Supply Chain Glossary - C

capacity constraint resource (CCR) or CCR

A resource that is not a constraint but will become a constraint unless scheduled carefully.

The process of measuring production output and comparing it with the capacity plan, determining if the variance exceeds preestablished limits, and taking corrective action to get back on plan if the limits are exceeded. See: input/output control.

The function of establishing, measuring, monitoring, and adjusting limits or levels of capacity in order to execute all manufacturing schedules; i.e., the production plan, master production schedule, material requirements plan, and dispatch list. Capacity management is executed at four levels: resource requirements planning, rough-cut capacity planning, capacity requirements planning, and input/output control.

Displaying the specific sources of capacity requirements. This is analogous to pegging in MRP, which displays the source of material -requirements.

The process of determining the amount of capacity required to produce in the future. This process may be performed at an aggregate or product-line level (resource requirements planning), at the master-scheduling level (rough-cut capacity planning), and at the material requirements planning level (capacity requirements planning). See: capacity requirements planning, resource planning, rough-cut capacity planning.


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