NZTA - SH1 PUHOI TO WARKWORTH:

CS6 STORMWATER CULVERT AND STRUCTURES

CLIENT: NX2 - Northern Express Group Contractor

COMPLETED: 2019

This project involved the construction of a Quad Barrel 4x large diameter Stormwater culvert, consisting of 3x 2000mm dia. HDPE pipes and 1x 2500mm dia. HDPE pipe.

Our work involved environment-sensitive works such as pouring 4,000m3 of flowable fill adjacent to a live stream without incident, and was lauded by the client. Constructing a low-flow channel and fish baffles for the safe movement of fish along the pipe. Also, undertaking clean stream channel and bypass pumping works.

The works were carried out with high level implementation of health & safety procedures, quality assurance. This project was complted during Winter and had strict environmental controls and awareness onsite, with none of the approx 4,000m3 of flowable fill concrete reaching the live stream.

Installing the final 2500mm dia PE Pipes with Relief Inlet.

Installing the final 2500mm dia PE Pipes with Relief Inlet.

Finsished product - 4x Inlet Struture with Debris fins and Relief Inlet Risers with Scruffy Domes installed.

Finsished product - 4x Inlet Struture with Debris fins and Relief Inlet Risers with Scruffy Domes installed.