Geotech Report 04 19 2021

II. Definition of Component Proportions COMPONENT WRITTEN PROPORTIONS SYMBOL PERCENTAGE RANGE BY WEIGHT* Principal CAPITALS -- 50 or more Minor Lower Case and ae 35 to 50 some little trace Se 20 to 35 1. 10 to 20 te 1 to 10 *Minus sign (-) lower limit, plus sign (+) upper limit, no sign middle range. III. Glossary of Modifying Abbreviations CATEGORY SYMBOL TERM SYMBOL TERM SYMBOL TERM A. Borings U/D Undisturbed B Exploratory A Auger B. Samples Cc Casing L Lost U Undisturbed D Denison Ss Spoon W Wash O.E. Open End Cc. Colors bk black gn green wh white bl blue or orange yw yellow br brown rd red dk dark gr gray tn tan it light D. Organic dec decayed ° organic veg Vegetation Soils dec'g decaying rts roots pt peat lig lignite ts topsoil E. Rocks LS Limestone rk cock Shst Schist Gns Gneiss ss Sandstone Sh Shale F. Fill and bldr(s) boulder (s) cbl (s) cobble (s) gis glass Misc. brk(s) brick(s) wd wood misc miscellaneo Material endr(s) cinder (s) dor debris rbl us rubble G. Misc. do ditto pp pocket ref refusal Terms el, El elevation penetrometer sm small fgmt (s) fragment (s) P.I. Plasticity W.L. water level frqt frequent Index W.H. weight of lrg large P pushed W.R. hammer mtld mottled pressed weight of no rec no recovery pc(s) piece(s) rods pen penetration rec or R recovered H. Stratified alt alternating Soils thk thick thn thin w with prt parting - ) to 1/16" thickness seam seam - 1/16 to 1/2" thickness lyr layer - 1/2 to 12" thickness stra stratum - greater than 12" thickness vvd c varved Clay | - alternating seams or layers of sand, silt and clay pkt pocket - small, erratic deposit, usually less than 1 foot Ins lens - lenticular deposit occ occasional - one or less per foot of thickness freq frequent - more than one per foot of thickness