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SEACOR STANDARD SAFETY DRILLING SAFETY SSP 30 PROCEDURES • Should the rope "grab" the cathead or otherwise become tangled in the drum, release the rope and sound an appropriate alarm for all personnel to rapidly back away and stay clear._ The operator,should also back away and stay clear If the rope "grabs!' the cathead, and tools are hoisted to the sheaves at the top of the mast/derrick, the rope will often break, releasing the tools. If the rope does not break, stay clear of the drill rig until the operator cautiously returns to turn off the drill rig engine and appropriate action is taken to release the tools. The operator should keep careful watch on the suspended tools and should quickly back away after turning off the engine. • Protect the rope from contact with all chemicals. Chemicals can cause deterioration of the rope that may not be visibly detectable • Never wrap the rope from the cathead (or any other rope, wire rope or cable on the drill rig).around a hand, wrist, arm, foot, ankle, leg or any other part of your body. Always maintain a minimum of 18 inches of clearance between the operating• hp g hand and the cathead drum when driving samplers, casing or other tools with the cathead and rope method. Be aware that the rope advances toward the cathead with each hammer_blow as-the sampler or other drilling-tool-advances-into t_he-ground- - • -- ---Never-operate a-cathead-(or perform anyother Task-around a drill-rig)with loose, unbuttoned or otherwise unfastened clothing, or when wearing gloves with large cuffs or loose straps of lacings • Do not use a rope that is any longer than necessary. - A rope that is too long can form a ground loop or otherwise become entangled with the operator's legs. • Do not use more rope wraps than are required to hoist a lead • Do not leave a cathead unattended with the rope wrapped on the drum. • Position all other hoist lines to prevent contact with the operating cathead rope. • When using the cathead and rope for driving or back-driving, make sure that all threaded connections are tight and stay as far away as possible from the hammer impact point. • The cathead operator must operate the cathead standing on a level surface with • good, firm footing conditions without distraction or disturbance corp-h&.slssp-30 30_17 REVISED 11/02/92