br /> i <br />s ons <br />DCF Process 0 121,223 <br />Total 0 121,223 <br />IV)VLF Geosynthetics <br />A) Geomembrane Installation <br />1) VLF <br />No work performed during the week. <br />VLF Weekly Report WE 05.07.201 1