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DESCRIPTIVE TERMINOLOGY <br />PARTICLE SIZE IDENTIFICATION <br />Eoukh n <br />- <br />ovo 3" <br />Oo vw <br />Cwns <br />1' — 3" <br />Madur" <br />1 /2" — 1' <br />Fine <br />No. 4 — 1 /2" <br />Fend <br />Coate <br />No. 4 — No. 10 <br />Medum <br />No. 10 — No. 40 <br />Fine <br />No. 40 — No. 100 <br />Very Fie" <br />No. 100 — No. 2 <br />sit <br />No. 200 — .006 rem <br />a" <br />Nee ton Am "rest <br />RELATIVE DENSITY OF <br />COHESIONLESS SOILS <br />vary boa <br />0 — 4 Ef F <br />NNW <br />5 — 10 EPF <br />tttedom dww <br />11 — 30 EPF <br />dune <br />31 — 50 EPF <br />very drew <br />W MF <br />SOIL INTRUSIONS <br />THICKNESS <br />New 0 — 1 /6" <br />then 1 /6" _ 1" <br />layer 1' — 12" <br />verved alternating seems or <br />lenses of clays and <br />silts in lake deposit <br />MOISTURE CONTENT <br />Dry late than 5% <br />Moist under optimum moisture <br />Met over optimum mobture <br />Wetarbeering saturated and <br />CONSISTENCY OF <br />COHESIVE SOILS <br />vwy soh <br />0 — 1 SPF <br />soh <br />2— 3911010 <br />nthar sole <br />4— 5 5PF <br />nwhi'um <br />6 — S 6PF <br />rather to" <br />9 — 12 6PF <br />stiff <br />/3 — 16 6PF <br />very, stiff <br />17 — 30 IWF <br />herd <br />30+ MF <br />RELATIVE PROPORTIONS <br />with a fen 0 — 10% <br />with sort" 11-20% <br />with over 20% <br />ORGANIC CONTENT <br />0-5% <br />non to slightly organic <br />6 — 10% <br />slightly organic <br />11 — 25% <br />organic <br />26 — 05% <br />muck <br />65+ <br />peat <br />PLASTICITY OF SOILS WITH <br />LESS THAN 20% CLAY <br />non plastic gritty, cannot thread <br />slightly plastic rough to smooth, <br />hard to thread <br />plMtic smooth to waxy, <br />easy to thread <br />RELATIVE PROPORTIONS <br />OF GRAVEL <br />LABORATORY TESTS <br />a erns 0 — 5% <br />DO Dry OwWty. pd OC Organic Content, % <br />a little 6 — 15% <br />WD Nit Owtsity. pd S Percent of Saturation, % <br />eon" 16 — 30% <br />MC Natural Moisture Content, % SG Specific Gravity <br />and 31 — 60% <br />LL Lipsid Limit, % C Cohesion <br />FL Elastic Limit, % S Angle of Internal Friction <br />PI Platieity Index, % 4u Unconfined Compressive Strength <br />DRILLING NOTES: <br />Stendercipsone . 6 n vast bearings wwe advanced by 214" or 311" I.D. hollow -seem ougm unless noted other- <br />wise. Jeteing water was used so civet out atagar prior to sampling only when indicted on logs. Standard <br />potnretion feet boring we designated by the prefix , ST" (Spilt Tubal. <br />Powan sum boringe were advw cad by 4" or 6" diamner, continuous•Nite, solid stem sugars. Soil classification <br />and strata depth we inferred from disturbed samples autiend to the surface and an therefore somewhat <br />approximate. Fortier auger borings we designated by the prefix <br />Shand probing were ad a c d nenually with a I %" filar eter probe end was limited to de depth from which <br />the probe ran be manually withdrawn. Hand probin s are indicted by the prefix "H' <br />CLASSIFICATION: <br />Classification on logs ism by inspection in accordance with the Unified Soils Classification System <br />(see attached chart) uslryt visual -manual procedures union noted otherwise. <br />GROUND WATER: <br />Observations wen made at the times indicated. Porosity of soil strata. seasonal weather conditions, site <br />topognphr, ate.. RW cause chwages in the water levels it food on the lop. <br />SAMPLING: <br />All aneptw we #Olson with the standard 2" O. 0. split -tube sampler, except where noted. TW indicates thin - <br />wall undlsturbod swnt0 - <br />1PF: Number Indkaa blows per foot recorded in slandaid penatntion vat, also known as "N" value The sampler <br />is of V' into urvdsturbod soil below the hollow tam auger. Driving resistaracm are than counted for second <br />and third E" increments and added to get 6PF. When they differ significantly, they two reported in the <br />IoNowing farm — 2112 tow the second and third 6" ineror"nts respectively. <br />WH: WH lendioates that a lw* penetrated soil under weight of hammer end rods alone, driving not required. <br />NOTE: All tau run in swwdwwe with applicable ASTM standards. <br />Hmon, <br />ENGINEERING TESTING <br />