Subpart O - Machine Guarding.ppt

Georgia Tech Research Corporation EI-14 8xxxx Working Copy 7/14/98 Subpart O - Machine Guarding OTI 501 Paul A. Schlumper, PE, CSP We Will Cover: Machine Guarding Principles Subpart O - Highlights Mock Plant Walk-Through Why are machines not guarded? No one would stick their arm, hand, finger, head, etc. in there. No one is supposed to be back there, in there, around it while it is running. The machine came that way; it never had a guard. I’ve been doing it this way for twenty years without any problems. Why are machines not guarded? (cont.) The guard is in the way The OSHA inspector didn’t say anything about it. We’ll put it back on if OSHA comes. Machine Guarding Requirements Prevent contact Be secure Protect from falling objects Create no new hazards No interference Maintainability and accessibility Where machine hazards occur: Point of operation Mechanical power transmission Other moving parts Methods of machine safeguarding Physical guards Devices Location/Distance Guards Fixed Interlocked Adjustable Self-adjusting Safeguarding devices Presence sensing Pullback Restraint Safety controls and trips Gates Subpart O - Machinery and Machine Guarding 211 - Definitions 212 - General requirements 213 - Woodworking machinery 215 - Abrasive wheel machinery 216 - Mills and calendars 217 - Mechanical power presses 218 - Forging machines 219 - Mechanical power transmission 1910.212 General Requirements for all Machines 1910.212(a)(1) One or more methods of machine guarding shall be provided to protect the operator and other employees in the machine area from hazards such as those created by the point of operation, in-going nip points, rotating parts, flying chips and sparks. 1910.212(a)(2) The guard shall be such that it does not offer an accident hazard in itself 1910.212(a)(3)(ii) The point of operation of machines whose operation exposes an employee to injury, shall be guarded 1910.212(a)(3)(iii) Special hand tools for placing and removing material shall be suc