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amec19 <br />6�rth 8 En' ✓ir�r.mental <br />G) Material Processing <br />1) East Cresson Clay Borrow Area <br />Mobilization and set up of the soil liner fill processing plant was completed this week. <br />Processing of Soil Liner Fill material began this week. A CAT D -8 dozer, a CAT 320 excavator, a <br />CAT 966 front -end loader, and tandem -axel haul trucks were used to excavate, haul, and process <br />the material. <br />Location <br />Week <br />(tons) <br />Cumulative <br />Comments <br />E Cresson Clay Processing <br />5,388 <br />5,388 <br />S Cresson Clay Processing <br />0 <br />201,199 <br />Processing in area complete. <br />Squaw Gulch Processing <br />0 <br />35,816 <br />Processing in area com lete. <br />Total <br />5,388 <br />230,404 <br />2) Low Volume Solution Collection Fill Material ( LVSCF) <br />Processing of Low Volume Solution Collection Fill material continued at the Dump 4 LVSCF <br />Process. A CAT D -10 dozer and a skid steer loader were used to process the material. <br />Location <br />Week <br />Y <br />Comments <br />tons <br />(tons) <br />Dump 4 LVSCF Processing <br />24,421 <br />101,248 <br />H) Miscellaneous <br />No work was performed during the week. <br />III) Underground Workings <br />A) Drilling/Excavation <br />Excavation for the investigation of a possible Underground Working at UG #3011 was performed <br />using a CAT 375 excavator. The area was excavated down to 25 feet below finish grade and no <br />working or voids were encountered. John Lupo, P.E. Project Sponsor, stated that there is no <br />historic evidence of a working in the area. The excavated area will be backfilled as structural fill <br />placement progresses, through this area. No additional remediation is required for this working. <br />Confirmatory drilling was performed for Underground Working #3012. A drill pattern was set out <br />by an AMEC field representative. Fourteen holes were drilled encountering three voids. An <br />approximate total of 700 feet was drilled. An AMEC representative observed the confirmatory <br />drilling constantly. It will be necessary to remediate the lower portion of the working before any <br />further drilling can be performed to the east. Temporary fill material will need to be placed over <br />the working to gain access to the east side of the working. The crown pillar will be collapsed by <br />blasting and excavated. The working will then be remediated per plan. Prior to any remediation all <br />Temporary fill will be removed <br />Confirmatory drilling was performed for Underground Working #3013. A drill pattern was set out <br />by an AMEC field representative. Thirty -five holes were drilled encountering no voids. An <br />VLF Weekly Report WE 02.13.10.D.doc <br />