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2010-04-26_PERMIT FILE - C1980007A (3)
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2010-04-26_PERMIT FILE - C1980007A (3)
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Entry Properties
Last modified
8/24/2016 4:08:44 PM
Creation date
6/28/2010 2:18:43 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007A
IBM Index Class Name
Permit File
Doc Date
4/26/2010
Doc Name
Refuse Pile Expansion East
Section_Exhibit Name
Exhibit 82 Refuse Pile Expansion East
Media Type
D
Archive
Yes
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8.1.4 Surface Runoff Routing <br />The sediment ditches and some clear water ditches will remain in place upon completion of <br />reclamation to direct surface runoff. The sediment ditch downslope from the buttress will be <br />removed after final reclamation and all surface runoff from the reclaimed RPE East and surrounding <br />tributary area will be directed to pre - development drainage patterns. After removal of the haul roads, <br />the majority of the clear water drainage areas will be restored to previous drainage patterns, with the <br />exception of drainage towards the refuse pile area which will be diverted around the pile via the clear <br />water ditches remaining in place contiguous to the pile. The existing road to the east of the pile <br />diverts clear water away from the refuse pile and will also remain in place. <br />After final reclamation is complete, a technical revision will be submitted to demonstrate routing of <br />surface runoff from the RPE East to a sediment control pond is no longer needed to comply with <br />water quality regulations. Sediment ditches will be left in place at the east and west limits of the <br />RPE East to safely convey water from the surface of the refuse pile to a point in the vicinity of the <br />toe of the rock buttress, where the sediment and clear water ditches will be reconfigured after <br />reclamation to merge into one channel to the bottom of No Name Gulch and the culvert under <br />Highway 133. The clear water diversion culvert under the northernmost haul road will also be <br />removed at this time <br />Revised March 19, 2010' t _ - zfi� O <br />Revised April 9, 2010 e (-" <br />Revised April 19, 2010 Z� <br />P:\Mpls \06 CO \26 \06261003 MCC Refuse Pile Site Review & Permit \WorkFiles\Permit Applic tition \Text\2010- 04- 19_RPE East Permit Application.doc <br />
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