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HPR 311LabLab 4 Assignment-Sling Psychrometer/WBGT (select PDF* Version or highlight/select all and print off, complete, put your name on it and turn in for credit) Do your own work!!!!!!! Page One RISK MANAGEMENT Name:__________________________ TEACHING OBJECTIVE 3: Obtain/interpret environment data, recognizing hazardous conditions, make recommendations for activity SCENARIO 1 You're employment is at the University of the SouthWest in Tucson Az. Using a sling psychrometer you would assess pre-practice conditions 20 minutes prior to a scheduled football practice (3:30 p.m.). There is sunshine, clear skies, a slight breeze out of south west at about 8 mph. The following data is provided by the sling psychrometer: Dry Bulb Temperature= 120 degrees Wet Bulb = 75 degrees Humidity = 30 % Using Heat Index chart in the GREEN NOTEBOOK, what is the heat index? ______________________________ What are the recommendations for practice? _________________________________________ SCENARIO 2 You're employed at a high school in Northtown, New Jersey. Using the sling psychrometer you would assess pre-practice conditions 20 minutes prior to a scheduled football practice (3:30 p.m.). There is slight overcast, little to no wind. The following data is provided by the sling psychrometer: Dry Bulb Temperature= 95 degrees Wet Bulb = 75 degrees Humidity = 50 % Using the Heat Index chart in the GREEN NOTEBOOK, what is the heat index? ______________________________ What are the recommendations for practice?__________________________________________________ SCENARIO 3 You're employed at a high school in Southville, MS. Using the sling psychrometer you would assess pre-practice conditions 20 minutes prior to a scheduled football practice (3:30 p.m.). There are heavy cloud cover, 70% chance of rain, a thunderstorm WATCH is in effect, with a storm 15 miles south of you, moving into your area. The following data is provided by the sling psychrometer: Dry Bulb Temperature= 98 degrees Wet Bulb = 97 degrees Humidity = 98 % Using this link to the Heat Index chart in the GREEN NOTEBOOK, what is the heat index?_________________________________ What are the recommendations for practice? ____________________________________________________ Page 2 SCENARIO 4 You are employed at a high school that does not have enough money to purchase a sling psychrometer. You must build your own. After completion you test it out: Dry Bulb temperature is 98 degrees Wet Bulb temperature is 85 degrees Globe temperature is 105 degrees Using the formula in your text, what is the heat index? ____________________________ What are the indications for practice?______________________________________________ SCENARIO 5 Later in the day, you measure the temperatures Dry Bulb temperature is 101 Wet Bulb temperature is 90 Globe temperature is 120 Using the formula in your text, what is the heat index?__________________________________ What are the indications for practice? ________________________________________________________ SCENARIO 6 The next day you measure the temperatures Dry Bulb temperature is 97 Wet Bulb temperature is 89 Globe temperature is 110 Using the formula in your text, what is the heat index? __________________________________________ What are the indications for practice? _________________________________________________________
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