Walk a Dock Constraint Tradeoff
Choose dock actions by following the constraint instead of the loudest queue.
Pressure point Outbound trailers are waiting, inbound receipts are blocking aisles, and the shift has two hours left. The wrong first move creates a second problem. Value Stream Mapping (Lean Enterprise Institute) Value stream mapping makes material and information flow visible from trigger to customer. Its mechanism is separating processing time from elapsed lead time, then exposing waiting, rework, and excess movement. In logistics, the hidden constraint is often not the task people are doing; it is the queue, missing signal, exception hold, or handoff between tasks. Mapping both the shipment and the information signal prevents teams from adding effort…
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