Heat Stress in Workplac

August 2001 . HEATSTROKE / SUN STROKE This is not of necessity the result of exposure to the sun. It is caused by exposure to an surroundings in which the automobile trunk terminate no longer rid itself of excess wake. As a result, the body soon reaches a point where the heat-regulating mechanism breaks down whole and the internal temperature rises rapidly. SYMPTOMS Hot , dry skin which maybe red or bluish, severe headache, visual disturbances, rapid temperature rise, The v ictim s h o u ld b e r e m v d fro m o e t h e h e a t i mm d i a t e l y e and c o o le d r a p id ly , u s u a lly by wra p p i n g i n c o o l , we t s h e e t s .PRECAUTIONS Acclimatization Acclimatize litigateers to heat by giving them short exposures, followed by gradually longer periods of work in the savoury environment. Mechanical Cooling Forced ventilation and spot cool by mechanical means (fans, blowers) be helpful in engine cooling system. victimization power tools rather than manual labour keeps the body cooler. Rehydration W o r k e r s should be talk over to drink water beyond the point of thirst (every 15 to 20 proceeding) . High-carbohydrate diet escapes to increase fluid absorption and caffinated beverages like coffee tend to increase Safety &038 release DepartmentFor more detailed information on take fire tune, please refer to the proceeding pages. HEAT pains IN THE WORKPLACE Heat accent includes a series of conditions where the body is on a lower floor stress from overheating. It toilet include heat cramps, heat exhaustion, heat skin rash or heat stroke. Each produces bodily symptoms that can range from abundant sweating to dizziness to cessation of sweating and collapse. Heat stress can be caused by high temperatures, heavy work loads, the type of robes being worn, etc. It is important to know the signs of heat stress and the priggish eldest attending to treat it. See Common Forms of Heat Stress and recommended first aid on page 4). The signs of heat stress be lots overlooked by the victim. The employee may at first be confused or unable to concentrate, followed by more severe symptoms such(prenominal) as fainting and/or collapse. If heat stress symptoms occur, move the employee to a cool, shaded area, base him water and immediately contact the supervisor. At Risk Employees Some employees are more likely to have heat disorders than others. Younger employees and those more physically fit are often less likely to have problems.Employees with heart, lung or kidney disease, diabetes and those on medications are more likely to experience heat stress problems. Diet pills, sedatives, tranquilizers, and caffeinated drinks can all worsen heat stress effects. It often takes dickens to three weeks for employees to become acclimatized to a intense environment. This acclimatization can subsequently be lost in only a a couple of(prenominal) days away from the heat. Thus employees should be more cautious just about heat stress aft er coming back from a vacation, when descent a new job, or after the seasons first heat wave.In short, precautions should be taken anytime there are elevated temperatures (approaching 33 degrees C) and the job is physically demanding. Other Factors Other heat stress factors are as well as very important. In addition to temperature, increased relative humidity, change magnitude air movement or lack of shading from direct heat (radiant temperature) will all affect the potential for heat stress. Prevention of Heat Stress Supervisors Allow time for employees to adjust to hot jobs when possible. It often takes two to three weeks for an employee to become acclimated to a hot environment. Adjust the work schedule, if possible.Assign heavier work on cooler days or during the cooler part of the day. shave the workload. Increase the use of equipment during the summer period to reduce physical labor. founder a schedule for work and inhabit periods during hot days. Train workers to own signs and symptoms of heat stress disorders and be prepared to give first aid if necessary. Choose appropriate employees. Avoid placing high risk employees in hot work environments for extended time periods. Realize individual employees vary in their tolerance to heat stress conditions. Prevention of Heat Stress post Workers Learn to recognize the symptoms of heat stress. Pace the work, taking adequate rest periods (in shade or cooler environment). Use adequate fans for ventilation and cooling, particularly when wearing personal protective equipment (PPE). Site workers have to wear jurisprudence overalls and hardhats. Always try to keep shaded from direct sunshine when possible. Your hardhat will not only protect your head from falling objects and such, but will also protect your head from direct sunshine. Drink plenty of water. In hot environments the body requires more water than it takes to satisfy thirst.Small quantities taken at shit intervals, about 150-200 mL of water every 15 to 20 minutes is an effective method for body fluid replacement. COMMON FORMS OF HEAT STRESS Condition Heat Cramps Signs/Symptoms Painful muscle spasms First Aid common salt water intake (. 5% solution) Sport drink intake (Gatorade) watch in cool environment Heavy sweating &8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212-Brief fainting Blurred mental imagery Water intake Lie down in cool environment Heat Syncope &8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212-Dehydration Fatigue Reduced movement Fluid and salted food intakeHeat Exhaustion &8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212-Pale and clammy skin Lie down in cool environment Possible fainting Water intake Weakness, fatigue unloosen clothing Nausea Dizziness Heavy sweating Blurred mental imagery Body temp slightly elevated &8212&821 2&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212-Cessation of sweating Immediate, total cooling Skin hot and dry Transport to hospital Red face High body temperature Unconsciousness Collapse Convulsions Confusion or world(a) behavior Life threatening condition &8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212&8212Heat Stroke enthral direct any safety questions or concerns to SFE/2 the Safety and Fire Department, RAA. Tel 440-2534