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_ s _ �..4 ,w - f� '"f•���: -�'��-'"�'i��� � "_< N v��'���...xn41;, a,': <br /> 4 1 <br /> 2701 Cottage Way, to 1 <br /> Wm. J. Hunter & Associates Sacramento, CA 95825 <br /> igistered Geologists (916)972.7941 <br /> retroleum & Mineral Appraisers <br /> 1?;`. l:ic:l:;ii'cl 'F1)c,r'pt:, l�ter:ridt;rtt <br /> 7i.rn 'l't:orl�n <br /> 011 f;u)nf,ai)y <br /> 57 <br /> Lodi, CA 952.11 <br /> ia:: fa:<tr.dLrn;e*it of I;?L' ,11 r,f!ry I9u::it,nria } llel ]a <br /> i)uar I7r. or.pe <br /> F;w: 1,e1" y ilrl' 1'£LlrtC5t, i 1,�)vr rt:vje_ec4 tkrEr l,i'alsnsecl al,atrclun- <br /> nic:rt <br /> uf tlit' t l)ree n3o)ti.tux i); 1;j-i la an31 tl,e: )nethcds proposed <br /> Lo l)f! u,:eci. <br /> It is fny opinian that{: fill'inct clic' inke.ric3r of the; 2 inch PVC <br /> pini and perEcrated li):er will: r1 cen,elit:-�a):d grout frons the <br /> l30i:tC:f1r of the holes to the Sill,f•rco shc:uld constitute <br /> :'.11 j.j:3.t;).�S lr: brutecti on of the gri)Und watt-r from possible <br /> se ep�tJEr aticl/or chzinnelinct of WZLtc:a- from above. Soma sinal l <br /> Zcl3litional ; t)rk might be appropriate is is suggested below <br /> heI'e17). <br /> l i1 t, it sliould ire rernen,bered that tl)c: etil:ire winery area <br /> tbra.r[ tiler ground water table consists pr.in)arily of <br /> permc,al,l e [:and:; u:ici si lty sands vrit:h only an occasional v <br /> st:rea}; of less permeable clay. This means that water can <br /> l,ercolate frons tile= surfacr� ciuwnraarcl to the wator table in <br /> any area; therofcre, celnel:tilIg of the monitoring wells can <br /> -tcccmf,lish only one thing, i:llat i5 tile preveltt:ion of <br /> ­11ailne l illy a l ung thc well bores . <br /> }sl 1 e hree muni torir)g :re; i< <br /> wore grcnrted f ro"n the top of they <br /> 1>�.rLu�ate i i)iterval to the `surface by Groundwater '1 echnology <br /> Inc. when tiieay originally installed 1:11a wells. The driilirig <br /> legs and cuuri:lctiott n)c:tl'iotls ,al:r.- attacl-:ed. I'l'te cement grout: <br /> cut_siclr: life 2 i.-ch pV(. pipe .9hould constitute a good seal <br /> ,�r:ctlnd. the well bores. "There r,i)t :aevor beguarantee that a <br /> a <br /> ;sE:al exists, l)jlt w1)en mood etigine'.ering practices have been <br /> followed and no r,easo• � m <br /> - exists to ubt sae, a reasonable <br /> (:oriclusion is that thu bore anrlttlus hits been <br /> Sealed and that a contplet:e seal can ),o accomplished by <br /> filling thfr pipe iriteri oz` with grout. <br /> The vrit:er has inspected t!-e bure hole condition of all <br /> three wells while doing previous w0z"k- <br /> - ]:,.....the...westerly .lcrc.s{i_gn, L€re cen;e)a grout _._. <br /> �lteath can be ween. Thiswell vas Bent hear the sttrface..by- <br /> earthmoving <br /> yearthproving egtti.prnent and the 11Ppc:1: foot or so of the grout <br /> could hu c:"ac};eels therefore i 1. i s reccerarended that the wel l <br /> head. be du.g out about l-wo f:ect deep and that it ]1c capped <br /> with grout when the interior of U10' ?, inch pipe is being <br /> Plugged. . <br />