Laserfiche WebLink
NW-12-1997 1~~50 <br />V~IV IS t 1"IVL1~7G ~4tY!'\RG <br />PRE-CONSTRUCTtON REMEDIAL ACTIYITIES -~ORAAER CHEYRON PARCEL <br />DRAFT C~ST ESTIMATE <br />Ggneral A~~umptions: <br />Estirnated cOStS es of Plpv~mber, 11, 1997; work stll! in pCOgress <br />8oil rates indudQ excavation, stodcpiling, l0ading and transportation to off-siroe d~spasai fac~Gty <br />Task IV (3 yeo~rs groundwater monitoring) mey not be neoessary it sail excavationldewatertng results <br />fu11y support site ctosure <br />TASK t EXCAVA3'f4N - UST NEST <br />A~sumppons: <br />Dewateriag Coats inGuded in Task lll <br />Reportin8 inciuded irt TaSk V <br />Labor coats inGude prcjact msnagement, excavakion oversign~ and sampling <br />PCS a (14~OIBisTi-CO~ItHrt11A8t21j 601~ <br />Bsckfifling Cost& are not included <br />P.03 <br /> <br />Project Manager 5Q ,4 ,4po <br />Gao-ogisUEngineer 554 1 Do $S,Obb $5,OOQ <br />Cie~n soil (cubic yards} 511.06 5D00 $55,340 $65,3Q0 <br />PC3 (tons) 512.88 350Q ~t5,U80 $4b,064 <br />La6oretory anatyses $11,DQ0 $11,pOQ <br />Eyc nses 57,000 $1,000 <br /> <br />TASPC tIA: EXCAVA710M - DECGMMIBSIONED USE~ ~tl UST <br />Assumptions: <br />Not complated as of November 11,1947 <br />R.move contaminated sbil: i~f~t thiclc {5-15 feet bgs) by 20-feet diameter =120 cubic ya~'d~ <br />Excavste 130 cubic yatds averburdert (sloped sidswalls) to eccess oonbminated soil <br />Sai1 sampies from 4 exc.:~vation walls snd floot + 1 stoGkpile (disposat) en8lyzed fOr us~d oil components <br />Dewatering r,vsts inauded in Task III <br />Reporiing included in Task V <br /> <br />rOject anager 8 10 588~ <br />GeolagistlEngineer $50 2Q $1,000 $1,000 <br />Ctean saif {cu6ic yards} ~11,06 i30 $1,438 $1,438 <br />PCS (tons) 512.88 154 ~1,932 $7,932 <br />I.aboratory anafyses $1,000 $1,000 <br />Expertsea 5304 ~3t30 <br /> <br />TASK [IS: EXCAVA'PI~N • USED OtL UST WdD DRYWELL <br />Assump6ons: <br />Not complbted as of Novamb~r 11,1997 <br />Previously unknown 1,10Q-g81, used oil UST disGOVered (contents ful!); DEQ permittinglreporting ~qu~red <br />Ussd oil assumed ncn-hazardous <br />Previously unknown dryweA discovered <br />Reparting included in Task V <br />PC$ (tons) <br />oi~ disposal <br />UST decommission~ng <br />Laboratary ansys~s <br />s~o ao a~.oao s~,aac <br />~~z.as z5 S32z s~3zz <br />$0.33 700 5231 $231 <br />s2,ooo sx.aoo <br />$1,OD0 ~1,004 <br />CQntury 11Vest Enpineerlnp Peg41 11-NOV 9' <br />