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KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

KIRTLAND AIR FORCE BASE ALBUQUERQUE, NEW MEXICO ...

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APPENDIX F<br />

Do not drive the drill rig from hole to hole with the mast (derrick) in the raised position.<br />

Before raising the mast (derrick), look up to check for overhead obstructions.<br />

Maintain a minimum of 15-ft clearance from all overhead electric lines. See 29 CFR<br />

1926.550 or EM 385-1-1, Section 11.E for additional guidance on operations adjacent to<br />

overhead lines.<br />

Before raising the mast (derrick), all drill rig personnel (with the exception of the operator)<br />

and visitors shall be cleared from the areas immediately to the rear and the sides of the mast.<br />

All drill rig personnel and visitors shall be informed that the mast is being raised prior to<br />

raising it.<br />

Before the mast (derrick) of a drill rig is raised and drilling is commenced, the drill rig must<br />

first be leveled and stabilized with leveling jacks and/or solid cribbing. The drill rig shall be<br />

re-leveled if it settles after initial set up. Lower the mast (derrick) only when the leveling<br />

jacks are down and do not raise the leveling jack pads until the mast (derrick) is lowered<br />

completely.<br />

Before starting drilling operations, secure and/or lock the mast (derrick) if required according<br />

to the drill manufacturer's recommendations.<br />

The operator of a drill rig shall only operate a drill rig from the position of the controls. If the<br />

operator of the drill rig must leave the area of the controls, the operator shall shift the<br />

transmission controlling the rotary drive into neutral and place the feed control lever in<br />

neutral. The operator shall shut down the drill engine before leaving the vicinity of the drill<br />

rig.<br />

Throwing or dropping tools shall not be permitted. All tools shall be carefully passed by<br />

hand between personnel or a hoist line shall be used.<br />

Do not consume alcoholic beverages or other depressants or chemical stimulants prior to<br />

starting work on a drill rig or while on the job.<br />

When encountering a "hot spot" during drilling operations involving volatiles, vacate the<br />

immediate area and allow the borehole to vent. Resume work after monitoring instruments<br />

indicate an atmosphere in compliance with the SSHP.<br />

If it is necessary to drill within an enclosed area, make certain that exhaust gases are vented<br />

out of the area. Exhaust gases can be toxic and some cannot be detected by smell.<br />

Clean mud and grease from your boots before mounting a drill platform and use hand holds<br />

and railings. Watch for slippery ground when dismounting from the platform.<br />

During freezing weather, do not touch any metal parts of the drill rig with exposed flesh.<br />

Freezing of moist skin to metal can occur almost instantaneously.<br />

All air and water lines and pumps should be drained when not in use if freezing weather is<br />

expected.<br />

Kirtland AFB<br />

Base-Wide Health and Safety Plan F-32 April 2004

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