All earthworks shall be carried out to the lines, levels and grades shown on the approved construction drawings or as otherwise instructed by the Engineer. The accuracy of surfaces to be overlaid with metal courses or by concrete structures shall be such as to preserve the minimum thickness of the overlying layers. Tolerances shall otherwise be as follows:
- Road Subgrades: 0mm-10mm
- Batters: 0mm-(+) 100mm
- Rockfill Surfaces: (±) 200mm
- Other Surfaces 0mm-(+) 75mm
Definitions in this section
Engineer
Road