A simple specification such as No.2 KD-19 XYZ-species may no longer clearly communicate to other parties what products and design values were assumed and used by the RDP in their design work and thus required for the project. For example, see 2024 NDS Supplement, new Table 4G, starting on p. 63...
Due to additional grade-marked products entering the U.S. from other countries over the past 20 years, a simple specification such as No.2 KD-19 XYZ-species may no longer clearly communicate to other parties what products and design values were assumed and used by the RDP in their design work...
Based on the code referenced AWPA U1-2016 Standard, TABLE 2-1, Footnote 1, the answer is no.
Footnote 1: Joists and beams shall be treated to requirements for UC4A when they are difficult to maintain, repair or replace and are critical to the performance and safety of the entire...
