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Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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TITLE 165. Corporation Commission |
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Chapter 45. Gas Service Utilities |
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Subchapter 5. Meters and Regulators |
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Part 3. TESTING |
SECTION 165:45-5-13. Periodic testing of meters and test equipment
Latest version.
- (a) Every utility shall make periodic tests of all meters, associated devices, and instruments to insure their accuracy. Such tests shall be scheduled within the calendar year, or earlier, when the interval is stated in years; or within the calendar month, or earlier, when the interval is stated in months. The basic periodic test interval shall not be longer than provided in the following schedule (Note: Maintenance programs suggested by manufacturers of the following meters and devices should be carefully followed.):(1) Positive displacement meters:(A) Schedule as provided in programs submitted to and approved by the Commission as provided in subsection (b) of this Section(B) 500 c.f./hr. or less - 10 years(C) 501 to 1500 c.f./hr. - 7 years(D) 1501 to 2500 c.f./hr. - 5 years(E) Over 2500 c.f./hr. - 3 years(2) Orifice meters - 6 months(3) Base pressure correcting devices - 24 months(4) Base volume correcting devices - 24 months(5) Secondary standards:(A) Immersion Type Cubic-Foot Bottle, one (1) cubic foot - 10 years(B) Dead weight tester - 10 years(C) Pneumatic dead weight tester - 2 years(6) Working standards:(A) Bell provers - 5 years(B) Rotary displacement test meters - 5 years(C) Flow provers - 5 years(D) Laboratory quality indicating pressure gauges - 6 months(b) The Commission may, upon application of the utility and after notice and hearing, extend the test intervals on any meters or class of meters, based upon a statistical sampling methodology or a similar methodology, upon proper showing that the extension would not be detrimental to consumers.