Ill. Admin. Code tit. 35, § 807.624 - Interim Formula for Cost Estimate
a) An operator may temporarily utilize the
formula of this Section for preparing a cost estimate instead of preparing a
cost estimate based on closure and post-closure care plans. No permit
application filed after March 1, 1985 may utilize this formula. Each operator
must file an application to modify the site permit to include closure and
post-closure care plans and cost estimates by March 1, 1988.
b) References to closure and post-closure
care plans in financial assurance instruments shall be construed to refer to
the closure and post-closure care requirements of this Part and the permit for
the site .
c) This formula may not
be utilized in lieu of the plans and cost estimates required under 35 Ill. Reg.
Adm. Code 724 and 725.
d) The
following abbreviations and symbols are used in the formula:
1) AWR: Annual waste received at the site in
cubic yards.
2) AD: Average depth
of the landfill in feet.
3) Y:
Years expected to lapse between cessation of application of cover by the
operator and implementation of site clean-up by the Agency. Y is assumed to be
three years.
4) CPA: Cost per acre
of placing final cover, grading, seeding and venting. CPA is assumed to be
$5000/acre.
5) A: Area requiring
final cover in acres.
6) P:
Fraction of final cover expected to require subsidence or erosion control each
year. P is assumed to be 0.05.
7)
M: Number of monitoring wells existing or required in the permit. M cannot be
less than three.
8) CE: Cost
estimate in dollars.
e)
Area requiring final cover
1) A(1) is the
total area which has received waste but which has not received final cover in
accordance with Section
807.305(c)
as of January 1, 1985.
2) A(2) is
the total area which would require final cover after Y years of uncontrolled
operation according to the following formula:
A(2) |
= |
(Y)(A WR) |
= |
3 AWR |
3200 (AD) |
3200 AD |
3)
A(3) = A(1) + A(2)
4) A(4) is the
total permitted area which has not received final cover in accordance with
Section
807.305(c)
as of January 1, 1985
5) Area
requiring final cover (A) is the smaller of A(3) or A(4)
f) Cost estimate (dollars)
CE = (CPA)(A) + 3((CPA)(P)(A) + 600(M))
= 5750A + 1800M
Notes
Amended at 9 Ill. Reg. 18942, effective November 25 1985
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