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li F iM - UNIFIED SOIL CLASSIFICATION SYSTEM-VISUAL CLASSIFICATION OF SOILS '�(ASTM D-2488) F I MAJOR GROUP GROUP NAME DESCRIP'T'ION DIVISIONS SYMBOL Q° Welt-graded gravel I Well-graded gravels or gravel-sand °0°04.000 G W Well-graded gravel with sand mixtures, little or no fines. 0004 GRAVEL 4:4:0:0,0 Poorly-Wadedgravel poorly-graded gravels or gravel 0.0.0.0:o G P Poorly-graded gravel with sand sand mixture, little or no fines. . AND 0�0�0 0 0 GRAVELLY 0`0`0`0'C Silty gravel Silty gravels,gravel-sand-silt SOILS 0I410I0�0 GM 5iltygravelwith sand mixtures. 0�040y040 Clayey gravel Clayey gravels,gravel-sand-day COARSE G C Clayey gravel with sand mixtures. GRAINED SOILS CSW Weil-graded sand Well-graded sands or gravelly Well-graded sand with gravel sands, little or no fines. SANDS P Poorly-graded sand Poorly-graded sands or gravelly Poorly-graded sand with gravel sands,little or no fines. ' AND SANDY •�••�••�'•�'+ SM Silty sand Silty sands,sand-silt mixtures. �•.�•.v.}•., ty SOILS .�'•.�•.�'•.�'•k Silty sand with gravel f l : r. SC Clayey sand Clayey sands,sand-clay mixtures. Clayey sand with gravel �+w+i�iti+ Silt;Silt with sand;Slit with gravel Inorganic silts and very fine - sands,rock flour,silty or SILTS �+t+�+�+• ML Sandy silt Sandy silt with ravel Gravelly silt:Gravelly silt Lth sand clayey fine sands or clayey Y 7AND ! silts with sli ht lasticity. 77.77 t. Lean clay;Lean day with sand;Lean clay with gravel Inorganic days of low to medium FINE CLAYSC L Sandy lean day;Sandy leanlclay with gravel plasticity,gravelly clays,sandy Gravelly lean day;Gravelly,lean day with sand clays,silty clays,lean clays. GRAINED ++++»++} +++++++++ Elastic silt;Elastic silt with sand;Elastic silt with ave ELASTIC ►+��►+�+� gr Inorganic silts,micaceous or SOILS ++++++++ MH Sandy elastic silt;Sandy eliisfic silt with gravel diatamaceous fine sandy or silty i SILTS Gravelly elastic silt;Gravelly elastic silt with sand soils, elastic silts. AND Fat day;Fat day with sand)Fat day with gravel Sandy fat clay;Sandy fat clay with gravel Inorganic days of high plasticity, CLAYS C H Gravelly fat day;Gravelly fat clay with sand fat clays. F Organic soil;Organic soil with sand;Organic soil with graves Organic silts and organic siit- O LIO H Sandy organic soil;Sandy organic sail with gravel clays of low plasticity. HIGHLY plasticity,organic soil;Gravelly organic soil with sand Organic days of medium to high plasticity. ORGANIC SOILS �. Pt Peat Peat and other highly organic soils. WELL CONSTRUCTION EXPLANTION SOIL BORING NOTES: $AISD$ &GRAVELS BLOWS/FT SILTS & CLAYS BLOWS/Fl r Blank well casing Blow count represents the number of blows of a ! Neat cement or 148-Ib hammer falling 30 inches per blow required VERY L005E 0 - 5 SOFT 0 - 5 sand slurry seal to drive a sampler through the last 12 inches of an LOOSE 5 - 12 FLLVL 5 - 10 t8-inch penetration. Bentonite seal MED. DENSE 12 - 37 STIFF 10 - 20 No warranty is provided as'to the continuity F of soil strata between borings. Logs represent DENSE 37 - 62 VERY STIFF 20 - 40 the soil section observed at the boring location VERY DENSE OVER 62 HARD OVER 40 o Wellsandparlc on the date of drilling only.I� e S=Sampler sank into medium under the weight of the hammer(no blow count) 7 Approximate stabilized water level Well screen P=Sampler was pushed into medium by drilling rig -�:••.• (no blow count) NR = No Recovery y Approximate first encountered water level li SOIL BORING LOG C L E A R W A T E R ;; AND APPENDIX C Group Inc. WELL CONSTRUCTION DIAGRAM PLATE ! LEGEND C-1 �M F li