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TITLE 16ECONOMIC REGULATION
PART 1RAILROAD COMMISSION OF TEXAS
CHAPTER 9LP-GAS SAFETY RULES
SUBCHAPTER CVEHICLES
RULE §9.201Applicability

(a) This subchapter applies to transport containers and moveable fuel storage tenders such as farm carts constructed to MC-330 or MC-331 Department of Transportation (DOT) specifications, nonspecification units, container delivery units, school buses, mass transit vehicles, special transit vehicles, and public transportation vehicles.

  (1) Transfer of LP-gas from one transport to another shall be permitted only through a hose with a nominal inside diameter of 1 1/4 inch or less and protected by an off-truck remote control shutdown as required in Title 49 Code of Federal Regulations (CFR) §173.315(n)(3).

  (2) An LP-gas transport shall not be joined to manifold piping or to a stationary container for use as an auxiliary storage container at any stationary installation except with prior approval from AFS.

(b) All transports and moveable fuel storage tenders shall comply with MC-330 or MC-331, or the exemption in 49 CFR §173.315(k).

(c) Licensees and ultimate consumers shall comply with other DOT or motor vehicle requirements, if applicable. In addition, transports and container delivery units shall also comply with the applicable sections of 49 CFR, the Federal Motor Vehicle Safety Standards, and any other applicable regulations. Examples of such additional requirements are as follows:

  (1) 49 CFR §177.834(j) states: "Except for a cargo tank conforming to §173.29(b)(2) of this subchapter, a person may not drive a cargo tank motor vehicle containing a hazardous material regardless of quantity unless: (1) All manhole closures are closed and secured; and (2) All valves and other closures in liquid discharge systems are closed and free of leaks, except external emergency self-closing valves on MC 338 cargo tanks containing the residue of cryogenic liquids may remain either open or closed during transit."

  (2) 49 CFR §177.840(g) states: "Each liquid discharge valve on a cargo tank motor vehicle, other than an engine fuel line valve, must be closed during transportation except during loading and unloading."

  (3) 49 CFR §180.405(n) states: "Thermal activation. No later than the date of its first scheduled leakage test after July 1, 1999, each specification MC 330 or MC 331 cargo tank motor vehicle and each nonspecification cargo tank motor vehicle conforming to §173.315(k) of this subchapter, marked and certified before July 1, 1999, that is used to transport a liquefied compressed gas, other than carbon dioxide and chlorine, that has a water capacity of 13,247.5 liters (3,500 gallons) or less must be equipped with a means of thermal activation for the internal self-closing stop valve as specified in §178.337-8(a)(4) of this subchapter."


Source Note: The provisions of this §9.201 adopted to be effective February 1, 2001, 26 TexReg 947; amended to be effective September 1, 2005, 30 TexReg 4810; amended to be effective December 24, 2012, 37 TexReg 9913; amended to be effective January 6, 2020, 45 TexReg 127

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