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Fort Walton Beach Council agenda — 04-29-03 workshop agenda — reading text
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1, 100, 000
25, 000
Additional Denitrification Filter Capacity 650, 000 162, 500 812, 500
3,025,000
I
Residual Value After 30 Years
I
Total Remaining Residual Value
I Components with remaining service life
Replace Primary Clarifier Drive Units
Capital Cost
312, 500
ASL
10
After 30 Vears
156,250
775, 000 10 387,500
High Density RBC Units with Shafts ( stage one)
Standard Density RBC Units with Shafts ( stage two) 1, 100, 000 10 550,000
II
Aeration System ( piping and diffusers) 25, 000 10 12, 500
Additional Denitrification Filter Capacity 812,500 10 406, 250
Estimated Residual Value 1, 512, 500
i 1) Costs as of 2002, costs are inflated in the present vaiue analysis.
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2001/ 01. 0387.000/ ReportlR- 4/ 031403 Final Reportl031403 A- 4, 7 ,1 O, 12. tbl
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TABLE A- 11
CITY OF FORT WALTON BEACH WWTP
PROCESS TRAIN UTILIZING OXIDATION DITCHES
ESTIMATED CAPITAL COSTS
fill
ill Contingency, Engineering, Total
Initial Capital Expense Item Unit Cost Permitting @ 25% Capital Cost ASL
till
I Pretreatment Structure
12, 500 62, 500 30
Pretreatment Structure Rehabilitation 50, 000
20, 000 5.000 25,000 15
Mechanically Operated Bar Screen
I High Pressure Flushing Line
Slide Gates from Splitter Box
15,000
20, 000
3, 750
5, 000
18, 750
25, 000
30
30
131, 250
I Clarifiers
Prima!)'
Removal and Disposal of Existing Drive Units 10, 000 2, 500 12, 500
I Treatment
Seconda!)'
5, 000 25, 000 30
RBC Equipment Removal/ Disposal 20, 000 $
150, 000 37, 500 187, 500 15
Flow EQ Mixers/Rails/Supports
I Oxidation Ditch Structure
Additional Excavation to Maintain Hydraulic Profile
1, 600,000
250, 000
400, 000
62, 500
2, 000, 000
312, 500
50
500, 000 125, 000 625, 000 20
Mechanical Aerators ( 2 - 150 hp)
I Electrical Modifications
Recycle Wetwell
250, 000
110, 000
62, 500
27, 500
312, 500
137,500
30
30
115, 000 28,750 143, 750 15
Recycle Pum ps
350,000 87, 500 437,500 30
t Yard Piping
Influent & Effluent Weir Gates ( includes recycle basin) 25, 000 6, 250
10, 000
31, 250
50, 000
30
15
Generator (supplemental capacity) 40, 000
4,262, 500
I Effluent Filtration
150, 000 37, 500 187, 500 20
Effluent Filter
t Disinfection
Liquid Chlorine System 40, 000 $ 10,000 50, 000 15
20, 000 5, 000 25, 000 30
Chlorine Building
1'1 CCC Basin Rehabilitation 100, 000 25,000 125, 000 30
lit 200, 000
I Total
4,793, 750
I
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2001l01. 0387. 000/RcportlR- 4/031403 Final Reportl031403 A- 6, 9, ll,13. tbl
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TABLE A-11 ( continued)
CITY OF FORT WALTON BEACH WWTP
PROCESS TRAIN UTILIZING OXIDATION DITCHES
I ESTIMATED CAPITAL COSTS