Division 1.1 or 1.2 (explosive) materials may not be loaded into or carried on any vehicle or a combination of vehicles if: (1) More than two cargo carrying vehicles are in the combination; (2) Any full trailer in the combination has a wheel base of less than 184 inches; (3) Any vehicle in the combination is a cargo tank which is required to be marked or placarded under 177.823; or. WebD.On October 30, 1978 OSHA issued Directive STD 1-11.5, which stated that 1910.178 (k) (1) and 1910.178 (m) (7) should not be enforced as they apply to trucks and trailers under the Motor Carrier Act (motor carriers engaged in interstate commerce). Additional bond wires are not needed around All-Metal flexible or swivel joints, but are required for nonmetallic flexible connections in the stationary system piping. Jacks are used when loading and unloading a tractor trailer. Operators need not use instruments or take extraordinary actions to check components not readily visible. (i) No person may transport a Division 2.1 (flammable gas) material that is a cryogenic liquid in a cargo tank motor vehicle unless the pressure of the lading is equal to or less than that used to determine the marked rated holding time (MRHT) and the one-way travel time (OWTT), marked on the cargo tank in conformance with 173.318(g) of this subchapter, is equal to or greater than the elapsed time between the start and termination of travel. [Amdt. (2) The qualified person monitoring unloading must remain within arm's reach of the mechanical means of closure for the internal self-closing stop valve when the internal self-closing stop valve is open except for short periods when it is necessary to activate controls or monitor the receiving container. 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. As a (b) This section does not apply to any vehicle used solely for transporting Class 7 (radioactive) material if a survey of the interior surface shows that the radiation dose rate does not exceed 0.1 mSv per hour (10 mrem per hour) at the interior surface or 0.02 mSv per hour (2 mrem per hour) at 1 meter (3.3 feet) from any interior surface. The agency that is most likely to specifically guide standards for tractor trailers on American highways is the U.S. Department of Transportation's Federal Motor Carrier Safety Division. 1/1.1 177.842 Class 7 (radioactive) material. developer resources. (1) Cylinders. (i) Class 1 (explosive) materials to be protected against damage by other lading. In loading and storage areas, fissile material packages must be grouped so that the sum of CSIs in any one group is not greater than 50; there may be more than one group of fissile material packages in a loading or storage area, so long as each group is at least 6 m (20 feet) away from all other such groups. This standard would include such mechanical devices as jack stands. 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. (i) Division 4.2 (self-heating liquid) material. (g) For shipments transported under exclusive use conditions the radiation dose rate may not exceed 0.02 mSv per hour (2 mrem per hour) in any position normally occupied in the motor vehicle. (m) Cargo tank motor vehicle safety check. While at the loading dock, OSHA states that, "A positive mechanical means to secure trucks or trailers to a loading dock" can be used provided that effectively immobilizes the vehicle. Identifies logging by many measures as the most hazardous industry in the United States. For a cargo tank motor vehicle equipped with an off-truck remote means to close the internal self-closing stop valve and shut off all motive and auxiliary power equipment, an operator must successfully test the activation device within 18 hours prior to the first delivery of each day. Before any motor vehicle may be used for transporting any other articles, all detectable traces of arsenical materials must be removed therefrom by flushing with water, or by other appropriate method, and the marking removed. Your railings must: 49 U.S.C. (A) Use restrictions. Nothing contained in this paragraph shall be so construed as to prohibit the fueling of machinery or vehicles used in road construction or maintenance. WebEnsure the vehicle or trailer has its brakes applied and all stabilisers are used. (b) Care in loading, unloading, or other handling of Class 1 (explosive) materials. (iii) Restrictions on automatic cargo-space-heating temperature control devices. Subscribe to: Changes in Title 49 :: Subtitle B :: Chapter I :: Subchapter C :: Part 177 :: Subpart B. (f) Use of tools, loading and unloading. All cylinders must be secured so that no shifting occurs in transit. (h) Division 4.2 (pyrophoric liquid) materials in cylinders. (D) Motor carriers must have a satisfactory safety rating as prescribed in 49 CFR part 385. Each group of packages must be handled and stored together no closer than 6 m (20 feet) (measured edge to edge) to any other group. (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. (2) When transporting certain flammable material -. full text search results (4) Requirements of paragraphs (1) and (2) of this paragraph (b) shall not be construed as prohibiting stacking of