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• ________________Hauler Cycle Time-__.____.___.__. Productivity and Cos[ -- trucks -754 FPC-7c2 -------•---------Loader------- Hauled ---- Hauler2- --•Po[ential Production--- Dty 8 Model 1-992D 1-7774 ~ ~ BCY/Hour Avg MPH Loader Fill Factor ( 14.0 LCY ) 100.OX X~ ~ 992D 1,010 TONS /Pass ( 2,500 lbs/LCY).. 17.50 ~ ~ 777C 328 13.5 System Passes per Hauler..... 5.60 Hauler - Payload, TONS....... 98.00 ~ -------------------------- - Y. of Max GW ....... 102.6X X~ ----Operating Schedule---- Loader Cycle Time, Hinuces... 0.65 ~ ~ Operator Efficiency 83X1 First Bucket Dump, Minutes... 0.10 ~ ~ Sched Hrs/Shift 8.0 Hauler Exchange Time, Minutes 0.70 ~ -•-----•-------------•---- Load with Exchange........... 4.05 Haul ......................... 3.24 Dump and Maneuver............ 1.80 Return ....................... 3.39 Potential Cycle Time.. 12.48 4ait an Slow Nauler.......... Wait to Load. [Bunching-NONE7. 0.00 Total Cycle Time...... 12.48 Revised, October 30, 1997 •----Fleet Estimates-•---- Fleet Availability 100.OX~ OLY/Sched Hr z7z ~X /.~5 = 3~3 ~G Total BLY 641,000 Sched Hrs Reqd 2,356 Total E 746,709 S per BLY 1.165 BCY/Shift 2,176 Shins Required 296.53 l HAUL - Travel Time 8 Speeds coLawyo [rucks Course ~ Course ~ Material Density Lbs per~Ini tial~ ~ HAULER 7776 Name I Desc I Dty BCY ~ LCY ~ BCY ~ Speed ~ ~ ID ________ ____________ ____________ _______ _______ __NPH-- ~ Tires 27.OOR49 • ~18L ~15L [o east ~ 641, 000 2,500 ~ 2,875 ~ 0.00 ~ ~ Type E4 ________ ____________ ____________ _______ _______ _______ I Speed Corr. 1.00 Empty Wt., TONS 68.14 Payload, TONS 98.00 Cade C231 ~ Alt. Corr.. 1.00 HAUL Distance Rolling Grade HPH Potential Segment Speed Cumulative) Segment FEET Res istX X Limit Speed Max at End Minutes 1. 1,000 3.00 0.00 30.00 26.67 22.19 22.19 0.69 2. 2,500 3.00 -1.00 30.00 35.96 30.00 30.00 1.70 3. 1,295 4.00 -5.00 30.00 40.02 30.00 30.00 2.19 4. 2,600 4.00 -3.75 30.00 39.72 30.00 0.00 3.24 RETURN - travel Time 8 Speeds colawyo trucks Course ~ Course ~ Material Density Lbs per~lni [tall ~ HAULER 777C Name ~ Oesc I Dty 8CY ~ LCY ~ BCY ~ Speed I ~ ID ________ ____________ ____________ _______ _______ __XPH•- ~ Tires 27.OOR49 l ~15L ~18L to east ~ 641, 000 2,500 ~ 2,875 ~ 0.00 ~ ~ Type E4 ________ ____________ ____________ _______ _______ _______ ~ Speed Corr. 1.00 Empty Wt., TONS 68.14 Payload, TONS 98.00 Code C231 I Alt. Garr.. 1.OO AETURH Distance Rolling Grade MPH Potential Segment Speed Cumulative Segment FEET Resiscy. X Limit Speed Max at End Minutes 1. 2,600 4.00 3.75 30.00 25.40 25.40 25.40 1.35 2. 1,295 4.00 5.00 30.00 21.06 25.40 22.10 1.98 • ~ 3. 2,500 3.00 1.00 30.00 37.84 30.00 30.00 2.95 4. 1,000 3.00 0.00 30.00 39.22 30.00 0.00 3.39 Q-27