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2 cards from this section. Quick, good the night before a test.
What is the formula for cycle time?
Think about each component involved in the operation.
Define fixed time in terms of cycle time.
Recall the examples given in class regarding loading and dumping.
What does the acronym ADBT stand for in the context of cycle time?
Focus on the terms related to the movement of the machine.
True or False: Increasing the load beyond the optimal capacity will always increase productivity.
Reflect on how efficiency changes with varying loads.
A construction crew is planning to optimize their earth-moving operation. If they have three scrapers each needing an ADBT of 0.25 minutes and a haul distance costing them 4 minutes each way for a loaded trip, and a return time of 3 minutes, calculate the cycle time if load time is 1.5 minutes and dump time is 1 minute.
Carefully sum each distinct part of cycle time.
After assessing the load growth curve, a project manager decided to set an optimal loading capacity that ensures the loading rate does not drop below 75%. If the maximum payload is 25 m3, what should the manager aim for as a safe loading limit?
Calculate using percentages.
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