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New Elk Mine C1981012 MT6 updates 5 January 18, 2013 <br />petroleum contaminated soils during SL2. The Division agrees with a reduction in the volume <br />assumption of contaminated soils. <br />The Division concurs that the rail unloading substation and associated transformer was approved <br />for bond release in SL2. Costs associated with this structure have been removed from Task 095. <br />The Division concurs that the loadout belt building was released with SL2. This cost has been <br />removed from Task 095. <br />The Division concurs that there is no fencing required on the RDA. This item has been removed. <br />Permit page 2.05 -47b commits to fencing the DWP, DWDA #2, and the DWDA #3. Costs will be <br />retained for fencing as stated on page 2.05 -47b. <br />Costs to remove non -PCB transformers have been updated to updated 2012 CIRCES costs. <br />The Division recalculated demolition of the 2 coal silos using explosive demolition costs. <br />Page 2.05 -27 of the PAP includes approval for 2 150 ft long radial stackers and a 500 ft. long <br />portable conveyor at the RDA. Even if these structures are not currently constructed on the <br />ground, since they are approved in the permit, they must be included in the estimate. These items <br />have been added to Task 095. <br />The Division concurs that a drill rig would not be required for sealing of alluvial and shallow <br />boreholes. <br />#21: The Division re- evaluated seeding costs for riparian areas, and adjusted Task 086 as appropriate. <br />#22: NECC questions the costs included for sealing piezometers on the RDA. Costs for sealing the <br />permanent piezometers on the face of the RDA have been removed from Task 104. <br />#23: NECC noted that culverts associated with permanent roads would not be removed. The Division <br />updated the estimate to reflect permanent roads and culverts. <br />#24: Task 001 includes general East Portal facilities and support area grading while Task 101 is specific to <br />backfill of the Allen portal face. Task 101 is retained. <br />#25: Task 112 has been updated to reflect the correct cost for CDOT permits in accordance with CDOT's <br />website: www.coloradodot.info <br />#26: NECC noted that Task 132 was not reflected in the cost summary sheet. Borehole sealing tasks <br />previously identified in Task 132 have been incorporated into Task 104. Task 132 has been eliminated. <br />#27: Tasks previously found in Task 136 have been incorporated into Task 095. Duplications have been <br />eliminated. Task 136 has been eliminated. <br />#28: The Division concurs that this task is no longer needed. The DWDA #2 was constructed over the <br />expansion area, so ripping would not be necessary. Task 140 has been eliminated. <br />