2009-09-01_REPORT - M1980244 - Laserfiche WebLink

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amec Earth 8 Environmental Location This Week tons Cumulative (tons Comments So Cresson Clay Processing 6,651 73,612 Squaw Gulch Processing 0 35,816 Processing in area complete. Total 6,651 109,428 I) New ADR Water Tank and Waterline Excavation of the new ADR waterline trench was completed between stations A15+00 (+/-) and A22+00 (+/-) using a CAT 345 excavator. Blast pattern drilling was performed by Rockbreakers between stations A17+50 (+/-) and A19+00 (+/-), using two track mounted drill rigs. Pipe bedding was placed in the bottom of the excavated trench and compacted using the excavator bucket, per project specification. 10" and 12" diameter HDPE pipes, previously fusion-welded in 250 and 600-foot runs at the Ames laydown yard, were placed in the new ADR waterline trench. Approximately 600 lineal feet of 12- inch HDPE pipe and 600 lineal feet of 10-inch pipe were placed in the trench. Tracer wire was taped to the top of the pipes. The pipes were covered with pipe bedding material using a CAT 345 excavator and a CAT 966 loader between stations A20+00(+/-) to A22+00(+/-), per project specification. J) 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 VLF Phase 5 Project. Storm water controls were improved throughout the week. Sumps were also constructed along existing haul roads for storm water control. Precipitation was not substantial during the week. V) VLF Geosynthetics No work performed during the week. VLF Weekly Report WE 08.22.09.D.doc