Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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Effective Date: 04/25/2007, Docket: RP07-360-000, Status: Effective

Original Sheet No. 109 Original Sheet No. 109 : Effective






30.1 Declaration of OFOs. The declaration to the affected parties of

OFOs, critical periods, and/or critical notices shall describe the conditions

and the specific responses required from the affected parties.


30.2 Notice Procedures of OFOs. Overthrust will monitor pipeline

activity on a continual basis to foresee and forewarn Shippers, where

possible, of conditions requiring an OFO, including (i) physical inability to

transport gas due to operational constraints, (ii) force majeure as described

in the definitions of these General Terms and Conditions and (iii) unexpected

operating conditions such as peak demand, Shipper imbalances, weather

impacts, impacts caused by interconnecting pipelines, etc. Upon issuance of

an OFO, notification will be posted on Overthrust's Informational Postings

and Overthrust will support further notification, to be designated by

Shipper, through the following channels: (1) up to two internet e-mail

addresses provided by Shipper or (2) additional electronic notification

designated by Shipper. The notice shall specify (a) the time and date of

issuance of the notice, (b) the actions that affected shippers are required

to take, (c) the nature of the problem sought to be addressed, (d) the time

by which affected shippers must comply with the OFO, (e) the anticipated

duration of the OFO (unless otherwise indicated in the notice, the OFO will

remain in effect until Overthrust contacts the affected Shippers) and (f) the

ongoing status and progress of resolution of the OFO and any other

conditions. Shippers must notify Overthrust of the name and telephone number

of a person who will be available on a 24-hour basis to receive notice of the

issuance of an OFO. After an occurrence of an OFO, Overthrust will provide

information as soon as available to its customers on the Informational

Postings section of its web site regarding the factors causing the OFO to be

issued and released.