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DST
<br /> ECONOMIC COMPARISON OF REMEDIATION ALTERNATIVES
<br /> 151 South Main Street, Manteca, California
<br /> TASK Alternative 1 Alternative 2
<br /> Year 1 Year 2 Life Cycle Year 1 Year 2 Life Cycle
<br /> Task 1 Acquire Permits $1,500
<br /> Task 2 Install SVE/Groundwater Extraction Wells
<br /> Extraction Wells (4 , 30 ft) $6,500 $6,500 $4,500 $4,500
<br /> Task 3 Construct Subsurface Piping and Utilities
<br /> Trenching and Lateral Piping $7,000 $7,000 $12,000 $12,000
<br /> Well Vaults (4 co-ext) $2,500 $2,500 $2,500 $2,500
<br /> Discharge Line to Sanitary Sewer $3,500 $3,500 $4,500 $4,500
<br /> Task 4 Construct/Install Mobile Treatment System $36,000 $36,000 $125,000 $125,000
<br /> Task 5 Startup Monitoring
<br /> SJVUAPCD Sourc& Testing $1,200 $1,200 $2,000 $2,000
<br /> POTW Start-up Testing $2,500 $2,500 $2,500 $2,500
<br /> Task 6 Operations and Maintenance
<br /> (18 Month Project Life)
<br /> Maintenance $6,000 $3,000 $9,000 $12,000 $6,000 $18,000
<br /> Compliance Monitoring -Air $3,000 $1,500 $4,500 $4,700 $4,700 $9,400
<br /> Compliance Monitoring - Waste Water $7,200 $3,600 $10,800 $7,200 $3,600 $10,800
<br /> Performance Monitoring $2,400 $1,200 $3,600 $3,600 $3,600 $7,200
<br /> Vapor-Phase GAC Replacement $12,000 $3,000 $15,000
<br /> Aqueous-Phase GAC Replacement $4,500 $1,500 $6,000 $4,500 $1,500 $6,000
<br /> Natural Gas $0 $0 $0 $4,000 $5,000 $9,000
<br /> Electricity $4,800 $2,400 $7,200 $6,000 $3,000 $9,000
<br /> _ask 7 Quarterly Self-Monitoring Program $12,000 $6,000 $18,000 $12,000 $6,000 $18,000
<br /> ask 8 Project Management $6,000 $1,800 $7,800 $6,000 $1,800 $7,800
<br /> Task 9 Verification Monitoring $3,600 $3,600
<br /> and Closure Report $2,400 $2,400
<br /> nnual and Alternative Total Costs $118,600 $24,000 $147,100 $213,000 $35,200 $254,200
<br /> 1
<br /> tternative 1 Groundwater Extraction,Treatment with Granular Activated Carbon, SVE,Treatment with Granular Activated Carbon
<br /> Alternative 2 Groundwater Extraction,Treatment with Granular Activated Carbon,SVE,Treatment with Thermal/Catalytic Oxidizer
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