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Manual Materials Handling. Related Work Activities. Lifting, pushing or pulling heavy bags Carrying large, heavy sacks Moving large, heavy drums Lifting sheet type objects Transferring heavy objects. Hazardous Conditions & Unsafe Acts. Bending from the waist to pick up objects. - PowerPoint PPT Presentation
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Manual Materials Handling
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Related Work Activities
• Lifting, pushing or pulling heavy bags
• Carrying large, heavy sacks
• Moving large, heavy drums
• Lifting sheet type objects
• Transferring heavy objects
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Hazardous Conditions & Unsafe Acts
• Bending from the waist to pick up objects.
• Lifting boxes above the chest.
• Twisting the body to carry a heavy object.
• Lifting objects when in poor physical condition.
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Potential Outcomes
• Lost work time
• Worker’s compensation claims
• Long-lasting back pain
• Permanent injury
• Permanently disabled
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Back Injuries Occur From Poor Lifting Technique
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Factors That Contribute to Back Injuries
• Weight of the load lifted
• The range of the lift
• The location of the load in relation to the body
• The size and shape of the load
• The number and frequency of lifts performed
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What Materials Are Lifted?
• Compact bags
• Compact loads
• Large and heavy bags
• Bulky sacks
• Drums and barrels
• Sheet materials
• Two-person lifts
• Transferring heavy objects
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Lifting a Compact Bag
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Lowering a Compact Bag
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Remember:
Always keep your back straight when lifting!
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Lifting a Compact Load
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Lift Objects Close To Body
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Lifting Heavy Large Sacks
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Lifting Bulky Sacks
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Lifting Empty Drums and Barrels
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Lifting Sheet Materials
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How should a "two-person lift and stack" be done?
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Transferring Heavy Objects
Pull the material toward you Transfer your weight to the lift side
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Transferring Heavy Objects
Lift only to required level Shift weight to your other leg
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Storing Heavy Objects
• Storing heavy objects at waist height will reduce the vertical lifting strain on the body.
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Material Handling Devices:Hand Trucks
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Hand Trucks
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Brick & Block Carts
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Brick & Tile Wheelbarrow
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Hand Truck/Cart Safety
• Work gloves and safety shoes should be worn.
• Check for damaged parts
• Place heavier loads on bottom
• Do not overload
• The operator should push and balance the truck always walking forward.
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Machinery Attachments
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Machinery Attachment
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Block Lifting Aids
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Keystone Block Lifter
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Versa-Lok Wall Block Lifter
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Lift Progression With and Without lifter
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Wall Unit Tongs
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Brick Tongs
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Shoveling: For Your Safety
• Make sure that the terrain you are digging is free of cables and pipes
• If you are not sure, contact utilities for location of cables and pipes prior to digging.
• Wear the proper protective clothing; safety footwear, gloves, long pants if necessary
• Allow for safe distance between people if you are working with other people.
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Shoveling and Throwing
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Shoveling RecommendationsShoveling rate 15 scoops per minute for 15
minutes at a time
Shovel load Depends on shoveling rate
<15 lbs for rate of 15 scoops/min
Throw height Should not exceed 4 feet
Throw distance Optimal distance is 3 feet
Reduce load for longer distances
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Remember:
Lift with your knees and legs ---
Not with your back
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Additional Information
• http://planetfile.objectwareinc.com/pdfs/PLANETSafetyTips2july05.pdf
• http://www.cdc.gov/elcosh/docs/d0200/d000253/d000253.html
• http://www.cdc.gov/elcosh/docs/d0500/d000500/d000500.html
• http://www.ohiobwc.com/downloads/blankpdf/LiftGuideBackStudy.pdf
• http://www.cdc.gov/nasd/docs/d000101-d000200/d000108/d000108.html