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SEACOR • STANDARD SAFETY DRILLING SAFETY SSP 30 PROCEDURES • Cover all unattended boreholes or otherwise protect to prevent drill rig-personnel, site visitors or animals from stepping or falling into the hole. All open boreholes should be covered, protected or backfilled_adequately according to local or state regulations on completion of the drilling project. • Do not "horse around" within the vicinity of the drill rig and tool and supply storage area even when the drill rig is shut down. • When using a ladder on a drill rig, face the ladder and grasp either the side rails or the rungs with both hands while ascending or descending. Do not attempt to use one or both hands to carry a tool while on a ladder. Use a hoist line and a tool "bucket" or a safety hook to raise or lower hand tools. An elevated derrick platform should be used with the following precautions: • When working on a derrick platform, use a safety belt and a lifeline. The safety belt should be at least 4 inches (100 mm) wide and should fit snugly, but comfortably. The lifeline, when attached to the derrick, should be less than 6 feet (2 m) long. The safety belt and lifeline should be strong enough to withstand the dynamic force of a_2.50_pound (115 kg) weight (contained within the belt) faIIing 6 = feet (2 m). • When climbing to a derrick platform that is higher than 20 feet (6 m), use a safety _ climbing device. • When a rig worker is on a derrick platform, fasten the lifeline to the derrick Just above the derrick platform and to a structural member that is not attached to the platform or to other lines or cables supporting the platform. • When a rig worker first arrives at a derrick platform, inspect the platform for broken members, Ioose connections and loose tools or other loose materials. • Securely attach tools to the platform with safety lines. Do not attach a tool to a line attached to your wrist or any other part of your body • When you are working on a derrick platform, do not guide drill rods or pipe into racks or other supports by taking hold of a moving hoist line or a traveling block. • Do not leave loose tools and similar items on the derrick platform or on structural • members of the derrick corp-h&slssp-30 30-9 REVISED 11/02/92