Mechanical Hazards
Mechanical Hazards

Mechanical Hazards - PowerPoint Presentation

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Mechanical Hazards - PPT Presentation

Types of Mechanical Hazards Controls for Mechanical Hazards Unexpected Release of Stored Mechanical Energy Springs Dropped weights Linear Or Rotational Kinetic Energy Projectiles Rotating MachineryShafts ID: 320756

mechanical guard hazard hazards guard mechanical hazards hazard safety controls training interlocked barrier eliminate personal protective equipment fixed points




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Mechanical HazardsSlide2

Types of Mechanical Hazards

Controls for Mechanical HazardsSlide3

Unexpected Release of Stored Mechanical Energy


Dropped weightsSlide5

Linear Or Rotational Kinetic Energy (Projectiles)Slide6

Rotating Machinery/ShaftsSlide7

Compressed FluidsSlide8

Blades, Sharp EdgesSlide9

In-running Nip PointsSlide11

Pinch PointsSlide12


If hazard is not essential to the experiment or project, eliminate it altogether or engineer it out

If it is not possible to eliminate the hazard, guard it

If it is not possible to guard it, must rely on training and personal protective equipmentSlide13

A few options available in guarding a hazard

Fixed barrier guards

Adjustable guard

Retractable guard

Interlocked guard

Electronic presence sensing devices

References: ANSI B11 series of standards, particularly B11.19. Also OSHA: 29 CFR 1910 subpart O.Slide14

Acceptable Opening SizesSlide15

Fixed Barrier GuardSlide16

Adjustable GuardSlide17

Retractable GuardSlide18

Interlocked GuardSlide19

Presence Sensing DevicesSlide20


Safety training (well designed, consistently implemented, documented, refresher courses as necessary)

Procedural controls, such as:

Lock out/ tag out

Limiting hours (no working at 2 am)

Buddy systemSlide21

Examples of Personal Protective Equipment

Safety glasses


Hard hats

Steel-toed boots

Lab coats

Safety harnesses for fall protection

Ear plugs