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�`� <br /> o;i��iz��.� ao:ic s��_;,�s�s� PuiaT,a�i cv�N�+r co Pn� �e <br /> GEOTECHNICAL ENGINEERING STUDY <br /> Panationi Deve�opment Company, LLC E-10134-1 <br /> October 2, 2002 Page 3 <br /> At boriny locations e-1 through B-6, underlyinp a sur(icial layer of pooriy graded sand <br /> �Unified Soil Clnssitication, SP) that extended from between ground surface and seve.n <br /> - ond one-halt feet below existing grade, dense to very dense silty sand �vith variahle <br /> gravel content (SM) was encountered. Dense silt IMU was encountered in f3oring B-6 <br /> at five faet, exte�ding to the moximurt� exploration depth. In Borinfls [3-7 througli B- <br /> 10, poorly graded sard ISP) was ancountered to the maximum depth of fony-one and <br /> one•hai( (41.5) feot helow existing grados. Iso;ated layers oi poorly graded sand with <br /> _ silt (SP-SM) were encountered in Boring E3-£3. <br /> As pr�rt of [his �tudy, ECI was to assess the condition and extent o( strucwral fill <br /> observed and testod by, Geocnginecrs, Inc., and SE&E on the eastem portion of the <br /> suoject site. [CI drilled a total of live borings alon� th> eastern portion of the site, <br /> Qorinps 6-1 through C4-5. In all borinps, undarlyinp a surficial grading fill, we <br /> encountered soil conditions Ihat exhibited native soil charactenstir.s. Standard <br /> Penetretion Test 'N' values of between 53 and 50-tor-5-inches wsre rccorded <br /> throuphout these Sorings, which are wnsiste�t with 'N' values collected at other <br /> J locations of known or s��sper.ted native soils. <br /> Groundwater <br /> I.ight proundwatei ;repage was encountered in 6orinp 8-70 at approximatcly twenty <br /> .. (20) fect 6r.low �Kisting grade during our exploration (August, 2D02). However, we do <br /> not anticipate ihat groundwater seepage will adversely impac[ thr. dovolopment at this <br /> site. The contractor should aiso 6e made aware that groundwater is no[ static. There <br /> - will be fluctuations in the level depending on the season, amount oi rainfall, surface <br /> water runof(, and nther factors. Generally, ihe watr.r level is higher and seeoaye rate <br /> is groe�tor in lhe wetter winter months (typieally Oc[ober through May). <br /> i <br /> FR�m co„>�n;�����.��� <br />