2612 S Griset Pl Unit #2 - Plan - Laserfiche WebLink

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UNIFIED SOIL CLASSIFICATION SYSTEM • UNIFIED SOIL CLASSIFICATION AND SYMBOL CHART COARSE-GRAINED SOILS (more than 50% of material is larger than No. 200 sieve size.) .i,-.1. isiv _I GRAVELS More than 50% .., of coarse tz,..,:kk fraction larger Man No. 4 sieve size .4,- Clean Gw 4 . — GP ,.. . Gravels ---- — -,i GM Gravels (Less than 5% fines) Well-graded gravels, gravel-sand mixtures, little or no fines - Poorly-graded gravels, gravel-sand . mixtures., little or no fines with fines (More than 12% fines) Silty gravels, gravel-sand-silt mixtures Clayey gravels. gravel-sand-day , mixtures ........Sands (Less than 5% fines) . ..,_ SW Well-graded sands, gravely sands, little or no fines SANDS — 50% or more i . Poorly graded sands; gravelly sands. 3 SP • of coarse , ,' • little or no fines fraction smaller S!iiii# Otti fii.l.eisAifq,!th!rinli fines) than No 4 1,17 • sieve size p 1- 1— sands, send-silt mixtures ,,S_M . ..ry SC Clayey sands, sand-clay mixtures FINE-GRAINED SOILS (50% or more of material is smaller than No. 200 sieve size.) Inorganic silts and very fine sands, rock ML flour, silty of clayey fine sands or clayey SILTS slits with slight plasticity AND CLAYS Liquid limit less than 50% Inorganic clays of low to medium CL plasticity, gravelly days. sandy clays, silty days, lean clays Organic silts and organic silty days of low plasticity SILTS AND CLAYS Liquid limit 50% or greater Inorganic silts, micaceous or mH diatomaceous fine sandy or silty soils. elastic silts • - -- • CH Inorganic clays of high plasticity, fat days _.„,.. OH Organic days of medium to high plasticity, organic silts HIGHLY ORGANIC PT Peat and other highly organic soils SOILS 2612 S Griset PI Santa Ana Ca 92704 LABORATORY CLASSIFICATION CRITERIA GW D 60 D 30 Cu 4: C, between 1 3 = greater than _ and D10 Di 0 x D60 GP Not meeting all gradation requirements for GW GM Atterberg limits below "A" line or Pl less than 4 . Above "A" line with P.I. between 4 and 7 are borderline cases requiring use of dual symbols Atterberg limits above "A" line with P.I. greater than 7 SW 060 0 30 Cu "" than 4; C, between 1 3 - greater = and 0 10 - D10 x060 SP Not meeting all gradation requirements for GW sm Atterberg limits below "A" line or P.1. less than 4 Limits plotting in shaded zone with Pl. between 4 and 7 are borderline cases requiring use of dual symbols.SC " Atterberg limits above A" line with P.I. greater than 7 Determine percentages of sand and gravel from grain-size curve. Depending on percentage of fines (fraction smaller than No. 200 sieve size), coarse-grained soils are classified as follows: Less than 5 percent GW, GP. SW. SP More than 12 percent GM, GC, SM, SC 5 to 12 percent Borderline cases requiring dual symbols PLASTICITY CHART PL A S T I C I T Y IN D E X (P 1 ) (% ) 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 LIQUID LIMIT (LL) (%) CH CL A LINE PI ,-- 0 73(LL-20) MH&OH Cl*MIL ML&OL Soil Classification A 2612 S Griset Pl Unit #23/17/2025