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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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Public Service Commission |
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Chapter Michigan Gas Safety Standards |
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Part 3. ADDITIONAL MINIMUM SAFETY STANDARDS |
Section 460.20308. Customer meters and regulators; location.
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The requirements contained in 49 C.F.R. §192.353, which is adopted by reference in R 460.20606, are superseded by all of the following provisions:
(a) An operator shall ensure that a customer's meter and regulator installation is located outside the building or shall include an outside above grade riser, except for the following:
(i) A distribution system that operates at 10 psig or less if an outside meter set assembly is not practical.
(ii) A commercial building, industrial building, or apartment building if an outside meter set assembly is not practical.
(iii) Row-type houses or houses where the proximity of adjoining buildings makes outside meter set assemblies impractical.
(b) A service line excluded under subrule (1) of this rule shall include an outside above grade riser, if practical.
(c) If an outside meter set assembly or an outside above grade riser is installed, then the above grade piping shall be designed to prevent an external force that is applied to the service line from being transferred to and damaging the inside piping.
(d) An operator shall install a meter and service regulator, whether inside or outside of a building, in a readily accessible location and shall protect the meter and regulator from corrosion and other damage. An operator shall not install a meter in a bedroom, closet, bathroom, under a combustible stairway, or in an unventilated or inaccessible place.
(e) An operator shall ensure that a service regulator installed in a building is located as near as practical to the point of service line entrance.
(f) An operator shall ensure that a meter installed in a building is located in a ventilated place not less than 3 feet from a source of ignition or heat that might damage the meter.
(g) An operator shall ensure that the upstream regulator in a series is located outside of the building unless it is located in a separate metering or regulating building.
History: 1998-2000 AACS.