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Offers detailed information and training on tie grading.
The RTA Tie Grading Guide offers detailed information and training on specifications, grades and limiting defects for preservative treated wood rail ties.What's New in the Latest Version 1.0.5
Last updated on Sep 19, 2018
Bug fixes
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Tie Grading Guide
1.0.5 by Western Wood Preservers Institute
Sep 19, 2018