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Instructions |
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POSTURE |
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Work surfaces are adjustable or at optimal heights. |
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Wrists remain neutral (straight). |
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Neck remains straight. |
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Bending at the waist is minimized. |
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Twisting at the waist is avoided. |
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Squatting and stooping are avoided. |
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Arms/Elbows remain close to the body and in neutral position. |
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Extended reaching is avoided. |
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Raised elbows are avoided. |
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Overhead work is avoided. |
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Contorting the body due to poor clearances is avoided. |
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Tool handles are the proper size (not too small/large). |
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Employees can sit or stand. |
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Frozen (static) postures are avoided. |
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Resting body parts on sharp edges is avoided. |
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Cramped work areas are avoided. |
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Work requiring kneeling (low work) is minimized. |
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Work is within comfortable reach zone. |
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Reaches are adequate for smallest workers. |
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Clearances are adequate for largest workers. |
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FORCE |
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Loads are lifted close to the body. |
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Lifts below knuckle height or above shoulder height are avoided. |
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Suspect lifts over 10 lbs. are analyzed with NIOSH lifting equ. |
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Containers have good hand holds. All handles are adequate. |
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Objects handled are stable; loads don't shift while handling. |
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Sudden, forceful or unexpected motions are avoided. |
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Workers are trained in proper lifting techniques. |
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Pull and Push forces are not excessive. Analyze with push/pull calculator. |
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Carried object weight is minimal. |
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Pull, push, and carry distances are minimal. |
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Push forces are minimal; Heavy loads roll easily (high quality casters). |
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One hand push/pulls over 7 kg (15 lb) have been analyzed. |
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One hand lift/carries over 4.5 kg (10 lb) have been analyzed. |
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Tasks can be done with either hand or both hands. |
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Power grip forces are less than 10 lbs. |
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Pinch grip forces are less than 2 lbs. |
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Hand tools are counter balanced if tool weight is over 3 kg (7 lb). |
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Static muscle contraction/loading is avoided. |
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Forces required to do job are acceptable to workers. |
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Mechanical lift, carry, push, pull aids are used when possible. |
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Assembly fixtures and jigs are available. |
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A preventative maintenance program for equipment/tools exists. |
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FREQUENCY/DURATION |
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Highly repetitive/monotonous tasks are avoided. |
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Lifting/pushing/pulling occurs less than once every 5 minutes. |
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Non-value added handling of loads is eliminated. |
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Anti-fatigue mats are provided for prolonged standing tasks. |
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Hand tools are powered when possible. |
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Excessive overtime is avoided. |
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Rest breaks, self pacing, or job rotation is provided. |
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Work pace && rest breaks are acceptable to workers. |
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ENVIRONMENT |
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Lighting is adequate and analyzed. |
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Glare is minimized. |
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Individual task lighting is provided where possible. |
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Noise levels are acceptable. |
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Vibration exposure is avoided. |
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Temperature in work area ranges from 21 - 27 C (70 - 80 F). |
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Air circulation is present. |
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CONTROLS && DISPLAY |
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Displays are organized and intuitive. |
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Related displays are grouped together. |
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Displays are located next to their corresponding control. |
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Displays and controls are clearly labeled. |
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Controls are color coded or shape coded. |
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Approximate value or rate-of-change displays are analog. |
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Precision value displays are digital. |
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Non-value added displays are eliminated. |
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Control forces are minimal. |
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Foot controls are used when high forces are necessary. |
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Top of display height is at eye level or below. Display is adjustable. |
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OTHERS |
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Employees know symptoms/signs of injuries. |
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Objective measurements of issues were obtained (forces/weights, postures, frequencies, light levels, etc.). |
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