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Machine Guarding. 29 CFR 1910.212 Mushroom / OSHA Alliance General Meeting April 25, 2013. Importance of Machine Guarding. Machine Guarding protects workers Injuries due to lack of guarding can often be serious and even fatal “Easy Fixes” which can make our workplaces much safer.
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Machine Guarding 29 CFR 1910.212 Mushroom / OSHA Alliance General Meeting April 25, 2013
Importance of Machine Guarding • Machine Guarding protects workers • Injuries due to lack of guarding can often be serious and even fatal • “Easy Fixes” which can make our workplaces much safer
1910.212 OSHA Standard • One or more methods of machine guarding must be provided : • To protect the operator and other employees from hazards such as those created by: • Point of operation • Ingoing nip points • Rotating parts • Flying chips or sparks
1910.212 Machine Guards • Guards shall be affixed to the machine OR secured elsewhere if not possible to the machine • The guarding device shall be designed and constructed to prevent the operator from having any part of his/her body in the danger zone during the operating cycle
Examples of Guarding Perimeter Guarding
Machines – Require Guarding • Point of operation guarding: • Guillotine cutters • Shears • Power saws • Revolving drums & barrels • Fans – less than 7 feet above working area • Blades guarded with opening no larger ½ inches
Examples of Machine Guarding Grinder Shield
Where Mechanical Hazards Occur • Point of Operation – point at which work is performed such as cutting, shaping, and boring • Power Transmission Apparatus – components of the mechanical system that transmit energy to the part of the machine performing the work (i.e. flywheels, pulleys) • All Moving Parts - parts of the machine that move while the machine is working
Examples of Guarding - Gears Tool Needed to Remove Guard
Guarding Preventions • Prevent Contact– Guard must prevent hands, arms, and any other body part of an operator’s body from making contact with moving parts • Secure– Guard need to be made of durable material that will withstand the conditions of normal use and must be firmly secured to the machine • Protect from Falling Objects – Guard should ensure that no objects can fall into moving parts
Guarding Requirements • Create No New Hazards – Guard should not create a new hazard such as a shear or nip point or a sharp, jagged edge • Create No Interference– Safeguard should not prohibit operator from performing his/her job safely and efficiently • Allow Safe Lubrication – Operators should be able to lubricate the machine without removing the guards
Mushroom Operations Guarding Compost Facility • Mixing Line Conveyors • Raw Material Conveyors Mushroom Houses / Growing • Clean-out Operation Conveyors • Filling Operation Conveyors • Casing Operation Conveyors
Examples of Guarding - Conveyor Composting Operation
Mushroom Operations Guarding Packing Area • Packing Line Conveyors • Box-Making Machines • Compacting Machines Maintenance Facilities • Grinding Machines • Welding Machines • Shears • Drills • Saws • Fans
Examples of Guarding - Packing Box Machine (Perimeter Guarding) Wrapper Machine
Examples of Guarding - Packing Conveyor Lines
Examples of Guarding - Tools Grinder Shield
Guarding Opportunities • What machines at your company need guarding?
Guarding Summary • Inspect machinery and equipment to identify guarding opportunities • Network to identify guarding options • When in doubt, guard the hazard!! Why Guard – for the Safety of Our Employees!
