Texas Gas Transmission Corporation

First Revised Volume No. 2-A

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Effective Date: 11/01/1990, Docket: RP90-192-000, Status: Effective

Original Sheet No. 81 Original Sheet No. 81 : Effective





both parties in the installation, maintenance, and

operation of pressure regulating equipment so as to

prevent, so far as possible, any inaccuracy in the

determination of the quantity of gas delivered

under this tariff and such equipment shall be

installed in accordance with Minimum Federal Safety

Standards, Materials Transport Bureau, Office of

Pipeline Safety Operations, Part 192, Title 49,

Code of Federal Regulations, and with any other

applicable regulations required by Transporter to

insure integrity.


4.6 Correction of Metering Errors--Failure of Meters:

In the event a meter is out of service, or regis-

tering inaccurately, the volume of gas delivered

shall be determined:


(a) By using the registration of any check meter

or meters, if installed and accurately regis-

tering; or,


(b) In the absence of (a), by correcting the error

if the percentage of error is ascertainable by

calibration tests or mathematical calcula-

tions; or,


(c) In the absence of both (a) and (b), then, by

estimating the quantity of delivery by deliv-

eries during periods under similar conditions

when the meter was registering accurately; or


(d) In the absence of (a), (b), and (c), then by

any mutually agreeable method.


4.7 Preservation of Metering Records: Transporter and

Customer shall each preserve for a period of at

least two years all test data, charts, and other

similar records.