MIL-HDBK-1004/10
Years
Alternative 1
Project
Discounted
cost
Discount
Amount
Year(s)
Element
Factor
cost
One-Time
Recurring
$ 998,000
1.000
8,000
Installation
0
40,001
9.524
,200
Maintenance
1-25
607
0.405
1,500
Repair/rectifier
10
234
0.156
1,500
Repair/rectifier
20
1,248
0.156
8,000
Replace/anodes
20
Total Net Present Value Cost:
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,040,090
Cost - Alternative 2--Galvanic Anode System. Cost of steel line
13.6.4.2
with galvanic anode system - 6,000. Annual cost of galvanic anode system
maintenance - ,800. Major rehabilitation of cathodic protection system
every 15 years - ,000.
Years
248
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