Dominion Transmission, Inc.

Third Revised Volume No. 1

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Effective Date: 05/26/2010, Docket: RP10-643-000, Status: Effective

Second Revised Sheet No. 1066 Second Revised Sheet No. 1066

Superseding: First Revised Sheet No. 1066

GENERAL TERMS AND CONDITIONS

Operational Flow Orders

Once an operational flow order has been issued,

Pipeline will cooperate with the affected Customers

to accomplish the results intended by the OFO. So

long as Pipeline acts reasonably and in good faith,

Pipeline shall not be held liable for any damages

whatsoever suffered by Customer or by any third

party.

C. Description and Contents of OFOs.

1. An OFO shall be an announcement by Pipeline that:

a. will advise Customer of operating conditions

which may affect its services; examples

include but are not limited to circumstances

where operating constraints preclude or

limit Winter Period injections (Section 7.5

of Rate Schedules GSS and GSS-E) or From

Customer's Balance Services (Section 9.8(c)

of Rate Schedule FTNN); or

b. will direct a Customer or class of Customers

to take specific action; examples include

but are not limited to OFOs directing a

Customer to limit hourly takes (Section

9.5.A of Rate Schedule FTNN) and OFOs

directing Customers to deliver specific

quantities to Pipeline at specific Receipt

Points (Section 11B.2 below).

2. Each OFO shall contain the following information:

a. time and date of issuance;

b. time that OFO is effective;

c. duration of OFO (if none is specified, the

OFO will remain effective until further

notice);

d. the Customer(s) or class of Customers

affected by the OFO;

e. the action, if any, that Customer(s) must

take; and

f. any other information required by the terms

of this Tariff.