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2001-11-13_REVISION - M1988112
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2001-11-13_REVISION - M1988112
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Last modified
6/15/2021 2:43:02 PM
Creation date
11/21/2007 9:20:35 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Revision
Doc Date
11/13/2001
Doc Name
TASKS & COST ESTIMATES FOR REMAINING RECLAMATION OBLIGATIONS WEST PIT WATER MANAGEMENT PROGRAM
Type & Sequence
AM1
Media Type
D
Archive
No
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E.2 Motorgrader - 8 hours x 6 times/year x 5 years x $70/Iv = $16,800 <br />F) Seeding costs -189.5 acres @ $274/acre = $51,923 <br />G) West Pit Reclamation - $96,278 <br />G.1 Grade backfill area - 7 acres @ $257/acre = $1,799 <br />G.2 Topsoil replacement and grading - 7 acres @ $2,567/acre = $17,969 <br />G.3 Demolition and removal of evaporation system - $0 <br />G.4 Demolition and removal of nano-filtration facility - $76,510 <br />H) Monitoring well abandonment - $19,810 <br />H.l 39 alluvial wells (includes tailings impoundment wells) <br />H.2 5 Santa Fe formation wells <br />H.3 2 Pre-Cambrian bedrock wells <br />H.4 8 West pit backfill wells (includes 1 East pit well) <br />H.5 l5 piezometers <br />H.6 6 lysimeters <br />H.7 Total 80 wells - $19,810 <br />H.7.1 - 26 cu-yds concrete times $85/cu-yd = $2,210 <br />H.7.2 -Labor - 4 hours/well @ $25/hour for 80 wells = $8,000 <br />H.7.3 -Small excavator - 2 hours/well @ $55/hour for 80 wells = $8,800 <br />H.7.4 -Removal of gauge stations - 2 hours/station @ $50/hour for 8 stations = $800 <br />I) Equipment Mobilization/Demobilization - $6,000 <br />J} Current Approved Monitoring Requirements - $170,000 <br />J.l Monitor quarterly for 5 more years - 20 x ]0 wells x $500/sample = $100,000 <br />J.2 Monitor quarterly for 5 [Wore years - 20 x 4 surface stations x $SOOlsample = $40,000 <br />].3 Monitor monthly for 5 more years - 60 x 1 surface station x $500/sample = 530,000 <br />K) Miscellaneous Costs - $2,000 <br />
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