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2010-11-15_REVISION - M1980244 (162)
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2010-11-15_REVISION - M1980244 (162)
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Last modified
6/15/2021 5:52:28 PM
Creation date
12/28/2010 1:49:35 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
11/15/2010
Doc Name
QA Monitoring and Test Results- 2010, VOL. II, Appendix D, Weekly Reports, Part 6.
From
CC&V
To
DRMS
Type & Sequence
AM9
Email Name
BMK
Media Type
D
Archive
No
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amec <br />Earth & Environmental <br />structural fill and a two-layer geogrid cap be placed, extending 25 feet in all directions from the <br />location. A Remediation plan was submitted by John Lupo. <br />C) Lateral/Slot Remediation <br />No work performed during the week. <br />IV) Storm Water Management Structures <br />A) Control Structures <br />No work performed during the week. <br />B) Best Management Practices <br />Best Management Practices are being observed throughout the Phase 5 VLF Project. Storm water <br />controls were maintained throughout the week. Precipitation not substantial throughout the week. <br />V) VLF Soil Liner Fill <br />A) Phase IVa Geomembrane Re-certification <br />Soil liner fill placed last week for the Phase IVa geomembrane re-certification was protected using <br />visqueen plastic. The plastic was removed prior to geomembrane installation in the area. <br />VI) VLF Geosyntheties <br />A) Exposure of the Phase IVc Geomembrane Re-certification Area <br />After the drain cover fill placement was complete, supporting the slope the north, the Phase IVc <br />geomembrane exposure continued. This was performed to remove the support buttress in the area. <br />The material was removed using a John Deere 35D excavator feeding a CAT 330 excavator. The <br />CAT 330 excavator loaded the removed material into a 40-ton articulating haul truck. The material <br />was stockpiled just south of the excavation. An AMEC representative was present at all times <br />during geomembrane exposure. <br />B) Phase IVa Re-certification Geomembrane Installation <br />Geomembrane deployment at the Phase IVa re-certification was performed replacing the existing <br />geomembrane designated in the Re-certification Memo. The subgrade surface was inspected and <br />found to be acceptable prior to each panel deployment. Density, permeability, moisture, and depth <br />testing was performed previously in the area (11/3/2009). Eight panels of 100 mil single sided <br />textured geomembrane were deployed for an approximate total square footage of 9,162. Two <br />fusion trial seams were performed during the deployment of geomembrane with passing results. <br />Sixteen seams were fusion welded for an approximate total of 609 linear feet. Two destructive test <br />samples were marked during fusion seaming and tested with passing results. Twenty one seam <br />pressure tests were performed with passing results. Fifteen repairs were made using the extrusion <br />welding method. Three extrusion trail welds were performed during repair activities with passing <br />results. Vacuum testing of all repairs was performed with passing results. AMEC representatives <br />were present at all times during geomembrane installation activities. <br />The Phase IVa re-certification anchor trench was backfilled using a John Deere 35D excavator and <br />a jumping jack compactor. The material was placed in 12" loose lifts and compacted using the <br />jumping jack compactor. <br />VLF Weekly Report WE 11.14.09.D.doc
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