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Safety During Drilling Operations ❑ Do not drive the drill rig from hole to hole with the mast (derrick) in the raised position, unless for short distances and all overhead obstructions have beer cleared. Before raising the mast (derrick) look up to check for overhead obstructions. Consult Figure 1, for distances from power lines. ❑ Before the mast (derrick) of a drill rig is raised and drilling is commenced, the drill rig must be first leveled and stabilized with leveling jacks and/or solid cribbing. The drill rig should be re -leveled if it settles after initial set up. Lower the mast (derrick) only when levelingjacks are down and do not raise the leveling jack pads until the mast (derrick) is lowered completely. ❑ Before raising the mast (derrick), all drill rig personnel and visitors (with exception of the operator) should be cleared from the areas immediately to he rear and the sides of the mast. All drill rig personnel and visitors should be informed that the mast is being raised prior to raising it. I ❑ Before starting drilling operations, secure and/or lock the mast (derrick) if required according to the drill manufacturer's recommendations. ❑ The operator of a drill rig should only operate a drill rig from the position of the controls. The operator should shut down the drill engine before leaving the vicinity of the drill. ❑ Watch for slippery ground when mounting/dismounting from the platform. i ❑ All unattended boreholes must be adequately covered or otherwise protected to prevent drill rig personnel, site visitors or animals from stepping or falling into the hole. All open boreholes should be covered, protected or back-filled adequately and according to local or state regulations on completion of the drilling project. ❑ "Horsing around" within the vicinity of the drill rig and tool and supply storage areas should never be allowed, even when the drill rig is shut down. ❑ Be careful when lifting heavy objects. ❑ Before lifting a relatively heavy object, approach the object by bending at the knees, keeping your back vertical and unarched while obtaining a firm footing. Grasp the object firmly with both hands and stand slowly and squarely while keeping your back vertical and unarched. In other words, perform the lifting with the muscles in your legs, not with muscles in your lower back. ❑ Drilling operations should be terminated during an electrical storm. 10