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�l{C E ANO TECHNOLOQY comm. <br /> v <br /> r�Y BORING N0. HP-o^ <br /> " LOG OF BORING SHEET 1 of 1 <br /> CLIENT <br /> EBMUD !%ATION <br /> PROJECT NC. <br /> rvice Center 40429.300 <br /> PROJECT LOCATION COORDINATES (DATUMI TOTAL DEPTH OATE START <br /> Stockton. California Not Surveyed Surveyed (msll 12.5 FEET 0g/Q7/93 <br /> SURFACE CONDITIONS <br /> Concrete LOGGE❑ 8Y DATE F;N15; <br /> S. Martin 09/07/93 <br /> SAMPLING CHECKED BY APPROVED BY <br /> w wcc U11cn w¢ M. McClain E. Meyer <br /> ✓Lor w w 3-' ' w <br /> zr mac, y2 o'> <br /> a� 4� snW ivz ..�? zo <br /> U, [n z w Uj <br /> m s W d <br /> L_ } _j <br /> CORING z ~ U <br /> Ir x s �� z CLASSIFICATION OF MATERIAL REMARKS <br /> zCL <br /> �N �m L,LO ;m LU Q7 W� G ~ Z Q <br /> in �� ¢z ccs ¢o =o a � Q CL <br /> _ w, ¢ ¢ d C-3 Ow c!7 L7 <br /> CB 1 2.5* Concrete. Boring advanced with <br /> t SAND. O.D., 4 1/4" 1.0. houoN <br /> CLAY; dark brown to black; high stem auger; samples ^ <br /> L, 2.5' 2 plasticity; moist. collected using 2.. <br /> continuous barrel <br /> Ca 25' 3 Grading olive gray. sampler. <br /> 4 <br /> 5 Silty CLAY; yellowish-brown to I ght gray, <br /> low plasticity. moist. <br /> . 6 <br /> LW 7.S' 7 <br /> CB 3 4' 8 Grading olive brawn to black. <br /> 1.. g <br /> `L 10 <br /> 11.5' 11 <br /> 4 <br /> CS 4 12.S' 1' 12 <br /> 13 Bottom of boring at 12. <br /> s. Hydro Puricti 11 <br /> 1r 14 SaSample from 12 5*-16.c'. <br /> Backfilled Sorin❑ with <br /> 35 cement-bentonite grout. <br /> Upper 6" consistec of 2'. <br /> 18 2' concrete mix with <br /> rebar and screen mesn. <br /> 17 <br /> 18 — <br /> LO <br /> 19 <br /> - 20 <br /> 21- <br /> 22 <br /> 1.. 23 <br /> 24 <br /> Lo 25 <br /> 28 <br /> 27 <br /> 28 <br /> 29 <br /> 6r <br />