Dominion Transmission, Inc.

Third Revised Volume No. 1

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Effective Date: 09/23/2000, Docket: RP00-555-000, Status: Effective

Original Sheet No. 1086 Original Sheet No. 1086 : Effective

GENERAL TERMS AND CONDITIONS

Operational Flow Orders

2. Pipeline may issue such OFOs when excess

deliveries by Customers:

a. cannot be tolerated operationally because

Pipeline's storage pools are full; or

b. jeopardize Pipeline's ability to receive

gas for injection as required by

Pipeline's Service Agreements and this

Tariff; or

c. cannot be tolerated operationally because

markets directly connected to a receipt

point cannot accept the quantities

nominated for delivery for any reason,

including changes in weather.

3. Pipeline may issue such OFOs when insufficient

deliveries by Customers:

a. may cause Pipeline to issue an OFO under

Section 11B.3. above; or

b. cannot be tolerated operationally because

Pipeline's storage pools are depleted

below the levels required for Pipeline to

manage such insufficient deliveries

without limiting firm services to other

Customers or imposing additional OFOs on

Pipeline's system; or

c. cannot be tolerated operationally because

one or more Customers have failed to

comply with an OFO issued under Section

11B.2. above; or

d. cannot be tolerated operationally because

markets directly connected to a new

receipt point require deliveries of

additional quantities for any reason,

including changes in weather.