Yard Utilization
Container stacking density and yard capacity.
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The Challenge of Yard Density
A container terminal yard acts as a strategic buffer between maritime and inland transport. When yard utilization crosses critical thresholds, operational efficiency degrades exponentially due to an increase in "Container Shuffles"�the need to move top boxes to reach a target container below.
Capacity Engineering:
- Stacking Physics: While a higher stack (up to 5-6 high with RTGs) increases capacity, it exponentially increases the probability of re-handles, slowing down truck turnaround times.
- The 85% Rule: In the port industry, 85% utilization is considered 100% "Operational Capacity". Beyond this point, the yard is effectively choked, requiring emergency storage or vessel diversions.
Logistics professionals use this tool to synchronize vessel arrivals with yard evacuation rates. Managing the Peaking Factor ensures that the terminal can handle sudden influxes from mega-vessel calls without triggering a gate-in suspension.