Mc 331 cargo tank pdf

Shippers or carriers, except as provided for in the regulations, are required to perform periodic analyses for the prescribed water. Mc306 and dot 406 tankers are elliptical when viewed from the rear. Pressure testing is not required for mc 330 or mc 331 cargo tanks in dedicated sodium metal service. Specification mc 331 phmsa us department of transportation. A higher integrity tank used instead of a specified tank must meet the same design profile for example, an mc 331 cargo tank must be lined if used in place of a lined mc 312 cargo tank. A specification mc330 or mc331 cargo tank or a nonspecification cargo tank meeting, and marked in conformance with. Mc 331 is usually a compressed liquefied gas tanker carrying things like lpg or anhydrous ammonia. Specifications mc 330 cargo tanks may be painted as specified for mc 331 cargo tanks. Container technology and npga suggest that this is unnecessary and that mc 331 cargo tanks typically incorporate several different weld methods and materials. This was an 18month project which concluded in june. They discuss the specifications of these tanks and their thoughts on the remediation of a dot 407related possible emergency. Compliant solutions to frequently violated sections of lp. This action was granted to allow additional timefor rspa and industry to address certain technical issues concerning the manufacture of cargo tank motor vehicles to the dot 406, dot 407 and dot 412 specifications, and to resolve.

They usually have a heavy, builtup top that is hollowed out to contain small spills. General requirements applicable to all dot specification cargo tank motor vehicles. Cargo tank facilities that inspect, test, or repair trinity industries mc 331 cargo tanks manufactured between 1996 and 2006 must maintain a current copy of sp 14689 at each repair facility where the cargo tank motor vehicle is tested or repaired, and follow the procedures established by sp 14689. Guidelines for inspection and repair of mc330 and mc331 anhydrous ammonia cargo tanks formerly tb2 cga on. Common methods for product transfer given mc306dot406, mc307dot407, mc312dot412, mc331, and mc338 cargo tanks, identify the common methods for product transfer from each type of cargo tank. Each mc 330 and mc 331 cargo tank constructed of quenched and tempered steel in accordance with part uht in section viii of the asme code and used for the transportation of liquefied petroleum gas must be internally inspected by the wet. Attachment of appurtenances to mc331 cargo tanks fmcsa. This is mc 331 cargo tank inspections by cvsa multimedia on vimeo, the home for. Mc 331 cargo tanks of less than 3,500 gallons water capacity in dedicated propane service constructed of nonquenched and tempered nqt sa 612 steel. Mc 330 and mc 331 cargo tanks may be leakage tested with the hazardous materials contained in the tank during the test. Mc331 is usually a compressed liquefied gas tanker carrying things like lpg or anhydrous ammonia. Title 49 part 178 title 49 subtitle b chapter i subchapter c part 178. Every uninsulated cargo tank permanently attached to a cargo tank motor vehicle shall, unless covered with a jacket made of aluminum, stainless steel or other bright nontarnishing metal, be painted a white.

Factors that affect the service life of cargo tanks. Mc331 cargo tank, or an american society of mechanical engineers code constructed and national board registered mobile storage container, approved by the united states department of transportation, used for the temporary storage of anhydrous ammonia to be downloaded into a nurse tank. Mc331 transport trailer 8006322038 built for the long haul the mc331 transport trailer has been constructed in full accordance with the latest requirements of american society of mechanical engineering code, nfpa pamphlet 58 and dot specification mc331. Tc331 highway tank for liquefied compressed gases e. Thmg084 mc 331 compressed gas cargo tanker overview. Pressure testing is not required for uninsulated lined cargo tanks, with a design pressure mawp 15 psig or less, which receive an external visual inspection and lining inspection at least once each year.

