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ME CDIM Corporate Safety Program " HSP-10. Heat and Cold Stress Management ENGINEERING Rev. 0 5/21/2020 If work is in direct sun add, 15 degrees F and implement additional safety procedures for the next risk level if appropriate. If work requires wearing heavy clothing or protective gear, or is strenuous as described in Attachment 9.1, implement additional safety procedures for the next risk level. 4.1.1 Lower Risk—Temperatures Below 91 degrees F The following procedures will be used to mitigate the hazards of heat stress when the air temperature exceeds 70 degrees F. • The symptoms of heat stress will be reviewed at weekly"tailgate" safety meetings. • Cool drinking water will be made available to workers and workers shall be encouraged to drink two to three cups of water every hour. • Shade will be provided when temperatures exceed 85 degrees F, as close as practicable to the work. The shade will either be open air or provided with ventilation and/or cooling. Employees will be encouraged to make use of the shade as required for at least five (5) minutes at a time. Shade will be adequate so that workers can sit comfortably with out touching. • Sunscreen and sun hats will be provided and workers will be encouraged to use them. 4.1.2 Moderate Risk—Temperatures Between 91 and 103 degrees F The following procedures in addition to those for the lower risk level will be implemented when the air temperature exceeds 91 degrees F. If work is in direct sun, add 15 degrees F and implement additional safety procedures in Section 4.1.3 if the adjusted temperature is 103 degrees F. Consideration will be given to changing work hours to early morning and late evenings in extremely hot environments (above 95 degrees F). • Workers will be rotated to heavy work tasks to reduce the exertion of any one worker. • Effective communication by voice, observation, or electronic means will be maintained so that employees at a work site can contact a supervisor when necessary. An electronic device, such as a cell phone or text messaging device, may be used for this purpose only if reception in the area is reliable. • Workers will be observed for alertness and signs or symptoms of heat illness. • Workers will be reminded throughout the work shift to drink plenty of water. • New employee will be closely supervised of a by a supervisor or buddy for the first 14 days of employment, unless the employee indicates at the time of hire that he or she has been doing similar outdoor work for at least 10 of the past 30 days for four or more hours per day. • Workers shall be encouraged to drink water often (about four cups/hour). Under most circumstances, fluid intake should not exceed 6 cups per hour or 12 quarts per day. This makes it particularly important to reduce work rates, reschedule work, or enforce work/rest schedules. 4.1.3 High Risk—Temperatures between 103 and 115 degrees F: • Workers will be alerted of high heat risk conditions. • Workers will be actively encourage workers to drink plenty of water(see Section 4.1.2). • Physical exertion will be limited (e.g. use mechanical lifts). • A work/rest schedules will be established and enforced. • Consideration will be given to providing an on-site person well-informed about heat-related illness and able to determine appropriate work/rest schedules. • Work activities will be adjusted (e.g., reschedule work, pace/rotate jobs). Page 3 of 9