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Revised, October 30, 1997 Productivity and Cost -- trucks -18J FPC-1c2 -----------------Loader-------Haulerl----Haul erg- ---Potential Production--- • Code C231 ~ Alt. Corr.. 1.00 Segment Speed Cumulative Max at End Minuses 20.72 20.72 0.53 30.00 30.00 1.56 30.00 30.00 2.06 30.00 0.00 4.31 RETURN - Travel Time 8 Speeds col ouyo trucks Course ~ Course ~ Material ~Densi ty Lbs perllni [i aL~ ~ HAULER 777C Name ~ Desc ~ Oty BCY ~ LCY ~ BCY ~ Speed ~ ~ ID ________ ____________ ____________ _______ _______ __NPH-- ~ Tires 27.OOR49 15J ~15J to east ~ 506,008 2,500 ~ 2,875 ~ 0.00 ~ ~ Type E4 ________ ____________ ____________ _______ _______ _______ Speed Corr. 1.00 Empty wt., TONS 68.14 Payload, TONS 98.00 Code C231 Alt. Corr.. 1.001 RETURN Distance Rolling Grade MPH Potential Segment Speed Cumulative Segment FEET Resis[% X Limit Speed Max at End Ninuces 1. 5,800 4.00 3.75 30.00 25.40 25.40 25.40 2.77 • ~ 2. 1,295 4.00 5.00 30.00 21.06 25.40 22.10 3.41 3. 2,500 3.00 1.00 30.00 37.84 30.00 30.00 4.38 4. 700 3.00 0.00 30.00 39.22 30.00 0.00 4.70 ----------------Hauler Cycle T Load with Exchange........... Haul ......................... Dunp and Maneuver............ Return ....................... Potential Cycle Time.. Wait on Slow Hauler.......... 4ait to Load. [Bunching-NOHE7. Total Cycle Time...... O[y S Model 1-992D 1-777C ~ BCY/Hour Avg MPH Loader FiLI Factor ( 14.0 LCY) 100.OY. %~ ~ 992D 1,010 TONS /Pass ( 2,500 Lbs/LCY).. 17.50 ~ ~ 777C 275 15.7 System Passes per Hauler..... 5.60 Hauler - Payload, TONS....... 98.00 ~ -------------------------- - X of Max GVU ....... 102.67. X ----Operating Schedule-•-- Loader Cycle Time, Ninut es ... 0.65 ~ ~ Operator Efficiency 83%~ First Bucket Dump, Minutes... 0.10 ~ I Sched Hrs/Shift 8.0 Hauler Exchange Time, Minutes 0.70 ~ -------------------------- ime_______________ 4.05 4.31 1.80 4.70 14.87 0.00 14.87 -----Fleet Estimates------ Fleet Availability 100.0 BCY/Sched Hr 228 ~ X ~i~S Total BCY 506,008 Sched Hrs Reqd 2,216 Total E 702,198 E per BCY 1.388 BCY/Shift 1,827 Shifts Required 276.97 HAUL -Travel Time 8 Speeds col ouyo trucks Course ~ Course ~ Material 0ensity Lbs perlnitial ~ HAULER 7770 Name ~ Desc I Oty BCY ~ LCY BCY ~ Speed ~ ~ ID ________ ____________ ____________ _______ _______ __MPH-- ~ Tires 27.OOR49 ~15J ~15J to east ~ 506,0081 2,500 ~ 2,875 ~ 0.00 ~ ~ Type E4 ________ _____ _______ ____________ _______ _______ _______ I Speed Corr. 1.00 Empty uc., TONS 68.14 Payload, TONS 98.00 HAUL Distance Rolling Grade MPH Potential Segment FEET Resisty. X Limit Speed 1. 700 3.00 0.00 30.00 26.67 2. 2,500 3.00 -1.00 30.00 35.96 3. 1,295 4.00 -5.00 30.00 40.02 4. 5,800 4.00 •3.75 30.00 39.72 c ZtoZ L~~ B-23