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Nfto' %001 <br /> Light, Air and Space Construction, San Jose, CA Exploratory Boring Log <br /> Project No.0616 BORING NO.MW-2 Drilling Method:8"Hollowstem Page 1 of 1 <br /> Logged by: CMP Date:Oct.7,2008 BOREHOLE COMPLETION: <br /> Client: Dana Well Installed:2"dia.Sch.40 PVC <br /> Location: 19589 McKinley Avenue Total Depth:23' Casing Depth:20.5' <br /> Manteca,CA Screen Length:12' Slot Size:#3 <br /> Permit:SJC EHD 0055577 Blank Length: 10' Sand Pack:8' <br /> Water Levels: 1st Enc 11.5'@11:10 Static: 13.4'@ 11:35 rising Top Sand Pack:9' Top Bentonite:8' <br /> m <br /> Grout Seal:8'to surface vault box TOC 15.42 MSL <br /> Sample PID BlowWell Detail! <br /> No. 1OV Count aDepth Lithology Log Backfill <br /> ML-Sandy SILT,light gray 2.5Y7/2, nonplastic fines, silt 70%,f,sand 30%, <br /> weakly cemented to 2 feet,firm,damp. <br /> SM-Silty SAND, brown 10YR513,nonplastic fines 35%,f.to med.sand 65%, -"- <br /> MW-2-1 5 massive, loose,damp. <br /> @5. - 4 <br /> MW-2-1 0 <br /> @ 10' 8 <br /> ML-SM-Clayey SILT to Silty SAND, brown t0YR5/3,slightly plastic silticlay <br /> varies 20-65%,f.sand varies up to 65%,massive,medium dense,moist, <br /> saturated by 11.5 feet;contains olive brown silt beds up to 8 inches thick. <br /> MW-2-1 15 <br /> @ 15 25 ML-SP-Clayey SILT and SAND interbedded,olive brown 2.5Y414,sand gray <br /> 2.5YN51,massive,medium dense and saturated;sift mottled with iron oxide. <br /> SP-SAND,gray 2.5N51,f.to med.sand 95%,fines 5%,massive,silt increasing <br /> MW-2-1 20 with depth to 20%,medium dense to dense,saturated. <br /> @ 20, 28 <br /> MW-3-1 50 <br /> @ 21.5' - <br /> Bottom of Boring-23 feet,borehole <br /> flows slightly,driller swabs clay plug <br /> into sampler hole. <br /> Reviewed by PG <br />