0.5 g acceleration in a lateral direction. 0.5 g acceleration in the rearward direction and. 0.8 g deceleration in the forward direction. FMCSA requires that cargo securement systems be capable of withstanding the forces associated with following three deceleration/accelerations, applied separately: This acceleration is about 9.8 meters/second/second (32.2 feet/second/second), which means that the velocity of an object dropped from a high elevation increases by approximately 9.8 meters/second (32.2 feet/second) each second it falls. Acceleration and deceleration values are commonly reported as a proportion of the acceleration due to gravity (g). Deceleration is the rate at which the speed of the vehicle decreases when the brakes are applied, and acceleration is the rate at which the speed of the vehicle increases in the lateral direction or sideways (while the vehicle is turning), or in the rearward direction (when the vehicle is being driven in reverse and makes contact with a loading dock). Performance CriteriaįMCSA has adopted new performance requirements concerning deceleration in the forward direction, and acceleration in the rearward and lateral directions, that cargo securement systems must withstand. This includes all types of articles of cargo, except commodities in bulk that lack structure or fixed shape (e.g., liquids, gases, grain, liquid concrete, sand, gravel, aggregates) and are transported in a tank, hopper, box or similar device that forms part of the structure of a commercial motor vehicle. The new cargo securement rules apply to the same types of vehicles and cargo as the old rules, covering all cargo-carrying commercial motor vehicles (as defined in 49 CFR 390.5) operated in interstate commerce. The intent of the new requirements is to reduce the number of accidents caused by cargo shifting on or within, or falling from, commercial motor vehicles operating in interstate commerce, and to harmonize to the greatest extent practicable U.S., Canadian, and Mexican cargo securement regulations. Therefore, motor carriers are not required to purchase new cargo securement equipment or vehicles to comply with the rule. However, the rule generally does not prohibit the use of tiedowns or cargo securement devices currently in use. The changes may require motor carriers to increase the number of tiedowns used to secure certain types of cargo. The new rules require motor carriers to change the way they use cargo securement devices to prevent articles from shifting on or within, or falling from commercial motor vehicles. and Canadian industry experts, Federal, State and Provincial enforcement officials, and other interested parties. PIPEROLL LEVEL 53 SERIES
and Canadian cargo securement regulations the motor carrier industry's best practices and recommendations presented during a series of public meetings involving U.S. The new rules are based on the North American Cargo Securement Standard Model Regulations, reflecting the results of a multi-year research program to evaluate U.S. Motor carriers operating in interstate commerce must comply with the new requirements beginning January 1, 2004. On September 27, 2002, the Federal Motor Carrier Safety Administration (FMCSA) published new cargo securement rules. Pocket Guide to Large Truck and Bus Statistics.
Analysis Analysis, Research, & Technology.
ADA Requirements for Over-the-Road Bus Companies.National Registry of Certified Medical Examiners.Regulations Regulations, Rules, & Notices.
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