Laserfiche WebLink
,uch :u \1ir;iti 1a111' 1���� ;qq������•�I ci�ui��.dcntl to ��rcccnt tinc �UII �f0111 1111LI:7110L 1010�I1C lIi':IIII Itl011'iIBI. <br /> as shu�cn on Figin�c 3. �I hc �iwling dr:iitt pipc shu�dJ bc ins�allcd al Icas� I R inchcs bclou' ihc lop of�hc <br /> aJjaccnt Ilom� slab. l'hc drain;igc mulcrial shuuld cunsis� ol� �ca;hcd 3;R-inch to No. n pcn gravcl or <br /> `.(iraccl I3;.i•klill f'or Drain.s" per Scction 9-03.1?(4) of�hc ?001; NSDO'I' Standard Spccillcaiions. AVc <br /> rccommcnd Ihat Ihc di.�inpipc consisi of ci�hcn c�a��y-���all sclid �.ipc fSDR-35 PVC. or cquall or rigid <br /> cnn�uu:uc4 smouth inlcrior polyclhylcnc pipc (ADS N-I_', ur cqu;il). AVc a:su rccummcnd ag.iinst using <br /> Ilcaiblc tubing li>r fouiinc drain��ipcs- Thc perimcicr dr;iins chould bc slo�icd �o Jrain by gracily. if <br /> prac�icablc. �u :i suitablc di,.char�c poim. prc�cr.ibly a stunn dr:iin. A1'c rccununcnJ thai ihc cicnnouls bc <br /> coccrcJ, tmd bc placcd in Ilush nwuntcd ulilily bnscs. AV'a�cr collccicd in ruof duon�pout lincs tuust nrn <br /> bc rou�cd to ihc loo�ing drain lincs. <br /> BELOVIi-GRADE WALLS AND RETAINING WALLS <br /> I hc li�llo�t�ins� rccunmicndatiuns should bc usrd fi�r �hc dc>i�n ul'bclu�c-grudc �cnlls Ihat :u'c inlendcd lu <br /> act as rclair.ing �calls and �i�r a�hcr rct;iininc >truclurrs ih;d ;ur uscd In ;ichic�c pradc changcs. <br /> RccununcnJation,, Gm �,cnn;inrni rcwiniuc ��;ill� alnn�� Ihr .uu�h ❑n �i�r �hc a,�res. runJ �i�llu�c Ihi� <br /> sccliun <br /> Design Pararneters <br /> Laict;il c;irlli pressur¢ti fnr dcsign uf Uclo�t'-pradc �calls anJ rrlaining structurcti tihould hc c�aluatcd using <br /> ❑n cyui�;ilcnl Ilwd dcm,ily 'I'35 pcf p�ocidcd Ihat thc �call, ��ill no1 bc reslr:iincd againsl rolalion ��hcn <br /> backlill is pl;iccd. If thr �cnlls �t�ill bc reslr;iincd Ihmi rolaliun. �cc rccommcnd using an cqui�'alcnt tluid <br /> dcnsi�y uf 55 pcl'. N;ills air. ,issumcd to hc resuaincd if tup moccmcnt dw�ing backlillinu is Icss ih;m <br /> IV1000. ��hcrc I I is ihc ��all hciglu. "I'hcsc latcr;d suil pressures �issumc tha� thc �round swfacc hchind thc <br /> ��all is horizonlal. For unresu'ainai ��:dls ��i�h hacklill slopin� up ai '_II:IV. ihc dcsign latcrnl ca�1h <br /> �xcasurc should bc incrcnscd tu SS �ul. tthil� rcslraincd ��alls �cilh a '_II:I V slupinc backlill should bc <br /> dcsicncd usinc an cyui�:ilcut Iluid dcnsih� of 75 ���t: Thcsc I:ucral suil pressures du nol includc thc clicc�s <br /> ol �urchnrecs such as Iluur lunds. �rnllic loads or o�hcr surl:icc loading. �tu'ehargc cffccis should bc <br /> includcd as ;q�propri;itc. Bclo�c-gr.idc �calls lix buildings >hould also indudc scismic cai7h pressures. <br /> Scismic c;ir�h pressures shuuld bc ddcrmincd using a rccl;mgid;u'distrihution of SI I in psl'. �chcrc Il is Ihc <br /> ��all hcieht. <br /> II �chicics can :ipproach ihc �ops ul cs�crior�1'alls lu ��'ithin 12 thc Ill'ILIII ul Ihc ��aIL a u'af�ic surrh;irgc <br /> slwidd hc ;iddcd ;u Ihc �cnll pressurc. Fur car p;ukine an:u. Ihc Iral'�ic tiurch.u��_r can bc approximatcd bc <br /> Ihc cyui�;ilcnl �S'cighl ul an additiuual I ti,ol ol soil b;icklill 1125 p,l I h�hinJ tlic �call. Por dclicciy ulick <br /> parking arc;is and ;icccss dricc�ca.� arcns. ihc Irafiic surdi;ir�c c;ut bc .ippru.eim;ucd by ihc cqui�nlent <br /> ���cichl ul an nJditinnal _' fcet (2SU psl) ul.oil hccklill hrhind �hc ���:�IL Othcr surchargc loadc, such ;ic <br /> lium IiwnJatiun.. cunslniclion cquipmcnL or cunstructiun �ui�inc arcas. .huuld bc cunsidcicd un a <br /> casc-hp-casc h;�sis as shuan on Fieurc 5 Pusiii�r dr;iinagr >huuld bc procidrJ behind bclu�c-cradc �c:dl> <br /> ❑nJ iclaining slruc�ures :is discusscd hdo•,. <br /> 1 hr�c rccommcnd;uiuns ;irc h;isrd un ihc ,issmnpliun �h;it :m� rct:iinine �calls at this projccl �cill bc <br /> �n�n idcd �rilh :idc�.�u;dc Jraina,�c. "fhc �;ilucs liir suil bcaring. Iric�ional rccislancc ;md p;i,sirc rrsislancc <br /> prr>cnted ;ihu��c I��r founda�iun dr,i��n are app!icablr tu reuiining ��ull Jesign. A1'alls lucnicd in Icccl <br /> ci��nnd ,irru, .h�add hc Ihnndcd ;n a Jr��lh „f I S inchrs hcl���� ihr udjaccn� gr;idc. <br /> --- — — -- — -- — <br /> !i�� '.,, . � ,��.��^'.,"� �� PrI�C l� GEOENGINEERS� <br /> J.uno.., l� 'i��r <br />