NC0003433_Table 6-9 Remedial Alternative Opinion of Probable Costs MNA_20160229

TABLE 6-9
REMEDIAL ALTERNATIVE OPINION OF PROBABLE COSTS
CAPE FEAR STEAM ELECTRIC PLANT
DUKE ENERGY PROGRESS, LLC, MONCURE, NC
Monitored Natural Attenuation
Item Quantity Unit Unit Cost Total Cost Source Basis for Cost
Direct Capital Costs
Pre -design Field Assessment
1
LS
$50,000
$50,000
Similar project
Ash Basin closure in place (Cost not included)
Mobilization / Demobilization
8
LS
$5,000
$40,000
Similar project
10 day work week
Upgrade Roads/ Accessibility
10
LS
$30,000
$300,000
Similar project
Equipment Decontamination
10
EA
$570
$5,700
Similar project
Drilling and Materials (Single Casing)
322
LF
$84
$27,100
Similar project
Installation of 18 additional/replacement wells for MNA
Drilling and Materials (Double Casing)
352
LF
$125
$44,000
Similar project
Well Development
160
HR
$120
$19,200
Similar project
8 hours development per well
Installation Oversight (Geologist)
80
Day
$2,000
$160,000
Similar project
Average 4 days per well
Indirect Capital Costs
Health & Safety
5%
% DCC
$29,800
Similar project
Bonds & Insurance
5%
% DCC
$29,800
Similar project
Contingency
20%
% DCC
$119,200
Similar project
Construction Management & Engineering Services
15%
% DCC
$89,400
Similar project
Groundwater Sampling and Reporting - Years 1 - 5
Semi-annual Well Sampling - Labor and Supplies
2
6 Mo
$44,000
$88,000
Similar project
2 people, 8 days, 7 nights, equipment (33 well locations and 9 surface
water locations, at apprx. 5 locations per day)
Semi-annual Well Sampling - Laboratory Analysis
2
6 Mo
$19,000
$38,000
Similar project
47 samples (including QA/QC samples)
Validation and Report Preparation
2
6 Mo
$20,000
$40,000
Similar project
Semi-annual report preparation
Present Worth $733,800
Similar project
n=5 yrs, i=4.25%, PWF=4.42
Groundwater Sampling and Reporting - Years 6 - 30
Annual Well Sampling - Labor and Supplies
1
YR
$66,000
$66,000
Similar project
2 people, 8 days, 7 nights, equipment (33 well locations and 9 surface
water locations, at apprx. 5 locations per day)
Annual Well Sampling - Laboratory Analysis
1
YR
$25,900
$25,900
Similar project
47 samples (including QA/QC samples)
Validation and Report Preparation
1
YR
$12,000
$12,000
Similar project
Annual report preparation
Present Worth $1,581,400
Similar project
n=6-30, i=4.25%, PWF=15.22
Remedy Review 6 EA $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 $646,000
Total Indirect Capital Costs $268,200
Total 30 Year O&M Costs (Present Worth) $2,623,200
TOTAL COST $3,537,400
Prepared by: RKD Checked by:CJS
Notes:
LS = Lump Sum, EA = Each, LF = Linear Foot, HR = Hour, Mo = Month, YR = Year, O&M = Operation and Maintenance, DCC = Direct Capital Cost, PWF = Present Worth Factor , n = Time, I = Interest rate (Provided by Duke Energy 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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