Laserfiche WebLink
' ORCIiARD VALLEY MINE <br />QIIARTERLY AA3TE DISPOSAL AREA INSPECTION REPORT <br />NEW WESm_RTnr.F PILE <br />-~_ <br /> <br />III IIIIIIIIIIIIIIII <br />ITEM Y/N COMMENTS <br />1. Quantity of waste material Mining conditions have improved; <br />added to waste disposal area we are losing less cap rock, whick <br />this quarter. is the material being hauled to th <br /> gob pit; along with some clean up <br />(See attached calculations) material; largely shale with some <br />(576 yds) intermixed coal. <br />2. Waste material deposited and Y Material was added in 24" lifts an <br />compacted in 24" lifts? water was added to material be- <br /> fore compaction with vibratory ~ <br /> compactor. <br />3. Drainage alterations Y East & West side ditches recon- <br />constructed? structed & rip-rapped (with the <br /> West side ditch 1/2 completed). <br /> This work was done to meet 100 <br /> year flood criteria. Also recon- <br /> structed North ditch, laying down <br /> filter fabric before rip-rapping. <br />4. Present height of waste mat- Highest height is approx. 90'. <br />erial. <br />5. New bench constructed? Have started on the 2nd level <br /> of pile & construction of dr- <br /> ainage ditch (bench level drainage <br /> is complete on East side. West sid <br /> is subgraded to specifications, bu <br /> topsoil is in piles and needs fina <br /> grading. <br />6. Refuse material outslope pl- Y Presently constructing outslopes <br />aced at 1V:2H? per design specifications at 1:2 <br /> slope. <br />e <br />d <br />e <br />t <br />1 <br />