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1 ele,feille.. C. E 12541 <br /> C M 8hd McRae, (: E 15439 <br /> H. KLEINFELDER & ASSOCIAEES Rirhaelt ° ` E ':"'`, <br /> ♦ ¢ha.n M VvWaryarv. C E 176 71, <br /> CONSULTING SOILS & FOUNDATION ENGINEERS ENGINEERING LABORATORIES <br /> File No. S-2008-1 <br /> January 22 , 1973 <br /> Schmid Development , Inc . <br /> 2949 Randolph Street <br /> Costa Mesa , California 92626 <br /> Attention: Mr. Mike Mensinger <br /> Gentlemen: <br /> SUPPLEMENTARY REPORT <br /> PERCOLATION STUDIES <br /> PROPOSED SUBDIVISION <br /> HAMMER LANE AND HIGHWAY 99 FRONTAGE ROAD <br /> STOCKTON, CALIFORNIA <br /> INTRODUCTION <br /> In this report are presented the results of supplementary <br /> percolation studies performed for the proposed subdivision. <br /> These studies were made at your request and are intended to <br /> supplement the percolation data on the near-surface soils <br /> presented in our report dated December 21, 1972 . <br /> We understand that disposal of sewage effluent in dry <br /> wells or seepage pits , rather than in shallow leach lines , is <br /> being considered. The dry wells or seepage pits would be <br /> approximately 20 to 25-feet deep . The purpose of our supple- <br /> mentary percolation studies has been to evaluate the perco- <br /> lation rate of the soils to a depth of 25 feet . <br /> FIELD STUDIES <br /> Two supplementary borings were drilled in the proposed <br /> sewage effluent disposal area . The approximate boring <br /> } 1 i. K l d; Al.., II I».NIA 15YU', - i Fl_EPHONE 12091 466 2932 <br /> "1" 110 �Nl) I Al 401-NIA 9.!>nl TF1 EF'HONE (209) 2330545 <br /> ..i. ":r:Nim lr-LE PHONE (9 16) 421.2821 <br />