HomeMy WebLinkAboutNC0005363_Table 6-9_20160201TABLE 6-9
REMEDIAL ALTERNATIVE COST SUMMARY - PHYTOREMEDIATION
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, LLC, LUMBERTON, NC
Phytoremediation - 55 Acre Phytoplot
Item
Quantity
Unit
Unit Cost
Total Cost
Source
Basis for Cost
Direct Capital Costs
Preliminary Site Evaluation
1
LS
$35,000
$35,000
ELM Quote
Ash excavated and removed (Cost not included)
Planting Plan Preparation
1
LS
$12,000
$12,000
ELM Quote
Engineering Design Plans and Specifications
1
LS
$87,000.00
$87,000
ELM Quote
Bid Documents and Bidding
1
LS
$12,000.00
$12,000
ELM Quote
Construction
55
AC
$18,000.00
$990,000
ELM Quote
Includes site preparation, planting stock, hydroseeding,
tree installation, soil ammendments, etc.
Installation Oversight (Geologist)
28
Day
$2,000.00
$56,000
Similar project
Indirect Capital Costs
Health & Safety
5%
% DCC
$57,850.00
Similar project
Bonds & Insurance
5%
% DCC
$57,850.00
Similar project
Contingency
10%
% DCC
$115,700
ELM Quote
Operation and Maintenance
Operation and Maintenance Costs
55
AC
$2,000.00
$110,000
ELM Quote
Tree thinning, weeding, replanting, leaf collection, pesticide
application, mowing
Present Worth
$1,845,800
Similar project
n=30 yrs, i=4.25%, PWF=16.78
Remedy Review
1 6
EA
1 $100,000
$600,000
Similar project
Completed every five years
Present Worth
$308,000
Similar project
n=5, 10, 15, 20, 25, 30, i=4.25%, PWF=3.08
Total Direct Capital Costs
$1,192,000
Total Indirect Capital Costs
$231,400
Total 30 Year O&M Costs (Present Worth)
$2,153,800
Effectiveness Monitoring 30 Years (Table 6-7)
$3,148,600
TOTAL COST
$6,725,80011
Prepared by: TCP Checked by: RLP
Notes:
LS = Lump Sum, AC = Acre, O&M = Operation and Maintenance, DCC = Direct Captial Cost, PWF = Present Worth Factor , n = Time, I = Interest rate (Provided by Duke Progress, LLC)
Present Worth was calcualted using the Uniform Series Present Worth Factor at: http://www.ajdesigner.com/phpdiscountfactors/uniform_series_present_worth_equation.php
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