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| Overhead Power Line Clearances |
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| Maintaining the proper clearance from overhead power lines is not only critical to a safe work environment, it’s the law. Before you start work, call Duquesne Light Company at 412‑393‑7100 to verify voltages and determine required safety clearances. |
| Order our FREE worker safety training kit on the Duquesne Light Company e‑SMARTworkers website. |
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| The Deal on Clearances |
| Here are some key rules to remember: |
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When working with ladders, scaffolding, or long tools, keep yourself and all tools and equipment at least 10 feet away from overhead power lines carrying up to 50 kV, including service drops that run from utility poles to buildings. |
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When cranes and derricks are used in construction, keep the crane boom and load at least 20 feet away from lines up to 350 kV and 50 feet away from lines greater than 350 kV but at or less than 1,000 kV. Always assume the line is energized, and allow nothing closer unless you have confirmed with the utility owner/operator that the line has been de-energized. |
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If voltage is unknown, contact Duquesne Light Company before work begins. |
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As voltage increases, clearance distances also increase. For specific requirements, consult Duquesne Light Company and osha.gov. |
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Clearly mark boundaries with tape, signs or barricades to keep workers and equipment the required distance away. |
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Always use a dedicated spotter on the ground to help you stay clear of power lines. |
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| If you must work closer than regulations allow, contact Duquesne Light Company at 412‑393‑7100 well in advance so that safety arrangements can be made. |
| Don’t Forget |
| Power lines are not insulated. Always consider them energized and dangerous. Any contact with overhead lines could cause serious injury to equipment operators and ground crew. |
| Would You Like to Know More? |
| Additional utility safety tips, case studies, instructional videos and educational tools can all be found, at no charge to you, on Duquesne Light Company's e‑SMARTworkers website. |
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