LIFTING ANALYSIS WORKSHEET DEPARTMENT JOB DESCRIPTION JOB TITLE ANALYST'S NAME DATE STEP 1. Measure and record task variables Object Weight (lbs) L(AVG) L(MAX) Hand Location Origin H Vertical Distance Dest V H V Asymmetric Angle (deg.) D Frequency Rate Duration Hrs Origin Destination lifts/min A A F C STEP 2. Determine the multipliers and compute the RWLs RWL = LC x HM x VM x DM x AM x FM ORIGIN RWL = 51 x x x x x x DEST. RWL = 51 x x x x x x Object Coupling x CM ~ ~ STEP 3. Compute the LIFTING INDEX ORIGIN LIFT INDEX OBJECT WEIGHT = RWL = DESTINATION LIFT INDEX OBJECT WEIGHT = RWL = Table 1 Horizontal Multiplier H HM in H HM cm < 10 1.00 < 25 1.00 11 .91 28 .89 12 .83 30 .83 13 .77 32 .78 14 .71 34 .74 15 .67 36 .69 16 .63 38 .66 17 .59 40 .63 18 .56 42 .60 19 .53 44 .57 20 .50 46 .54 21 .48 48 .52 22 .46 50 .50 23 .44 52 .48 24 .42 54 .46 25 .40 56 .45 > 25 .00 58 .43 60 .42 63 .40 > 63 .00 Table 2 Vertical Multiplier V VM in V VM cm 0 .78 0 .78 5 .81 10 .81 10 .85 20 .84 15 .89 30 .87 20 .93 40 .90 25 .96 50 .93 30 1.00 60 .96 35 .96 70 .99 40 .93 80 .99 45 .89 90 .96 50 .85 100 .93 55 .81 110 .90 60 .78 120 .87 65 .74 130 .84 70 .70 140 .81 >70 .00 150 .78 160 .75 170 .72 175 .70 >175 .00 Table 3 Distance Multiplier D DM in D DM cm <10 1.00 <25 15 .94 40 .93 20 .91 55 .90 25 .89 70 .88 30 85 .87 35 100 115 .86 45 130 50 145 .85 160 60 175>175 .00 >70 .00 Table 4 Asymmetric Multiplier A AM deg 0 1.00 15 .95 30 .90 45 .86 60 .81 75 .76 90 .71 105 .66 120 .62 135 .57 >135 .00 Table 5 Frequency Multiplier Table (FM) Work Duration Frequency Lifts/min (F) < 1 Hour > 1 but < 2 Hours > 2 but < 8 Hours V < 30 V > 30 V < 30 V > 30 V < 30 V > 30 < 0.2 1.00 1.00 .95 .95 .85 .85 0.5 .97 .97 .92 .92 .81 .81 1 .94 .94 .88 .88 .75 .75 2 .91 .91 .84 .84 .65 .65 3 .88 .88 .79 .79 .55 .55 4 .84 .84 .72 .72 .45 .45 5 .80 .80 .60 .60 .35 .35 6 .75 .75 .50 .50 .27 .27 7 .70 .70 .42 .42 .22 .22 8 .60 .60 .35 .35 .18 .18 9 .52 .52 .30 .30 .00 .15 10 .45 .45 .26 .26 .00 .13 11 .41 .41 .00 .23 .00 .00 12 .37 .37 .00 .21 .00 .00 13 .00 .34 .00 .00 .00 .00 14 .00 .31 .00 .00 .00 .00 15 .00 .28 .00 .00 .00 .00 > 15 .00 .00 .00 .00 .00 .00 Values of V are in inches. For lifting less frequently than once per 5 minutes, set F = 2 lifts/minute