R502.11.3 Roll bracing
Each roll brace shall be a joist or blocking matching [...]
R502.11.2 Timber edge framing
Where a roll brace is not aligned with each guard [...]
R502.11.1 Conventional edge framing
Where a roll brace is aligned with each guard post, [...]
R502.11 Floor framing supporting guards
The framing at the open edge of a floor supporting [...]
