Workers loading and unloading materials should be instructed in safe procedures appropriate to the material they handle. OSHA compliance information that applies to specific activities is also available, 29 (c) No smoking while loading or unloading. All cylinders must be secured so that no shifting occurs in transit. (2) The qualified person attending the unloading operation must have an unobstructed view of the cargo tank and delivery hose to the maximum extent practicable, except during short periods when it is necessary to activate controls or monitor the receiving container. Each operator of a cargo tank motor vehicle that is subject to the emergency discharge control requirements in 173.315(n) of this subchapter must carry on or within the cargo tank motor vehicle written emergency discharge control procedures for all delivery operations. (l) Operating procedure. (3) Bearing a POISON label displaying the text PG III, or bearing a PG III mark adjacent to the POISON label, with materials marked as, or known to be, foodstuffs, feed or any other edible material intended for consumption by humans or animals, unless the package containing the Division 6.1, Packing Group III material is separated in a manner that, in the event of leakage from packages under conditions normally incident to transportation, commingling of hazardous materials with foodstuffs, feed or any other edible material would not occur. Assuming this practice is violated and the load is not otherwise secured by 177-78, 55 FR 52712, Dec. 21, 1990; Amdt. (b) Bonding and grounding containers other than cargo tanks prior to and during transfer of lading. OSHA eTool. (Approved by the Office of Management and Budget under control number 2137-0542). (j) Full equilibration of a cargo tank transporting a Division 2.1 (flammable gas) material that is a cryogenic liquid may only be done at a facility that loads or unloads a Division 2.1 (flammable gas) material that is a cryogenic liquid and must be performed and verified as follows: (1) The temperature and pressure of the liquid must be reduced by a manually controlled release of vapor; and. Related OSHA Safety and Health Topics pages. Such bonding shall be made by first connecting an electric conductor to the container to be filled and subsequently connecting the conductor to the container from which the liquid is to come, and not in any other order. (e) Chlorine cargo tank motor vehicles shall be shipped only when equipped: (1) With a gas mask of a type approved by the National Institute of Occupational Safety and Health (NIOSH) Pittsburgh Research Center, U.S. Department of Health and Human Services for chlorine service; and. L. 103-311, 108 Stat. A motor vehicle equipped with a combustion cargo heater may be used to transport Class 3 (flammable liquid) or Division 2.1 (flammable gas) materials only subject to the following conditions: (A) The combustion cargo heater is powered by diesel fuel or propane and each of the following requirements are met: (1) Electrical apparatus in the cargo compartment is non-sparking or explosion proof. Included is a section, Log Loading andTransporting, which outlines the required and recommended work practices that can reduce logging hazards to the vehicle WebGross trailer weight rating. Standards include setting brakes, setting wheel blocks, and using a jack stand. (a) Floors or platforms essentially flat. No motor vehicle transporting any kind of Class 1 (explosive) material shall have on the interior of the body in which the Class 1 (explosive) materials are contained, any inwardly projecting bolts, screws, nails, or other inwardly projecting parts likely to produce damage to any package or container of Class 1 (explosive) materials during the loading or unloading process or in transit. The outside of the overpack must be marked with an indication that the inner packagings conform to the prescribed specifications. Any package containing any hazardous material, not permanently attached to a motor vehicle, must be secured against shifting, including relative motion between packages, within the vehicle on which it is being transported, under conditions normally incident to transportation. (t) Unloading without appropriate emergency discharge control equipment. These vehicles must be stenciled with the words For Radioactive Materials Use Only in lettering at least 7.6 cm (3 inches) high in a conspicuous place, on both sides of the exterior of the vehicle. (3) Self-heating, solid, organic, n.o.s., UN3088, in PG II or III packaged in UN 1G fiber drums meeting the Packing Group II performance level requirements of subpart M of part 178 of this subchapter. (2) The pressure in the cargo tank must be measured at least ten minutes after the manual release is terminated. (c) Lading ventilation, precautions against spontaneous combustion. or existing codification. (2) Onto a suitable frame of a motor vehicle. Search & Navigation Navigate by entering citations or phrases 1673, 1676 (1994); sec. (ii) Loaded into a closed unit load device and the foodstuffs, feed, or other edible material are loaded into another closed unit load device; (2) Bearing or required to bear a POISON, POISON GAS or POISON INHALATION HAZARD label in the driver's compartment (including a sleeper berth) of a motor vehicle; or. (a) Nitric acid. A cargo tank must be attended by a qualified person at all times when it is being loaded. OSHA regulation is concerned primarily with the security of trucks, trailers