Question: You are a project engineer preparing for a big concrete job. You are placing concrete for a new 5-story concrete building that will require the

You are a project engineer preparing for a big concrete job. You are placing concrete for a new 5-story concrete building that will require the use of a concrete pump truck. After referencing your estimating books, you determine that concrete can be placed at a rate of 60 to 90 Cubic Yards an hour by your crew. Given what you know about queueing systems, at what rate should the concrete trucks arrive on site to optimize the utilization of the concrete crew? Note: 1 concrete truck carries 9 cubic yards of concrete

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