How are electric utility poles pressure treated?

Rocio Boyle asked a question: How are electric utility poles pressure treated?
Asked By: Rocio Boyle
Date created: Tue, Mar 23, 2021 9:36 PM
Date updated: Mon, Jun 27, 2022 2:22 PM


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What should I know about pressure treated wood poles?

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42% of all poles are treated with arsenic; and 13% are still treated with creosote. • The use of penta is prohibited in 26 countries around the world, but not in the United States. • Penta and its contaminants, dioxin, furans, and hexochlorobenzene are considered the United Nations Environmental Program to

Most poles are preservative treated with the entire pole placed in a pressure cylinder during processing. But some Western Red Cedar poles may only have the butt, or lower portion of the pole, treated with preservatives. The potential for deterioration of a wood pole is higher at the ground line or below, where there is more chance of exposure to water and insects.

All timber utility poles, need to be treated using a creosote or CCA process in order for them to be protected from pest, insects and fungi infestations. Timber that is in contact with the ground such as the utility pole itself, will need to be H4 treated, while the cross arms will require a H3 treatment. The lesser treatment is due to there being no ground contact.

Wood utility poles are treated with preservatives that help them last decades. We don’t normally give much thought to utility poles until someone pulls up in a bucket truck to work on one or a spitting power line falls during a storm. But few things are as useful.

They are the backbone of overhead line construction, and most of these poles are pressure treated with some type of preservative. Choosing a pole treated with an appropriate wood preservative for the environment can save a utility time, frustration and money. And, there are a number of chemical choices available.

our poles are treated according to the latest american wood-preservers’ association (awpa) standards wood preserver available are creosote, penta, and cca. PRESERVER RETENTION LEVELS VARY AS TO THE NEEDS FOR THE INTENDED USE; UTILITY POLES, DISTRIBUTIONS POLES, LIGHT POLES, TRANSMISSION POLES AND BARN POLES ALL HAVE DIFFERENT RETENTION NEEDS FOR THE AREA OF THE COUNTRY AND USES.

The majority of utility poles are pressure treated with oil based pentachlorophenol (PCP). PCP does not bond with the cells of the wood – and is subject to the forces of gravity. Witness a brand new utility pole; it has a general appearance of being evenly treated for its entire length.

Huxford Pole and Timber Co., Inc. CCA, Penta: Huxford: AL: 800-338-2674 Fax 251-294-5496 : K: Koppers Utility & Industrial Products Sales Headquarters: CCA, CCA-CE, Penta: Orangeburg: SC: 800-476-4401 803-543-7467 Fax 803-534-6328: Koppers Utility & Industrial Products: Penta: Vance: AL: 877-633-8608 205-633-8608 Fax 205-533-8604: Koppers Utility & Industrial Products

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