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Incremental air requirement

Incremental air requirement

(IAR): The quantity of air required in excess of the Base Air Requirement. Air compressors are designed as frame sizes. Each frame size will deliver up to a certain amount of flow. Many times the air requirement of a customer will fall in the middle to bottom of a compressor frame. This creates additional available capacity from the compressor or air station. This additional capacity may not be utilize initially, but is available, usually at a reduced rate, to the customer in the future. Incremental air capacity can be intentionally built into the air station, but this usually results in additional capital cost which is reflected in the facility fee.(0301)