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CCA Timber Piles Life Expectancy

CCA Timber Piles Life Expectancy

(OP)
I am searching for a code that discusses the minimum life expectancy of CCA treated timber piles in the salt waters of the Unite States. All I have been able to find so far is a published document from Australia which I am sure will not hold up in this case because it specifically reference Australian waters. I believe it is a supplement to an AUS code. I am looking for something, possibly from the AWPA that may be a supplement to their code or even within their code. I am trying to avoid buying a dozen books. But if someone is positive about which book, I will definitely buy it for my company library. Thank you in advance.

RE: CCA Timber Piles Life Expectancy

I don't believe there is a code for the USA that covers CCA life expectancy in salt water. There probably are some research papers for specific conditions and locations.

The biggest factor is the original CCA retention used. The typical range is from 0.25 PCF to 2.5 PCF. Other factors are average water temperature, average salinity, constantly submerged or in a tidal zone, wood species, etc.

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