MSHA - Code of Federal Regulations - 30 CFR A57.14990A
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MSHA - Title 30 CFR
Appendix I for Subpart M--National Consensus Standards


Mine operators seeking further information regarding the construction and installation of falling object protective structures (FOPS) may consult the following national consensus standards, as applicable.

MSHA STANDARD 57.14106, FALLING OBJECT PROTECTION

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            Equipment       |          National consensus standard
  --------------------------+---------------------------------------------
   Front-end loaders and    |    Society of Automotive Engineers (SAE)
   bulldozers.              |     minimum performance criteria for falling
                            |     object protective structures (FOPS)
                            |     SAE J231--January, 1981.
                            |
   Fork-lift trucks.........|    American National Standards Institute
                            |     (ANSI) safety standard for low lift and
                            |      high lift trucks, B 56.1, section
                            |      7.27--1983; or American National
                            |      Standards Institute (ANSI) standard,
                            |      rough terrain fork lift trucks,
                            |      B 56.6--1987.
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