2014-04-22_PERMIT FILE - C1980004A ‎(2)‎

• Permit No: C1980004A
• IBM Index Class Name: Permit File
• Doc Date: 4/22/2014
• Section_Exhibit Name: Tables 2.1-1 to 4.1-5
• Media Type: D
• Archive: Yes

DIVISION OF RECLAMATION, MINING AND SAFETY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
December 31, 2013
McClave Canyon Mine, Permit C- 1980 -004
Midterm Review 07
ZTT
Table 3.7 -1 Page 23
STATE OF COLORADO
COLORADO
DIVISION OF
RECLAMATION
MINING
SAFETY
John W. Hickenlooper
Governor
Mike King
Executive Director
Loretta E. Pineda
Director
Task 015 — Stream Channel Erosion Protection $57,467.26
Riprap protection for channels R -2, R -5, R -6 and R -8 requires 650 cu. Yrd. Of riprap. Machine Placed Riprap for Slope
Protection (from RS Means Building Construction Cost Data, 2013 Edition, Section 3137 13.10 0200) has a cost of
$75.75 /cubic yard.
(650 cu. yd.) x ($75.75/cu. yd.) = $49,237.50
Erosion blanket protection for channels R -1, R -3, R -4, R -7 and R -12 requires 1912 sq. yd. of blanket. The cost of the
blanket including installation is $1.73 /sq. yd. (from RS Means Construction Cost Data, 2013 Edition; Section 3125 14.16
0020).
(1,912 sq. yd.) x ($1.73 /sq. yd.) = $3,307.76
Total Erosion Control = ($49,237.50) + ($3,307.76) = $52,545.26
Using 1 Cat 324D L Excavator for 40 hours (1 week).
Cost for Cat 324D L Excavator: ($123.05/hr) x (40 hrs) = $4,922.00
Stream Channel Erosion Protection — Total Cost
($52,545.26) + ($4,922.00) = $57,467.26
Office of — Office of
Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines