Laserfiche WebLink
Barr Engineering Company <br />- <br />4700 W 77th St. Suite 200 LOG OF BORING SB09-12 <br />Edina, MN 55435 <br />B? <br />Sheet 4 of 4 <br />Project: Proposed Coal Handling Location: West Elk Mine, Somerset, Client: Mountain Coal Company <br />Facilities CO <br /> Barr Project Number: 06/261004 STANDARD PENETRATION NATURAL DRY <br /> N TEST DATA DENSITY <br /> o cr a \ N in blows/ft a0 (pcf) it <br />o MATERIAL DESCRIPTION o >0 10 20 30 40 100 110 120 <br /> <br />c (ASTM D2488) <br /> SHEAR STRENGTH, ksf Water Content, % <br />Lu E U) QP X UCi A TV )K WP WN WL <br /> CU <br />rn VS A VSR O <br /> 1 2 3 4 20 40 60 <br /> 90 WELL GRADED GRAVEL WITH CLAY (GW-GC) Gravel 90.0 <br /> with quartzite, slate, igneous clasts up to 2". • <br />01 <br /> 6168.0 <br /> 92.0 <br /> -95- <br /> -100- <br /> -105- <br /> -110- <br /> -115- <br /> -120- <br />Completion Depth: 82.0 Remarks: <br />Date Boring Started: 6/29/09 <br />Date Boring Completed: 6/29/09 <br />Logged By: BWL SAMPLE TYPES WATER LEVELS <br />Drilling Contractor: Haztech <br />A <br />C <br />tti <br />'Sh <br />lb <br />T <br />b While Drilling: <br />Drilling Method: HSA uger <br />ng <br />y <br />u <br />e <br />u <br />e <br /> <br />® Split Spoon Rock Core End of Drilling: <br /> hrs After Drilling: <br />I ne stratitication lines represent approximate boundaries. The transition may be gradual.