Brynderwyns road improvements

Fulton Hogan, in collaboration with NZ Transport Agency Waka Kotahi, led the SH1 Brynderwyn Hill Recovery Works to improve the roads and address environmental concerns. This extensive project involved a 2km rebuild of the Brynderwyns on SH1 in Northland. The remediation, carried out over a four-month road closure and successfully addressed 18 slips caused by Cyclone Gabrielle.

Project: The SH1 Brynderwyn Hill Recovery Work

Customer: Fulton Hogan

Challenge:
Large areas of exposed soil posed a significant risk of contaminated run-off water entering nearby streams.
Finding a solution to prevent sediment from entering the waterway, which could contaminate the water and impact aquatic life.



Solution:
Envirohubs were set up to capture run-off water. These systems automatically activate and dose according to pre-determined bench test parameters.

Result:
Sediment was effectively prevented from entering the waterways.


Lamella Clarifier. 

*Formerly known as Prime Pump, now Prime Fluid Management