Guidelines for the operation, assembly, repair, testing. Nh3 cargo tanks built after 1985 must be mounted on the left side. Dot specification tank suitable for anhydrous ammonia a. Rules and regulations department of transportation. The cargo tanks are manufactured by trinity containers, llc to the dot mc331 specification and constructed of nqt steel with baffle support assemblies welded to the inside of the cargo tank wall with out the use of pads. The april 18 final rule requires a name plate on an mc 331 cargo tank to include information about the weld material used on the cargo tank. Mc306 dot 406 non low pressure bulk liquid cargo tank. Voluntary,compliance for manufacture of cargo tanks to these new or revised specifications was authorized beginning on october 1, 1990. This is inspecting mc331 cargo tanks by cvsa multimedia on vimeo, the home for high quality videos and the people who love them.

The requirements in this paragraph do not apply to mc 330, mc 331 and mc 338 cargo tanks. Compliant solutions to frequently violated sections of lpgas codes or standards. If cargo tanks and portable tank containers for carbon dioxide. If this option is chosen, however, the cargo tank serial number, assigned by the cargo tank manufacturer, must appear on the specification plate. Guidelines for inspection and repair of mc330 and mc331. As manufacturers began modifying their manufacturing operations to construct cargo tanks to the new requirements, they encountered certain. Mc 330, mc 331, and nonspecification cargo tank motor vehicles in metered delivery service with water capacities greater than 3,500 gallons and used to transport flammable gases division 2. Design pressure shall be at least 690 kpa 100 psi and not more than.

Mc 331 cargo tank motor vehicles with a water capacity greater than 3,000 gallons but not greater than 5,400 gallons. The same information that is required on 400 series tanks, in the same order, is required on mc 331 cargo tanks, in addition to. Notice regarding trinity lvianufactured mc 331 cargo tanks. Dot specification cargo tanks must be registered with the u. Leakage test pressure must be not less than 80 percent of the tank design pressure or mawp, whichever is marked on the certification or specification plate, except as follows. The cargo tanks are manufactured by trinity containers, llc to the dot mc 331 specification and constructed of nqt steel with baffle support assemblies welded to the inside of the cargo tank wall with out the use of pads. All cargo tanks transporting lading corrosive to the tank. Kepa27 for a cargo tank tested under detectable without the use of instruments.

Subpart equalification and maintenance of cargo tanks. Mc 331 cargo tanks of less than 3,500 gallons water capacity in dedicated propane service constructed of nqt. Mc 331 cargo tanks less than 3,500 gallons water capacity in dedicated propane service constructed of nonquenched and tempered nqt sa612 steel see note 5 10 years. Ive started hauling propane tanks, so i wanted to do an overview of the mc331 propane trailer. Mc331 cargo tank motor vehicles with a water capacity greater than 3,000 gallons but not greater than 5,400 gallons. By far the most common product carried in them is gasoline or other flammable liquids. In this episode, bob and mike talk about the mc331 pressurized container. Anhydrous ammonia shipped in dot specification mc330 or mc331 cargo tanks constructed of quenched and tempered steel ot must have a minimum water content of 0. Guidelines for inspection and repair of mc330 and mc331 anhydrous ammonia cargo tanks formerly tb2.

All insulated cargo tanks, except mc 330, mc 331, mc 338 see note 4 september 1, 1991. Compressed liquefied gases 100 to 500 psi working pressure. These tankers have one or more domes and dome covers, generally one dome per compartment in the tank. Inspect all delivery hoses and hose assembly at least once each calendar month for damage as follows. Mc330331 cargo tank nurse tanks have no emergency shut. In this episode, bob and mike talk about the mc 331 pressurized container. Identify the term shipping papers as it relates to hazardous materials or hazardous substances, and.

Mc 312, dot 407 or dot 412 type cargo tank may be used where mc 306 or dot 406 type cargo tanks are authorized. Hazardous materials transportation training modules version. We distinguish between different kinds of tankers based on what they hold. Society of mechanical engineers has to certify every one of these tanks to make sure they re. Compressed gases in cargo tanks and portable tanks.