PERMFILE69052

• Permit No: C1992080A
• IBM Index Class Name: Permit File
• Doc Date: 9/7/2006
• Doc Name: Reclamation Cost Estimate
• Section_Exhibit Name: Appendix 5-7 Bonding Calculations
• Media Type: D
• Archive: Yes

Carbon Junction Mine oero: vsrzo06
Proparea by: TK
Task 024
Puchase filter rock and rock riprap for Carbon Junction channel
Fi/ter rock:
Purchase price per ton for 314" D50 in
$7.00 Durango area, before hauling and volume
discount (from
http://candjgravel.com/productpage. htm)
X 1.5 Tons per cyd (conversion factor)
$10.50 Subtotal
+ $7.46 Delivery cost per cyd (8.7 cyds per 10-ton
truck, assume $50 per truck-loadl
$17.96 Subtotal
- $4.49 25% volume discount (assumed)
$13.47 Subtotal
X 584 No. of cyds needed for Carbon Junction
Channel (page 5-10 of reclamation plan
$7,866 Total cost for fitter rock
Rock riprap:
Purchase price per ton for large riprap in
$11.00 Durango area, before hauling and volume
discount (from
http://candjgravel.com/productpage. htm)
X 1.5 Tons per cyd (conversion factor)
$16.50 Subtotal
+ $6.25 Delivery cost per cyd (6.7 cyds per 10-ton
truck, assume $50 per truck-load)
$22.75 Subtotal
- $5.69 25% volume discount (assumed)
$17.06 Subtotal
X 4,221 No. of cyds needed for Carbon Junction
Channel (page 5-10 of reclamation plan)
$72,016 Total cost for rock riprap
$79,882 GRAND TOTAL COST (ROCK FILTER + ROCK RIPRAP)