containers provided the provisions of paragraph (3) of this paragraph (b) are fully complied with. The interior of the cargo space must be in good condition so that there will not be any likelihood of containers being damaged by exposed bolts, nuts, broken side panels or floor boards, or any similar projections. (a) The number of packages of Class 7 (radioactive) materials in any transport vehicle or in any single group in any storage location must be limited so that the total transport index number does not exceed 50. (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. (d) Packages must be so blocked and braced that they cannot change position during conditions normally incident to transportation. The diesel engine of a cargo tank motor vehicle may be left running during the loading and unloading of a Class 3 material if the ambient atmospheric temperature is at or below 12 C (10 F). (e) Persons should not remain unnecessarily in a vehicle containing Class 7 (radioactive) materials. 1673, 1676 (1994); sec. Truck or rail tank car loading or the unloading of flammable/combustible liquids is one of the most hazardous operations likely to be undertaken at any manufacturing or storage facility. [Amdt. (2) There is no combustion apparatus in the cargo compartment. The official, published CFR, is updated annually and available below under Twin-trailer combinations are allowed with 28-foot trailer units without length limit, and there is no limit on the overall length. This contact form is only for website help or website suggestions. Many of the most germane standards for tractor trailers are established by this agency. Microsoft Edge, Google Chrome, Mozilla Firefox, or Safari. Safety with Truck and Trailers Loading dock protection includes safety when working with all trucks and trailers. They are designed to work with other safety equipment to raise and stabilize the trailer. (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. OSHA Regulations for Flatbed Trailer and Loading Dock Guardrails If you've come to the conclusion that guardrails are the right fall protection solution for your flatbed trailers and loading docks, keep in mind they must meet the standards for guardrails set forth in OSHA 1910.29. (4) A person is qualified if he has been made aware of the nature of the hazardous material which is to be loaded or unloaded, has been instructed on the procedures to be followed in emergencies, and except for persons observing loading or unloading operations by means of video cameras and monitors or instrumentation and signaling systems such as sensors, alarms, and electronic surveillance equipment located at a remote control station and persons inspecting hoses in accordance with paragraph (i)(3)(iii) of this section, is authorized to move the cargo tank, and has the means to do so. (6) Heater requirements under 393.77 of this title are complied with. The U.S. Occupational Safety and Health Administration (OSHA) is the agency that establishes rules for safety in the workplace. (c) Wrappers must be placed near each formatting. (2) Onto a suitable frame of a motor vehicle. If unforeseen conditions cause an excessive pressure rise, the driver shall manually vent the tank at a remote and safe location. (4) Cylinders for acetylene. (u) Unloading of chlorine cargo tank motor vehicles. There must be no overhang once the trailer is loaded, and drivers should have clear visibility on all sides of the vehicle. An operator must use the following procedures for unloading liquefied petroleum gas or anhydrous ammonia from a cargo tank motor vehicle in metered delivery service: (1) For a cargo tank with a capacity of 13,247.5 L (3,500 water gallons) or less, excluding delivery hose and piping, 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 when the internal self-closing stop valve is open during unloading operations that take more than five minutes to complete. (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. (1) Loading. (C) A cylinder containing Division 2.3 Hazard Zone A materials must be separated from non-bulk packagings and IBCs meeting a UN performance standard containing the residue of materials in Division 2.1, 4.3, or 5.1, or Class 3 or 8 by a minimum horizontal distance of 3 m (10 feet). (1) When transporting Class 1 (explosive) materials. Redesignated at 32 FR 5606, Apr. learn more about the process here. (D) Drums containing non-hazardous materials that are compatible with materials in all other drums immediately around them. In such cases red electric lanterns, red emergency reflectors or red flags shall be set out in the manner prescribed for disabled or stopped motor vehicles. switch to drafting.ecfr.gov. Loads should be secured, or arranged so (2) Where more than one group of packages is present in any single storage location, a single group may not have a total transport index greater than 50. (d) Multipurpose bulk trucks. Background and more details are available in the Until a cargo tank motor vehicle is equipped with emergency discharge control equipment in conformance with 173.315(n)(2) and 180.405(m)(1) of this subchapter, the qualified person attending the unloading