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� <br /> IUnderpinninq of Adjacent Structures <br /> � l�he shoring ���alls nwst be desiuned to support the luads from .�djacent buildings (the �IOD �md �_�i<ti�c <br /> hospit,il). �I�he shurine ��'alls c:m resist the loads as laternl surcharges, computed using Picur� ''. ��' �� <br /> underpinning. Underpinning transfcrs loads to the shoring s�stcm Jirectly, us �'ertical surchar�c:. <br /> I <br /> � Ne undcrstand that the adjacent structures :tte fairly li��hth� loaded. Direct underpinnin�_ can bc �!. .i. c: : <br /> as part of�thc soil nail wall systcm u[ilizing vertic.il elcincnts. rn� po,t-icnsionim�oC tlic soil nails in:i}� al;�� <br /> � be considercd durine dcsien uf lhe soil nail ��all. :\Itcrn;ui��l�, a dc,cription uf dircct undcrpinnim_ u,ing <br /> slant piles is procidcd bclow: <br /> 1. Gscavatc to thc cxisting fotmdation cle��atiun. <br /> � ?. Drill a shaR fbr the soldier pile at a b,uter un thc urdcr uf�'I I:I�V (actual b,ntrr ��ill dcpen�l un <br /> the soldicr pilc Icne,th), <br /> � 3. Ream th� sid� ofthe soldier pile sliaft located bclo�v the csi,tinu ibundution. <br /> a. Instt�ll the soldier pile tmd alien it ecrtic,�lly below the e�istim_ Il,und:itiun. <br /> 5. Placc structural cuncrctc in U�c soldicr pilc shaft to thc elevation of thc pl;�nncd c�c:n;uion. <br /> � (. Placc Ican concretc in thc upper portion of the soldiu pilc sh;ili. <br /> � <br /> 7. Provide a structur,il conncctiun bet�veen the existing fuundatinn and ihr ;uldi�r pil�s. ;md <br /> � 8. Constnict the rumaindur of lhc soldicr pilc and [icback ���.ill. <br /> Slant pilc undcipinninc mquires careful conu'ol of cacing soil cunditiuns in urdcr to prc��cnt c.���'s,icc <br /> ( sctdcment belu�c c.risting foundations. \Vhcrc caving soils arc pre;rnt. thc usc o( drilling mud m;�� h� <br /> � necess.��y. 'I�hc buuont of the drilled sha�i� fur soldier piles shouW be cleaned out prior to pl;icin_, <br /> concrct� in the shalt. Thc shn�t bottom c:m bc cicaned using a clean-out bucket or other mcans propu�cd <br /> � by thc contractor and nppru��ed b�� GcoGnginccrs. Stecl wcd�,cs orjacks- �md non-shrink grout can bc uscd <br /> at thc �oundutiun!suldicr ��ilc connceuon tu rc�lucc thc scttici;,cnt potcntial; ho«c��ce :ilternati��c structural <br /> connections nu�y be nucc,;,�n �k��cn�liuc upun thc e�i;ting fuund;uiun eonfi�w'atiun :m�l ;�nucipnted <br /> ( �O�(IS. <br /> 1 <br /> TEMPORARY DEWATERING <br /> � The static eromid�vater Ieccl i� luc;ucd hel���� ihe plannci� b:ise o�thc c�c:i��;uion. hasc� on the borin�� <br /> data, site loc;ition. and the naturc uf thc ;oil� :u thc �itc. <br /> � Cor plannine purposcs. �ve recunm��nd du �ontractor plan ro use sumps and pumps located ��'ithin the <br /> ' exc:rvatiun tor temporai}' de��aterin�. II nccessary, a 6- to 13-inch-thick eranular workin�� p;�d cons'istim= <br /> �if crush�J rock quarry spalls. or th� conv:�ctur's preferred material c�n he u�ed il� <br /> � eround�snter/srormwotcr nced, to bc muna�cd throu��hout the interior of the si[e. <br /> SHALLOW FOUNDATIONS <br /> Conventional Spread and Continuous Wall Footings <br /> \Vc recununend that conventional ;prc�d footings be a minimum of 36 inches ��ide and th:�t continuous <br /> �vall l�otinas hr :i mininnim ol 16 inchcs ���ide Cxterior fooiim_s should be ti�unded a minimum uf <br /> I S inches helo�� tl�c I����c,t o�ljaccnt <�rn�le. Interior foutin��s ,huuld br foun�kd a minimum of !'_ inches <br /> bcluw lop of alah. <br /> -- -- — --- -—-- -- <br /> � l�i(. ',., In'�5'-rlrl�-do Ptl,qi' I' GEOENGINEEHS� <br /> ( .�in:iur;C. 'iiUb <br />