Laserfiche WebLink
COST FEASIBILITY ANALYSES <br /> Thrifty Oil Co. Station #172 <br /> 7647 Pacific Ave, Stockton, CA <br /> Hydrocarbon impacted soils: <br /> Estimated volume is 25,600 cu ft <br /> Impacted soil location is 20' - 55' bgs <br /> Areal extent of impacted soil is beneath the old and new tanks <br /> Average concentration is 1,300 ppm <br /> Estimated hydrocarbons is 3,660 lbs <br /> REMEDIATION UNIT LINE <br /> TECHNOLOGY QTY UNIT PRICE TOTAL TOTAL <br /> (includes 4% annual inflation factor) <br /> Soil Remediation <br /> 1 NO ACTION not evaluated due to concentrations above action levels <br /> 2 EXCAVATION & ONSITE TREATMENT not evaluated due to operating station & space constraints <br /> 3 EXCAVATION & OFFSITE TREATMENT/DISPOSAL (excluding station demolition & reconstruction) <br /> Excavation to 20 feet bgs (clean) 1,400 cy $20 $28,000 <br /> Excavation 20 to 55 feet bgs (contam) 1,000 cy $40 $40,000 <br /> Shoring & Bracing 1 ea $75,000 $75,000 <br /> Transportation 3,600 ton $15 $54,000 <br /> Clean soil Disposal 2,100 ton $5 $10,500 <br /> Offsite Treatment/Disposal 1,500 ton $35 $52,500 <br /> Laboratory Services 400 ea $200 $80,000 <br /> Backfill & Compact Soil 2,400 cy $20 $48,000 <br /> Design & Permitting 1 ea $25,000 $25,000 <br /> Technician ( 4 months) 1,280 hr $25 $32,000 <br /> Project Management(4 months) 512 hr $45 $23,040 <br /> 3 INSITU VAPOR EXTRACTION $468,040 <br /> Equipment-treatment unit 1 ea $40,000 $40,000 <br /> Construction & Installation i co v20,000 $20,000 <br /> Additional Wells (none- use existing) 0 ea $4,000 $0 <br /> Design & Permitting (AQMD) 1 ea $10,000 $10,000 <br /> Operation & Maintenance 2 yrs $15,000 $30,600 <br /> Project Management 2 yrs $7,500 $15,300 <br /> Verification Borings 1 ea $14,000 $14,000 <br /> $129,900 <br /> Page 1 of 2 <br />