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arry be paatble to re�se t}�eee mateziela 3n"�t meas"on ti�e eate such es]nndxaging We:eooa�atettd followix�g aIl sla�e and lacal bnilding rndes in regsrda to a radon <br /> �- mitlgation pLn beneath intexinr alabs. <br /> Compactlon We nemamnc�d that back6ll plecsd bo ettain s�e gradea be compx,ted to 9S Hdaw Grade Wails <br /> s mi�t�un of 95 peraent of fls aEanderd Prot6or densJty{ASIM D 698),except t!u uppa <br /> 3 feet of pev�art ereae,whe�e tlu c�mpaction level should be hiamaed to a minim� Founditton svaDs ar belrnv gxade(b�een�t}walla wiII have leteral]veds Erom the <br /> of 300 peromt. FtR shoald be phced wittdn 3 Pen'entage Poime above and 1 peaentage surrounding soil transmit�d to th�. 1Le sibe soile are <br /> P�O�nS �9e9 s <br /> point below ils opt�um moisdue co[rtent aa d�.+,��.ui by the etanderd Prachor. All cvmpoeitfon. We rcooa�mmd gawal websproofing of the be3aw gede walb. We <br /> fill should 6e placEd ln ihin KHs md be rnmpacted with a Lrge xS4-proprlled vibfahory recommend dthc pledug drainage mmpoei�against klte becks oE the extedar waDa or <br /> compectnr opetating ia vibratory mode. becMiffi^S'dlaoettt to the walle with eand havmg lese than 50 penomt of the Part}c'{�bY <br /> ���enr r4o��a��s�t�t r�p.�u��y,�C r.�,s <br /> ]n areas where fIIl depti�e witl o�ceed 10 feet we recommend thet coatpactlntt levels 6e the#7DQ eieve. The sand becl�ll�haald be placed wit2dn 2 feet horizontaDy of the waR <br /> inczeaeed lo minim�of 9B penoent of the mabed��le slandard Proctor d�eity. Evpst We�mend the balsnce of tLe baddill tor the walb consist of eand hawever the a�d <br /> wltl�Nte InQeased oompnction levda a cmtst�ucdoa dday may be apptnpriete to dlow auy oon�hi ap 60 20 pQoent of the panlcies bY H'e18fit P�emB the MT00 aieve. <br /> far poat conetruc.tioa aettlm�t of the fill meae. <br /> �Y�Y be osed 6o make np the balence of @�e wall beckh7l. How�eva cv��olidKton of <br /> Ff�end beckAIl plaaed on aIopea must be'bmched"inrin the nnderlying euimble sa16o die clay under ile own weight can be expeded bo cont@me even after conetructian If na <br /> reduce the pobmdal(ar slip plenes io devebp between the HIl enA nndedyfig�oil. We axommodeted for,�as snppo�ted an the clsy backfill could xltle an(avorablg or <br /> reoommena"benct�ix,g"or excevam,g inro the alope at s feec v�ticel incervsLs tn key Uie ve a�,eged. <br /> All fnbo Hu sIope. We remmmend ench bmch be a mhdmvm of 10 fcet wide. <br /> We recommaid 1�h113ng drain Hk belund the below grade wells sdJa�nt to the rvall <br /> Foondadona We reco�m�d the pa�Lt►e�foofln�bear a mininuim of 42 ind� footfng md bdoa the eleb elevatian. PRferably the dtain ti!e ahould con�dat of <br /> belmv the extedor gmde for Erast proroecdOn. In6uior footinga may be plaoed P��PjPe embedded'm gravd. A geolactIIe fflev fnbrle ahould mcaee the pdpe <br /> immedia6ety belaw die siab p�ovided const�ucHon does not aacur dwing below fr�►g �d graveL The draln tIIe ahwild be ro¢eed to a etorm aesve s+�P P°dLP or otba <br /> weatber mnditivn�. Frnmdatian elem�tis in m�heeted ernae should bear at leaet 5 feet aulFable dtaposal�. <br /> bdow exberior�ade for frost pTobectlon. <br /> Active eat16 prmsuiea�t be oeed to design the beluw grade walla ff the walls m <br /> We az�spebe the foundatlons and Boot alebe wiD besr on aompacled�gfneered fID ar aDosved to rotabe eIigfitly. If well rotatiott cennat be roolva6ed thgt below grade waD <br /> nattveglacialeolle. d�ign ehould be baeed am ai-rest eartlt preasurea. We re�omme�d eodl paxmo4e6ete <br /> (otmd below at Table 3,be uaed fo:helow geede/retatr�i�wall deeign. These deaign <br /> W1th the masa grading and/or aadl comeHons oomplebed as�cammended,it ie our pareme.ias are based on the aesumptions fh�the waUe aze dreine�L thae am no <br /> opininn the footiRga can he des[gned for a net allawable bearhtg preaeune uP to Z,000 psf. surdurge loads within e horlmnta!dietance equal to the�e3gk�t af ti�waD md the <br /> LeckHll is leve]. <br /> 4.4 Iabe�a�Slabs <br /> Table 3.Soll Puamdas <br /> 77�e mtldpated floor eubgrade ie panukr 8U m�er compacbed naHve g14ds1 eo�e. R k &stlmabed Hetlmeted At-Reet Aclive Soll Peeefve Soil <br /> our optnion a modulus of eabgrede xescEtauL 14 d 20D pamds Pa equare�ch ot Lhtit Wdgt�t Prktfaa�Ang2e Pxesst�e P�ue Prneaum <br /> deElectia¢i(Pst)may be aeed m d�flu floor. So1'I�e _SpcE� _ deBxeeg (pcf�___ _(� <br /> Qa 185 28 '7(f 50 3'75 <br /> If floo�caverit�ga a�maUnge le�e pecn�ble t3mn tlie caiaehe�lab wlll be ueed,we Sand 1?5 32 6p ---40 �06 <br /> :ecommand that a vapar neterda or vapa�berrkr be placed immedfetely ba�eeth the <br /> slab. Some oo�e�mn prefer to bury the vapor bezrier or vapor relarder bEneath a laye� Resism�ce to]at�al errti�preae�ies wiA be PI'°�'�ded bY Paeaive.'"`+m'^.���We <br /> of eand to�educe curIing and shrinkage,but tfils practloe o�ten uapa wata betwem the weIl foodngs and by aUdtng reelemnce along t�e botDom of the wall fooUnge. We <br /> slab and vapor retarder or barr�a. Regerdle�of where the vapor te�axdtr or vapor 2ecaam�e�d s sliding eoeFt��t of 0.35.TMe valne dces not include a fec6o�of eafety, <br /> berriQ fe pleced,we recomme�d�c�anith�g the Aoor covedng manufactaxer regazding <br /> the approprLle type nx aatd i�mtallatlon of the vapor reh►rder oc vapor barr'ter to <br /> P����Y. <br /> B 9 <br />