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Kennecott <br />J Energy <br />Colowyo Mine <br />IA OVERBURDEN I <br />TRUCK WEIGHT AND VOLUME TEST 6/22105 <br />129 LOADER UTILIZED AND OPERATED BY JOE STILLWELL <br />TIME am <br />8:50 <br />9:00 <br />9:07 <br />9:34 <br />9:43 <br />9:50 <br />9:58 <br />10:12 <br />10:17 <br />10:20 <br />10:27 <br />TRUCK # <br />211 <br />215 <br />212 <br />215 <br />212 <br />202 <br />211 <br />215 <br />212 <br />202 <br />211 <br />VOLUME DENSITY PAYLOAD # OF <br />(cu. yds.) (Ibs. /cu.ft.) (TONS) BUCKETS NOTES <br />219.3 93.5 276.8 9 <br />211.1 94.8 270.3 9 <br />197.5 98.1 261.6 8 <br />207.0 91.6 256.1 9 <br />182.3 97.6 240.3 8 <br />170.4 93.7 215.6 9 Parting from A Seam <br />167.9 88.3 200.1 9 <br />189.6 101.7 260.4 9 <br />182.9 96.7 238.9 9 Heavy Left Front <br />168.3 100.5 228.4 8 Possible Right Front Repair <br />177.7 91.2 218.7 8 <br />AVERAGE 188.5 95.3 242.5 <br />STANDARD DEVIATION I 18.0 4.1 24.7 <br />AVERAGE LOOSE CUBIC YDS. PER LOAD <br />AVERAGE LOOSE DENSITY (Ibs. /cu.ft.) <br />SPECIFIC GRAVITY OF BANK MATERIAL (g /cc) * <br />SPECIFIC GRAVITY OF LOOSE MATERIAL (g /cc) <br />BANK CUBIC YARD TO LOOSE CUBIC YARD SWELL FACTOR <br />LOAD FACTOR FOR CAT 793B & KOMATSU 830E (BANK cu. yds.) <br />AVERAGE WEIGHT PER TRUCK (tons) <br />* From geological report 2003 <br />189 <br />95.3 <br />2.29 <br />1.53 <br />33% <br />126 <br />243 <br />TRUCKS 201 & 202 ARE KOMATSU 830E <br />TRUCKS 211 THROUGH 217 ARE CAT 793B <br />129 LOADER IS A KOMATSU WAl200 26 YRD BUCKET <br />13 <br />