operation must remain within arm's reach of a means to close the internal self-closing stop valve when the internal self-closing stop valve is open except during short periods when the qualified person must activate controls or monitor the receiving container. The buffer zone maybe established by: (C) Drums containing hazardous materials (e.g., Class 9) that are compatible with materials in all other drums immediately around them; or. will bring you to those results. For a cargo tank motor vehicle with an off-truck remote control shut-off capability as required by 173.315(n)(3) or (n)(4) of this subchapter, the qualified person attending the unloading operation must be in possession of the activation device at all times during the unloading process. When shipped in open type motor vehicles, the lading must be suitably covered. Choosing an item from Except as provided in paragraph (g) of this section, dealing with the transportation of liquid nitroglycerin, desensitized liquid nitroglycerin or diethylene glycol dinitrate, all of that portion of the lading of any motor vehicle which consists of Class 1 (explosive) materials shall be contained entirely within the body of the motor vehicle or within the horizontal outline thereof, without overhang or projection of any part of the load and if such motor vehicle has a tailboard or tailgate, it shall be closed and secured in place during such transportation. 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. https://ohsonline.com/articles/2018/10/01/osha-and-dot-laws.aspx Those rules are called regulations. Some agencies, such as OSHA, refer to their regulations as standards, but they carry the same power the power of the law that called for their creation. Thats an important point. The terms OSHA standard and OSHA regulation are synonymous, so feel free to use whichever you prefer. This check must be made after the pressure in the discharge system has reached at least equilibrium with the pressure in the cargo tank. 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. (6) The heater unit and its fuel supply must be externally mounted on the truck or trailer. (i) Except as provided in paragraph (p)(2)(ii) of this section, 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. Division 1.1, 1.2, or 1.3 materials that are stored during transportation in commerce must be attended and afforded surveillance in accordance with 49 CFR 397.5. In addition, by the compliance dates specified in 173.315(n)(5) and 180.405(m)(3) of this subchapter, the cargo tank motor vehicle must have an emergency discharge control capability that meets the requirements of 173.315(n)(2) or 173.315(n)(4) of this subchapter. When 172.101 of this subchapter specifies that Class 1 (explosive) materials may be transported in accordance with 173.66 of this subchapter (per special provision 148 in 172.102(c)(1)), these materials may be transported on the same vehicle with Division 5.1 (oxidizing) materials, or Class 8 (corrosive) materials, and/or Combustible Liquid, n.o.s., NA1993 only under the conditions and requirements set forth in IME Standard 23 (IBR, see 171.7 of this subchapter) and paragraph (g) of this section. Choosing an item from The person performing unloading functions must be trained in handling emergencies that may occur during the unloading operation. (b) Packages of Class 7 (radioactive) material bearing RADIOACTIVE YELLOW-II or RADIOACTIVE YELLOW-III labels may not be placed in a transport vehicle, storage location or in any other place closer than the distances shown in the following table to any area which may be continuously occupied by any passenger, employee, or animal, nor closer than the distances shown in the table to any package containing undeveloped film (if so marked), and must conform to the following conditions: (1) If more than one of these packages is present, the distance must be computed from the following table on the basis of the total transport index number determined by adding together the transport index number on the labels on the individual packages and overpacks in the vehicle or storeroom. (2) Thiourea dioxide, UN3341, in PG II or III packaged in UN 1G fiber drums meeting packing group II performance requirements of subpart M of part 178 of this subchapter. (4) The other vehicle in the combination contains any: (i) Substances, explosive, n.o.s., Division 1.1A (explosive) material (Initiating explosive). (iii) Hoses used in the loading or unloading operations are equipped with cable-connected wedges, plungers, or flapper valves located at each end of the hose, able to stop the flow of product from both the source and the receiving tank within one second without human intervention in the event of a hose rupture, disconnection, or separation. A vehicle may not be returned to Class 7 (radioactive) materials exclusive use transport service, and then only for a subsequent exclusive use shipment utilizing the provisions of any of the paragraphs 173.427(b)(4), 173.427(c), or 173.443(b), until the radiation dose rate at every accessible surface is 0.005 mSv/h (0.5 mrem/h) or less and the non-fixed contamination is not greater than the