Subsurface Water Management – Langley Park Subsoil Drainage Project, Perth, Western Australia, March 2018 – Mastenbroek drainage machine feeding aggregate, sand and draincoil slotted drainage pipe into a precision laser levelled trench.
Subsurface Water Management – Langley Park Subsoil Drainage Project, Perth, Western Australia, March 2018 – Mastenbroek drainage machine feeding aggregate, sand and draincoil slotted drainage pipe into a precision laser levelled trench.