Reclamation Calculation

E. DETERMINATION OF AFFECTED ACREAGE AND BOND 10-82 - Northwest Mine
The following bond calculation worksheet is to be used to establish an appropriate bond (based upon a range of $500 to $5, 000 per affected acre)
for each permitted mine site based upon the acreage approved by the Department to be affected during the life of the mining permit. Please insert
the approximate acreage, for each affect the mining aeration, that intend to a ect during the lie -fthis mining ep rmit in addition. Ip ease
insert the appropriate reclamation cost/acres each category from the Schedule Reclamation Costs provided with this lication form) OR you
can defer to the Department to calculate your bond for you based upon your maps and standard reclamation costs:
AFFECTED
CATEGORY
ACREAGE
RECLAMATION COST/ACRE
RECLAMATION COST
Tailings/Sediment Ponds
X
$
500 /Ac. _
$
-
Stockpiles
16.60 Ac.
X
$
1,800 /Ac. _
$
29,880.00
Wastepiles
X
$
2,000 /Ac. _
$
-
Processing Area/Haul Roads
5.50 Ac.
X
$
1,800 /Ac. _
$
9,900.00
Mine Excavation
132.90 Ac.
X
$
500 /Ac. _
$
66,450.00
Other (berm)
22.70 Ac.
X
$
2,000 /Ac. _
$
45,400.00
TOTAL AFFECTED AC.:
177.70 Ac.
TOTAL PERMITTED AC.:
322.40 Ac.
Temporary & Permanent Sedimentation & Erosion Control Measures:
Divide the TOTAL AFFECTED AC. above into the following two categories: a) affected acres that drain into proposed/existing
excavation and/or b) affected acres that will be graded for positive drainage where measures will be needed to prevent offsite
sedimentation and sedimentation to onsite watercourses and wetlands.
a) Internal Drainage 149.50 Ac.
b) Positive Drainage 28.20 Ac. X $ 1,500.00 = $ 42,300.00
SUBTOTAL COST: $ 193,930.00
Inflation Factor
0.02 X SUBTOTAL COST: $ 3,878.60 X Permit Life Provided by Applicant (Life of the Mining Operation or
Life of Lease from Public Entity (in Years)): 10
INFLATION COST: $ 38,786.00
SUBTOTAL COST + INFLATION COST: $ 232,716.00
Total Reclamation Bond Cost: $ 232,700.00
(round down to the nearest $100.00)
(NOTE: The reclamation bond cannot exceed $1 million per GS 74-54)
$ 62,700.00 Letter of Credit on File
$ 170,000.00 Balance Required
$ 232,700.00 Total Reclamation Bond Cost: