Northern Natural Gas Company

Fifth Revised Volume No. 1

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Effective Date: 11/01/1993, Docket: RS92- 8-004, Status: Effective

Original Sheet No. 482 Original Sheet No. 482 : Effective




Page 4 of 7


4. Capacity Constraints


In the event that a capacity constraint or a force majeure


event, as defined in Northern's tariff, occurs which results in


curtailment of quantities through the [Interconnection/Receipt


Point(s)], the party on whose system the constraint has occurred


shall determine any reallocation of quantities to its respective


shippers. Any changes in allocation shall be confirmed in


writing in the form set forth in Exhibit 2 or in any other form


agreeable to the parties. If the capacity constraint occurs at


the [Interconnection/Receipt Point(s)], the party which operates


the measurement facilities at such point(s) shall be deemed to


have the constraint on its pipeline system.


5. Measurement


All quantities of gas hereunder shall be reported in MMBtu,


which shall be determined by multiplying each Mcf of gas


received and delivered by the dry heating value thereof. Any


gas received and delivered to correct the Imbalance shall be


adjusted for variations in BTU content. Measurement of gas for


all purposes hereunder shall be in accordance with the


provisions set forth in the effective F.E.R.C. Gas Tariff of the


party operating the measurement facilities at the


[Interconnection/Receipt Point(s)].




6. Term


This Agreement shall be effective ___________, and shall


continue on a monthly basis until cancelled by either party