2510-FM-BWM0057m
4/2009
COMMONWEALTH OF PENNSYLVANIA
DEPARTMENT OF ENVIRONMENTAL PROTECTION
BUREAU OF WASTE MANAGEMENT
BONDING WORKSHEETS FOR HAZARDOUS WASTE
DISPOSAL AND POST-CLOSURE CARE FACILITIES
BONDING WORKSHEET M
FACILITY MAINTENANCE
1. Size of disposal area(s)
acres
2. Size of leachate ponds
acres
3. Size of sedimentation ponds
acres
4. Length of stormwater conveyance ditches
LF
5. Number of years of site maintenance (time to close + 30)
years
6. Annual cost to repair cap/final cover1
a. Acres (1% of line 1)
acres
b. Unit cost to repair final cover2
/acre
c. Unit cost to repair cap2
/acre
d. Unit cost to repair vegetation2
$
/acre
e. Total unit cost (line 6b + line 6c + line 6d)
$
YR
7. Annual cost to repair/maintain E&S structures1
a. Channel repair length (3% of line 4)
LF
b. Sedimentation pond repair (20% of line 3)
acres
c. Unit cost to repair channels2
$
/LF
d. Unit cost to repair ponds2
$
/acre
e. Total annual cost (line 7a x line 7c) + line 7b x line 7d)
$
/YR
8. Annual cost to repair/maintain leachate ponds1
a. Leachate pond repair (20% of line 2)
acres
b. Unit cost to repair leachate pond(s)2
$
/acre
c. Total annual cost (line 8a x line 8b)
$
/YR
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9.
4/2009
Cost to repair/maintain leachate tanks, sumps, treatment equipment 1
a. Number of storage/treatment tanks, sumps, chemical feed
units, pumps. List out each unit:
b. Annual cost to inspect, maintain and repair each unit2
$
c. Costs for additional structural or other inspections required
by permit (For example, 5 or 10 years structural inspections
of storage tanks)2
$
10. Annual cost to repair fences/gates2
$
/YR
LS
11. Annual cost to maintain site roads1
a. Length of site roads
LF
b. Length of site roads to be repaired annually (2% of line 11a)
LF
c. Unit cost to repair roads2
$
LF
d. Annual cost to repair roads (line 11b x line 11c)
$
YR
12. Cost Summary
a. Cost to repair cap/cover (line 5 x line 6a x line 6e)
$
b. Cost to maintain E&S structures (line 5 x line 7e)
$
c. Cost to maintain/repair leachate ponds (line 5 x line 8c)
$
d. Cost to maintain/repair leachate equipment
$
([line 5 x line 9b] + line 9c)
e. Cost to repair fences/gates (line 5 x line 10)
$
f. Cost to maintain site roads (line 5 x line 11d)
$
Subtotal
$
1.
After site is stabilized, the Department may allow a reduction in these requirements.
2
The estimate should reflect the unit costs to bring in a third party contractor to complete the work and should include
mobilization, equipment costs, material costs and clean up and inspection costs. Labor costs should conform to US Department
of Labor, Bureau of Labor Statistics most recent rates.
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4/2009
Adjustments for maintenance, equipment replacement and contingencies. These are
cumulative and you must add all of the percentages that apply to arrive at the final
adjustment percentage. The minimum adjustment is 10%.
a. Add 5% of subtotal if final slopes are greater that 15% or benches are spaced at greater
than 25 in elevation rise from each other.
b. Add 5% of subtotal if more than 30% of the stormwater channels are unlined.
c. Add 5% of subtotal if length of access roads exceeds 5 miles
d. Add 10% for mowing
Final adjustment factor:
%
e. Adjustment (subtotal x factor)
$
Total (subtotal + adjustment)
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$