Laserfiche WebLink
July 21, 2014 <br /> Two Single-Family residences <br /> L&A Job No. 14-065 <br /> Page 5 <br /> eroded, and may slough and redeposit to a flatter inclination. Natural slopes or man-made <br /> cuts in advance outwash deposits can remain stable for an extended period of time if <br /> properly and adequately drained. If remain undisturbed and properly drained the <br /> underlying fresh advance outwash soil can providc good foundatian support with little <br /> serilement expected for light to moderately heavy structures. <br /> SOIL CONDITION <br /> Subsurface conditions of the site were explored with three test pits. The test pits were <br /> excavated on June 30, 2014, with a tract-mounted backhoe to depths from 9.0 to 9.5 feet. <br /> The appro�cimate locations of the test pits are shown on Plate 2 - Site and Exploration <br /> Location Plan. The test pits were located with either a tape measure or by visual <br /> reference to existing topographic features in the field and on the topographic survey map, <br /> and their locations should be considered only as accurate to the measuring method used. <br /> A geotechnical engineer from our office was present during subsurface exploration, <br /> examined the soil and geologic conditions encountered, and completed logs of the test <br /> pits. Soil samples obtained from each soil layer in the test pits were visually classified in <br /> gencral accordance with United Soil Classification System, a copy of which is presented <br /> on Plate 3. Detailed descriptions of soil layers encountered during site exploration are <br /> presented in test pit logs on Plates 4 and 5. <br /> Test Pit 1, located near the southeast corner area on the toe of the hillside encountered a <br /> layer of topsoil and/or disturbed soil of loose, organic, silty fine sand, about 2.1 feet thick. <br /> Underlying this layer of topsoil/disturbed soi] is a layer of weathered soil of light-brown <br /> LIU & ASSOCIAT�S, INC. <br />