Description

This document is published as a supplement to the 1988 edition of the BRANZ P21 A Wall Bracing Test and Evaluation Procedure. It provides a method of determining the bracing rating of wall systems at a level consistent with that stipulated within the 1990 edition of NZS 3604. The method of testing is unaltered from that detailed in the 1988 edition of the P21 publication. The revised evaluation method can usually be applied to historic test data as well as to new data. Care is required during interpretation of historic data, and it is recommended that this re-evaluation be undertaken by the original testing agency.