2017-03-15_PERMIT FILE - C1981035A ‎(2)‎

• Permit No: C1981035A
• IBM Index Class Name: Permit File
• Doc Date: 3/15/2017
• Section_Exhibit Name: KII Appendix 12 Reclamation Bond Estimate
• Media Type: D
• Archive: Yes

King Mines C1981035 Midterm Review No. 7 Page 48 of 123
Postmining Channel Construction Task No. 024
11 -Feb -
Date : 15 Permit C1981035 Site: King Coal Mines
User: SLB State : Colorado County: La Plata
Agency Name: Colorado Division of Reclamation, Mining and Safety
Permit
Action: Permit Renewal 6 Task Description: Construct Post -Mining Drainage Channels
W
Slope Surf
Channel
L
D W (bot)
Slopes
(Top)
V/LF
V tot
Riprap
L Area
Riprap V
(ft)
(ft) (ft)
(X:1)
(ft)
(CY)
(CY)
(ft) (sf)
CY
A
100
1.500 1.0
2.0
7.0
0.2222
22
2.50 600
0
B
330
1.500 2.0
2.0
8.0
0.2778
92
4.27 3,480
0
C
350
1.000 2.0
2.0
6.0
0.1481
52
4.12 3,586
0
D
770
1.000 1.0
2.0
5.0
0.1111
86
2.24 4,214
0
E
190
1.750 1.0
2.0
8.0
0.2917
55
2.66 1,200
38
F
35
1.750 1.0
2.0
8.0
0.2917
10
2.66 221
7
Totals
1,775
317
13,300
45
Riprap
Materials Needed:
Geotextile (SY):
330
(CY):
45.0000
45
Excavation (CY):
317
Material
Costs:
Geotextile (SY):
$ 2.22
Riprap (CY):
$53.25
Excavation (CY):
$ 3.57
Means Reference
33 46 26.10 0110
3137 13.10 0100
3123 16.42 0310
Totals:
Geotextile (SY):
$ 732.60
Riprap (CY):
$2,381.97
Excavation (CY):
$ 1,131.41
Hours:
Geotextile (SY):
3.77
Riprap (CY):
5.77
Excavation (CY):
9.39
7.75
33.75
87.5 SY/HR
CY/HR
CY/HR
Total Post -Mining Channel Reconstruction hours:
18.93
Total Post -Mining Channel Reconstruction Cost:
$ 4,245.98