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Safety and Health Plan Proposed Distribution Center Stockton, California February 18, 2022 Terracon Project No. NA227001 8 7.0 Drilling Safety Precautions Six soil borings will be advanced on the site using a hollow-stem auger drill rig to depths of approximately 70-feet bgs, five feet into the first encounter of groundwater, or refusal, whichever is encountered first. Additionally, six 15-foot soil borings will be advanced using a hollow-stem auger drill rig. The personal protective equipment and direct-reading air monitoring requirements specified below are designed to prevent personnel exposure to contamination in excess of permissible exposure limits. Personnel must remain aware of the potential for fire if soils saturated with flammable liquids, such as gasoline, are encountered. 8.0 Site Physical Hazards/Precautions The physical hazards associated with intrusive site activities can include inclement weather, material handling, slips/falls etc. Some anticipated hazards and means for preventing injury from those hazards are as follows: Back injuries due to improper lifting - Use proper lifting techniques. Lift with the legs, not the back. Keep loads close to the body and avoid twisting. Loads heavier than 50 pounds (lbs.) require a second person or mechanical device for lifting. Use mechanical devices such as drum dollies, hand trucks, and tool hoists (for lifting augers) to lift or move heavy loads whenever possible. Ergonomic Stress - Lift carefully with load close to body with the legs taking most of the weight. Get help with lifts greater than 40 lbs. When working with a heavy tool or object, keep legs under the load and do not overreach or twist to the side. Reposition body to be more square to the load and work. Push loads, rather than pull, whenever feasible. Do not persist with lifting when the load is too heavy. Use a mechanical lifting aid or have a coworker assist with the lift. Rotate repetitive tasks to avoid soft-tissue fatigue. Falls From Elevated Surfaces - Protect employees from falling off surfaces that have a side or an edge that is 6 ft. or more above a lower level. Provide a safety harness and shock-absorbing lifeline or adequate fall protection where applicable. Employees must wear them when working 6 ft. or higher above the platform or main work deck. Install either a guardrail system or fall arrest system that conforms to 29 CFR 1926.502 (d) and is approved by the American National Standards Institute. Vehicles - Obey all site traffic signs and speed limits. Seat belts must be functional and in use during operation of any site vehicles (including rentals). Operator shall regularly inspect the vehicle for defective parts, such as brakes, controls, motor, chassis and drives. Always be aware and stay alert to traffic around the work area.