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Heavy equipment <br />Noise <br />Exposure to contaminated particulate matter while moving excavated soil <br />Possible contact with gas or power lines during excavating <br />All personnel operating the heavy equipment must be very familiar with the equipment's <br />operating procedures and the safety precautions to be taken. They must know how to shut <br />the equipment off in case of an emergency. <br />Noise levels for heavy equipment operators may be expected to exceed 85 decibels on the <br />A -weighted scale. Therefore, heavy equipment operators will wear disposable earplugs or <br />earmuffs with a Noise Reduction Rating (NRR) of at least 25 decibels. A hearing <br />conservation program, in conformance with OSHA requirements, will be in effect <br />throughout the duration of the project. <br />4 Care will be used when moving excavated soil to avoid creating a dust. An air purifying <br />respirator may be required while performing any operation where sufficient dust may be <br />generated. <br />The Project Manager shall investigate all excavation areas for gas and power lines before <br />digging. This includes contacting the Underground Service Alert organization at <br />(800) 642-2444. No excavation will occur in any area where such lines are found. <br />U <br />U] <br />40 nlpnea2(a04) Page 8 <br />