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<br /> I�h�� unsitc soils in ihc d�:��clnpmrnt a�ia h�i��c .i niodcr,dc <�ru�iun �ntcnii;il dur ti� th�� slu�,c nl ihc
<br /> t���mi�raphy. "I hc rrc,per usc o(.,hcst managcmcnt practiccs" Ii\il', :<h��ui�l h� u,:,I .liu in�,�
<br /> �Ic��clopmcnt of thc residcnccs to minimizc thc potcntial for crosiun and �cdimcn_ �,�.u::;����rt. l h�
<br /> f oll����•ing is a pariial list of BMYs that should bc implemcnic�3.
<br /> • Rock construction entrancc
<br /> • 5ilt lencc across thc wcst sidc of lhc cicaring arca
<br /> • Kccping:ill cxposcd soils covcrt�d whcn nol activcl, �+�,i kc�l
<br /> • Schedtding c:trth work activitics durin�dry condili�ms
<br /> • Iislablish lcnt�rary%permancn� �����ciati„n :�s �.rnm :�s �,n"inlc ;�t;�, r i��ur�ia�i��n
<br /> installtition and utiliry hook-u�,.
<br /> \�-iii� proper implcmcntation of best m[in;�gcnunl ��r.�c�iccs ;in�1 crmmnn scn�:r f i.r. d<rn � starl
<br /> r�;cav�itingthc found;ili�m in Ilic niiddlr ;� li�rrca�acd I:u;,c iain c�cnt�. ihc ��n�perl}� in;i�' hc
<br /> I�C�C�0�1Cd Wll�ll�lli �IIIII1�li:Illl '.�i�.��.1�111 i'i" hCt�lI11CIlI 1(-;�I'.`���tfl. �
<br /> ticismic lia�:ir�i
<br /> Gcncrally, thcro .iro li�ur Iyi��s ul pui�nti:il gc��lugic h:�r uJs :issociatai ��ith lar�� >„i�,n,ir
<br /> c�cnls; 1)surficial gmund rupture; 2)scis:nically induccd landslidcs; 3) liyuctacti�m: ;�n�l •,1
<br /> ��n�und molion. 'l7ie potcntial for each of thesc to impact tlic site is discusscd bcl����
<br /> lhc site w:�s not underlain by a known fault zone. Fault zones in the Vuget 5ound rr��.i�m :in�
<br /> currenlly being studicd by the Uniled Statcs Geologica� Service (USCiS) and liavc hccn
<br /> Jricnnincd to bc activc and capable of producing largc caithyual:cs. Much is still to be Icarnr�I
<br /> :ih�,ut thcse lault systems but it is generally hypothesizcd thal thcir rccurrcncc interval is sr�rrnl
<br /> ih�,us;md ycars. lluc to thc suspcctcd long recurrcncc intcrval a�id thc unccrtainty of whcrc lhc.
<br /> nrxi surtacc n�pturc may occur, thc potcnlial tix surficial gmund rupWre is cnnsidcrcd tn br
<br /> un�,rcdictablc and no rnitigation is possiblc or nccess:uy.
<br /> I )uc t�� !hc I;icF�. uf.id��cr�c �trnun�i wa�cr conditiuns and the hi�th intcm,il strcn!+,th of thc d�nsc
<br /> ;i�1�;inc r „un+�,c:h r-��1�ui�n�ti �ci�hin ih�� �>I���,c, thr risk ��f a rn[�itiun;il I.�n�lsli�lc i. runtii�Icrcd to h�.
<br /> !�,��:
<br /> I l.i,;�,l ��r. �li�� ,I�•n<r r�iuJiti<,n ��f ihc �,c,iiuicnt� rnr�,unl�rcd in uin r�pl�,ratiun pits an�t thr Ia�:6
<br /> u1 ;«lvcrsc gruund �vatcr conditions, il is our upinion that tho risk ol�liqucfaclion on this :aitc is
<br /> I��w.
<br /> tirismic ha�.zrds lhat will alTect U�e house will be duc to the intensity and duration of the gr��und
<br /> ,:�:�king. Based on the encountercd stratignphy, strucwr:il design of tlic prqjcct should bc
<br /> �„nsi:Icnl �vith 20l13 /nh°rnnlrnnn113nrlrlin�� C'ndc (113(') guidclincs. In accordancc with '1',ihlc
<br /> 1 i,i � i . I ��f Il:c _ul l� ll)t', ti�r �iil,jcct >it� �,cu��ld hr cl;�ssi�ir�i ,i, :;itr ( �I;i�� ('.
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<br /> I4(it '. ��II� I�1:C�; �_'il�)'�° :At�cuur NI'_ AVtii��iin�'illr. Al'.n '�'i077 (4�i) 213-SO(i2 �� � �
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