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ANSI/ASSP A10.31-2019
Safety Requirements, Definitions and Specifications for Digger Derrick
This standard applies to special multipurpose vehicle-mounted machines, commonly known as digger derricks. These machines are primarily designed to accommodate components that dig holes and/or set poles and position materials and apparatus. Note: Depending on their use, digger derricks may be defined as a crane by government regulations, and operator’s certification may be required.
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The American Society of Safety Engineers [asse]
The American Society of Safety Engineers [asse]