A Quick Guide on Recommended Limits to Prevent WMSD* Hazards
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Transcript of A Quick Guide on Recommended Limits to Prevent WMSD* Hazards
A Quick Guide on Recommended Limits to Prevent WMSD* Hazards
*WMSD: work-related musculoskeletal disorders
DISCLAIMER
These recommended limits are to be used only as a reference for safe work practices.
The recommended limits in these slides are voluntary. Its application is not required to employers, businesses and workers in Washington.
They are intended to support business owners and employees efforts to reduce and prevent musculoskeletal disorders at their workplaces.
What You Will Learn
• Recommended limits to prevent work- related musculoskeletal disorders or WMSDs such as back sprain, strain, shoulder sprain, arm and wrist tendonitis, etc.
• How to apply these limits to any job or operation in your business, as part of your safety and health program or best work practices.
To slide 28 for additional information
Navigating this presentation
You will notice that the next slide looks like this This is HOME
You may come HOME from anywhere within this slide show by clicking on thisbutton
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Topics covered
Forceful pinching, gripping
Forceful pinching, gripping
Intensive keyingIntensive keying
Hand-arm vibrationHand-arm vibration
Repetitive motionRepetitive motion
LiftingLifting Awkward posturesAwkward postures
HOME
To slide 28 for additional information
A Quick Guide on Recommended Limits for WMSD Hazards
Throughout these slides you will notice the:
Recommended Limit sign.
Not exceeding these limits in any job or activities at your workplace, will help in:
keeping your employees healthy.
May also help in keeping your company expenses and losses at its lowest level.
LIFTING
A Quick Guide on Recommended Limits for WMSD Hazards
Lifting
• 75 pounds once a day is a heavy lift
Lifting
• 55 pounds, 10 times a day is a heavy lift
Lifting
• 25 pounds, above the shoulders, below the knees or at arms length, 25 times a day is an awkward lift
Lifting
• 10 pounds, twice per minute, two hours a day is a frequent lift
AWKWARD POSTURES
A Quick Guide on Recommended Limits for WMSD Hazards
Awkward postures
• Hands above the head or elbows above the shoulders is an awkward posture
Awkward postures
• Neck or back bent more than 30 degrees is an awkward posture
Awkward postures
• Kneeling is an awkward posture
Awkward postures
• Squatting is an awkward posture
FORCEFUL PINCHING, GRIPPING
A Quick Guide on Recommended Limits for WMSD Hazards
Forceful pinching
• Pinching an object weighing 2 pounds (like the force needed to pinch half a ream of paper), is a forceful pinch
Forceful gripping
• Gripping an object weighing 10 pounds (like the force needed to clamp automobile jumper cables onto a battery), is a forceful grip
REPETITIVE MOTION
A Quick Guide on Recommended Limits for WMSD Hazards
Repetitive motion
• Repeating the same motion with the neck, shoulders, elbows, wrists or hands, every few seconds is repetitive motion
INTENSIVE KEYING
A Quick Guide on Recommended Limits for WMSD Hazards
Intensive Keying
• Keying regularly, more than 4 hours total per day is intensive keying
HAND-ARM VIBRATION
A Quick Guide on Recommended Limits for WMSD Hazards
Hand-arm vibration
• Using high vibrating tools like impact wrenches, chain saws, jack hammers, riveting hammers, more than 30 minutes total per day is high hand-arm vibration
Hand-arm vibration
• Using moderate vibrating tools like grinders, sanders, jigsaws, more than 2 hours total per day is moderate hand-arm vibration
Additional information
On WMSD hazardous exposures visit the WISHA webpage at:www.lni.wa.gov/Safety/Topics/Ergonomics
You may also write us at:[email protected]
Example Template of an accident prevention program :www.lni.wa.gov/Safety/Basics/Programs/Accident
Ideas to reduce hazardous exposures can be found at the Ergonomics Ideas Bank
A Quick Guide on Recommended Limits for WMSD Hazards