Cranes and Derricks in Construction Look Up Home< BackNext >
Cranes and derricks used in construction must remain at least 20 feet away from lines up to 350 kV, and 50 feet away from lines greater than 350 kV, if operated up to the equipment’s maximum reaching radius. In addition, the operator must implement specific encroachment prevention precautions. (See sidebar.)
As voltage increases, clearance distances also increase. Consult the OSHA regulations at www.osha.gov for specific clearance requirements. NOTE: Virginia and North Carolina have State Occupational Safety and Health Plans. For further information visit the State OSHA Program website at www.osha.gov/dcsp/osp/ and click on your state.
- Once you have established the required clearance, clearly mark a boundary with tape, signs, or barricades.
If any part of the equipment can get closer than 20 feet (for lines up to 350 kV) or 50 feet (for lines greater than 350 kV) contact Dominion well in advance so any necessary facility protection arrangements can be made, and implement encroachment prevention precautions.
Encroachment Prevention Precautions:
In addition to the above precautions, the operator must implement one of the following: