COMPLIANCE INFO_2023 HEATH & SAFETY PLAN

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8 Rotosonic drilling 1 Fire hydrants are often used for water source. Hydrants deliver water at high pressure. Pressurized water can cause flying parts/debris and excessive slipping hazards. Water usage from fire hydrants should be cleared with local muncipalities prior to use. Only persons that know how to use the hydrant should be performing this task. Ensure all connections are tight, and hose line is not run over to cut by traffic. Any leaks from the hydrant should be reported immediately. 2 This method requires a lot of clearance. The drill head can turn 90 degrees to attach to the next drill flight or casing. This usually requires a large support truck to park directly behind the rig. As the drill head raises the new casing flight is angled down at the same time until it can be turned completely vertical. Ensure sufficient overhead clearance. 3 Heavy lifting of cores can cause muscle strain. Always use 2 people to move core containers. Use caution moving core samples to layout area. Plan layout area to ensure adequate aisle space between core runs for logging. Keep back straight and use job rotation. 4 The rotosonic drill head can move very quickly up and down while working on a borehole. Moving parts can strike someone or catch body parts. The operator and helper must communicate and stay clear of the path of the drill head. The drill utilizes two large hydraulic clamps to continuously hold casings while load/unloading previous casings. Do not wear loose clothing. 9 Direct push drilling 1 The drill rods will be handled by workers most of the time rather than the rig doing it, therefore pinch points can cause lacerations and crushing of fingers/body parts. Keep a minimum of 5 feet away from drill rig operation and moving parts. 2 The direct push rigs are usually meant to fit in spaces where larger rig can't. Tight spaces can pin workers. Do not put yourself between the rig and a fixed object. Use Spotters or a tape measure to ensure clearances in tight areas. Pre-plan equipment movement from one location to the next. 3 Some direct push equipment is controlled by wireless devices. These controls can fail and equipment can strike workers or cause damage to property. The drill rig should be used in a large open area to test wireless controls prior to moving to boring locations. The operator of the rig will test the kill switch with wireless remote prior to use. Operator will stay in range of rig while moving so that wireless signal will not be too weak and cause errors to the controls. 4 Sampling sleeves must be cut to obtain access to soil. Cutting can cause lacerations. It's preferable to let the driller cut the sleeves open. Many drillers have holders for the sleeve to allow for stability when cutting. If you cut the sleeves, use a hook blade, change blade regularly, and cut away from the body. 5 Soil cores may contain contaminated media. Wear nitrile gloves and saftey glasses for protection from contaminated media when logging soil borings. 10 Rock coring 1 Flying debris can hit workers or cause debris to get in eyes. Rock chips or overburden may become airborne from drilling method. Wear safety glasses and hard hat and remain at a safe distance from back of drill rig. 2 Heavy lifting of cores can cause muscle strain. Always use 2 people to move core containers. Use caution moving core samples to layout area. Plan layout area to ensure adequate aisle space between core runs for logging. Keep back straight and use job rotation.