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i <br /> 8 <br /> An initial worktrest cycle of I hour work and 15 minutes rest is recommended for protection <br /> of staff when the heat stress hazard is high. The recommended cycle will be adjusted up or <br /> down based upon worker monitoring, environmental conditions, and the judgement of the SSO. <br /> At any time, field team members recognize the signs or symptoms of heat stress prior to a <br /> scheduled rest period, they will notify the SSO immediately in order that a rest period can be <br /> called. <br /> Heat stress due to water loss can be prevented. To prevent dehydration, water intake must <br /> approximate sweat loss. Water intake guidelines are as follows: <br /> 1. The sense of thirst is not an adequate regulator of water replacement needs during <br /> heat exposure. Therefore, water must be replaced at prescribed intervals. <br /> a. Before work begins, drink two 8-ounce glasses of water. <br /> b. During each rest period, drink at least two 8-ounce glasses of water. <br /> 2. Plaut water, served cool, is excellent. An adequate supply of potable water and <br /> drinking cups will be readily available, such as in a support vehicle, to provide <br /> water during rest periods. <br /> 3. Adding salt to water is not recommended. However, other fluids, in addition to <br /> water, could include dilute fruit juices and electrolyte replacement drunks diluted <br /> 3:1 with water. Do ngl use salt tablets! <br /> Heat stress, if not prevented, results in heat stress illnesses. Two critical illnesses, if not <br /> recognized and treated immediately, can become life-threatening. These are heat exhaustion and <br /> heat stroke. Heat exhaustion will result if the prevention measures described above are not <br /> implemented. Ignoring the signs and symptoms of heat exhaustion will lead to the development <br /> of heat stroke. <br /> Heat stroke is an immediate, life-threatening condition that results because the body's heat <br /> regulating mechanisms shut down, and the body cannot cool itself sufficiently. As heat is <br /> excessively stored in the body, brain damage can result causing permanent disability or death. <br /> Heat Exhaustion <br /> The signs and symptoms of heat exhaustion are headache; dizziness; nausea; weakness; fainting; <br /> profuse sweating; loss of appetite; approximately normal body temperature; dilated pupils; weak <br /> and rapid pulse; shallow and rapid breathing; possible cramps in abdomen and extremities; <br /> possible vomiting, difficulty walking; cQQJ and smaW SIgn IQ the touch: pale to ashen <br /> n I i I <br /> I' I <br /> 1 09orMS4%&WSPORTSU3ffdS1M&7—W" I <br /> i <br />