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LOG OF EXPLORATORY DRILLING -BOREHOLE #X I <br />SURFACE ELEVATION: DRILL STEM: <br />DRILLER: SAMPLER: <br />DRILL RIG: CASING: <br />NOTES: SPT N-values not conected fa energy or depth; strafigraphic hansigons are approximate and an: inferred ham wtgngs and drillers comments <br /> w <br /> <br /> <br /> <br />' m <br />~ <br />i <br />~°, <br />~ <br />~ <br />`- <br />~ <br /> <br />SOIL DESCRIPTION <br />FIELD d LABORATORY <br />TEST RESULTS <br />s... U ~ > w <br /> <br />~ Ali! <br />F j <br />d d m ~ U <br />o 3 ~ ~ ~ y~ ~ <br />D <br /> <br /> indicates drive sam <br />le <br /> p <br /> indicat <br />s b <br />lk <br />l Notes in this column <br />5 e <br />u <br />samp <br />e indicate tests performed <br /> indicates core sam <br />le and test results <br /> p <br /> DD: dry density in cubic <br />~~ DS7 Sample identifies OS=Drive sample pounds per foot (pc!) <br /> AS=Auger sample from auger flights <br />CS=Core sample <br />MC: ~ moisture content <br /> B Blows required to drive sampler 6 inches each. The LL: Liquid Limit <br />l5 ~~ /first six inches is considered to be the "seoting° drive. <br /> PL: Plastic Limit <br /> 2t//2 indicates seven blows required to drive the sump/er <br /> twelve inches with a 140-1b hammer lolling 30 inches pl: plasticity Index <br />20 <br /> l2 length of intact soil plug recovered /ram the sampler Gf' Grovel fraction (9) <br /> indicates free water sur`oce at time of drillin ' <br /> g SF. <br />Sand Iractian (2) <br />25 <br /> F200: Silt/Clay (9,) <br /> Sh.~ Shear resistance <br />30 <br /> <br /> P: Penetration resistance <br /> fill <br /> CBR: Colifomio Bearing <br /> ti <br />R <br />3 Jr a <br />o <br /> topsoil <br /> <br /> psf: pounds per sq. lt. <br /> cloy Unified C/assilicatian System (ASTM D-2487) <br />4D Pcl' pounds per cu. ft. <br /> CL =lean clay to sandy/grovelly lean clay <br /> si/t ML =silt to sandy/grovelly si/t <br /> <br /> CH =high plasticity cloy to sandy/grovelly high plasticity cloy <br />4 Jc sand <br />MH =high elasticity silt to sandy/grove/ly high a/osticify silt <br /> grovel SW = we/I-graded sand ar well-graded sand with grovel <br /> SP =poorly graded sand or poorly graded sand with grovel <br />5G ~ shale SM =silty Bond to silty sand with gravel <br /> - ith <br />l <br />d t <br />l <br />d <br />/ <br />SC = <br /> grove <br />c <br />ayey san <br />o c <br />ayey san <br />w <br /> hard bedrock CW = well-graded grovel or well-graded gravel with sand <br />55 <br /> GP =poorly graded grovel or poor/y graded grove/ with sand <br /> sandstone <br />GM =silty grave/ or silty gravel with sand <br /> <br />6D GC =clayey grave/ or c/oyey gravel with sand <br /> <br /> <br />DRAWING <br /> lNUESncAnoN ~ GEOTECN <br /> <br />NUMBER <br />XP <br />RA70RY DRILLING _ <br /> ORaFBNC E <br />LO <br /> cmi, sm,a~, <br />~ <br />~re•rs. ~~ <br /> DATE <br />KEY <br />sa so~u <br />r a n~~~ <br />l <br />a <br />81401 <br /> MoiNOae, Co <br />ore <br />o <br />1 Phme (970) T49d8~e Fu (970) Y49-0915 <br />OF /DB ND. <br />