(RRF) X 65 ROLLING RESISTANCE FACTOR (RR) 2,164.50 or 2,165 STEP # 8 / GRADE ASSISTANCE GRADE RESISTANCE -2 (-GA) 33.30 (ST) X 20 X = 1,332 STEP #9 REQUIRED POUNDS OF PULL (RPP) TRAVEL SPEED MPH. 2,165 (RR) -1,332 (-GA) 833 (RPP) (ON SLIDE #94-99) STEP #10 Time: j. Is the time required to LOAD, HAUL, SPREAD, and RETURN. Time (Fix-T) Travel Time (TT) This is figured by adding and cycle time (CT). to get Fixed Time: a. is the time spent during an equipment cycle other than hauling and returning. This includes positioning, loading, unloading, turning, accelerating and decelerating all of which are fairly constant or fixed. Fixed times are determined from Table #6-2. To use Table 6-2, start with the gear you are hauling in. TABLE #6-2 FIXED TIME EQUIPMENT 1ST GEAR HAUL 4TH GEAR HAUL 5TH GEAR HAUL LOADING SCRAPER 2ND GEAR HAUL 6TH GEAR HAUL 3RD GEAR HAUL 7TH GEAR HAUL 8TH GEAR HAUL STRUCK HEAP STRUCK HEAP STRUCK HEAP SCRAPER LOADING 2.5O N/A 2.8O N/A 3.O N/A ITSELF 1155E 7.O 9.O 7.3O 9.3O 7.5O 9.5O TRAM 6.O 7.O 6.3O 7.3O 6.5O 7.5O ATC CLAMSHELL 16.O 19.O 16.3O 19.3O 16.5O 19.5O SCRAPER PUSH 1.43 1.71 1.73 2.01 1.93 2.21 LOADED
X 65 (RRF) ROLLING RESISTANCE FACTOR 2,164.50 or 2,165 (RR) STEP # 8 GRADE RESISTANCE / GRADE ASSISTANCE 33.30 (ST) X 20 X -2 = 1,332 (-GA) STEP #9 REQUIRED POUNDS OF PULL (RPP) TRAVEL SPEED MPH. 2,165 (RR) -1,332 (-GA) 833 (RPP) (ON SLIDE #94-99) j. STEP #10 Time: Is the time required to LOAD, HAUL, SPREAD, and RETURN. This is figured by adding Time (Fix-T) and Travel Time (TT) to get cycle time (CT). a. Fixed Time: is the time spent during an equipment cycle other than hauling and returning. This includes positioning, loading, unloading, turning, accelerating and decelerating all of which are fairly constant or fixed. Fixed times are determined from Table #6-2. To use Table 6-2, start with the gear you are hauling in. TABLE #6-2 FIXED TIME EQUIPMENT LOADING SCRAPER 1ST GEAR HAUL 2ND GEAR HAUL 3RD GEAR HAUL 4TH GEAR HAUL 5TH GEAR HAUL 6TH GEAR HAUL 7TH GEAR HAUL 8TH GEAR HAUL STRUCK HEAP STRUCK HEAP STRUCK HEAP SCRAPER LOADING ITSELF 2.5O N/A 2.8O N/A 3.O N/A 1155E 7.O 9.O 7.3O 9.3O 7.5O 9.5O TRAM 6.O 7.O 6.3O 7.3O 6.5O 7.5O ATC CLAMSHELL 16.O 19.O 16.3O 19.3O 16.5O 19.5O SCRAPER PUSH LOADED 1.43 1.71 1.73 2.01 1.93 2.21
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