1. Machine Guarding
29 CFR
Mushroom / OSHA Alliance General Meeting
April 25, 2013

2. 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

3. 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

4. 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

5. Examples of Guarding
Perimeter Guarding

6. 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

7. Examples of Machine Guarding
Grinder Shield

8. 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

9. Examples of Guarding - Gears
Tool Needed to Remove Guard

10. 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

11. 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

12. Mushroom Operations Guarding
Compost Facility
Mixing Line Conveyors
Raw Material Conveyors
Mushroom Houses / Growing
Clean-out Operation Conveyors
Filling Operation Conveyors
Casing Operation Conveyors

13. Examples of Guarding - Conveyor
Composting Operation

14. Examples of Guarding – Filling Operation

15. Examples of Guarding – Clean-out Operation

16. Examples of Guarding – Casing Operation

17. Mushroom Operations Guarding
Packing Area
Packing Line Conveyors
Box-Making Machines
Compacting Machines
Maintenance Facilities
Grinding Machines
Welding Machines
Shears
Drills
Saws
Fans

18. Examples of Guarding - Packing
Box Machine
(Perimeter Guarding)
Wrapper Machine

19. Examples of Guarding - Packing
Conveyor Lines

20. Examples of Guarding – Fan

21. Examples of Guarding - Tools
Grinder Shield

22. Guarding Opportunities

23. Guarding Opportunities
What machines at your company need guarding?

24. Guarding Summary Why Guard – for the Safety of Our Employees!
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!

25. “Which way will you go?” OR