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1 • •
<br /> ALTERNATIVE 4 GEO�
<br /> C3ECMATRIX
<br /> TANK AREA EXCAVATION
<br /> PRELIMINARY COST ESTIMATE
<br /> Former ContiGroup Grain Elevator Page 2 of 2
<br /> 1805 Harbor Street
<br /> Stockton California
<br /> TASK
<br /> ACTIVITY QUANTITY UNIT UNIT$ COST$ SUBTOTAL$
<br /> DEWATERING and TREATMENT SYSTEM(cont'd)
<br /> Other mise 39,000
<br /> treatment system installation,startup,operations 15 day 1,500 22,500
<br /> laboratory analysis of discharge water samples 5 event 500 2,500
<br /> system decommissioning I lump sum 10,000 10,000
<br /> spent GAC pickup and disposal 1 lump sum 4,000 4,000
<br /> DEWATERING and TREATMENT SYSTEM SUBTOTAL S 109,000
<br /> 1 TASK
<br /> ACTIVITY QUANTITY UNIT UNIT$ COST$ SUBTOTAL$
<br /> EXCA VA TION an d BACKFILL
<br /> pre-Feld activities 36,000
<br /> stormwater controls installed 1 lump sum 5,000 5,000
<br /> design shoring 1 lump sum 8,000 8,000
<br /> ' remove concrete slab and recycle debris 1 lump sum 5,000 5,000
<br /> decommission existing monitoring well 1 ea 5,000 5,000
<br /> remove overhead power line&pole 1 lump sum 8,000 8,000
<br /> pre-profile soil waste 1 lump sum 5,000 5,000
<br /> lieexcavation 220,540
<br /> mob/demo 1 lump sum 15,000 15,000
<br /> install and remove shoring 1 lump sum 97,500 97,500
<br /> excavate 390 cy overburden soil and stockpile 390 cubic yard 12 4,680
<br /> j excavate 780 cy affected soil 780 cubic yard 15 11,700
<br /> offsite transportation and disposal of affected soil 1325 ton 42 55,650
<br /> kocate and test source of backfill soil 1 lump sum 5,000 5,000
<br /> sample and test stockpiled overburden soil 4 ea 250 1,000
<br /> move,place,and compact overburden soil 390 cubic yard 9 3,510
<br /> import fill purchase,transport,place,compact 1325 ton 20 26,500
<br /> I Other mise 37,500
<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 1 lump sum 10,000 10,000
<br /> EXCA VA TION and BACKFILL SUBTOTAL $ 294,040
<br /> TASK
<br /> ACTIVITY QUANTITY UNIT UNIT$ COST$ SUBTOTAL$
<br /> 15%protect management cost 0 15 438,040 65,700
<br /> 20%contingency cost 02 438,040 109,500
<br /> TOTAL $ 613,240
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<br /> ' 1 U)0c_Sa(e5900W99631CAP1AppB Altema4ves As 1016/20D49 52 AM
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