2011-11-19_REPORT - M1980244 (3)

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amec* nvironmental 2) Low Volume Solution Collection Fill Material ( LVSCF) Processing of Low Volume Solution Collection Fill material continued at the Dump 4 LVSCF Process. A CAT D -8 dozer and a CAT 980 front -end loader were used to process the material. Location Week um)lative �o Comments (tons) Dump 4 LVSCF Processing - - uantit unavailable The quantity of LVSCF processed was unavailable from Ames. H) ADR and Crusher Waterlines Construction of the ADR/Crushing waterlines continued backfilling tie -in areas and testing of the new system. I) Miscellaneous No work performed during the week. III) Underground Workings A) Drilling No work performed during the week. B) Mine Shaft /Stope Remediation Remediation of Underground Workings #3006 and #3007 (Thompson shaft) began using a CAT 330 excavator to prepare the workings for a concrete plug. The working walls were laid back into competent rock at approximately a 1.5:1 slope. Remediation was observed by an AMEC representative constantly. C) Lateral/Slot Remediation No work performed during the week. IV) Storm Water Management Structures A) Control Structures No work performed during the week. B) Best Management Practices Best Management Practices are being observed throughout the Phase 5 VLF Project. Storm water controls were maintained throughout the week. Precipitation not substantial throughout the week. V) VLF Primary Underdrain Construction of the primary underdrain continued using a CAT D -10 dozer to rip frost in the area. The frost and overburden material was loaded into CAT 777 haul trucks using a John Deere 850 excavator and hauled to the overburden stockpile area east of the east perimeter road near stations A29 +00 ( + / -) to A32 +00 ( + / -) right of centerline. VLF Weekly Report WE 01.30.10.D.doc