Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

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Effective Date: 04/07/2006, Docket: RP06-267-000, Status: Effective

Second Revised Sheet No. 139A Second Revised Sheet No. 139A : Effective

Superseding: First Revised Sheet No. 139A






(i) MRT may invoke the provisions of this Section 9 to

suspend or limit a Customer's right to segment a Primary Path, or

otherwise limit aspects of segmentation.


9.8 System Protection Warnings


(a) To the extent operationally feasible, MRT will post a

System Protection Warning if MRT anticipates problems which threaten

overall operational integrity on any portion or all of its system. The

System Protection Warning will identify the portion of MRT's system

which is affected, the nature of the potential system integrity problem,

recommendations regarding Customer actions and/or alternatives which

would result in the lowest likelihood and/or most limited application of

an OFO, and the estimated duration of the warning. It will also state

whether the potential system integrity problem is anticipated to be

caused by excess gas or a gas deficiency.


(b) While a System Protection Warning is in effect, Customers

are required to minimize any variances between scheduled quantities and

actual flows. Customers are also required to minimize any imbalance

between receipts and deliveries. Deviations from scheduled quantities

or imbalances which benefit overall system operation will be permitted

without penalty.


(c) Receipt and delivery of make up gas pursuant to Section 10

may be suspended while a System Protection Warning is in effect. Make

up quantities which benefit overall system operations may be permitted

without penalty.