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Safety and Health Plan <br />1515 Fresno Ave Industrial Building Development Stockton, California Irerracon <br />November 16, 2021 Terracon Project No. NA215051 <br />Mobilize at least one gallon of water for each field employee during each day of site <br />activity. <br />• Periodically observe personnel for signs of heat stress (excessive perspiration, flushed <br />skin, nausea, etc.). <br />• Move affected workers out of contaminant zones, <br />• Loosen protective clothing and permit them to rest <br />• Have conscious, affected personnel drink at least one 8 oz. glass of cool water. <br />• Check pulse; personnel should not return to work until pulse rate is less than 90 beats/min. <br />Heat Stress in Level C/Level B PPE <br />In addition to the above precautions, the following procedures will be implemented whenever the <br />ambient temperature exceeds 70° F and personal protective equipment requirements are Level <br />C or above. Ambient temperature will be measured with a dry bulb thermometer and percent cloud <br />cover will be estimated: <br />1.0 = No Clouds <br />0.75 = 25% Clouds <br />0.5 = 50% Clouds <br />0.25 = 75% Clouds <br />0.0 = 100% Clouds <br />Calculate the adjusted temperature using the following formula: <br />ADJUSTED TEMPERATURE =13(% CLOUD COVER) + DRY TEMPERATURE <br />Rest regimens will be implemented at frequencies dependent upon adjusted temperature. Monitor <br />pulse during each rest period. <br />Adjusted Temperature <br />90+ <br />87.5-90 <br />82.5-87.4 <br />77.5-82.5 <br />70.5-77.4 <br />Rest Period/Monitoring Frequency <br />After 15 minutes <br />After 30 minutes <br />After 60 minutes <br />After 90 minutes <br />After 120 minutes <br />Employees will return to work only after their pulse rate is below 90. Fluid replacement will be <br />encouraged during each rest period. The use of stimulants and alcoholic beverages in off hours <br />should be discouraged to prevent heat related illnesses. <br />19 <br />