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REV99103
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REV99103
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Entry Properties
Last modified
8/25/2016 3:23:03 AM
Creation date
11/22/2007 12:23:42 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
Revision
Doc Date
3/6/2007
Doc Name
Adequacy Response Submittal
From
DRMS
To
J.E. Stover & Assocaites
Type & Sequence
PR3
Media Type
D
Archive
No
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river near former Discharge Point 001 is mapped as Industrial/Commercial on <br />Exhibit 63, but the distarbed area is not delineated and the postmine land use <br />applicable to the small disturbance is not indicated on Exhibit 6C. The disturbed <br />area and applicable postmine land use should be delineated on Exhibit 6C. The <br />justification for including the small area within the alternative postmine land use <br />area should be addressed, and the designation should be included, and be <br />consistent, on both maps. <br />Second, depiction of the modified Sedimentation Pond 8 on Exhibit 6C (Post <br />Mining Topography) could lead to confirsion, since Pond 8 has not been proposed <br />or approved as a permanent impoundment, and would need to be backfilled prior <br />to final bond release. The currently approved version of Exhibit 6C depicts the <br />final topography after backfilling of Pond 8, with the ditch represented by Section <br />E-E extended further to the south, to tie into the ditch at the toe of the RSRDA <br />refuse area. We assume this would still represent the final topography and <br />drainage configuration in the immediate vicinity of Pond 8, following pond <br />reclamation, after approval of PR-3. A practicable solution may be to provide a <br />supplemental map or diagram depicting the final topography in the immediate <br />Pond 8 vicinity following backfilling of the pond, with a notation on Exhibit 6C <br />referring to the supplement. <br />Please provide appropriate explanation, map amendments, and supplemental <br />information as appropriate, to address the above described discrepancies <br />regarding map Exhibits 6C and 63. <br />11. DRMS requested SCC to confirm that the downsized Pond 8 would be designed <br />for full containment of the 10-year, 24-hour storm event with no de-watering <br />device, to address the nature of the official CDPS outfall for the pond, and to <br />include reference in the text to maintenance of a rain guage (or gauges) in the <br />watershed, which could be used for documentation of storm event precipitation <br />amounts. <br />SCC responded adequately to the original question. The primary means of <br />dewatering the pond will be by pumping. All manual discharges must meet the <br />strictest effluent limitations for suspended solids with no eligibility for relief <br />through alternate limitations (Settleable Solids). Item Resolved. <br />2.05.4~22(bl Reclamation Plan Detailed Cost Estimate <br />12. DRMS requested confirmation that SCC understood and concurred with the <br />alternative land use bonding approach that will entail retention of the bond <br />amount associated with the Fish and Wildlife Habitat reclamation plan until such <br />time that the alternative IndustriaUCommercial reclamation plan bond release is <br />approved. SCC provided the requested confirmation. DRMS further requested <br />that the currently approved reclamation plan be "repackaged" for inclusion as an <br />appendix to the permit, to be implemented in the event that the alternative land <br />
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