Laserfiche WebLink
3 i� I • _ _ _ _l <br /> GeoCgica(Z"echnics Inc. f <br /> Lc; <br /> # Project:Name BC&D Properties Borehole No. MW-4 Page--!— of 1 <br /> L Project No. 8.1.2 Date 10/14/92 C <br /> ontractor sterberg & Stewart Inc. Lic. 446670 <br /> Area & Coun Trac San Joa Jin , <br /> �' Drilling Method_ Hollow Stem Auger 6.25' ID <br /> Field Geo/Eng Timothy McDonald Elevation of Measuring Point 100.40'at plane - <br /> Tot. Dep: 22' Tot.Casing Dep. 22' Annular Seal-- 7-6' _ <br /> Filter Pack 22-7' Grout— 6-0' <br /> Borehole Dia.10.25" Casing Dia. 2.0" Screened Interval 22-7' slot size 0.020'W ater Level =13.0' <br /> w � a <br /> � <br /> O 6 G F- a3 0 p a u, oo oopp C Description Remarks <br /> Cn VS U U lV d' D a0 <br /> 0 Topsoil <br /> E' <br /> E <br /> 4 Sand yellow brown (10Y5/6),very fine to <br /> 1 sw medium grained, poor sorting, root tubes,dry, OVM 3.5 <br /> 0 s <br /> '~- - -•_- _ well graded <br /> ...................... <br /> � <br /> Clay-observedfromcuttings <br /> -------------------------------- <br /> -10 <br /> - - - - . .- Slit <br /> olive brown- awn <br /> _._._ 2.5Y413 contains a very <br /> fine <br /> cn ( <br /> ) <br /> 0 <br /> r . . rY <br /> --_= OVM 2.5 <br /> 2 sand with <br /> medium grains,clay matrix <br /> ML 9 Y <br /> Q - 2- CD_ a - - _ =" semiplastic, root tubes, moist__ ____ _ __ �m <br /> iiirrr ...m.zr_ --- -- ---- --- i <br /> _._._ <br /> - Slit olive brow <br /> 2 . . n 2.5Y I <br /> 4 3 as above wet, very <br /> u� rY <br /> z <br /> 3 o CL plastic OVM 2.0 Sz <br /> g _- - <br /> --- --`� <br /> -------- <br /> ppm <br /> ---- --------------------------------- <br /> Ln <br /> Sift-light olive brown(2.5Y514), as above,firm, <br /> 15 <br /> 4 s -_- - - MLmoist, increased amount of sand, clay matrix, OVM 2.0 <br /> --- c- 4--3 i= ' __- - semi plastic --- - ppm <br /> n? a _ - Clayey Sift-light yellow brown [2.5Y6/4), moist, <br /> 5 �- CL ver�r plastic, soft - M 2.0 i <br /> s -_._ �- Clayey Silt - ------------------- m <br /> - YY <br /> -as above <br /> CL <br /> 20 -- s--- - - _ - -- -------- ----------------------- <br /> Drillers missed interval <br /> 7 n/a n/a <br /> ---- --------------------------------- <br /> 25 -- --------------------------------25 M <br /> I <br /> . M <br /> t <br /> 30 = 3 G <br /> Nates: -Sample sent to Laboratory. <br /> =Collection interval for laboratory sample. <br /> Q <br /> =Static water level <br /> mv3/92 Drawn 11/27/92 <br />