Subpart O - Machinery and Machine Guarding

Subpart O of OSHA's General Industry Standards (29 CFR 1910) sets mandatory requirements for the design, installation, operation and maintenance of machinery and machine guarding to protect employees from mechanical hazards. It outlines employer duties for safeguarding moving parts, specifies acceptable types of guards, and provides detailed rules for particular equipment such as conveyors, presses, and cutting machines.