2009-07-15_REVISION - M1980244 (28)

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ameO Completed LOB Underground Workings 5/2//2009 ID# Northing Eastin Elevation Comments 2001 50199.458 40213 67 10174 951 On edge of VLF footprint. Shallow shaft. Backfill with structural fill 2002 49681 855 39111.85 10222.514 Shallow shaft. Backfill with structural fill. 2003 54670.511 37987 468 10189.265 Not in LOB haul road footprint 2004 54317.717 37821.732 10112 226 In cut. No remediation needed. 2005 54228 037 38046.401 10174 113 Shaft or collapse into Raven Tunnel 10,100' elev. Working is in cut. no remediation 2006 54066.629 3815184 10175.45 Not in LOB haul road footprint 2007 54048.3 38214 844 10190.934 Not in LOB haul road footprint 2008 54036.13 38197.064 10188.578 Not in LOB haul road footprint 2009 53994.91 38183.725 10168.716 Not in LOB haul road footprint 2010 53982.346 38121.653 10148.466 Shaft in cut. No remediation. Cut being performed in area 2011 53982.138 38121 823 10148.473 Shaft in cut. No remediation. Cut being performed in area 2012 54004 148 38113.49 10151.034 Shaft in cut No remediation. Cut being performed in area 2013 54000.689 38085.834 10140 068 Shaft in cut. No remediation. Cut being performed in area 2014 53974.82 38089.862 10133.673 Shaft in cut No remediation. Cut bein performed in area 2018 54573.755 37562 074 10071.456 Shallow shaft in cut. Backfill shaft with structural fill. Removed during cut 2019 54641 412 37585.877 10065 009 Shallow shaft in cut Backfill shaft with structural fill Horiz. drift running in an east. Work completed. 2020 54652.14 37500.975 10037.916 Shallow shaft in fill. Backfill shaft with structural fill. Backfilled on Friday 2021 54749.88 37727.329 10090 254 Haulage tunnel in out. No remediation Removed during cut 2022 54866.79 37768.44 10081.047 Shallow shaft in cut. Backfill shaft with structural fill. Backfilled 2023 55130.037 37883.8 10081 745 Not in LOB haul road footprint 2024 55065.199 38273.248 10255.281 Not in LOB haul road footprint 2025 55147 916 38335.892 10257.719 Not in LOB haul road footprint 2026 55132 735 38272.95 10249.238 Not in LOB haul road footprint 2027 55164 21 37686.05 0 Haulage tunnel in fill No remediation Fill laced Completed 2028 54615.713 37641.886 10068.216 Removed during LOS Pad cut 2029 53959 714 38101.139 10124 015 Removed during LOB Pad cut 2035 53445.518 38116.952 9981.517 No Rernediation Required 2037 53262.75 38599 62 9974 29 No Remediation Required 2039 52921 48 38797 4 979014 Remediation Complete 2040 Pending Pendin Pending Part of working 2036, rernediation completed Pending LOB Underground Workings 5/2//2009 2015 53978 476 37990.783 10100.528 Tornado Shaft at road elevation. Deep workings down to 9,000 ft elev Backfilled to within 30' 2016 53897 185 37972.07 10079.118 Sloped at surface connected to Tornado Shaft. Could reach 9.000 ft elv. 2017 54129 748 37916 308 10106 209 In cut. Likely, no remediation required. Will assess as construction progresses. 2030 53693.594 38234 679 10071.748 Backfilled for safety in LOB Delivery Road cut. Will assess as construction progresses. 2031 53780 553 37961.822 10049 108 Backfill Remediation 2032 53704.086 37963.731 10031 741 Backfill Remediation 2033 53426 918 37966.416 9952.933 Backfill Remediation 2034 53393 731 38048.556 9952.576 Backfill Remediation 2036 53511 741 37946.571 9976.853 Shaft must be re-surveyed. Drift remediated under foot 2038 53155 24 37951.52 9854.09 Walter Shaft Backfill Remediation per Remediation Plan 3/20/2009 Figure 2 LOB Underground NN orking Summary sheet 8 of 10 LOB Weekly Report WE 05,02.09.1).doc