The design of a deck involves bracing design calculations for decks greater than 2m away from a dwelling. This is very detailed quite thoroughly in NZS3604 section 5. Though this can be a bit confusing to follow, the following form should be of help.

This form is for calculating the bracing units required and offers solutions how the bracing requirements can be achieved through braced or anchor piles. Please note this calculator is a guide only to aid in understand the bracing requirements for a deck. For more detailed information, please refer to NZS 3604 section 5.

Bracing Calculator for Decks