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V � !-WW 1 1 MIZ4 <br />Ab <br />Structural fill was placed by D8 GPS dozer upslope from stations C6+00 to C8+00. The fill was graded down slope <br />from stations E0+00 to E4+00 by Cat dozers and compacted by a Cat CS56 smooth drum roller. The structural fill <br />was placed and compacted per project specification. <br />A Cat 345 excavator cut the Phase 2 Diversion Channel slopes to grade near stations 18+00 to 20 +00. <br />Note: An AMEC field professional monitored structural fill material temperatures placed within fill areas. Average <br />structural fill temperatures were above 32 °F and snow removal occurred prior to fill placement_ <br />Clay (SLF) Processing: <br />Cameron Site: No clay mining or processing occurred at the Cameron Site. Approximately 244,860 tons of clay I <br />soil liner fill (SLF) material have been produced at the Cameron site. SLF produced from the operation remains <br />stockpiled at Cameron Site for future use. <br />Squaw Gulch Clay Borrow Site: No clay mining or processing occurred at the Squaw Gulch Clay Borrow Site <br />due to wet conditions and inclement weather. Approximately, 110,500 tons of soil liner fill material has been <br />produced at the Squaw Gulch Clay Borrow Site to date. <br />Underdrain System: <br />Primary Underdrain: No work occurred on the primary underdrain. <br />Secondary Underdrain: No work occurred on the secondary underdrain. <br />Tree /Slash Grubbing and Clearing, Chipping: <br />No clearing or grubbing occurred. <br />B) Underground Workings <br />Confirmatory Drilling <br />Confirmatory drilling occurred at underground working #6112. Further remediation efforts are required. <br />Drill access was constructed to underground working #U6429. Confirmatory drilling is pending. <br />Remediation <br />Underground working #06115 was blasted, shot rock was removed, backfilled and is considered remediated. <br />Underground working #U6273 was blasted. Shot rock removal is in progress. Additional remediation efforts are <br />required. <br />Underground workings 4U6159,46506, and #6507 were excavated to competent rock, backfilled with structural fill, <br />and are considered remediated. <br />Approximately 225 yd3 of coarse shaft backfill were placed in UG #6153. Additional remediation is required. <br />A Cat D8 was used to cut access to the Anaconda Mine Complex. A Cat D8 dozer and John Deere 870 excavator <br />prepared underground working #6545 (part of the Anaconda Mine Complex) for remediation. <br />7.5 yds3 of concrete were placed in underground working #U6274. Concrete cylinders were made for strength <br />testing. Additional remediation is required. <br />ti) Storm Water Management <br />Best Management Practices (BMP) is being performed. Erosion control efforts took place during this reporting <br />period following any precipitation (snow removal and runoff from melting snow and ice). <br />Page 2 of 6 MLE2 WE 19 April 2014.doc <br />