2011-09-30_PERMIT FILE - C1980007A ‎(2)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/30/2011
• Doc Name: Refuse Pile Expansion East
• Section_Exhibit Name: Exhibit 82 Refuse Pile Expansion East
• Media Type: D
• Archive: Yes

P \Mpls \06 CO \26 \06261003 RPE E Permit Mod Support \WorkFiles \Permit Apphcahon \Text \Exhibit 82 RPEE design 2011 -07 -21 TR 127 doc jj
3.3.1 Design Inputs and Assumptions .................................................... ...............................
15
4.0 RPE East Refuse Pile Permit Design ....................................................................... .............................17
4.1
Stripping ....................................................................................................... .............................17
4.2
Buttress ...................................................................................................... ...............................
17
4.3
Underdrain ................................................................................................... .............................18
4.4
Refuse Pile Drainage .................................................................................... .............................20
4.5
Compaction ................................................................................................ ...............................
20
4.6
Cover ............................................................................................................ .............................20
4.7
Haul Roads (Rule 2.05.3(3)(c) & 4.03.1) .................................................. ...............................
21
4.7.1 Haul Road Horizontal and Vertical Alignment ............................. ...............................
21
4.7.2 Slope Stability ................................................................................. .............................21
4.7.2.1 Cut Slopes ...................................................................... ...............................
22
4.7.2.2 Embankment Slopes ....................................................... ...............................
23
4.7.3 Haul Road Surfacing ..................................................................... ...............................
24
4.7.4 Other Design Considerations ........................................................ ...............................
24
4.8
Construction Inspection ............................................................................. ...............................
24
4.8.1 Buttress and Underdrain Construction Inspection ........................ ...............................
25
4.8.2 Routine Quarterly Refuse Pile Inspections ................................... ...............................
25
5.0 Wetland Delineation ................................................................................................ .............................27
6.0 Threatened and Endangered Species ....................................................................... .............................28
6.1
Methods ....................................................................................................... .............................28
6.1.1 Plants ............................................................................................... .............................29
6.1.2 Wildlife ......................................................................................... ...............................
30
6.2
Results And Discussion ............................................................................... .............................31
6.2.1 Plants ............................................................................................... .............................31
6.2.2 Wildlife ........................................................................................... .............................32
7.0 Operating Plan ....................................................................................................... ...............................
34
7.1
Operating Plan — Permit Area (2.05.3) ...................................................... ...............................
34
7.2
Drainage Plan ............................................................................................... .............................34
7.3
Monitoring Plan ......................................................................................... ...............................
35
7.3.1 Refuse Geotechnical Characteristics ............................................. ...............................
35
7.3.2 Refuse Pile Monitoring ................................................................... .............................36
7.4
Vegetative Soil (2.05.3(5)) .......................................................................... .............................36
8.0 Reclamation Plan ..................................................................................................... .............................38
8.1
Reclamation Plan Components .................................................................... .............................38
8.1.1 Vegetative Soil Redistribution ........................................................ .............................38
8.1.2 Revegetation ................................................................................. ...............................
38
8.1.3 Road Removal ............................................................................... ...............................
38
8.1.4 Surface Runoff Routing .................................................................. .............................39
P \Mpls \06 CO \26 \06261003 RPE E Permit Mod Support \WorkFiles \Permit Apphcahon \Text \Exhibit 82 RPEE design 2011 -07 -21 TR 127 doc jj