2021-03-02_REVISION - M1977144

• Permit No: M1977144
• IBM Index Class Name: REVISION
• Doc Date: 3/2/2021
• Doc Name: Request for Technical Revision
• From: Colorado Quarries, Inc.
• To: DRMS
• Type & Sequence: TR1
• Email Name: TC1
• Email Name: MAC
• Email Name: AWA
• Media Type: D
• Archive: No

Mica Lode, Permit M-1977-144,Technical Revision
Exhibit L-Reclamation Costs
The figures below are taken from the individual task details described in Exhibit E.
Reclamation Costs and Estimated Financial Warranty Amount
Affected Area
Reclamation Tasks: Quantities x Unit Costs Task Cost
Ruby Pit
Slope grading: D8 dozer or equivalent on 4.0 acres of slopes, 16 hours @ $100.00/hr. 1600.
Pit floor grading(if pit is not a pond): D8 or equiv.on 1.0 ac.floor, 3 hrs @ $100.00/hr. 300.
Seedbed prep: spread growth medium & rip, D8 or equiv., 6 hrs @ $100.00/hr. 600.
Placement of oversize material in pit: Cat 830 loader or equiv., 150 CY @ $2.50/CY. 375.
Seeding(all areas): 5.0 acres @ $1,000/ac. (+ 30%for reseeding) 6500.
IMC-2 Quarry
Slope reduction: blasting and grading with D8 or equiv.,4,000 CY @ $1.00/CY. 4000.
Slope finish grading:4 hrs @ $100.00/hr. 400.
Pit floor grading: 2 hrs @ $100.00/hr. 200.
Seedbed prep: spread medium and rip, D8 or equiv.w/ripper, 3 hrs @ $100.00/hr. 300.
Seeding(all areas): 2.5 acres @ $1,000/ac. (+ 30%for reseeding) 3250.
IMC-3 Quarry
Haul backfill material: Cat 830 loader, 12-yd dump truck, 6 hrs @ $150/hr. 900.
Spread material: D8 or equiv., 2 hrs @ $100.00/hr. 200.
Finish grading and seedbed prep: D8 or equiv.w/ripper,4 hrs @ $100.00/hr. 400.
Seeding: 1.0 ac @ $1,000/ac. (+30%for reseeding) 1300.
MQD-1 Dump (West Dump)
Slope reduction: D8 or equiv., 3,500 CY @ $1.00/CY. 3500.
Haul growth medium: Cat 830 loader, 12-CY dump truck, 1,000 CY @ $1.50/CY. 1500.
Spread growth medium: D8 or equiv., 6 hrs @ $100.00/hr. 600.
Finish grading: D8 or equiv., 8 hrs @$100.00/hr. 800.
Seedbed prep: D8 w/ripper, 6 hrs @ $100.00/hr. 600.
Seeding: 6.0 ac @ $1,000/ac. (+30%for reseeding) 7800.
MQHW-1 (West Highwall)
Slope reduction by drilling and blasting: 2,000 CY @ $2.00/CY. 4000.
Pushing and rough grading shot rock: 1,000 CY @ $1.00/CY. 1000.
Placing and spreading waste rock and fines on benches: 1,000 CY @ $1.00/CY 1000.
Seeding benches and unmined margins: 2.1 ac @ $1,000/ac. (+30%for reseeding) 2730.
MQEW-1 (East Highwall)
Slope reduction by drilling and blasting: 1,700 CY @ $2.00/CY. 3400.
Pushing and rough grading shot rock: 1,000 CY @ $1.00/CY. 1000.
Placing and spreading waste rock and fines on benches: 1,000 CY @ $1.00/CY 1000.
Seeding benches, slope, and margins: 1.6 ac @ $1,000/ac. (+30%for reseeding) 2080.