DELIBERATE RISK ASSESSMENT WORKSHEET MISSION/TASK DESCRIPTION DATE (DD/MM/YYYY) HAZARD I CONTROL HOW TO RESIDUAL OF RISK IMPLEMENT/ RISK LEVEL LEVEL WHO WILL IMPLEMENT MISSION/TASK Cold (temperature Buddy checks Sock changes 40ºF and below) Available shelter Warm beverages and meals Ensure heated spaces are well ventilated Wetness (rain, snow, ice, humidity) or wet clothes at “ temperatures below 60 °F. Wind (wind speed 5 miles per hour and “ higher) Lack of adequate “ shelter/clothing Lack of “ provisions/water Previous cold injuries or other significant “ injuries Use of tobacco/ “ nicotine or alcohol Skipping meals/ poor “ nutrition Low activity “ Fatigue/ sleep “ deprivation Little experience/ training in cold “ weather operations Figure C-2. Deliberate risk assessment worksheet factors cold injury – Appendix D Instructions on use of the wet bulb globe temperature (WBGT) D-1. Types of WBGTs Wet bulb temperature is a composite temperature used to estimate the effect of temperature, humidity, wind speed, and visible and infrared radiation (e.g., sunlight) on humans. The WBGT index was developed in 1956 by the United States Marine Corps at Parris Island to reduce heat stress injuries in recruits. It is determined with special equipment and calculated to reflect components of air, humidity and wind that affect temperature” experienced by personnel: “actual WBGT is derived from the formula: 0.7Tw + 0.2Tg + 0.1Td Tw = (with dry-bulb temperature indicates humidity) Tg = (also known as black globe thermometer) Td = (actual air temperature) and yields a category or color;” see table D-1. “flag
DELIBERATE RISK ASSESSMENT WORKSHEET MISSION/TASK DESCRIPTION DATE (DD/MM/YYYY) OF MISSION/TASK HAZARD RISK LEVEL CONTROL HOW TO IMPLEMENT/ WHO WILL IMPLEMENT RESIDUAL RISK LEVEL Cold (temperature 40ºF and below) Buddy checks Sock changes Available shelter Warm beverages and meals Ensure heated spaces are well ventilated Wetness (rain, snow, ice, humidity) or wet clothes at temperatures below 60 °F. “ Wind (wind speed 5 miles per hour and higher) “ Lack of adequate shelter/clothing “ Lack of provisions/water “ Previous cold injuries or other significant injuries “ Use of tobacco/ nicotine or alcohol “ Skipping meals/ poor nutrition “ Low activity “ Fatigue/ sleep deprivation “ Little experience/ training in cold weather operations “ Figure C-2. Deliberate risk assessment worksheet factors – cold injury Appendix D Instructions on use of the wet bulb globe temperature (WBGT) D-1. Types of WBGTs Wet bulb temperature is a composite temperature used to estimate the effect of temperature, humidity, wind speed, and visible and infrared radiation (e.g., sunlight) on humans. The WBGT index was developed in 1956 by the United States Marine Corps at Parris Island to reduce heat stress injuries in recruits. It is determined with special equipment and calculated to reflect components of air, humidity and wind that affect “actual temperature” experienced by personnel: WBGT is derived from the formula: 0.7Tw + 0.2Tg + 0.1Td Tw = (with dry-bulb temperature indicates humidity) Tg = (also known as black globe thermometer) Td = (actual air temperature) and yields a category or “flag color;” see table D-1. I