APPENDIXB
Project Costs
The following tables present a summary of actual (Years 0-5) and projected (Years 6-15) costs
and calculation of technology-specific unit costs for soil vapor extraction and air sparging.
HCAS data entry sheets are attached to this appendix.
ACTUAL COSTS (1 of 2)
Site:
Landfill 5
Description:
The selected treatment technology consists of air sparging in combination
Location:
Ft. Griffey, Ohio
with soil vapor extraction in the source area. Capital costs were incurred
Phase:
Interim RA Report
in Year 0 (1994). Actual O&M costs were incurred in Years 1 (1995)
1994, 1995-1999, 2000
Base Year:
through 5 (1999). Projected O&M costs are assumed for Years 6 (2000)
April 9, 2001
Date:
through 15 (2009). Periodic costs are incurred in Years 5, 10, and 15.
RA CAPITAL COSTS (Year 0):
UNIT
DESCRIPTION
QUANTITY
UNIT
COST
COST
NOTES
331XX HTRW Remedial Action
1
EA
,472
,472
.01 Mob Construction Equipment & Facilities
.03 Submittals/Implementation Plans
1
EA
,504
,504
QAPP, SSHP, etc.
1
EA
||content||
,274
||content||
,274
.05 Construct Temporary Utilities
SUBTOTAL
,250
.02 Monitoring, Sampling, Testing, and Analysis
.04 Monitoring Wells
7
EA
,965
,757
Saturated zone screen interval
10
EA
0
,300
.11 Geotechnical Testing
Screen interval soil samples
10
EA
||content||
,577
,771
.90 Vadose Zone Piezometers
Installed to water table depth
.91 Dissolved Oxygen Sensor Wells
3
EA
,965
,896
Saturated zone screen interval
,724
SUBTOTAL
.03 Sitework
3.0
AC
||content||
,161
,482
.02 Clearing and Grubbing
Work area
.03 Earthwork - Stockpile Topsoil
2,420
CY
||content||
,234
Strip 0.5'
,717
SUBTOTAL
.13 Physical Treatment
.32 Air Sparging (37,400 MGA)
.90 AS Injection Wells
5
EA
,645
,225
Well depth = midpoint of aquifer
1
EA
,712
,712
.91 AS Blower
.92 AS Piping
100
LF
.03
3
Pipe, valves, fittings, etc.
.93 Electrical Hookup
1
EA
,949
,949
1
EA
,468
,468
.94 Startup and Testing
SUBTOTAL
,857
.13 Physical Treatment
.23 Soil Vapor Extraction (27,800 CY)
1
EA
||content||
,534
||content||
,534
.90 Mobilize SVE System
Mobile unit
.91 Impermeable Surface Cover
125,500
SF
5,420
Low density polyethylene liner
.92 SVE Extraction Wells
6
EA
,725
,350
Installed to water table depth
4
EA
,286
,144
.93 SVE Passive Injection Wells
Installed to water table depth
.94 SVE System
1
EA
,510
,510
Mobile unit (600 scfm)
2
EA
2,596
5,192
.95 GAC System
400
LF
.66
,464
.96 SVE Piping
Pipe, valves, fittings, etc.
.97 Electrical Hookup
1
EA
,949
,949
1
EA
,468
,468
.98 Startup and Testing
1,031
SUBTOTAL
.19 Disposal (Commercial)
.20 Container Handling
30
Each
||content||
,800
Transport/disposal of drums - SWLF
200
Gallon
||content||
.25
0
.90 Wastewater Discharge/Testing
POTW fee - development water
,050
SUBTOTAL
.01 Earthwork - Spread/Compact Topsoil
2,420
Cubic Yard
||content||
.86
,501
Replace topsoil
3.0
Acre
||content||
,427
,281
.04 Revegetation and Planting
Seeding/mulch/fertilizer - work area
,783
SUBTOTAL
.21 Demobilization
.02 Removal of Temporary Utilities
1
EA
6
6
1
EA
||content||
,059
||content||
,059
.04 Demob Construction Equipment & Facilities
1
EA
,788
,788
.06 Submittals
Post-const. reports
SUBTOTAL
,393
SUBTOTAL
8,805
Project Management
34,728
Remedial Design
69,457
46,304
Construction Management
9,294
TOTAL RA CAPITAL COST (Year 0)
1994
B-1
Ft. Griffey Landfill 5 OU Interim RA Report