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f <br /> \�xll �7. 3UIFK <br /> \1r. „�lichxl hcrr <br /> L��:� J��h V'n. �:AU�17 <br /> i�:�t� a <br /> hc cut ink, drmr i�, �rn-drn•r Irr.h till ���il. ea��ahlc ul�rrndrnm_ an :ill����ahln c�aring ��rr,.urc <br /> uf at Icasl i.1100 psl�. un.l shutdd hc Ircc uf lousc Jitilunc�d soils ur slanding �catci Jin'ing �t.ill <br /> in�u�llation. 'I hc kr��cac trcnch shoulJ bc at Icast ld inchcs dccn c�lu�� thr linish grsJc in I���nl <br /> oi'thc hlnck ��;dl. I hc kcc��o� trcnch sh��uld hc �cidc cnough st�ch that �hc hccl ��(thr cut bchinJ <br /> Ihc kc��c:ic trcnch tihuuld hr �d Iratit I '_ inchrs linm Ihr hacl. uf;hc r„nrrr�c hl„cks. <br /> fhc amcrctc hloc6� .h�,id�l hr ,t:ickrJ IiLhtl� ��ith „nr ;in�,ihcr. lhr I,I�,rk> �,(ihr cach rowsr <br /> should b� scl buck li'unt ihc hli�ck. �.ri�i��c nnir.c hclu�� ,nrh ih;ii Ihr �:icc ���thc ��:dl hr iill h;ick <br /> �u ,i �I�q�c n�r >icr�,�r ihan 1 I I:I u\'. <br /> I)ILU\Ai:i: ('O\'I ROI. <br /> � drain linr shoul�l hc I:iiJ in thr I,r���;i� Ircnch hchinJ thc h;i>r-cuursc cancrctr hlocks t„ a,llccl <br /> ,mJ drain a��ac �,ulrnlial gruund��;ucr ilo��ing ro�rarJs Ihr ��all. I hc drain linc shoidd consist ol' <br /> ;i �l-inch-minimum. �icr�ivalcd. rigid. I'VC' �iipc �x sloUcd. rorru�alcJ AUS pipc. ��rappcd in .i <br /> la,rr nf nun-�cocrn lillrr luhric .md cncluscd in lirc-�Ir:1111111L LI'Jnui.ir soils or crushrd rack. lhc <br /> ho�t�,m of ihr krc�ca� u•cnch ;ind thc drain linc shiwld ha�c sullicirnt slapc to gcnrratc Ilo�c hc <br /> �ra�ilc. \1:drr collrrtcd in �hr dr:�in linr ;h�xdd hc Ii�htlincJ I�, Ji,ch;ucr int„ a st�,nn �c��cr ur <br /> ,i wit,ihlc .�ti�rtm�;itrr Ji.����s:il larilih. <br /> �1:U,1. 1{A('KI�II,I. <br /> l hc concrctr hlock �call .hi,uld hr harklillcJ ��ith suuctural lill fr��-dr:iinin� �ranular suil or <br /> 7!8-inch-minus cru�hcd ruck. cscc��t Ihr ky, I? inchrs ��hich ma� consi�t ol cican on-siic snil,. <br /> l hr slructur.il lill �huul�l hc �ilacrd in litls no morc th:m 10 inchrs thic!:. ��ith cach lili ci,mp.ictcd <br /> i�, :i n�m-cirldim� ,I,uc ��ith .i �ihr.uon mcrhunical c�nnpacior. <br /> i.iu �c As�c�ciATrs, �Nc. <br />