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KLE/NFELOER (�H e a l t h& Safety Procedure HSP-5-08 Version 10 HEAT STRESS Number: Number: Published 5/4/2018 Revised N/A Date: Date: 5-08.6.5 Control Measures Heat-related illnesses increase in early summer before people have become acclimated to the higher temperatures. The heat and humidity combine to cause heat problems. These illnesses are most likely to occur when the temperature is 95-100 degrees, high humidity and little or no breeze. Prevention of heat stress on a work site will help avert serious illness and loss of work productivity. To avoid heat stress, management should take the following steps: • When temperatures at or above 95F, a site/task specific plan must be incorporated into the site-specific Health and Safety Plan to control and manage exposures (i.e. work start/end times; rotation practices; cool-down periods; additional evaluation practices onsite). • Adjust work schedules to work at cooler times of the day. • Provide shelter, such as shaded or air conditioned areas. • At or below 80 degrees Fahrenheit, ensure that employees have timely access to shade upon request. • For temperatures at or above 80 degrees Fahrenheit, one or more areas with shade shall be provided at all times while employees are present. • Provide or ensure that shade will accommodate at least 25% of employees on shift at any one time. • Maintain workers' body fluids by providing at the worksite, at no cost to the employee, water or equivalent fluids in the quantity of one quart per hour. • Encourage workers to drink small quantities of water frequently, at a rate of up to 4 cups per hour in extremely hot conditions. • Encourage workers to stay in good physical condition. • Provide cooling devices to aid in heat exchange. • Train workers to recognize and treat heat stress. • Encourage workers to maintain well balanced diets and avoid caffeine and alcohol. • Establish work-rest regimens and take frequent breaks. A work/rest schedule will be implemented for personnel required to wear impermeable chemical protective clothing (e.g., Tyvek) as follows: Copyright 2019 Kleinfelder, Inc. Page 5 of 9 Important: When modifying this document, update properties with your name, date, and nature of changes made.