Laserfiche WebLink
UNIFIED SOIL CLASSIFICATION SYSTEM _- = EXPLANATION —-_ — <br /> MAJOR DIVISIONS LTA DESCRIPTION Soil Contact Noted within <br /> Well-graded gravels or gravel sand Sample Interval <br /> GW mixtures,tittle or no fines. <br /> GRAVEL -graded gravels or gravel sand — Soil Contact Inferred between <br /> G P �'- - - <br /> O 6 mixture,little or no fines. sample intervals <br /> U) GRAVELLY <br /> p G u Silly gravels,gravel-sand-silt mixtures. : Modified California(Porter)sample <br /> LU SOIL <br /> Z <br /> Q GC Clayey gravels,gravel-sand-clay mixtures. <br /> c ® BAT Probe water sample <br /> 0 S W Well-graded sands or gravely sands, <br /> � SAND little or no fines. <br /> Q a S P Poorly-graded sands or gravelly sands, Shelby tube sample <br /> Yttle or no fines. <br /> U SANDY S M Water level observed in boring <br /> Silty sands.sand,and sit mbttures. _ <br /> SOIL <br /> S C Clayey sands,and day mixtures. <br /> Z Stabilized water level <br /> Inorganic slits and very line sands,rock <br /> SILTS M L flour,silty or clayey fine sands or clayey <br /> silts with slight plasticity <br /> 8 Inorganic clays of low b medium NFWE No tree water encountered <br /> O0 CLAYS C L plasticity,gravely days,sandy days.silty <br /> days,lean days. <br /> 0 LL<50 NOSC No odor,scent,or fluid cut <br /> ZO L Organic sitts and organic siltclays of <br /> low plasticity. <br /> cc FID Flame Ionization Detector(total <br /> 0 SILTS MH Inorganic sr1Ls,micaoeous or chatortt- organic vapors in parts per million) <br /> LU aceous fine or silty soil,elastic silts. <br /> Z Q <br /> �- CLAYS C H Inorganic days of high plasticity,fat days. PID Photoionization Device(btal organic <br /> LL:-50 OH vapors measured in parts per million) <br /> Organic days of mum to high plasticity- <br /> HIGHLY <br /> lasticity <br /> HIGHLY ORGANIC j pt Peat and other highly organic soil. <br /> SOIL <br /> WELL CONSTRUCTION <br /> SOIL CONTENT% Blank casing <br /> Trace 0-10% ® Screened casing <br /> Little 10-20% <br /> Some 20-909,0 Cement grout <br /> Sandy <br /> Bentonite <br /> Silty 30-50% <br /> Clayey Sand pack or gravel pack <br /> NOTES: glow oounts represent the number of blows of a 140-pound hammer falling 30 incites required to drive a sampler 6 inches. <br /> The lines separating strata on the logs represent approximate boundaries only. The actual transition may be gradual. No warranty Is provided as <br /> to the continuity of soil strata between borings. Logs represent the soil section observed at the boring location on the date of drilling orgy <br /> References to plasticity of cohesive soil are based on qualitative field observations and not on quantitative field or laboratory tests. 0ua6tative <br /> soil plasticity is noted solely io aid in stratgraphic correlation and is not intended kir geotechnical characterization of soils. <br /> PLATE <br /> BORING LOG LEGEND <br /> k" KLEINFELDER JOE BRYSON HEATING &A/C A <br /> PRC,JECT NC 24-220222-,A00 STOCKTON, CALIFORNIA <br />