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PRELIMINARY COST ESTIMATE <br /> OPTION 4 — BIOVENTING <br /> FORMER AFPC FACILITY <br /> STOCKTON,CALIFORNIA <br /> AFPCOST WKl ShL A A.OLon <br /> Revised 10/26M <br /> ITEM UNIT TOTAL <br /> NO DESCRIPTION UNITS QUANTITY PRICE PRICE <br /> CAPITAL COSTS <br /> A MOBILIZATION LS 1 $20,000 00 $20,000 <br /> B SITE WORK <br /> 1 Line Cutting Asphalt <br /> a asphalt cutting LF 552 $351 $1,939 <br /> b debris loading&disposal CY 16 $6754 $1,080 <br /> 2 Mechanical Enclosure <br /> a concrete pad CY 1 $16624 $99 <br /> b fence LF 16 $1460 $234 <br /> c electrical hook—up LS 1 $75000 $750 <br /> 3 Well Installation EA 19 $3,00000 $57,000 <br /> 4 Air Extraction Pumps EA 1 $20,00000 $20,000 <br /> 5 Pipe&Frttings LF 400 $2300 $9,200 <br /> 6 Vanes&Guages EA 16 $10000 $1,600 <br /> SUBTOTAL $111.900 <br /> ENGINEERING DESIGN Q 5% $5.595 <br /> PERMITTING Q 2% $2,238 <br /> CM and COA Q 3% $3.357 <br /> CONTINGENCY Q 20% $22,380 <br /> TOTAL CAPITAL COST $145,470 <br /> ITEM UNIT TOTAL <br /> NO, DESCRIPTION UNITS QUANTITY PRICE PRICE <br /> ANNUAL O&M AND MONITORING COSTS <br /> A GROUNDWATER MONITORING LS 1 $9,800 00 $9,500 <br /> C BIOVENTING SYSTEM O&M (every year) <br /> 1 Equipment O&M LS 1 $50000 $500 <br /> 2 Power kWh 13065 $058 $7,578 <br /> 3 Labor MHR 192 $7500 $14,400 <br /> D SOIL SAMPLING&ANALYSIS (every two years) <br /> 1 Bonng&Sampling LS 1 $1,70000 $1,700 <br /> 2 Analytical Testing EA 14 $20000 $2,800 <br /> 3 Data Analysis&Report LS 1 $5,00000 $5,000 <br /> 1 ANNUAL O&M COST (every year) $32,078 <br /> TOTAL ANNUAL O&M COST(every second year) $41.578 <br />