| For positions controlled by cover | |
|---|---|
| In beams, slabs, columns and walls | -5, +10 mm |
| In slabs-on-ground | -10, +20 mm |
| In footings cast in the ground | -20, +40 mm |
| For positions not controlled by cover | |
|---|---|
| The location of tendons on a profile | 5 mm |
| The position of the ends of reinforcement | 50 mm |
| The spacing of bars in walls and slabs, fitments in beams and columns | 10% specified spacing or 15mm (whichever is greater) |
Source
AS/NZS Standards documentation
Related Link: SRIA