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I � � � <br /> � <br /> IThe Riley Group Inc. <br /> IJimc 2.2009 <br /> Mr. Kcnncih Grcen <br /> Conununity Flcnith Ccntcr of Snohomish Counly <br /> P.O. [3ox 130G0 <br /> Evcrctt, WA 9820G <br /> Subject: Geotechnicxl Engineering Reporl <br /> Proposed Community Hcnlih Centcr <br /> SWC 14'�Strecl& I3roadway Avcnuc <br /> Cvcrett,WA 98201 <br /> Projcct No.2009-15d <br /> IDcnr Mr.Grcen: <br /> As rcquested, Thc Rilcy Group, Ina (RGI) has perfornied a gcotcchnicnl cugineering study f'or Ihe <br /> nbovc-n;fercnced project. RGI understands thnt the client intends ta demolish thc esisting building <br /> nnd construct n new community heallh building in Ihe norlhcrn ponion of�he siie. Thc auachcd <br /> repo�l presents o�n� findinbs anci rcconunendntions for Ihc geotechnical nsp��cts nnticipxtcd for Ihe <br /> project design nnd construction. <br /> ' Our ficld csploralion indicates �hat thc site is genernlly underlain by 2 to 3 feet of fill overlying <br /> I medium dense to vay dense SAND �vith some silt and trncc brnvel to silry SAND with gravcl <br /> (glncinl lill). The fill consists of mcdium dense SAND �vith some silt and irncc gravcl. <br /> Groundwnter secpnge was encountered at 14.� to I5.? fect bclow gromid sivfnce (bgs) during our <br /> I subsurfncc investigntion. Dnscci on ihe soil conditions observed, RGI concludes �h�t the proposed <br /> building can bc supported on convcntionol sprcnd &wting foundations benring on medium dcnse to <br /> dcnsc nmivc soil or slructural fill (if necdcd). l'hc building floor slab and pnvemcnt cnn be <br /> Isimilnrly supported on firm soils. <br /> This report providcs our gcotechnicnl lindings mtd recommcndotions for the project. 'fhese <br /> I rccommendations shoidd bc incorpoi:�tcd into project design nnd construction. <br /> Wc trust Ihe infonnation prcsentcd is suflicient for your cmrcnt needs. If ynu hnve nny questions I <br /> � or rcquirc nddilionnl inlormation, plcnsc cnll. <br /> Sinccrclyyours /�r1 . U�/ C <br /> � �V JF\�� �� <br /> I Tuean.evci:ou�,i.c. ,�� ,�, �oTc� -' � <br /> .�� � �� / �_ / <br /> ` .,—_' <br /> . <br /> L_- <br /> �'���R<1� ( � <br /> Chicn•Lin(Johnny)Chcn, P.G. �'s�pNnL� Ricky R. Wnng, Ph.D., P.E. J I <br /> ' Project Gnginccr � Principnl Gnsinccr <br /> JC/RIP b Z o <br /> . Si'N1'I\C TIII'P.\fIRC iYON'f11�Pf'tiT ��� <br /> NO!llI Pll,(fl SOIIBII•C01�10flIfP O,UICY SOM/I PN�(BSONIIlIOJJIfI' Earlrrn II iuhingron h Oregmi Of/for <br /> Il i??ltolhrl!II nr.\'f..tim�e:I 7Jl16-?i'Sm�t�II isr..l7itrr JOl I S33 Saidi 11 i�shing�a�S�rre� <br /> lJndrrlL II;I9S011 Li�i�rrsm•Plu:r. II':198166 A'rnrx•n��.F."'d 99337 � <br /> 1'hnu;l'S.Jlt,pt.5l�Fiarl?S.JIS.OiII Pfrm�.�15J..ilS.OSS'�Fnr'S3.l60.:931 l7roir3119.356.ltlO�Fm�509.536.l363 <br /> rcun'.nL�r:Cnn�p<'am <br />