Sea Robin Pipeline Company, LLC

Second Revised Volume No. 1

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Effective Date: 12/31/2004, Docket: RP05- 87-000, Status: Effective

Original Sheet No. 171 Original Sheet No. 171 : Effective









13.1 Unit of Volume


The unit of volume for measurement of gas for all purposes

shall be one (1) cubic foot of gas at a base temperature of 60

degrees (60 ) Fahrenheit and at a pressure of 14.73 psia, which

shall be deemed the pressure at all Sea Robin Points of

Receipt. Measurement data may be recorded using charts or

electronic recorders or instantaneous flow computations in

electronic flow computers. Where measurement is by orifice

meter, all fundamental constants, observations, records, and

procedures involved in the determination and/or verification of

the quantity and other characteristics of gas delivered

hereunder shall, unless otherwise specified herein, be in

accordance with the standards prescribed in the Orifice

Metering of Natural Gas and Other Related Hydrocarbon Fluids,

American Gas Association Report No. 3, as revised September

1985, and as such report may hereafter be further revised.

Exact measurements of inside diameters of meter tubes shall be

obtained by means of a micrometer to the nearest one-thousandth

inch. Unless specified otherwise, measurement by turbine meter

shall be in accordance with formulae, tables and methods set

forth in Gas Measurement Committee Report No. 7 of the American

Gas Association as published in 1981, and as such report may be

further revised. All volumes shall be corrected for flowing

temperature and specific gravity in accordance with the

provisions of Sections 13.4 and 13.5 below. Measurement data

may at Sea Robin's election be recorded and/or accumulated by

using chart recorders, digital recorders or flow computers.

Where measurement is by other than orifice or turbine meter,

standards commonly acceptable in the industry shall be used in

the determination of all factors involved in the computation of

gas volumes.


13.2 Basis


The measurement hereunder shall be corrected for deviation from

Boyle's Law at the pressures and temperatures under which gas

is measured hereunder in accordance with the method referenced

in AGA Report No. 3 or such other method as may be mutually

agreed upon by Sea Robin and Shipper; provided, however, that

where gas is delivered through positive displacement meters at

a pressure not in excess of 20 pounds per square inch gauge,

the gas may be assumed to obey Boyle's Law.