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The FSO will also inform site workers when the Heat Index Risk Level, as <br /> defined on Table 7-4, reaches Danger and/or Extreme Danger. The <br /> following additional precautions may be implemented at the discretion of <br /> the FSO based on factors such as use of Tyvek coveralls and the physical <br /> activity associated with each task. These actions or work practices will be <br /> implemented,as practical, as part of the Heat Stress Management Program. <br /> • Designated areas will be used for site workers to take breaks and for eating. <br /> • If possible,physically demanding and strenuous tasks may be <br /> scheduled for the cooler parts of the day. <br /> • Site workers will be required to drink 6 to 8 ounces of cool water or <br /> electrolyte replacement drinks every 60 minutes. Diabetics should use <br /> caution when using electrolyte replacement drinks to replenish fluids. <br /> Electrolyte replacement drinks may have high sugar content. <br /> • Site workers taking prescription medications should check with their <br /> doctor or other medical professional regarding the interaction between <br /> working in hot environments and their medications. <br /> • FSO will more closely observe site workers, especially those working <br /> in Tyvek coveralls or performing strenuous job tasks. <br /> • Implement worker rotation during strenuous or physically demanding <br /> job tasks. <br /> • FSO will implement a work-rest cycle. <br /> The work-rest cycle outlined in Table 7-2 may be implemented based on <br /> the professional judgment of the FSO. <br /> Table 7-2: Work-Rest Cycle <br /> Heat Index(°F) Risk Level Work-Rest Cycle <br /> >130 Extreme Danger 15 minute break every 30 minutes <br /> 105-130 Danger 15 minute break every 60 minutes <br /> 90-105 Extreme Caution 15 minute break every 90 minutes <br /> 80-90 Caution 15 minute break every 120 minutes <br /> The National Weather Service has developed a Heat Index that combines <br /> the ambient temperature and humidity into value that reflects how hot it <br /> really feels. This Heat Index can be used as one measure of risk associated <br /> with working outdoors during the hot months of the year. To use the <br /> ERM 7-2 DEERE/129740-9/29/2011 <br />