2020-05-14_REVISION - C1981019 ‎(3)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 5/14/2020
• Doc Name: Adequacy Review
• From: DRMS
• To: Colowyo Coal Company LP
• Type & Sequence: MR216
• Email Name: ZTT
• Email Name: JDM
• Media Type: D
• Archive: No

BOREHOLE SEALING WORK
Task description: Plug and Seal Additional Collom In-Pit Drill Holes
Site: Colowyo Coal Mine Permit Action: MR216 Permit/Job#: C1981019
PROJECT IDENTIFICATION
Task 001 State: Colorado Abbreviation: None
Date: 5/14/2020 County: Moffat Filename: CO19-001
User: ZTT
Agency or organization name: DRMS
UNIT COSTS
Borehole Sealing/Item
Description Method Diameter Length Quantity Unit Unit Total Cost
Cost
Bottom Plug PVC plug-6 in. 5.625" 65670 53.00 EA $58.97 $3,125.21
diameter borehole
- Fill Holes Portland cement 5.625" 65670 161.00 bag $13.40 $2,157.40
with Cement grout(Bag,material
cost only...94 lb. bag)
- Borehole Borehole NA NA 53.00 EA $32.00 $1,696.00
Marker location/identification
marker(EA,material
cost only)
-Drill Rig Truck Mounted-3.0 NA NA 682.00 EA $93.76 $63,944.32
Time in. - 1,700 ft. capy.
-Water Water Tanker, 2,500 NA NA 682.00 EA $27.02 $18,427.64
Truck Time Gal.
Job Hours: 682.00 Total Cost: S89,351.00