Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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Effective Date: 09/03/2004, Docket: RP04-440-000, Status: Effective

First Revised Sheet No. 174 First Revised Sheet No. 174 : Effective

Superseding: Original Sheet No. 174

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

27. PLANNED GTN CAPACITY CURTAILMENTS AND INTERRUPTIONS

27.1 When GTN needs to temporarily curtail or interrupt

service to any Shipper hereunder for the purpose of making

planned alterations or repairs, GTN shall give Shipper

as much notice as possible of the process so that each Shipper's

firm transportation requirements are taken into account in the

planning process.

27.2 In the spring of each year GTN shall publish on its

Internet website to all Shippers a schedule of planned major

maintenance and repairs which affect system capacity. The schedule

shall show the estimated delivery point capacity for the next 12

months.

27.3 On a daily basis GTN shall post, on its Internet website, capacity

for each forthcoming gas day plus the estimated capacity for the

next two gas days.

(Continued)