Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 06/02/2006, Docket: RP06-344-000, Status: Effective

Second Revised Sheet No. 186 Second Revised Sheet No. 186 : Effective

Superseding: First Revised Sheet No. 186



5. MEASUREMENT (Continued)


5.11 Correction of metering errors - failure of meters: In the event

a meter is out of service, or registering inaccurately, the volume

and/or quantity of gas gathered, transported, and/or stored shall be



5.11.1 By using the registration of any check meter or meters,

if installed and accurately registering; or, in the absence of

Subsection 5.11.1, then


5.11.2 By correcting the error if the percentage of error is

ascertainable by calibration, tests or mathematical calculation;

or in the absence of both Subsections 5.11.1 and 5.11.2, then


5.11.3 By estimating the volume and/or quantity based on

periods of similar conditions when the meter was registering



5.11.4 Measurement data corrections should be processed within

six months of the production month with a three month rebuttal

period. This shall not apply in the case of deliberate omission

or misrepresentation or mutual mistake of fact. The parties'

other statutory, tariff and/or contractual rights shall not

otherwise be diminished by this provision.


5.12 Preservation of metering records: Transporter and Point

Operator shall each preserve, for a period of at least three years, all

test data, charts and other similar records.




6.1 Properties and facilities: Unless otherwise agreed in writing,

Transporter shall only be responsible for the maintenance and operation

of its own properties and facilities and shall not be responsible for

the maintenance or operation of any other properties or facilities

connected in any way with the services to be performed pursuant to this



6.2 Alterations and repairs: Transporter shall have the right,

without liability to Shipper(s), to interrupt the gathering,

transportation, and/or storage of gas for Shipper(s), when necessary to

test, alter, modify, enlarge, or repair any facility