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<br />TABLE 6-1C
<br />COST EFFECTIVENESS ANALYSIS
<br />STEP SYSTEM
<br />SitN System
<br />ItemQuantify Cost
<br />7
<br />Performance Bond Premiums
<br />0&M:
<br />$118.64/Unit/Year for 20 Years(1)
<br />Present Worth = $1,112.58 x 422
<br />Power:
<br />$14.40/Unit/Year for 20 Years(1)
<br />Present Worth = $135.14 x 422
<br />Septic Tank Drainage:
<br />$50/3 Years for 20 Years(1)
<br />Present Worth = $156/Septic
<br />Tank x 422
<br />P/A, 8-5/8%, 20 Years = 9.3778
<br />(2) P/F, 8-5/8%, 15 Years = 0.2891
<br />(3) P/F, 8-5/8%, 20 Years = 0.1912
<br />0.1912 x 10 Years = 0.1275
<br />Years
<br />TOTAL
<br />$ 801,800
<br />231,800
<br />(102,230)
<br />422,000
<br />91,975
<br />316,500
<br />105,500
<br />3,000
<br />37,980
<br />21,100
<br />$1,929,426
<br />64,800
<br />$ 192,943
<br />469,509
<br />57,029
<br />$2,779,538
<br />STEP System:
<br />STEP - Pumps Original
<br />9
<br />422
<br />STEP Pumps - 15 -Year (2)
<br />Replacement
<br />422
<br />Less: Salvage Value of STEP(3)
<br />Pump Replacements
<br />422
<br />Rehabilitative Existing
<br />'
<br />Septic Tanks
<br />422
<br />PVC Force Main
<br />(211, 2-1/211, 3")
<br />18,395 l.f.
<br />Cleanouts and
<br />Air -release Valves
<br />422
<br />Service Connections
<br />422
<br />Wet Tap Connections to Existing
<br />'
<br />Force Mains
<br />12
<br />Electrical Cable
<br />12,660 l.f.
<br />'
<br />Electric Outlet
<br />422
<br />Subtotal.
<br />Pavement Repair
<br />5,184 sq. yd.
<br />Miscellaneous:
<br />'
<br />Special Foundations,
<br />7
<br />Performance Bond Premiums
<br />0&M:
<br />$118.64/Unit/Year for 20 Years(1)
<br />Present Worth = $1,112.58 x 422
<br />Power:
<br />$14.40/Unit/Year for 20 Years(1)
<br />Present Worth = $135.14 x 422
<br />Septic Tank Drainage:
<br />$50/3 Years for 20 Years(1)
<br />Present Worth = $156/Septic
<br />Tank x 422
<br />P/A, 8-5/8%, 20 Years = 9.3778
<br />(2) P/F, 8-5/8%, 15 Years = 0.2891
<br />(3) P/F, 8-5/8%, 20 Years = 0.1912
<br />0.1912 x 10 Years = 0.1275
<br />Years
<br />TOTAL
<br />$ 801,800
<br />231,800
<br />(102,230)
<br />422,000
<br />91,975
<br />316,500
<br />105,500
<br />3,000
<br />37,980
<br />21,100
<br />$1,929,426
<br />64,800
<br />$ 192,943
<br />469,509
<br />57,029
<br />$2,779,538
<br />
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