Pacific Gas Transmission Company

First Revised Volume No. 1-A

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Effective Date: 04/01/1999, Docket: RP99-248-000, Status: Effective

Fourth Revised Sheet No. 81C Fourth Revised Sheet No. 81C : Effective

Superseding: Third Revised Sheet No. 81C






PG&E GT-NW shall have the right to curtail, interrupt, or discontinue

Transportation Service on any portion of its system at any time for

reasons of Force Majeure or when capacity, supply, or operating

conditions so require or it is necessary or desirable to make

modifications, repairs, or operating changes to its system. PG&E GT-NW

shall provide notice of such occurrences as is reasonable under the



Capacity may become constrained at individual receipt points, delivery

points or on segments of the pipeline. PG&E GT-NW shall exercise this

curtailment provision only at the point(s) or segment(s) of the

pipeline affected by the constraint. When capacity is constrained or

otherwise insufficient to serve all the transportation requirements

which are scheduled to receive service, PG&E GT-NW shall curtail

Authorized Imbalance Service; followed by Interruptible Service,

and finally Firm service.


Curtailment of Authorized Imbalance Service, if necessary, shall be

performed in the opposite order of scheduling as set forth in

Section 19.3 of this Tariff.


Curtailment of Interruptible Service, if necessary, will be performed

in the opposite order of scheduling set forth in Section 19.2 of this



Curtailment of firm service if necessary, will be performed pro rata

based on the MDQ across the contracts scheduled to use the capacity at

the applicable receipt points, delivery point(s)or mainline segment(s)

of pipeline.