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PHYSICAL HAZARDS <br /> Physical hazards expected on the job site include those associated with excavation using <br /> construction equipment. MI personnel are warned and trained to stay at least 10 feet <br /> away from the equipment unless they have made visual contact with the operator and <br /> the operator has communicated permission to approach the equipment operators work <br /> area. Equipment also generates a noise level in the immediate vicinity of the operating <br /> equipment. Hearing protection will be required for those people working within 30 feet <br /> of the equipment for more that one hour a day. A hazard exists where the equipment <br /> operator may have to operate in areas that he or she can not see. In this case, one of the <br /> other personnel will be stationed in a position to see both the operator and work area. <br /> Standard hand signal will be used to communicate with the operator. <br /> EXCAVATION <br /> Jackhammers may be used to break up any asphalt/concrete in or around the job site. <br /> Proper hearing protection will be used by the operator and by all people working within <br /> 30 feet of the equipment for more that one hour. <br /> Allowable Exposure <br /> Sound level (dbA) Times per day (hrs) <br /> 90 g <br /> 95 q <br /> 100 2 <br /> 105 1 <br /> 110 ,5 <br /> Protective goggles shall be worn by all personnel within 30 feet of this activity to avoid <br /> injury to the eyes from flying debris. Personnel will not be allowed within the 30 foot <br /> range unless they are needed to assist the operation. <br /> All activities within the scope of this project must comply with all applicable federal <br /> and California OSHA safety standards to reduce the risk of injury. Although other rules <br /> may also apply, the following controls are to be emphasized for this project. <br /> Page 9 <br />