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a C Drill Rig Safety Guidelines 5. Approach changes in grade squarely to be left unattended -without first being tied avoid shifting loads or unexpected down. unweighting. 3. Drill pipe or casing should not be picked up 6. Use a spotter (person at grade) to provide suddenly. guidance when vertical and lateral clearance is questionable. 4. Drill pipe should not be hoisted until the driller is sure that the pipe is latched in the 7. Use hand brakes and block rigwheeis when elevator, or the derrick man has signaled that grades are steep. he may safely hoist the pipe. 8. Lower rig mast before moving rig. 5. During instances of unusual loading of the derrick or mast, such as when making an 9. Secure all loads to rig prior to off-road unusually hard,pull, only the driller should mobilization. be on the rig floor and no one should be on the rig or derrick. 10. EARTH TECH will use geophysical techniques, or equivalent, to locate buried 6. The brakes on the draw works of every utility lines. drilling rig should be tested by each driller, when. he comes on.. shift, to determine C. Raising Mast whether they are in good order. The brakes should be thoroughly inspected by a 1. Locate visually overhead and buried utilities competent individual each week. prior to drilling operations. 7. A hoisting line with a load imposed should 2. Treat overhead electrical lines 'as if they not be permitted to be in direct contact with were energized and maintain at least a 40- any derrick member or stationary foot clearance. equipment, unless.'it has been specifically designed for Fine contact. 3. EARTH TECH will contact appropriate utilities agency to manipulate and deactivate 8. Workers should never, stand near the .well overhead service in areas that interfere with bore whenever any wire line device is being drilling operations. Do not attempt to run. handle utilities. 9. Hoisting control stations should be kept 4. Stabilize and level each work site prior to clean and controls labeled as to their drill rig setup. functions. 5. The derrick must not be raised until the rig 10. Inspect wire, rope, hoisting hardware, ` has been blocked, leveled, and chocked. swivels, hooks, bearings, sheaves, guides, rollers, clutches, brakes for the following: 3 6. Note wind speed and direction to prevent overhead utility lines from contacting rig - abrasions derrick. Allow at least a 20 -foot clearance - breaks between rig mast and utility lines. - wear fatigue D. Hoisting Operations corrosion - jamming 1. Drillers should never engage the rotary - kinking. ih clutch without watching the rotary table and ensuring it is clear of personnel and 11. Avoid the suspension 'of loads when hoist is equipment. unattended. 2. Unless the draw works is equipped with an 12. Prevent hoisting loads directly over field automatic feed control, the brake should not personnel. DRSG-2 Revised - February 9, 1998