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. bL�>C'3- '�'--� - Fi �1� i'P.R=-�cJ c��� <br /> . , � , . <br /> =:I:r,'.f,�Glf�!EI:GS f <br /> July 21.200G <br /> FF Dc��clopmcnt L.P. <br /> 194U1 40�'A�cnuc W.,Suitc 2R0 <br /> L�nm�'ood,Washington 9R03G <br /> Aticnlion: Riciiard Craigcr <br /> Subjcet: Sununnry Lcltcr <br /> Gcolcchnical Conslmclion Obscn�ation —Duildiug Nos. 3 m�d 4 <br /> Thc Millington(al, Mcmll Crcck <br /> Evcroll,Wnshinglon <br /> Gfl FilcNo. 7fi30-004-D? <br /> INTRODUCTION <br /> This Icltcr prescnts a summary of our gcotcchnical wusWclion obscn•ation scrviccs for Building Nos. 3 <br /> nnd 4 of Thc Millinglon al Mcrtill Crcck localcd in Gvcrett,Washington. V✓c havc providcd gcolechnical <br /> construction obscrvalion scrviccs for lhc cnlirc prajcct but only lhc consWction obscrvations complcicd <br /> for Building Nos. 3 and 4 arc prescnlcd in this Icticr. Wc will providc a scparatc Ict�cr that will <br /> summarizc our constn�ction obscrvntions complcled for thc othcr buildings and arcas of�hc projcct. <br /> Thc gcolcchnical aspccts associatcd with constniction of I3uilding Nos. 3 and 4 includcd soil bcaring <br /> vcrification,constiuction of thc mcchanically stabilizcd carlh (MSE)wall S7 locatcd along thc north and <br /> cast sidcs oC Quilding No. 4 and nlong portion of thc cast sidc of Building No. 3, stn�cwral fill malcrial <br /> charxlcrislics,placcmcnt and wmpaclion vcrificalion. <br /> SUMMARY <br /> f3ascd on our obscrvalions, it is oor opinian that Ihc constmction activitics at I3uilding Nos. 3 and 4 <br /> obscn•cc1 by GcoEnginccrs �acrc complctcd in gcncral accordancc with our rccommcndations, and thc <br /> projccl plans and spccifications. <br /> OBSERVATIONS <br /> Wc visilcd tlic sitc on a full timc basis on 25 occasions bctwccn Junc 23 and July 20, 2005 (rcfcr to ficld <br /> rcport Nos. i thmugh 25)during tlic mass grading period to cvaluatc compxlion of thc fill placed within <br /> Ihc Pod I arca whcrc Duilding Nos. 3 and 4 arc located. Wc complctcd inlcmiittcnt sitc visits on 8 <br /> occasions bchvccn Augusl 4 and Scptcmbcr 26,2005 (rofcr to ficld ccport Nos. 3G,37,42,G7 through 71) <br /> to evaluatc thc slab and fooling subgrndc soils within Building Nos. 3 and 4. Wc also complctcd <br /> intcnniucnt sitc visits on 5 occasions bchvccn July 19 and July 28, 2005 (rcfcr lo fcld roport Nos. 24, 25, <br /> 23 Oirough 31) lo obsenc cortsWclion of lhe MSE wnll S7 tuid evnloatc slructural fill placcd Gchind llte <br /> rcinforccd zonc of thc MSG �vall S7. Dctails of our sitc visits, including our obscrvations and <br /> rccouuncndations arc prescntcd in our daily ficld reports rctcrtcd abovc. A complctc sct of ficld reports <br /> has bccn providcd lo you during constn�ction �nd nlso h�s bccn fonvardcd to thc omsitc FF Dcvelopmcnt <br /> Conslniction alTicc. <br /> � <br /> L^.r1lr5ricncr� ircbnMn�� en0 Sterart sueet �,i.r� 3Uf.YYC.tr)„ <br /> iitl� 1)00 hol-u� ms:.'I'1P.:i_. <br /> Sea111e.WA 8�1�1 .n'-:h ..rrn..cexu�m�;r,cv�i <br />