Tie Grading Guide Download from App Store
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Tie Grading Guide app for iPhone and iPad


4.8 ( 6448 ratings )
Business Education
Developer: Western Wood Preservers Institute
Free
Current version: 1.0.5, last update: 9 months ago
First release : 17 Sep 2016
App size: 39.65 Mb

The RTA Tie Grading Guide offers detailed information and training on specifications, grades and limiting defects for preservative treated wood rail ties.