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e� <br /> TABLE 2: ESTIMATED CO <br /> NSTRUCTION COSTS FO:t RF- <br /> TABLE <br /> T'f r`2NATIVF (cont.) <br /> � STOCKTON UNIFIED SCHOOL D1STR1 <br /> - I'RAN LIN HLI 001GH 89003 1-i00L <br /> Estimated Cost: <br /> Excavate and stockpile soil $2,400 <br /> 240 cu. yd. 0 $10/cu. yd <br /> Load and dispose of soil 28,000 <br /> _. 280 cu. yd. (3, $10o/cu. yd. <br /> Import and backfill clean sail 3,600 <br /> 240 Cu. yd. 0 $15/cu. yd. 2,000 <br /> Contractor mobilization and desnobilixaion 2,500 <br /> An <br /> costs (20 sampled 500 <br /> Fencing 13,000 <br /> -Work plan, specifications, closure <br /> 17' Engineering report 7,800 <br /> Contingency 0 15% <br /> IMATED COST FOR ALTERNATIVE 2 <br /> 6 <br /> EST <br /> (rounded to nearest thousand) <br /> _i _EXCAVATION AND OF <br /> TREATMENT <br /> BY VAPOR EXTRACTION <br /> ALTERNATIVE <br /> Assumptions: <br /> Volume of soil to be treated - 18-foot square) 20 feet deep, <br /> with 1.15 expansion factor <br /> Volume of soil to be excavated and ba <br /> orpckfilled - 240 cu• yd' <br /> No shoring require <br /> erforated plastic pipe to be embedded, <br /> Treatment h <br /> to be conducted at District Corporation Yard <br /> Soil to be spread on plastic seeting,p <br /> • ng, and vapors to be withdrawn <br /> soli to be covered with plastic sheetiby <br /> vacuum pump <br /> and discharged to air after pasing through carbon canisters <br /> soil to be n area 50 feet by 50 feet <br /> mounded three feet high In a <br /> Estimated Cost: <br /> Excavation and Backfilling Costs <br /> Excavate end stockpile soil $2,400 <br /> 240-cu. yd 0 $.10/cu. yd. <br /> il to Corportat on <br /> 2,000 <br /> Load and transport so .... .. ... .. <br /> 280 cu. yd. 0 $7/cu..yd. <br /> a <br />