Storm Water Drainage
Urban Stormwater
- Drainage laid to stormwater main
- Soak pits
- Onehunga-type soak hole
- Detention tanks
- Retention tanks
- Rain gardens
Rural Stormwater
- Drains laid to water tanks
- Sealed stormwater systems
- Pumps
- Water tank overflow drainage and structures
Surface Water and Driveway Drainage
- Pit boxes for drainage around the house
- Silt traps and Cesspits for driveway drainage