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I <br /> recommended and permissible exposure limits, physical characteristics, and typical symptoms of <br /> exposure. Personnel should be aware that chemical contaminants may mimic or enhance <br /> symptoms of other illnesses. <br /> 4.2 Physical Hazards and Controls <br /> General physical hazards associated with the field activities include heavy vehicular traffic, <br /> buried tanks and pipelines, heat stress and a variety of hazards as summarized in Tables I <br /> through Table 3 . Engineering or administrative controls will be used to reduce hazards to Site <br /> personnel . Personnel are expected to adhere to the safe work practices as described in section <br /> 53 . <br /> As the temperature increases, more frequent and longer rest periods are required (Table 1 ) to <br /> prevent heat stress. Signs of heat stress include heat rash; heat cramps (muscle spasms, or pain <br /> in extremities); heat exhaustion and heat stroke (Table 2). Physical condition, level of <br /> acclimatization, age and weight may affect a worker's vulnerability to heat stress. Provide plenty <br /> of liquids such as juices, juice products, and water to replace lost body fluids. <br /> I <br /> Drilling and construction activities present situations which require controls to minimize hazards. <br /> Table 3 presents engineering and administrative controls for identified physical hazards. <br /> 4.3 Personal Protective Clothing and Equipment <br /> The minimum acceptable level of personal protective equipment for this project is Level D. All <br /> personnel will minimize contact with potentially hazardous materials. Changes to the level of <br /> protection must be approved by the Health and Safety Officer. Level D personal protective <br /> clothing and equipment for the project shall include, at a minimum: <br /> • Hardhat <br />' Safety Glasses <br /> HEAL 771 & SAFETY PLAN 8 s Novembu2a <br /> TREADWELL & ROLLO, INC. 2197.11 HASP-2 <br /> i <br /> I <br />