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1 3.2.7 Confined Space Entry It is not anticipated that any work conducted during this project will require entry into a S confined space A confined space is defined as an enclosure which is large enough for an employee to enter, but which has limited means of access and egress and is not designed for continuous employee occupancy A permit-required confined space is a confined space as defined above which also contains _ one or more health and/or safety hazards. This can include chemical, mechanical, electrical, or other hazards Entry into any confined space on this project is prohibited unless otherwise noted in the HASP addenda. 3.2.8 Noise Nearby traffic and excavation activities associated with the project may generate loud noise ' Exposure to sound levels above 85 dBA can cause temporary unpairment of hearing Prolonged and repeated exposure to sound levels above 85 dBA can cause permanent hearing damage The risk and severity of hearing loss increases with the intensity and duration of the exposure In addition to damaging hearing, noise can impair voice commurucation, thereby increasing the risk of incidents ' 3.2.9 Heat and Cold Stress Weanng personal protective equipment (PPE) can put site personnel at considerable risk of heat stress and heat related illnesses if proper precautions are not implemented Heat related ' illnesses range from transient heat fatigue to heat stroke and death. Heat related illnesses are caused by a number of interacting factors which include environmental conditions, clothing, work load, and characteristics of the individual worker Individuals vary in their susceptibility to heat stress. Factors that influence an individuals tolerance for heat include physical fitness, diet, alcohol/drug use, sleeping habits, acclimation, genetics, medical condition, age and weight. The signs of heat stress disorders are given below tMW11-29-94/RHS/HASP/94-0037.JAF 3_5 1