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_ ,.,,,� <br /> � ' <br /> ', ' � <br /> � <br /> � <br /> l <br /> ���' ��� � � � <br /> � Pa e Pcur <br /> ���+ rield Inves�igation: <br /> ��� - Our £ield inve;tigation of the site �vas conducted betweer 11- <br /> t� 12 and 12-1°-i991, and ccnsisted o: the following �•+er'r,: <br /> 1) A brief regional ir.vesti�ation or the site and vicinity <br /> �� w2s condi�cted to determine soils and draina�e conhitions <br /> �p� as exposed. <br /> D• <br /> �er+ 2) A transit, tape 2nd stadia baseline survey was conducted <br /> �''� to establish relevant lecations snd elevations. ihese 2re <br /> �' showri o:, the attached site o12n shovring test pit locatio^ . <br /> N <br /> �G0 3) Topographic contotirs v+ere established at five foot inter- <br /> vals, using tap�, �tadia rod and hand level methods. <br /> �� 4) Threa test pits were °ug and lc��ed at relevant lncations <br /> along ''he edee of the embankreent, and post hole dir�-er ar. <br /> nrobe ^�ethods were used to determine soils and density <br /> �lcng the bzse of the slope. <br /> I j) Additional investigatien of site history was performed, <br /> by ebtainin�: conracticn fiel.d reperts, survey data and <br /> a oreliminary �radir.g plan. P,elevant portions of this <br /> material h2s been incor_r.orated into this reoort. <br /> I C'> Site Geology: <br /> 1� � Test pi.ts, cut bar.rs for road�aay ar.� adjacent exposu:es indic <br /> ,_�) ate tii� follo�e'in� depositional seou<_nce : <br /> I �"� 1) ?ne site apnears to be Lmderlain by a moderatel-y co^nact <br /> te cempac+, eeouence ef outvrash loaray sand and gr2vel. <br /> i �� 2) :oll �vrinf the denosition of the sar.d 2r.d gravel. nr.i.t, a <br /> ( ��+� �lacial advar.ce depos`_ted �3 ?zy9Y' of lode_e;�er,t till. and <br /> zblatior. moraine (as exposed in tiie cut i:o t]Ze south of <br /> the naxcels) . <br /> �� 3) Followine �e�-laciatior., crustal rebennd raised this str�t^ <br /> ` for the cur:snt erosional c}�cle. <br /> �1,= 4) The sites e�ere rra9ed, and structural £ill w2s placed. <br /> �I ihe lack of ox�daticn 2nd ��eathered clasts in the er.count=re�'- I <br /> -lacial materials in�'icate that the� were laid down durin� tnc� <br /> �� (_� 'lashon Stac�e of ti�e Fraser Glaciation. I <br /> Slope St2bi'ity: <br /> i<o unstable s�rat`_��raphic relationships, srrir.�s or seens vrer <br /> rncountered alor� the si:?eslope adjacent to the site. ':here <br /> is sem� roter,tial i'or r�.o�•e�„ent of a sttallev: mantla c� soil <br /> EAFTH AN,lLYS/S J <br /> I <br /> I � . <br />