2009-12-11_REPORT - M1980244 (4)

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amE� Earth & Environmental H) ADR and Crusher Waterlines Pipe trench excavation and bedding was performed throughout the week for the Crushing waterline using a CAT 330 excavator and a CAT 980 front -end loader. The pipe bedding material was moisture conditioned and compacted using the bucket of the CAT 330 excavator. Approximately 400 linear feet of pipe trench was excavated and bedded during the week. I) Miscellaneous No work performed during the week. III) Underground Workings A) Drilling No work performed during the week. B) Mine Shaft /Stope Remediation No work performed during the week. 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 Phase 5 primary underdrain continued placing approximately 500 linear feet of 6 -inch diameter CPe pipe. The pipe was encased in underdrain filter material and geotextile per Drawing A260. VI)VLF Geosynthetics No work performed during the week. VII) VLF Drain Cover Fill A) Phase IVc Geomembrane Re- certification Area Drain cover fill placement was finished at Phase IVc re- certification. Drain cover fill was hauled from the stockpile just east of the old substation site using two 40 -ton articulating haul trucks loaded by a CAT 375 excavator. The drain cover fill was placed using a CAT 330 excavator to VLF Weekly Report WE 11.28.09.D.doc This hhThis Week Cumulative Location Comments So Cresson Clay Processing 9,059 140,326 Squaw Gulch Processing 0 35,816 Processing in area complete. Total 9,059 172,234 H) ADR and Crusher Waterlines Pipe trench excavation and bedding was performed throughout the week for the Crushing waterline using a CAT 330 excavator and a CAT 980 front -end loader. The pipe bedding material was moisture conditioned and compacted using the bucket of the CAT 330 excavator. Approximately 400 linear feet of pipe trench was excavated and bedded during the week. I) Miscellaneous No work performed during the week. III) Underground Workings A) Drilling No work performed during the week. B) Mine Shaft /Stope Remediation No work performed during the week. 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 Phase 5 primary underdrain continued placing approximately 500 linear feet of 6 -inch diameter CPe pipe. The pipe was encased in underdrain filter material and geotextile per Drawing A260. VI)VLF Geosynthetics No work performed during the week. VII) VLF Drain Cover Fill A) Phase IVc Geomembrane Re- certification Area Drain cover fill placement was finished at Phase IVc re- certification. Drain cover fill was hauled from the stockpile just east of the old substation site using two 40 -ton articulating haul trucks loaded by a CAT 375 excavator. The drain cover fill was placed using a CAT 330 excavator to VLF Weekly Report WE 11.28.09.D.doc