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REV104135
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REV104135
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Entry Properties
Last modified
8/25/2016 1:15:15 AM
Creation date
11/22/2007 1:14:20 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Revision
Doc Date
1/5/2000
Doc Name
RESPONSE TO RECENT COMMENTS SAN LUIS PROJECT M-88-112
From
DMG
To
WESTERN MINING ACTION PROJECT
Type & Sequence
TR26
Media Type
D
Archive
No
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<br />FINANCIAL WARRANTY REQUIREMENT RE-EVALUATION <br />SAN LUIS PROJECT, M-88-1 l2 <br />January 5, 2000 <br />TASKS AND COST ESTIMATES FOR REMAINING RECLAMATION OBLIGATIONS <br />Lexcludin~ West pit water manaeement costsl <br />A) Waste rock disposal azeas -Total $121,822 <br />A.1 South waste rock disposal area - 15 acres of outslope grading @ $3,415/acre = $51,225 <br />- l5 acres of topsoil replacement @ $2,567/acre = $38,505 <br />- Reseeding costs - 50 acres @ $284/acre = $14,200 <br />-Total = $103,930 <br />A.2 Waste rock disposal azea B -Reseeding costs @ $284/acre for 18 acres = $5,1 l2 <br />A.3 Waste rock disposal area C -Reseeding costs @ $284/acre for 15 acres = $4,260 <br />A.4 Waste rock disposal azea D -Reseeding costs @$284/acre for 25 acres = $7,100 <br />A.5 East pit disposal area -Reseeding costs @$284/acre for 5 acres = $1,420 <br />B) Tailings Disposal Area - $413,827 <br />B.1 Backfi1123.1 acres @ 4 foot depth average - 149,072 cu-yds @ $.63/cu-yd = $ l 14,297 <br />B.2 Grade backfill material - $5,937 <br />B.3 Re-establish east watershed through impoundment; includes grading low flow trickle <br />channel - 4,667 cu-yds for the channel and 15,000 cu-yds for re-establishipg natural grade <br />@ $.26/cu-yd = $5,113 <br />B.4 Armor low flow trickle channel -Process 1,700 cu-yds on site @ $10/cu-yd = $17,000 <br />-Transport 1,700 cu-yds @ $1.53/cu-yd ~ $2,608 <br />- Place 1,700 cu-yds @ $4.82/cu-yd = $8,194 <br />-Total = $27,802 <br />B.5 Topsoil replacement - 59 acres @ $2,567/acre = $151,453 (includes grading topsoil) <br />B.6 Regrade diversion ditches - 9 acres @ $3,415/acre = $30,735 <br />B.7 Spillway construction- $15,575 <br />B.7.1 Excavation - 7 acres @ $540/acre = $3,780 <br />B.7.2 Concrete delivery & placement = $5,000 <br />B.7.3 Rip rap prepazation = $4,000 <br />
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