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Lifting Hazards and some ideas on how to reduce your risk of lifting injury
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By the end of this slideshow you will be able to: Identify the 3 types of lifting that may cause injuries Review ergonomics principles used in reducing lifting hazards and preventing injuries Contact L&I resources for assistance
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Statistics on Lifting Injuries There are 50,000 WMSDs in Washington every year. How many of them are due to lifting? Source: SHARP technical report No. 40-6-2002 17,000! (34%) This means that about 1/3 of WMSDs are attributed to lifting. That makes it one of the largest single sources of injury in Washington workplaces.
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Lifting Injuries Aren’t Just Back Injuries 30% of Shoulder WMSDs 22% of Elbow WMSDs 13% of Hand/Wrist WMSDs 43% of Back WMSDs Lifting results in: Source: SHARP technical report No. 40-6-2002
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Source: American Society of Safety Engineers (ASSE, 2003) Lifting Injuries Aren’t Just Due to Aging “Overexertion in lifting a heavy object is the most frequent single type of injury for those under 18 resulting in lost work-time.”
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Pay special attention to… Heavy lifting Frequent lifting Awkward lifting
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Heavy Lifting Moving bags of dry ingredients from a pallet to a hopper. The bags weigh anywhere from 50 to 80 pounds.
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Frequent Lifting Taking totes of small parts off a conveyor and stacking them on pallets He lifts 5 to 6 totes per minute for most of the day
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Awkward Lifting Lifts that are: Above the shoulders Below the knees At arms’ length Lifting 50-pound bags of wet fiberglass out of a deep shipping tote
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Analysis tools L&I Lifting Calculator Other tools: –ACGIH Lifting TLV –NIOSH Lifting Equation Links to these tools are in the appendix at the end of this slide show
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Principles for reducing heavy lifting Reduce the weight Increase the weight Use mechanical assistance Slide instead of lift Team lifting
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Reducing heavy lifting Reduce the weight of the load Wood pallet 60 pounds Plastic pallet 20 pounds
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Reducing heavy lifting Increase the weight of the load And use machines to move it
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Reducing heavy lifting Use mechanical assistance Pneumatic conveyor
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Reducing heavy lifting Slide instead of lift
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Reducing heavy lifting Team lifting
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Principles for reducing frequent lifting Use mechanical assistance Avoid unnecessary lifting Use mobile storage
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Reducing frequent lifting Use mechanical assistance… … instead of lifting by hand
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Reducing frequent lifting Use mobile storage: Parts stay on racks as they move from one manufacturing process to the next
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Principles for reducing duration of lifting Rotate to other jobs Use mechanical assistance
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Reducing duration of lifting Rotate to non-lifting tasks
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Principles for reducing awkward lifting - reaching - Remove obstacles Slide closer Reduce shelf depth Reduce package size Use mechanical assistance Team lifting
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Reducing awkward lifting - reaching - Remove obstacles Cut-out in side of tote allows easier access
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Reducing awkward lifting - reaching - Slide objects closer “Homemade” hook for pulling small boxes to edge of shelf
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Reducing awkward lifting - reaching - Reduce shelf depth Flow racks bring boxes to the front of shelves
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Reducing awkward lifting - reaching - Reduce package size
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Reducing awkward lifting - reaching - Use mechanical assistance Electric hoist can lift two bags at a time
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Reducing awkward lifting - reaching - Team lifting
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Principles for reducing awkward lifting - bending - Use mechanical assistance to raise the load Add handles Arrange storage Avoid unnecessary lifting
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Reducing awkward lifting - bending - Use mechanical assistance to raise the load Scissor-lift cart
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Reducing awkward lifting - bending - Add handles
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Reducing awkward lifting - bending - Rearrange storage Heavy items at waist level
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Reducing awkward lifting - bending - Avoid unnecessary lifting Tire hanger keeps wheels up off the floor in auto shop
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Principles for reducing awkward lifting – reaching above shoulders - Arrange storage Use mechanical assistance Use a rolling stair or “safety ladder”
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Reducing awkward lifting – reaching above shoulders - Arrange storage
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Reducing awkward lifting – reaching above shoulders - Use mechanical assistance “Stacker” lift device has hand winch to raise and lower platform
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Reducing awkward lifting – reaching above shoulders - Use mechanical assistance Combining 2 half-height stacks instead of lifting overhead
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Reducing awkward lifting – reaching above shoulders - Use a rolling stair
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Principles for reducing awkward lifting – twisting - Use conveyors Provide more space Arrange storage
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Reducing awkward lifting – twisting - Use conveyors Allows boxes to be unloaded and checked in with minimal lifting
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Reducing awkward lifting – twisting - Re-arrange storage More space means less bending and twisting
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How to find ideas Resources: –Your employees –Your suppliers –Your industry association –Industry-specific equipment catalogs –Product vendors –Internet searches
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Ergonomics Ideas Bank http://www.ergoideas.Lni.wa.gov
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Lifting techniques training Teaching lifting techniques to employees: –Giving training alone is not effective –Making changes to jobs and equipment is better –Making changes along with training is most effective
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Lifting techniques training Job-specific, on-site, hands- on training is more effective than classroom Have employees demonstrate proper lifting techniques before “graduating”
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Resources If you have questions: E-mail: ergonomics@Lni.wa.govergonomics@Lni.wa.gov Web: http://www.lni.wa.gov/Safety/Topics/Ergonomics/ServicesResources/GetHelp/default.asp http://www.lni.wa.gov/Safety/Topics/Ergonomics/ServicesResources/GetHelp/default.asp Phone: (360) 902-5450
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Appendix - Links L&I Ergonomics Ideas Bank Lifting Calculators ACGIH ® TLV ® for Lifting L&I Lifting Calculator L&I Lifting Analysis paper version NIOSH Lifting Equation calculator NIOSH Lifting Equation user manual
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You’re done! Thank you for your time and attention
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