Laserfiche WebLink
Barr Engineering Company I <br />4700 West 77th Street <br />BMR Minneapolis, MN 55435-4803 LOG OF BORING B-3 <br />� Sheet 3 of <br />Project: Proposed RPE Expansion <br />Location: West Elk Mine, Somerset, <br />Client: Mountain Coal Company <br />CO <br />Barr Project Number: 06/261003 <br />STANDARD PENETRATION <br />NATURAL DRY <br />4) <br />TEST DATA <br />DENSITY <br />o <br />3 \ <br />N in blows/ft OO <br />(pcf) it <br />w <br />MATERIAL DESCRIPTION <br />a > o <br />10 20 30 40 <br />105 115 125 <br />15 <br />a <br />(ASTM D2488) <br />o. <br />F- z <br />> <br />`� <br />C a $ <br />SHEAR STRENGTH, ksf <br />Water Content, % <br />LLI <br />E to <br />OP X UC A TV X <br />WP WN <br />4 <br />ti) <br />VS A VSR O <br />1 2 3 4 <br />20 40 60 <br />60 <br />SANDSTONE Grey sandstone with minor coal dust. Minor <br />; ; <br />layers of siltstone. Some day infilling. Minor pyrite present in <br />6305 <br />small dykes. <br />100% <br />5 <br />-65- <br />6300- <br />6300 <br />100% <br />100% <br />j <br />-70- <br />0 <br />6295 <br />6295— <br />.... <br />: <br />100% <br />75 <br />6290 <br />89% <br />0 <br />-80- <br />6285 <br />6285- <br />96% <br />96% <br />85 <br />:: <br />6280- <br />280 <br />90% <br />90% <br />90 <br />-----------Co-01507V65a e -------- <br />Completion Depth: 100.0 <br />Remarks: <br />Date Boring Started: 6/18/09 <br />Date Boring Completed: 6/19/09 <br />SAMPLE TYPES <br />WATER LEVELS <br />Logged By: BSE <br />m Auger Cutting ' Shelby Tube <br />While Drilling: <br />Drilling Contractor: Haztech <br />Drilling Method: HSA/CORE <br />Northing: 402650.2 <br />® n <br />End of Drilling: ! <br />Eastin : 1450672.6 <br />Split Spoon Rock Core <br />hrs After Drilling: 75.2 <br />rhe stratification lines represent approbmate boundaries. The transition may be gradual. <br />