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Lindie
Lindie, Handywoman
Category: Home Improvement
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Experience:  Remodeling & fixing things from Drywall, Flooring, Electrical, appliances for 20 years
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What is the life expectancy of a telephone pole

Resolved Question:

I need to know how long utilitys expect there poles to last
Submitted: 11 years ago.
Category: Home Improvement
Expert:  Lindie replied 11 years ago.

Extending service life, while maintaining reliability is being increasingly emphasized. The average life expectancy for a wood pole varies, depending on location, from 30 to 40 years. This useful life of a pole may be shortened due to several factors. One of the most common problems associated with wood utility poles is decay of the wood. New poles receive a preservative treatment to help prevent decay. As a pole ages, the original treatment becomes ineffective, and the pole begins to decay. Decay most often occurs within a region extending about 460-mm above and 460-mm below the ground line.


http://www.ce.umanitoba.ca/~polyzoi/Research/Utility%20Poles/utility_poles.html


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