Portland Natural Gas Transmission System

Second Revised Volume No. 1

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Effective Date: 09/01/2006, Docket: RP06-449-000, Status: Effective

Original Sheet No. 301 Original Sheet No. 301 : Effective






These General Terms and Conditions shall apply to all service rendered

by Transporter and shall be considered a part of Transporter's Rate Schedules

and Gas Transportation Contracts. Except as provided in Section 3.5 of each

Rate Schedule, these General Terms and Conditions shall control in the event

of a conflict between these General Terms and Conditions and any Gas

Transportation Contract.




Except where another meaning is expressly stated, the following terms

shall have the following meanings when used in this Tariff and in any Gas

Transportation Contract incorporating this Tariff. Whenever the singular or

neuter is used the same shall be construed as meaning the plural or corporate

and vice versa where the context so requires:


2.1 British Thermal Unit or BTU: shall mean the amount of heat

required to raise the temperature of one pound of distilled water 1 degree

Fahrenheit at 60 degrees Fahrenheit, at a constant pressure of 14.73 pounds

per square inch absolute.


2.2 Business Day: shall mean the period from 8:00 a.m. to 6:00 p.m.

Eastern Time, Monday through Friday, excluding Federal banking holidays for

transactions in the U.S., and similar holidays for transactions occurring in

Canada and Mexico.


2.3 Commencement Date: shall mean the date on which service begins, as

set forth in a Gas Transportation Contract, or the date on which the

facilities required to enable Transporter to render service to Shipper are

constructed, installed and made operational, as set forth in Transporter's

initial written notice to Shipper, which shall be given at least thirty (30)

Days in advance of the estimated date ("Advance Notice"), followed by a

written notice to transport Shipper's Gas by Transporter ("Final Notice"),

which shall be given not less than five (5) Days prior to the date on which

the service shall begin, unless Shipper and Transporter mutually agree to a

shorter notice period.


2.4 Cubic Foot: shall mean the volume of Gas which occupies one cubic

foot when such Gas is at a temperature of 60 degrees Fahrenheit, and at a

pressure of 14.73 pounds per square inch absolute.


2.5 Day or Daily: shall mean a period of twenty-four consecutive

hours, beginning and ending at 9:00 a.m. Central Clock Time.