2013-08-23_REPORT - M1980244 (3)

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L"Wilm"e, An Amec field representative monitored structural fill material temperatures placed within the Hwy 67 embankment during all shifts. Average structural fill temperatures were above 32 °F Clay (SLF) Processing: Cameron Site: No clay mining occurred during this reporting period due to a saturated site from previous rains. It should be noted: Clay processing occurred and SLF sample No. 44 was obtained and returned to our Laboratory for gradation analysis and permeability testing. Squaw Gulch Site: No work occurred at the VLF clay borrow site during this reporting period. Underdrain System: Secondary Underdrain: No work was performed on the Secondary underdrain during this reporting period. A total of 1380 feet of Secondary underdrain has been completed. Primary Underdrain: No work was performed on the Primary Underdrain during this reporting period. A total of 1280 feet of Primary underdrain has been completed. Temporary Underdrain: Temporary underdrain pipe is installed thru the embankment. No other work occurred during this reporting period. Underdrain Ponds: Concrete for the underdrain Ponds are complete. No other work was performed. Tree /Slash Clearing, Chipping: Seed Masters resumed operations during this reporting period and is expected to continue chipping stockpiled trees and slash within the VLF area. B) Underground Workings Confirmatory drilling was not performed during this reporting period. During this reporting period exploratory excavation was performed on UG working No. 6239. Site listed continued further investigation excavation into bedrock as remediation continues or completed during the reporting period as specified. Following a walk through of the planned Phase 2 Diversion ditch area, it was determined that approximately 21 workings are located within the planned ditch and perimeter road. These sites are to be located and verified once right -of -way and clearing of trees and brush are performed. During this reporting period remediation efforts were performed and completed on UG working No.U6240, No. 6242, No. 6243, No. 6244, No. 6246, No. 6247, No, 6248, No. 6249 and No. 6250. Sites listed were excavated to practical refusal into rock varying depths depending on the working remediated. The site for each working was then backfilled in 2 foot loose lifts to approximate planned subgrade elevation using the onsite structural fill (excavated material) and "bucket tamped" with the back of the CAT 330 excavator bucket. All backfill material was free of organic material, ice and snow and are considered remediated as specified. Q Highway 67 Page 2 of 6 J LE2 WE 07.27.13.doc