Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

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Effective Date: 12/20/1998, Docket: CP96-159-006, Status: Effective

Original Sheet No.78 Original Sheet No.78 : Effective






4.3 Correction of Metering Errors:


If Transporter's measurement equipment installed under

Section 4.1 above or any other equipment installed

under subsections 3.2(c), and 3.2(d) above is found to

be inoperative or inaccurate, such equipment shall be

adjusted to register correctly, and the amount of error

shall be determined by the most accurate method

feasible. If the inaccuracy shall have resulted in an

error of more than 2 % in the measurement of gas, then

the calculated deliveries of gas shall be adjusted to

compensate for such error. Such adjustment shall be

made for such period of inaccuracy as may be definitely

known. If the period of inaccuracy shall not be

definitely known, then such adjustment shall be made

for the last half of the period (but not exceeding 15

days) between the time the metering equipment was

adjusted to register correctly and the date of the last

previous meter test. If for any reason the measuring

equipment is out of service or out of repair so that

the amount of gas delivered cannot be ascertained or

computed from the readings thereof, the amount of gas

delivered during such period shall be estimated and

agreed upon by the use of the first of the following

methods which is feasible: (a) by using the

registration of any check measuring equipment if

installed and accurately registering; (b) by correcting

the error if the percentage of error is ascertainable

by calibration, test or mathematical calculation; or

(c) by estimating the quantity of gas delivered by

reference to actual deliveries during proceeding

periods under similar conditions when the equipment in

question was registering accurately.


4.4 Check Measuring Equipment:


Shipper may install, maintain and operate, at its

own expense, such check measuring equipment as it

shall desire, provided that such equipment shall

be so installed as not to interfere with the

operation of Transporter's measuring equipment.