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HAZARDOUS MATERIALS LOAD SECUREMENT
Load securement is a major concern with hazardous materials transported in van trailers, stake trucks, and other similar equipment. The Federal Hazardous Materials Regulations (FHMR) has additional securement requirements beyond what is found in the Federal Motor Carrier Safety Regulations (FMCSR) and other state law.
The phrase "under conditions normally incident to transportation "includes vehicle movements such as starting, stopping, cornering, accident avoidance, and varied road conditions. The requirements can be met by blocking the packages with other freight, the use of tie-downs, toe-boards, load-bars, or other similar securement methods or devices. Drums banded together or packages shrink-wrapped on a pallet do not meet the load securement requirements unless the entire unit is secured to the vehicle. Packages placed at the nose of the vehicle must also have rearward securement protection.
Michigan experienced an incident in 1998 where an IBC was improperly fitted with a valve that extended past the surface of the IBC and was transported unsecured in a van truck. The valve sheared off while in transportation, and the resulting spill closed I-75 between Saginaw and Detroit for several hours. While no one was injured, the incident demonstrates the necessity of load securement.
Section 177.83 (j) requires that all manholes and valves on a cargo tank motor vehicle are securely closed and free of leaks.
There are specific provisions in Section 177.840 for cylinders (s) and portable tanks (b) containing gases (Class 2). In addition to securement, cylinders must have some form of valve protection (173.301 (h)). After December 31, 2003 a pressure relief device must be in communication with a cylinder containing a Division 2.1 (flammable gas) material. Manifolding of cylinders is addressed in Section 173.301(g).
Classes 4 and 5 materials must be kept dry while in transit, kept with the vehicle, and secured against movement (ss177.838 (a), (b) and (f). There is an exception in paragraph
(a), however, that the provisions of this paragraph do not applu to local "pickup and delivery" vehicles.
Section 177.842 (d) states that packages of Class 7 materials must be secured so that they cannot "change position during conditions normally incident to transportation."
The Federal Motor Carrier Safety Regulations (FMCSR) requires that all freight be "contained, immobilized, or secured to prevent shifting upon a vehicle."
Section 177.848 addresses segregation and separation of hazardous materials and includes the Segregation and Separation Chart.
HAZARDOUS MATERIALS OUT-OF-SERVICE CRITERIA
The following are the criteria which could place a driver and/or a truck out of service when transporting hazardous materials.
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