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Specifying a Constraint

To specify a constraint in your network: (in this example we will enter a 5,000 mcf/d gas limit at the plant)

Enter the constraint, the effective date of the constraint, and the product that it applies to.  Multiple constraints can be entered for multiple products at a facility.  For example, you might have a gas constraint along with either a sulfur and or water capacity constraint.  You should limit the constraints to those that will actually impact your production.  Unnecessary constraints will increase your calculation time.

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