Standard Carport Size Nz. 2.4m, 3.0m, 3.6m, or 4.2m: 1.8m centres as standard and 1.2m optional:
A building consent is not required for carports up to 20 square metres in ground floor area. This is more than the span in figure 1, so a 2.2 m rafter span is suitable. Height (m) 2.4m, 3.0m, 3.6m, or 4.2m:
Try 2.2 m span × 1.3 multiplier = 2.86 m apply the additional 10% permitted in note 1:
Try 2.2 m span × 1.3 multiplier = 2.86 m apply the additional 10% permitted in note 1: For two smaller compact cars a better size double carport i would recommend would be 20x21. The width or diameter can vary from 350mm wide to 600mm wide, with the depth varying from 750mm to 1.5m and more. Until d1/as1 is revised, its method of calculation can be used, but the barrier free trust believes the nzs 4121:2001 method should be followed.
