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�4�
<br /> FaPe Three
<br /> cat�on� re.ir the propoeed fuundation, and at key points zlons
<br /> the slope. Strati�raphy encountered was log�ed by the soile
<br /> gaologist.
<br /> Conclusiona ar.d Recommendstions�
<br /> If prading and related aite preparKtion i3 t.o procaeL during
<br /> the wet season, it is recommended t,h�t the :suriar..e v:ate� run-
<br /> off which entera the prcpos�C Lui]dln� aite `ro� t�,e no:th be
<br /> temporarily diverted atvay f.rn thu woi�A ind i'ace ul' tlic excava-
<br /> ticn into the fill bank and naliv9 soi:.- elong t;,r out line.
<br /> Thc drainage to be tempor.,r, il•• d3vei• Lecl ;. ccl:awn on tra attach-
<br /> ed topo„raphic map, and in phuto "P" . InUerca-�tion and diversio
<br /> o; this surfac? runoff eho��lu �r acanmplienedtby the installat-
<br /> ion of a shallow di.tch alang t'• e .�p�-er terrar,e wY.ich conveys
<br /> rater to a nni�;, thirty feet east o, the pro��sed i�ort!�past
<br /> ruildin� corner. This ditch ehnu�d not excaed 1Rinr.hao Sn depth
<br /> to prevPnt fur.ther eaturation of e.,Lsoils> A natural basin �cc-
<br /> ure beloH the pro;�osed ditch out.'. n',, providing e euitable r.�ae
<br /> Sor ei.3tation contro�.. Siltetion cor�t,rol may be augmo„ted with
<br /> straw bsles or ftlter SEr:ce if reqLi^Pr� Ly the engi.r.uer �c the
<br /> apprcpriate Cit�• of nve:�:tt ac;e�acy,
<br /> The prorosed cut '..ank elon� t),� norttierr� e��e of the pru��osed
<br /> buildir.t� site can be exp�cted to contaia moderate AP",•)lult8 of
<br /> percher. v;eter durinp, tha wi.nter months (See soil lo��, � and 2) ,
<br /> Soil curroundinp this per�;�ed wat�r. war found to b� muttled in
<br /> the ctrata overlyin� the 't;l.i , ;ndicai;i7� tha+, dry c�ndltione
<br /> rroba'�ly occur in thie s��.l during the �i�.mmer, Er..A•�Ytion along
<br /> the proposed cut linc• can t�e expected to resvlt in elou€hing
<br /> of the soi] and sluri�y for•��at:'.�n to a �:epth of � to t? feet loca-
<br /> lly if Perfor.r.ed during �;.e wet, seasun, hov+ever it is not antic-
<br /> � ipatecJ that b; acin� will ha necAe4ary.
<br /> Des3.E,� for a retaininp. �Nall alone the abovv mentioned cut should
<br /> take into account tha', prrper drainapP muat be achieved and
<br /> maintained to prevent exc�sQeve soil t�reseures from deceloping.
<br /> The upper � to !� feet c•f ��il can b� �:,*,�,;;ted to be the moet
<br /> mobile vihen eaturatea, and additlonu yorad•� may be appl '.ed due
<br /> to vehicular traffic and vibr•ations n�ar •;�u cut. Set iement
<br /> s•t the base of tite w�ll is r.:+t experta�i ,;�ie to the pretiance of
<br /> r_or�solii eted ti21 st this de�.':h. :. :,,:� �ested backdrair� for this
<br /> w211 vro.::.�9 employ 3 ,"11ter :'nLria lL.1ra.fi 1405 ^r oqur�l) placed
<br /> a}on�; ti,E cut ba��k, rs,� i�ar,kfill � '.r�E� :: ireely 6s.�inin� r.�EreE-
<br /> a .e, A minimvm an61e of r�pose :'v� Lhe u;par eoils c�,i t e cafel
<br /> �.ssumei, not to exceed 40 degreec w;,en frr a].y drained, 'Pbe till
<br /> cah be �xpe ��ted to etan9 at a rear •vertical angle,
<br /> Com�entional spread fo�ti:,gs aK pioposed by the engineer will
<br /> encounter safe bearin�; soil at a de,,6n eqti•al +o or excr.eding
<br /> tvio feet into the nntive soil: at a11 - ^opos.�d locQt.,on3 except
<br /> I over t7�e peaty muck deposit e: ..,,,.,�tered at the southeaet corner
<br /> of the proposed building site,
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<br /> ` EANTN AMICYS/S
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