Ready-Mix Concrete Order (Trucks, Waste, Short Load)
Ordered = in-place volume x (1 + waste%), trucks = ceil(ordered/capacity), short-load fee below the plant minimum. 42 yd^3 at 8% waste, 10 yd^3 trucks -> 45.4 yd^3, 5 trucks, 5.4 yd^3 last load, no fee; a small 6 yd^3 pour trips the sub-10 yd^3 short-load fee. Ordering a little long beats a second delivery. The supplier's terms govern.
Formula and source
ordered = volume x (1 + waste%); trucks = ceil(ordered / load); last_load = ordered - (trucks-1) x load; short_load if ordered < min.
Ready-mix concrete ordering (volume, waste allowance, truckloads, short-load minimum), standard concrete-supply practice, by name.
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