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UNIFIED SOIL CLASSIFICATION SYSTEM-VISUAL CLASSIFICATION OF SOILS (ASTM D-2488) MAJOR GROUP GROUP NAME DESCRIPTION DIVISIONS SYMBOL lap#Q'pefl� well =ed gravel Well-graded gravels or gmel.wnd 0*0+ 4. G w we11 grades gravel with sand minturny little or no flue. eRwvRL a'o 0.a Poo BT+d��trcl Poorly-graded gravels or gravel 0.0.0.0'0 GP Posriy graded gravel with sand sand mixture, little or no tinea. AnfD a o o'a'a GRAVELLY 0 '0 0`0 0 0 O O Silty gravel '0`0`0`0 GM Silty gravel with slid o Silly gravels,gravel-sandudxtures. sous COARM W gravel GC Tey gravel wait samd Clayey!gravels gravel—ad-day mixture,. GRAAV84 S W well-graded sand well-graded sands or gravelly sands, Sots Weil-graded*and with gravel little or no fines. I SAND SP Poorly-grad-d.-—d with gravel �for no inwL a or gravelly sands` AND SANDY ♦ • • ♦ Su sand Silty sands,sand-alk mixturesons SOUS ;r;•;r •% SM Silly sand with gravel ♦ • r ♦ sand SC Camey sand with gravelCtayey rutds sand day mre* ixtu rr♦♦rrr♦r Inorganic silts and very fine sande,rock flour r••••♦•r♦ Silt;Silt with sand,Slit with gravel,Sandy aft SILTS :♦r.::.��. 1VI L Sandy silt with gravel,Gravelly alit;Gravelly silt with sand silty or clayey fine seeds or clayey elks %%'6 •r♦ with slight plasticity AND Lean clay;Lean day with sand,Lean day with gravel Inorganic clays of low to medium plasticity, FINE CLAYS C L Sandy Wan clay,Sandy lean clay with gravel gravelly days,sandy clays,silty clays,lean days. Gravelly lean clay;Gravelly lean day with nand GRAINED ��rr��tr Fustic silt:Elastic mut with sand,Elastic silt with el Fa.A317C Inorganic sibs,mkaoeoua or dlatamacesua fine SOILS M H Sandy elastic silt,Sandy clastic silt with gravel tom+ SITS i�ii«�ti Gravelly elastic silt;Gravelly elastic elk with Bard sandy or silty scilla elastic acts AND Fat clay Fat day with sand,pit clay with gravel CH Sandy fat day;Sandy fit Gay with gravel Inorganic days of high plasticity,fat clays. SYS Gravelly fat cla)r Gravelly fat day with sand Organic soil Organic sail with sand,Organic soil with gravel Organic silts and organic silt-days of low plasticity OL/OH Sandy organic sou,Sandy organic toll with gravel Organic clays of medium to high plasticity HIGHLY Gravelly organic soil,Gravelly organic soil with sand ORGANIC SOILS Pt Pet Peat and other highly organic soils. jyEl,rL CONSTRUCTION DETAILS NOTE. glow count represents the number of blows of a I404b hamrrer falling 30 inches per blow required SANDS &GRAVELS ELOwS/FT to drive a sampler through the lad 12[ache of an OEM18-inch penetration. VERY 1005E 0-5 =Cement No warranty is provided as to the condmity 1.00M 5.12 of ail strata between borings.Logs rePrasem the sou section observed at the boring location MED DENSE 12-37 on the date of drilling only DIIVSIi 37.Q Bentonite S.Sampler sank into medium under the weight VERY DENSE OVER 52 of the hammer(no blow anwtt) P.Sampler was pushed into medium by drilling rig(no blow count) Filter pack NR . No Recovery 9LTS &CLAYS Blows/Fr ZC S0Fr 0.5 =PVC Screen 4 Approximate first encountered water level FIRM s-10 _ I SampleSTIFF 10-21) -- Approximate stabilized water level Retained Interval VMtY STIFF all_40 A a — PVC Blank - for{�} 14ARD OVER 40 k ! Analysis HYDR6 I; ISoIL' BORING AND APpENDUC c ENVIR NMENTAL, I WELL CONSTRUCTION LOG t LEGEND ' PLATE �TECHN & LOGIES, INC. C-1 „ I!