2003-02-04_REVISION - M1998013

• Permit No: M1998013
• IBM Index Class Name: Revision
• Doc Date: 2/4/2003
• Doc Name: Revised Reclamation Cost Estimate and Stability Analysis
• From: TETRA TECH
• To: DMG
• Type & Sequence: AM1
• Media Type: D
• Archive: No

RECEIVED
FEB 0 4 2003
The Shores Resource -Amendment No. 1
Table for Reclamation Cost Estimate
Division of Minerals and Gealagy
Activity Quantity Units Unit Costs Cost
A. Phase 8 - 95% mined -approximately 60 acres of
disturbance. Fill sideslopes of pond with overburden
material and shape, seed and mulch shoreline -
approximately 72851E perimeter distance at limit of
mining - 7035 If at reclamation
1 Replace fill material using overburden and shape pond
side slopes at 3:] 236,249 CY $ 0.75 $ 177,187.00
2 Replace overburden and shape the shoreline @ 4:1 13,028 CY $ 0.75 $ 9,771.00
3 Replace 12" of topsoil on the shoreline @ 4:1 5,373 CY $ 0.75 $ 4,029.00
4 Seed and mulch shoreline 3.33 Acres $ 800.00 $ 2,664.00
_ ~"'" ~_k`_ w > Subtotal: _$= 193,651.00'
B. Dewatering trench would be excavated to nearly the
pond bottom elevation and fill with water ----- ----- ----- -----
-. _ ~ < : '°- ` ~. _. == .. Subtotal
C. Phase 7 -Would be 100% reclaimed _____ _____ _____ _____
'. `_ :.. ' " = _ ` ~
~ , ` . _ -.,:Subtotal '> -`-r-- '
M
D. Processing area. Processing equipment is portable and
would be removed by the operator
1 Move serge piles into settling pond 1,000 CY $ 0.75 $ 750.00
2 Remove concrete pad for wash plant 15 CY $ 65.00 $ 975.00
3 Remove concrete pad for asphalt plant 60 CY $ 65.00 $ 3,900.00
4 Remove concrete pad for concrete plant 37 CY $ 65.00 $ 2,405.00
5 Demolish and remove shop 1 LS $ 2,000.00 $ 2,000.00
6 Remove concrete footings for office 8 CY $ 65.00 $ 520.00
7 Remove concrete base for scale 10 CY $ 65.00 $ 650.00
8 Scarify ground 25 Acres $ 150.00 $ 3,750.00
9 Spread 12" topsoil 8,067 CY $ 0.75 $ 6,050.00
10 Seed and Mulch 25 Acres $ 800.00 $ 20,000.00
---
_-. <. Subtotal $ 41,000:00
E. Settling Ponds
1 Place 12" overburden on 0.25 acre 403 CY $ 0.75 $ 303.00
2 Place 12" topsoil on 0.25 acre 403 CY $ 0.75 $ 303.00
3 Seed and Mulch 0.25 Acres $ 800.00 $ 200.00
Subtotal $ 806.00"
F Slurry Wall @ 20% Installation Cost per DMC
Bonding Requirment. Assuming a total of 19,932 if of
wall, avg depth of 26.5' + 3' into bedrock
1 Excavation, Materials and Labor and Dewatering 117,599 Face Ft $ 3.00 $ 352,796.00
Subtotal $ 352,796.00
Total Disturbance Costs $ 588,253.00
Contractor Mobilization (8%) $ 47,060.24
Overhead (18.5%) $ 108,826.8]
Administration {5% $ 29,412.65
Total $ 773,552.70
* Assumes 19932 linear feet, average depth 26.5' (+ 3' into bedrock) @ 20%
Per Mining Plan Revisions
HALL-IRWIN CORPORATION -THE SHORES AMENDMENT 1 (#M-1998-013)
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