manual materials handling

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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