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1 <br />ameo-, <br />Note: An Amec field representative monitored structural fill material temperatures placed within the areas of fill <br />during all shifts. Average structural fill temperatures were above 32 °F. <br />Clay (SLF) Processing: <br />Cameron Site: Clay processing continued during this reporting period. <br />Squaw Gulch Clay Borrow Site: Clay stockpiling occurred during this reporting period. <br />Underdrain System: <br />Secondary Underdrain: Construction adjacent to Dump 4 at the toe of the Ball mill fill occurred during this <br />reporting period. <br />A total of 1380 feet of Secondary underdrain has been completed. <br />Primary Underdrain: No work was performed on the Primary underdrain during this reporting period. <br />A total of 1280 feet of Primary underdrain has been completed. <br />Temporary Underdrain: No work was performed on the temporary underdrain during this reporting period. <br />Tree /Slash Clearing, Chipping: <br />Seed Masters paused operations until further notice. <br />B) Underground Workings <br />Confirmatory drilling was performed on underground working No. 6167 and No. U6273. All drill hole locations were <br />established on a 4 -foot center isolating any voids found. Further remediation efforts will be ongoing until remediated. <br />Summary of the remediation efforts will follow 100% remediation. <br />Underground Working No. 6051 was 100% remediated with backfill. <br />Underground Working No. 6277 was 100% remediated with excavation and backfill. <br />No other sites were remediated during this reporting period. <br />Q Highway 67 <br />An area located at approximate Sta. 1022 +00 was identified as unacceptable; material was replaced with approved <br />material then compacted. A proof roll was conducted on the placed and compacted ABC (Class 6) materials and <br />approved for bottom mat placement. <br />Three areas within the placed and compacted ABC (Class 6) materials were potholed into the classified R -40 sub- <br />base for sampling and testing for R -40 values. Potholes were restored and tack 1 sealant was applied in preparation <br />for paving. Results of the samples will be forthcoming. <br />Paving began on the HWY 67 realignment. The bottom mat was laid in a 3 inch mat along the embankment portion <br />of the project. <br />Guardrail was placed and installed along the embankment. <br />The area adjacent to the South MSE wall was graded for re- alignment, portions of the ditch lies between the MSE <br />wall and the pavement was graded as -well. <br />Sliver fill near Sta. 1029 +00 was completed during this reporting period. <br />Page 2 of 6 MLE2 WE 09.21.13.doc <br />