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AECOM Heat-Related Illness Prevention <br /> 1.1.3 Dehydration <br /> The 2006 Cal/OSHA Heat Illness Case Study showed that although 90% of the worksites had drinking water <br /> at the site, 96%of the employees suffering from heat illnesses were dehydrated. <br /> Dehydration occurs when the body loses too much fluid. This can happen when an employee stops drinking <br /> water and can be accelerated by work in hot or dry conditions. Not drinking enough fluids can cause muscle <br /> cramps,fainting and shock,which is a life-threatening condition. <br /> Drinking water should increase with activity level. Dehydration can affect the body's ability to recognize <br /> thirst, so employees shall drink water on a time schedule. <br /> In desert conditions it is important that employees drink enough water that urination is required at least <br /> every two hours. Tap water is the best hydration fluid. If sports drinks are used they should be diluted at <br /> least 50 percent with water prior to drinking. Do Not Drink Distilled Water. <br /> Dehydration can be prevented by monitoring urine color, and adjusting water intake accordingly. The <br /> following guidance was developed to aid employees in monitoring hydration levels. This tool can be <br /> downloaded from: Hydration Chart. <br /> GUIDANCE TOOL FOR MONITORING DEHYDRATION <br /> URINE COLORATION CHART <br /> 1 2 3 4 5 6 <br /> Target Dehydration Severe Dehydration <br /> CONTINUE DRINKING WATER INCREASE WATER STOP WORK! <br /> TO MAINTAIN CURRENT CONSUMPTIONTOIMPROVE FIND A SHADED AREAAND <br /> HYDRATION LEVELS_ HYDRATION LEVELS,INCREASE BEGIN TO DRINK COOLTO ROOM <br /> BREAKS FREQUENCY,TAKE TEMPERATURE WATER <br /> BREAKS IN A COOL SHADED AREA. SLOWLY AND STEADILY. <br /> PREVENTING DEHYDRATION <br /> Start hydrating at least 3 days prior to working in high heal conditions <br /> •Always bring enough water to maintain hydration. CalOSHA requires consuming <br /> 1 quart per hour of your work shin-more may be needed <br /> Note This information is guidance only and should not supersede the recommendation or instruction of a personal <br /> physician ormedicalprofesi Col physician or medical professional ifyw have a personal <br /> medical condition or take medication for a personal condition which may Lie adversely affected by clerrydration <br /> Urine cool can We ai by medical vital and or Dther pel health conditions. <br /> 1.1.4 Access to Shade <br /> When temperatures do not exceed 80 degrees Fahrenheit(OF), access to shade for employee will be <br /> provided as needed, or as requested by field teams. Timely access to shade will be provided upon an <br /> employee's request. <br /> May 2015 Page 3 of 10 <br />