and railroad cars as they are loaded or unloaded with powered industrial forklifts. (d) Engine to be stopped in cargo tank motor vehicles, except for transfer pump. For Federal Register citations affecting 177.834, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov. (i) Use of combustion cargo heaters. For chlorine cargo tank motor vehicles, the qualified person must remain within arm's reach of a means to stop the flow of product except for short periods when it is necessary to activate controls or monitor the receiving container. If you have questions or comments regarding a published document please (d) Keep fire away, loading and unloading. For a cargo tank unloading a material meeting the definition for combustible liquid in 173.150(f) of this subchapter, the qualified person attending the unloading operation must remain within 45.72 meters (150 feet) of the cargo tank and 7.62 meters (25 feet) of the delivery hose and must observe both the cargo tank and the receiving container at least once every five minutes during unloading operations that take more than five minutes to complete. Extreme care shall be taken in the loading or unloading of any Class 1 (explosive), Class 3 (flammable liquid), Class 4 (flammable solid), Class 5 (oxidizing), or Division 2.1 (flammable gas) materials into or from any motor vehicle to keep fire away and to prevent persons in the vicinity from smoking, lighting matches, or carrying any flame or lighted cigar, pipe, or cigarette. (9) Heater unit combustion gases must be exhausted to the outside of the truck or trailer. (q) Unloading procedures for liquefied petroleum gas and anhydrous ammonia in other than metered delivery service. Federal Motor Carrier Safety Administration, Global Insdustrial: Trailer Stabilizing Jacks. All of that portion of the lading of any motor vehicle transporting Class 4 (flammable solid) or Class 5 (oxidizing) materials shall be contained entirely within the body of the motor vehicle and shall be covered by such body, by tarpaulins, or other suitable means, and if such motor vehicle has a tailboard or tailgate, it shall be closed and secured in place during such transportation: Provided, however, That the provisions of this paragraph need not apply to pick-up and delivery motor vehicles when such motor vehicles are used in no other transportation than in and about cities, towns, or villages. (D) Drums containing non-hazardous materials that are compatible with materials in all other drums immediately around them. There are other federal agencies that guide rules for tractor trailers. (B) Protection against use. This standard would include such mechanical devices as jack stands. If unforeseen conditions cause an excessive pressure rise, the driver shall manually vent the tank at a remote and safe location. (g) A motor vehicle may only contain 45.4 kg (100 pounds) or less net mass of material described as Smokeless powder for small arms, Division 4.1 or Black powder for small arms, Division 4.1.. A pressure relief device, when installed, must be in communication with the vapor space of a cylinder containing a Division 2.1 (flammable gas) material. It is not an official legal edition of the CFR. (d) Multipurpose bulk trucks. No Class 1 (explosive) materials may be loaded into or on or be unloaded from any motor vehicle with the engine running, except that the engine of a multipurpose bulk truck (see paragraph (d) of this section) and the engine of a cargo tank motor vehicle transporting a single bulk hazardous material for blasting may be used for the operation of the pumping equipment of the vehicle during loading or unloading. Class 3 (flammable liquid) or Division 2.1 (flammable gas) materials may be transported by a vehicle, which is equipped with an automatic cargo-space-heating temperature control device that does not meet each requirement of paragraph (l)(2)(iii)(A) of this section, only if the device is first rendered inoperable, as follows: (1) Each cargo heater fuel tank, if other than LPG, must be emptied or removed. This document is available in the following developer friendly formats: Information and documentation can be found in our (7) The heater unit must retain combustion in a sealed combustion chamber. Whenever a motor carrier has knowledge concerning the hazards of spontaneous combustion or heating of any article to be loaded on a motor vehicle, such article shall be so loaded as to afford sufficient ventilation of the load to provide reasonable assurance against fire from this cause; and in such a case the motor vehicle shall be unloaded as soon as practicable after reaching its destination. (eg: This includes some guidance regarding when and how to use jack stands in the loading and unloading of a trailer. (n) Specification 56, 57, IM 101, and IM 102 portable tanks, when loaded, may not be stacked on each other nor placed under other freight during transportation by motor vehicle. It also offers a one-stop location to find applicable Department of Transportation (DOT) and Environmental Protection Agency (EPA) compliance requirements related to worker protection. (f) A cargo tank motor vehicle used for transportation of chlorine may not be moved, coupled or uncoupled, when any loading or unloading connections are attached to the vehicle, nor may it be left without the power unit attached unless the vehicle is chocked or equivalent means are provided to prevent motion.
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