AChap03-Timing - CHAPTER 3 CHAPTER WHEN DO INJURIES WHEN...

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Unformatted text preview: CHAPTER 3 CHAPTER WHEN DO INJURIES WHEN OCCUR? OCCUR? WHEN DO INJURIES OCCUR? s Accident prevention may be improved if Accident the timing of accident occurrence is understood understood WHEN DO INJURIES OCCUR? Hour of the Day Peak morning hours s Peak afternoon hours s 16 Percent of all Injuries reported 14 12 10 8 6 4 2 0 7 to 8 8 to 9 9 to 10 10 to 11 11 to 12 12 to 1 1 to 2 2 to 3 Injuries by Hour of the Day 3 to 4 4 to 5 5 to 6 Percent of Fatalities Occuring Between 5:00 AM and 7:00 PM 12% 10% 8% 6% 4% 2% 0% 5:00 7:00 9:00 11:00 1:00 3:00 5:00 WHEN DO INJURIES OCCUR? Day of the Week Peak occurrence on Monday s Steady decline through Friday s 22 Percent of all Injuries 21 20 19 18 17 16 Monday Tues Wed. Injuries by Day of the Week Thurs Friday y on da y Tu es da W y ed ne sd ay Th ur sd ay Fr id ay Sa tu rd ay M Su nd a Week 25% 2001 2002 2003 fatalities 20% 15% Injuries 10% 5% 0% WHEN DO INJURIES OCCUR? Hour and Day of the Week s Higher incidence during Monday Higher morning hours morning 16 Monday Tuesday Wednesday Thursday Friday 14 12 10 8 6 4 2 3: 00 4: 00 5: 00 9: 00 10 :0 0 11 :0 0 12 :0 0 1: 00 2: 00 7: 00 8: 00 0 WHEN DO INJURIES OCCUR? Season of the Year s Peak summer months have higher Peak accident numbers accident 12 Percent of all Injuries 10 8 6 4 2 0 Jan Feb Mar Apr May Jun Jul Aug Injuries by Month Sept Oct Nov Dec SHIFT WORK SHIFT CIRCADIAN CYCLE IR 1 Shift 2-3 Shifts Overtime Length of the Workweek IR 4-5 Days 6-7 Days LUNAR CYCLES LUNAR Background s Lunar Phases s LUNAR CYCLES LUNAR Rationale for possible influence on Rationale safety safety s Results of research on lunar cycles and Results injury occurrences injury s Injuries and Lunar Cycles 7000 6000 Number of Injuries 5000 4000 3000 2000 1000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Day of Lunar Cycle BIORHYTHM CYCLES BIORHYTHM Background, basic principles and Background, calculations calculations s Critical days s BIORHYTHM CYCLES BIORHYTHM Rationale for possible influence on Rationale safety safety s Results of research on biorhythm cycles Results and injury occurrences in construction and s Number of Injuries Injury Distribution on the Physical Biorhythm Cycle 90 80 70 60 50 40 30 20 10 0 Critical Days 1 3 5 7 9 11 13 15 17 Day of the Physical Cycle 19 21 23 ...
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This note was uploaded on 08/27/2011 for the course BCN 4735 taught by Professor Staff during the Spring '08 term at University of Florida.

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