State Highway SH1 Mercer
– Long Swamp Re-alignment Project
- South Bound Off Ramp Bridge Abutment
Owner: Transit New Zealand
Contractor: McConnell Dowell Ltd and Ross Reid Contractors Ltd
Design Consultant: Peters and Cheung Ltd
Completion: In-progress
Peters and Cheung Ltd has been engaged by McConnell Dowell Ltd and Ross Reid Contractors Ltd as its design consultant to design a bridge abutment and approximately 95m long retaining walls for the SH 1 South Bound Off Ramp bridge near Mercer Township.
The ground is soft. The bridge abutment and the retaining wall will be constructed using light weight pumice sand and mechanically stabilized earth, MSE, retaining wall system to address the settlement and stability issues.
The project is currently under the design phrase.