2009-03-25_REPORT - M1980244 (6)

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AdVik ame Earth & Environmental Sheet 2 of 8 2. Sediment Collection Pond Stripping has been completed. C. Waste Rock to Stockpile: 1. VLF All oversized material located in the fill from Stations K4+00 to 8+00 and 0 to 100 foot left was pushed out of the fill area, stockpiled and will be removed to Dump 4 at a later date. 2. Sediment Collection Pond Excess rock from the pond excavation has been stockpiled for future removal. D. Cut to Fill 1. VLF Continued placing structural fill, including night shift, in the VLF from approximate Sta. K4+00 to K8+00 approximately 0 to 100-feet left of centerline throughout the week. Fill is being hauled from the LOB/Delivery Road cut and sediment pond excavation. Benching each subsequent lift to remove any frozen or unsuitable material was conducted using a Cat D-6 dozer while the fill progresses. All fill placed as per method spec. as outlined in the Project Specifications. Discussions with Ames took place regarding the removal of unsuitable materials, namely oversize rock and method spec for the structural fill. 2. Sediment Collection Pond: Night Work: Excavation continued during the week. Cut to fill to VLF Station K4+00 to K8+00, 0 to 100-feet left. All oversize rock stockpiled for future haul to Dump 4. E. Subgrade Preparation 1. VLF No Activities 2. Sediment Collection Pond No Activities F. SLF Processing (Material is being generated/processed for the LOB and the VLF) Production of the SLF material located in Dump 5 continued intermittently at the clay plant during the week. Continued maintenance problems resulted in reduced production for the week. Quality of produced material was not affected. A new plant is due on site during the week ending March 21 st. The materials screening plant to process construction materials has been operating intermittently during the week. The plant is located at "Arequa Process Area" northwest of Ames maintenance area. VLF Weekly Report WE 03.14.09.D