Laserfiche WebLink
Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> Project No.4669 Boring/Well No. MW-3 Well Installed: 2" dia. Sch 40 PVC <br /> Client: M&M Builders Date Drilled: Aug. 28, 2001 Total Depth: 25' Casing Depth: 25' <br /> Location: 8111 E. 11th St., Tracy, CA Logger: CMP Screen Length and Size: 15' of 0.020" <br /> Drilling Method: 8" OD Hollowstem Auger Top of Sand Pack: 8' Sand Size: 2/12 <br /> Permit: PHS/EHD #0026404 Top Bentonite: 7' Cement Grout Seal: 7' to 0.5' <br /> Water Levels: 1 st Enc: 11.0' @11:40 Static: Surface vault box; Casing Elev. 46.01' MSL <br /> m <br /> Sample Blow a Depth Borehole <br /> No. OV Count cn (ft) Lithology Log Completion <br /> CL - Gravelly CLAY, dark brown 10YR5/7, low plasticity, stiff, <br /> damp. <br /> ®s"3"' push 5 Same as above, damp. <br /> CL - Sandy CLAY, stained gray green, slight odor, low plasticity, <br /> MW-3-11 f. sand<10%, massive, caliche?, stiff, damp. <br /> ®10' 1 1 10 <br /> SC - Clayey SAND, stained gray green, low plasticity, massive, <br /> f. sand 60-70%, clay 30-40%, loose-med. dense, saturated. <br /> MW-3- push SP - SAND, olive 5Y4/3, f. sand 95%, massive, dense, saturated. <br /> 115' 15 <br /> MW-3 push Same as above, saturated; driller calls change at 21 feet. <br /> @20' p 20 <br /> ML - Clayey SILT, yellowish brown 10YR5/6, very low plasticity <br /> f. sand 20%, crudely bedded, no stains, stiff, damp; <br /> Mze� push 2 5 increase in clay to nearly 50%, stiff, damp. <br /> Bottom of Boring = 25 feet. <br /> Reviewed by RG/CEG <br />