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<br /> ALTERNATIVE 5
<br /> r GEOMATRIX
<br /> LIMITED EXCAVATION OF ON-SITE SOIL FOR OFFSITE DISPOSAL
<br /> PRELIMINARY COST ESTIMATE
<br /> Former ContiGroup Grain Elevator Page 2 of 2
<br /> r1805 Harbor Street
<br /> Stockton, Caltfornta
<br /> r TASK
<br /> ACTIVITY QUANTITY UNIT UNIT$ COST$ SUBTOTAL$
<br /> DEWATERING and TREATMENT SYSTEM(cont'd)
<br /> Other mise 65,000
<br /> treatment system installation,startup,operations 30 day 1,500 45,000
<br /> laboratory analysis of discharge water samples 8 event 500 4,000
<br /> r system decommissioning 1 lump sum 10,000 10,000
<br /> spent GAC pickup and disposal 1 lump sum 6,000 6,000
<br /> DEWATERING and TREATMENT SYSTEM SUBTOTAL S 135,000
<br /> . TASK
<br /> ACTIVITY QUANTITY UNIT UNIT$ COST$ SUBTOTAL$
<br /> r EXCAVATION and BACKFILL
<br /> Pre-field activities 83,000
<br /> stormwater controls installed 1 lump sum 10,000 10,000
<br /> design shoring 1 lump sum 10,000 10,000
<br /> remove concrete slab and recycle debris I lump sum 10,000 10,000
<br /> decommission existing monitoring wells 4 ea 5,000 20,000
<br /> remove 4,500-feet2 AC&recycle 1 lump sum 20,000 20,000
<br /> r remove overhead powerline&pole 1 lump sum 8,000 8,000
<br /> pre-profile soil waste 1 lump sum 5,000 5,000
<br /> excavation 996,900
<br /> r mob/demo 1 lump sum 15,000 15,000
<br /> install and remove shoring 1 lump sum 275,000 275,000
<br /> excavate 2,650 cy overburden soil and stockpile 2650 cubic yard 12 31,800
<br /> '1 excavate 5,300 cy affected soil 5300 cubic yard 15 79,500
<br /> offsite transportation and disposal of affected soil 9000 ton 42 378,000
<br /> locate and test source of backfill soil 1 lump sum 5,000 5,000
<br /> sample and test stockpiled overburden soil 25 ea 250 6,250
<br /> move,place,and compact overburden soil 2650 cubic yard 9 23,850
<br /> import fill purchase,transport,place,compact 8500 ton 20 170,000
<br /> import baserock purchase,transport,place,compact 500 ton 25 12,500
<br /> r Other mise 52,500
<br /> field work oversight and coordination 15 days 1,500 22,500
<br /> mise field equipment 1 lump sum 5,000 5,000
<br /> replace utility pole and power line I lump sum 10,000 10,000
<br /> rreplace AC pavement 4,500-ft2 1 lump sum 15,000 15,000
<br /> EXCAVATION and BACKFILL SUBTOTAL S 1,132,400
<br /> TASK
<br /> ACTIVITY QUANTITY UNIT UNIT$ COSTS SUBTOTAL$
<br /> 15%nroiect manaeern_Ent cost 0 15 1,312,400 196,900
<br /> 20%contingency cost 02 1,312,400 328,100
<br /> TOTAL $ 1,837,400
<br /> 10oc_Saw9000s199631CAP1App9 Alternatives As 10/6120049 52 AM
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