Laserfiche WebLink
Barr Engineering Company <br />4700 West 77th Street LOG OF BORING SB-06-06 <br />Minneapolis, MN 55435-4803 <br />B~ <br />Sheet 2 of 4 <br />Project: Monument Dam Location: Paonia, CO client: Mountain Coal Company <br /> Barr Project Number: 06/26-067 ~ STANDARD PENETRATION NATURAL DRY <br /> d TEST DATA DENSITY <br />~ <br />w <br />a> rn ~ <br />o otS ~ <br />~ o N in blows/ft OO (pcf) ~r <br /> ~' MATERIAL DESCRIPTION ~ a >° to 20 so ao tos ~~s tzs <br />0 <br />' <br />~ <br />~ ~ (ASTM D2488) o- ~ ~ ° <br /> <br />° ~ <br />a <br />° SHEAR STRENGTH, ksf Water Content, <br />h <br />w ~ ~ r <br />n 4 x uc o rv ~ wP wN w~ <br />-e <br /> ~ VS ~ VSR O r <br />ms <br /> 2 3 4 20 40 60 <br /> 30 LEAN CLAY (CL), trace to with fine- to coarse-grained sand, 30.0 1 32 <br /> with fine- to coarse-grained gravel (shale and sandstone), 14 r~1 <br />' <br /> gray/dark gray/taNbrown/oxidation, saturated, stiff; gravel ( 14. <br /> fine- to medium-grained from 32.5-34.0', some broken rock I <br /> fragments from 34.0-34.5' 1K <br /> 14 ¢1 O <br /> 16. <br /> I <br />7315 35 <br /> 1 32 <br /> 14 01 <br /> <br />I 15. <br /> I X <br /> 14 ~1 6 <br /> 1 <br /> I <br />7310 40 <br /> <br />1 1 1 <br /> 16 ° ~~ 1 .3 <br /> 100 » 100 <br /> 7305.0 <br />7305 45 LEAN CLAY (CL), trace fine- to coarse-grained sand, trace 45.0 1 49 <br /> ra <br />ravel (shale and sandstone) <br />fi <br />m <br />m <br />rained <br />t <br />di <br /> , g <br />y <br />-g <br />g <br />ne- <br />o <br />e <br />u <br />with some oxidation, saturated, stiff; trace fine-grained gravel 13 <br />2 <br />.3 <br /> and gray/brown/tan/oxidation from 52.5-54.5' ~ <br /> <br /> <br />14 <br />I 1 pp <br />6.4 <br /> I <br />7300 50 <br /> - 16. 3 <br /> I <br />I <br />X <br /> 9 9 <br /> 7294 <br />8 <br />7295 55 . <br /> SILTY SAND (SM), trace to with clay, sand fine- to 55.2 : .: :: r <br />13 <br /> medium-grained, gray/tan/oxidation, saturated, medium 7283 5 :.' .'~ -. 13 , <br />7' <br /> dense 56 <br />5 ~ <br /> . <br />LEAN CLAY (CL), trace to with fine- to medium-grained 7292.5 X <br /> sand, gray/oxidation, saturated, very stiff; "gaps" in sample 57.5 : :;• :: <br />' at 56.4' and 56.7' each about 1"thick 9 9 <br />' Mixture of: 1. SANDY SILT (ML), with clay 2. LEAN CLAY <br /> (CL), trace to with fine- to medium-grained sand, trace 7290 0 ~ : _ I <br />7290 60 Continued Next Pa e <br />' Completion Depth: 97.0 Remarks: <br />j Date Boring Started: 7/10/06 <br />B <br />i <br />7/11/06 <br />D <br />t <br />C <br />l <br />t <br />d <br />a <br />or <br />ng <br />omp <br />e <br />e <br />e <br />: <br />' Logged By: JDG SAMPLE TYPES WATER LEVELS <br />Drilling Contractor: DA Smith <br />S <br />m Auger Cutting ,Shelby Tube Q While Drilling: 17.3 <br />- <br />Drilling Method: H <br />A End of Drilling: <br /> ® Split Spoon ~ Rock Core <br /> hrs After Drilling: <br />' The stratification lines represent approximate boundaries. The transition may be gradual. <br />