Petone Sand Plant
Geoff CookeWinstone AggregatesPetone Sand Plant
- Weekdays 7.00AM - 5.00PM
- Friday 7.00AM - 4.00PM
Core Products: Sand
Petone Sand Plant supplies the building industry with sand and shingle: valuable, fine and rounded aggregate.
The sand and shingle is dredged from the bed of the Hutt River mouth by a mobile hydraulic excavator mounted on a barge and placed in position by tug. The excavator digs the river bed level to a maximum depth of 4.25 metres below the water level. When the barge has a full load (about 60 cubic metres) it is pushed to the shore and the sediment is unloaded for processing.
Extraction of sediment from the river mouth is required for river flood management purposes – it is important that the river mouth be kept free of excessive sedimentation so that a sand bar does not form as this would increase the risk of flooding in the lower part of the Hutt Valley.