Refer to table 3.1 AS1170.4-2007/R2018 and table 3.1 AS1170.0-2002
Refer to table 3.2 AS1170.4-2007/R2018
Refer to table 6.4 AS1170.4-2007/R2018
Note: Maximum Stiffener Spacing (L2) is applicable If there is no return wall less or equal to L1.