HT25 - TRENCHING 47 Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. NOTICE : Know and comply with regulations covering One-Call service and utility notification before digging or drilling. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away. NOTICE : Cutting high voltage cable can cause electrocution. Expose lines by hand before digging. Incorrect procedures can result in death, injury, or property damage. Learn to use equipment correctly. NOTICE:
Cutting or drilling through concrete and rock that contain sand or quartz may result in exposure to silica dust that can cause lung disease. Use respirator, water spray, or other means to control dust. Silica dust is known to the state of California to cause cancer. p SETUP SETUP