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nEC-15-2004 09 :53 AM H. M_ BOWER 828 724 4643 P. 04 <br /> 1925 Lalxviaw Te�ru�e,flrv�o 1�1 <br /> . � <br /> occuning clay samples wer�, as a minimum, �,'c�y saturated (all pores fiiled with <br /> water). Some of them were not w�tg arin� (capable of releasing this water). Soft clays <br /> usually release vuater,but slowly. <br /> When analyzed for elevation, groundwater is at approximate ele�vation 1003 to 1005. 1� <br /> a�.Deazs to slope da�wnward to the eastsoutheast. However, as free graundwat�r and free <br /> groundwater flow is a samewhat embiguous situatian in clay, present graundwater levels ar� <br /> n�t repr�ented on tk�e bore 1ogs. Ora a site such as this, surface water levels usually dictate <br /> lowest building slab levels. <br /> Maxim,um groundwater that the site has experienced in the past and could experience <br /> in the future could not be determined or�redicted based upon soil boring evidence thus far. <br /> it is speculated that, temporarily, maximum groundwater in the reasonable future may be <br /> approximately equivalent to l 00-year flood elevation, if any, in the are�a�. <br /> In any event be advised,�s explained in the attachment,that groundwater may sti i I occur <br /> and vary accordit�g to various climatological �nd metcoro�ogical influences undetermined <br /> within the timc fisme, sc�pe and budg�t allowed in this investigation. In addition, area <br /> development patterns and drainage alterations can influ�ncc soil moisture and goundwatcr. <br /> Bear in m�nd that indicated results are for time and conditions of testing only. <br /> lte�er to the individual boring logs far a more detailed descriptien of soils and moisture <br /> conditions encountered. <br /> " CONCLUSTdNS ANb RF,COMMFI�DAT�ONS <br /> The �ollowing conclusior�s and irecommendations are based upon inter�reted results of <br /> boring lags, their�relation to the planned wark, and other infvmiation. Because the borings <br /> and laboratory tests represent a small portion of the site in rel�tion to the propos�d areas of <br /> work,ongoing review of construction should be earried out. If excavations reveal subsurface <br /> soils of a different nature th�n thase observed in the b�rings or if the lor.ation or elevations <br /> of the planned �work are altered significantly, the Soils Engineer should be contracted for <br /> possibly reviQed recommendations (see #6 below en� thc foliowing "Limi�tiOX1S of <br /> Investigation"), <br /> 1. Gener�l �ite Suitabili�,y_ � <br /> Bssed upon intErpreted r�u1t�of the borings, it appears that the site has some limitations <br /> regarding suitability fvr congi.ruction_ Thes� mainly consist a£the presence of uncontralled <br /> �tl,buried pe�ty and argani�sail below, lo�uv stren,gth vatying deposit thickness clay subsoi( <br /> just below that is highly pronc to di�erential settiement due to consolidation, �oundwater <br /> at sueh levels that could complicate site�orrection samevvt�at,and the need to adapt the sitc <br /> for the prop�sed usc. These lirnitations are correctable by adequate foundation engineering <br /> and further monitoring of soils �s C�t�struction procceds. <br /> 2. itial S ite Pr��,i�n: <br /> This a�nalysis is based upon the building being,as indicated earlier, of split-levei or slab- <br /> an-grade design configuration with footings at frost protection depth(3.S')ar geater.Lawest <br /> slab elevation is assumed�to be approximately 9b. For an ordioary cut �nd �11 type of site <br /> eorreetion,the proposed building addition pad area,avers�ed es necessary,should be cieared <br /> of all arganic,loose or�,frozen or atherwise unsuitable soil,uncontrolled fill,vegetation, <br />