Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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Effective Date: 05/01/2010, Docket: RP10-567-000, Status: Effective

First Revised Sheet No. 566 First Revised Sheet No. 566

Superseding: Original Sheet No. 566

GENERAL TERMS AND CONDITIONS

(continued)

20. OPERATIONAL CONTROLS (continued)

Operational Flow Order shall consist of actions or measures

required by Transporter that neutralize or reduce threats

to, or otherwise preserve, the integrity of all or a portion

of its system which requires immediate response as

determined by Transporter in its sole discretion. Unless

previously notified by issuance of an Operational Alert,

Transporter shall make a reasonable effort to provide 24

hours' notice of the issuance of an Operational Flow Order.

Operational Flow Orders shall describe in reasonable detail

the type of Operational Flow Order which is being issued

(Standard or Emergency Response), the operational problem to

be addressed, the action required to be taken, the parties

affected, the time by which Shippers must take the required

action, the conditions which will cause the Operational Flow

Order to end, and the period during which the Operational

Flow Orders shall be in effect. To the extent that the

effective period of the Operational Flow Order is dependent

on operational variables, Transporter will post information

about the status of such variables during the effective

period of such Operational Flow Order, as soon as

practicable after, and to the extent that, such information

becomes available to Transporter. Operational Flow Orders

may require a Shipper or Shippers to take any of the

following actions, or similar actions, to the