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� �� <br /> ' ` - • � • � � �. cu 1 Cl. F1 a. uN51Jl 1 qN T 5 P . 02 <br /> Loy9�r 6�rv1c• i Supply� 61�kun. Inc. JN l9t75 <br /> May 23� 198i Pap• 2 <br /> th• atructur• �nd at�b on daep foundetions sush �s dritl pt�rr, <br /> or p� :�s. The constructlon of th• toundations on th• �xlatinp <br /> sotis coutd r�sult 1n unecceptebl� dlff�r�nt1�1 settl�ment. <br /> Mh11� th� so! 1• hev s�ttl�d unCer th�1r own N�19ht, th� <br /> addition ot new buildinp loeds cou1C cause settlement to <br /> ocCu�. Th1a t�ttt�ment cou1C b� on Lh• orC�r of thr�• or ♦our <br /> tncha�. <br /> �ONVENTIONAL FOUNDATION3 <br /> For constructlon of ths bu11d1np usinp conv�ntlonel techntQu�s <br /> th• �xistinp fi11s end p�et undarnaath the filt ahould Da <br /> removed and r�pleced wlth •tructur�l fill . Th� •xc�vated <br /> mat�rl�ls ahould Ds remov�d from Lh• sit� end dtspoa�d 1n � <br /> suitebl• menner at an approv�C location. 6tructur�l f111 <br /> would need to b� lmported so11s. Th1c mat�rial should be non- <br /> � orpantt, contain no elay, and hsve • moistur• content suitable <br /> tor compection. Ideslly, ssnd �nd pr�vet shoutd bs use4 for <br /> structural f111 , however oth�r compactebl• •011• ar• <br /> �cc�ptebl�. The structur�l ti11 should extend beyond the <br /> bulldinp 17mits an �mount •qual to ths fi11 undern�eth th• <br /> bu11d1np toundatlons. <br /> it is likaly that proundwater w111 b• •ncount�r�d �t the <br /> lnterf�ce betNeen the peat and underlyinp s11t so11s. Thts <br /> water ahould bs chennel�d �wsy from th• site by dippinp � <br /> ditch on �tha uphill side of the eRcavetion. <br /> Th• initt�l 11tt of till should be •bout one f�oi thlck ��id <br /> compect�d to 80 percent of ineximum density. Abov� thls <br /> 1nit1�1 111t, Lhe 11fts should be ebout •lpht lnches in <br /> thickneis �nd should be compacted to 95 perc�nt of the mextmum <br /> denatty et determined by the ASTM D-1557 compectlon test <br /> methcds. T�sta chould bs tnk�n 1n ench 11ft of th• fitl to <br /> •nsur� thet compaction is •chiQved. Geotech Consultents, Inc. <br /> ehould observe the excnvation prior to placoment of fi11 end <br /> Lest ths metorial as it 1s beinq placed to see thet structural <br /> fi11 1s p�operly compecteC. <br /> The buildinp cnn be conctructsd es desipned With an �1lowabl• <br /> • bearinp tapacity of 2 ,000 pounds per squere foot. <br /> pRILIED PIERS <br /> Dr111od piera nra another alternetiv� for oupportinp the <br /> " foundatton. Dr111 plero should penetrats the till •otls into <br /> GE07'F.CH DONSULTAN7'S, INC. <br /> l_ <br />