level prescribed in 173.443(a) of this subchapter. For Federal Register citations affecting 177.838, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov. 177.838 Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (self-heating and pyrophoric liquid) materials. For Federal Register citations affecting 177.837, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov. A safe haven that conforms to NFPA 498 (IBR, see 171.7 of the subchapter) constitutes a federally approved safe haven for the unattended storage of vehicles containing Division 1.1, 1.2, or 1.3 materials. (k) A carrier of carbon monoxide, cryogenic liquid must provide each driver with a self-contained air breathing apparatus that is approved by the National Institute of Occupational Safety and Health; for example, Mine Safety Appliance Co., Model 401, catalog number 461704. (b) Articles to be kept dry. Every motor vehicle transporting Class 1 (explosive) materials must either have a closed body or have the body thereof covered with a tarpaulin, and in either event care must be taken to protect the load from moisture and sparks, except that subject to other provisions of these regulations, Class 1 (explosive) materials other than black powder may be transported on flat-bed vehicles if the explosive portion of the load on each vehicle is packed in fire and water resistant containers or covered with a fire and water resistant tarpaulin. (ii) The qualified person observes all loading or unloading operations by means of video cameras and monitors or instrumentation and signaling systems such as sensors, alarms, and electronic surveillance equipment located at a remote control station, and the loading or unloading system is equipped as follows: (A) For a video monitoring system used to meet the attendance requirement, the camera must be mounted so as to provide an unobstructed view of all equipment involved in the loading or unloading operations, including all valves, hoses, domes, and pressure relief devices; (B) For an instrumentation and signaling system used to meet the attendance requirement, the system must provide a surveillance capability at least equal to that of a human observer; (C) Upon loss of video monitoring capability or instrumentation and signaling systems, loading or unloading operations must be immediately terminated; (D) Shut-off valves operable from the remote control station must be provided; (E) In the event of a remote system failure, a qualified person must immediately resume attending the loading or unloading of the cargo tank as provided in paragraph (i)(3)(i) of this section; (F) A containment area must be provided capable of holding the contents of as many cargo tank motor vehicles as might be loaded at any single time; and, (G) A qualified person must personally conduct a visual inspection of each cargo tank motor vehicle after it is loaded, prior to departure, for any damage that may have occurred during loading; or. 49 CFR 172.101 In addition, its If there is an unintentional release of product to the environment during unloading of a liquefied compressed gas, the qualified person unloading the cargo tank motor vehicle must promptly shut the internal self-closing stop valve or other primary means of closure and shut down all motive and auxiliary power equipment. This provision does not apply to exclusive use shipments described in 173.441(b), 173.457, and 173.427 of this subchapter. Disinfection may be by any means effective for neutralizing the material released. (i) Use of combustion cargo heaters. No Division 1.1, 1.2, or 1.3 (explosive) material shall be transferred from one container to another, or from one motor vehicle to another vehicle, or from another vehicle to a motor vehicle, on any public highway, street, or road, except in case of emergency. (d) Keep fire away, loading and unloading. (iv) Hazardous materials in a portable tank or a DOT specification 106A or 110A tank. An automatic cargo-space-heating temperature control device may be used when transporting Class 3 (flammable liquid) or Division 2.1 (flammable gas) materials only if each of the following requirements is met: (1) Electrical apparatus in the cargo compartment is nonsparking or explosion proof. or existing codification. Standards include setting brakes, setting wheel blocks, and using a jack stand. In all locations, OSHA has jurisdiction over forklift operators and terminal employees who perform loading and unloading operations. Please do not provide confidential Special care shall be taken in the loading of any motor vehicle with Class 4 (flammable solid) or Class 5 (oxidizing) materials which are likely to become hazardous to transport when wet, to keep them from being wetted during the loading process and to keep them dry during transit. (a) Each motor vehicle used for transporting Class 7 (radioactive) materials under exclusive use conditions in accordance with 173.427(b)(4), 173.427(c), or 173.443(b) of this subchapter must be surveyed with radiation detection instruments after each use. (d) Engine to be stopped in cargo tank motor vehicles, except for transfer pump.
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