Earth Stabilization
Retaining Walls.
Standardized engineering rates for remedial and structural boundary systems.
10YR
Warranty
Fixed
2026 Rates
TYPE 01
Concrete Sleeper
$450.00/m²
TYPE 02
Timber Sleeper
$320.00/m²
TYPE 03
Conc. Block (Filled)
$580.00/m²
TYPE 04
Brick Masonry
$650.00/m²