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F?LE No.252 0619 '98 14:15 iD'6!ELD CTY GOVT <br />( <br />IaC.tCHV MC)IINTAIN i.':ON3UITAN7:1, INC:. <br />,lallc li), )99R <br />Mr. T1uvnav A. Schreiner <br />F.nvlmntnentat Procectipn Spcciaiia( <br />F~X~9?03520212 PAGE i <br />]UhI .1.8 14 : i3 No .019 P .07 <br />~~ <br />Pu+nd~rv aulltllnp <br />N7F. Dor~wcno Avu.. Cuilo 4U0 <br />I Vi1p11Mnt, CU a114U1 <br />(sas> ». 4an2 <br />Me(In (3031 46x h295 <br />FA)< (30~) bbG hgh4 <br />C~ mull ,mcl,mpp nniLcom <br />Ulvisioa nl'Mincrnls and C3oplogy ' <br />Pc{+artmcnt of Natural Rceuuraca ~ ~ ~ <br />1313 yhennaa Sueet, Itonm Z l <br />Uanvar, Colorado 60203 , <br />1215: The 8hurca 1IZ I'crmfl Appllaatlnn ,4rlrgnnty Rnvlow, hlle Nu. M-Ud-0ld ~ k <br />~-.C ~ (i d.,tu <br />Dear Mr Schreiner: ``~ r <br />11011Irwin haR csrimalul UII: cunt of aualing Phnsc (11tC of IhC mhtiltF arut wittl a slurry wall in {ieu <br />of harkfilling thr. aroa to n dep(h 2' shove Cllr ground water sur(hce. 711(: ntlauhcd rcclaoviliun cost <br />caliutulc rcllewa (his cuss. Haft-lrwin has ugruud with UMO on s cost of 52.:45 per square face Inel <br />at'slarry wall on the bond mm~unl li>r their Brlghloa pmjuc}. }lull-lrwin's dosign alwcificatinus fi„ <br />the conxtnrctinn of the slurry will arc confidential and proprlelary Infonnmiun, 'Ihu mnlcrials ue:nd <br />~ in the cunstnluliun of the slurry wall system irwludN hontrmitn, ylulry and col! bcntonlw Uaokfill. <br />fhc wall is koycd Imo the t+edrack and formic o sc:nl muuud the mine, IsolNiug t11C it11nU IYOrn lI1C <br />grouadwatcr. 1 have included x technical brlcl'regsrdulg slurry wall n:.rcrvnil lining systems Fur <br />your file. <br />Please call me ifynll hove nny yucstlons or need ndrlhlonnl infarnlminn ul contplele yow Icvicw <br />"IT+arlk ynu lbr yr+u1' nasislancC. <br />SInCCrely, <br />Rnl"KY h4OI1N1'AIN C:ONSl1L'1'AN'I'S, INC. <br />IiurYsarn }trunk <br />L,andscapc Architect <br />11 ~.OGI(i_0241M1 HN\UMrllil~tll'7.WF'11 <br />C..IV II. /\N1.1 I:NVIIrOfJMtN'I'A.I I'NCINFErlINi: • hl ANN(~:~;. <br />