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1.�.+ -► APR 01. '92.10:59 '<LE I NFELDER SKTN 457 P02 <br /> .,,. <br /> File No. 20-1036-92 <br /> March 26, 1992 <br /> Thomas Shepherd <br /> C/o Neumiller and Beardslee <br /> 509 West Weber Avenue <br /> Stockton, CA 95202 <br /> Subject: SUMMARY OF OBSERVATIONS <br /> 8421 NORTH HELEN LANE <br /> STOCRTONO CALIFORNIA 95212 <br /> Dear Mr. Shepherd: <br /> On March 23 , 1992, a representative of our firm visted to the <br /> residence at 8421 North Helen Lane in Stockton, California. The <br /> purpose of the visit was to visually log the soil types <br /> encountered in a backhoe test pit that had been previously <br /> excavated at the direction of Mr. Stan Oshida of Siegfried and <br /> Associates. The test pit was located in the backyard area. <br /> Our representative logged the soil types as follows. The first <br /> six inches consisted of dark brown clayey sandy silt, topsoil <br /> planted with lawn. Beneath the topsoil was approximately 3' feet <br /> of light brown slightly clayey sandy silt, with lenses of light <br /> brown silty clayey sandy silt. We note that the test pit was <br /> oriented approximately in a north/south direction, and the test <br /> pit intercepted a zone of very coarse gravel or small cobbles on <br /> the south end at approximately the 4- foot depth. This gravel <br /> appeared to be the remains of a pre-existing leach line. From <br /> approximately 4 to 7 feet in depth the soil consisted of a brown <br /> sandy clayey silt which was underlain at 7 feet by a light brown <br /> slightly clayey sandy silt to the depth explored of approximately <br /> 8 feet. <br /> A wooded lawn area containing fruit trees, grape vines and pine <br /> trees surrounded the test pit. This general area was located to <br /> the east of a large orchard. <br /> Plate I is a graphical representation of the test pit and the <br /> soils encountered. <br /> Copyright 1992 Kleinfelder, Inc. , <br />