City Rail Link Contract 1 Britomart

from Civil Contractors New Zealand National Awards 2022

by Civil Contractors NZ

HEB Construction

Dig. Lift. Hold. Engage.

PROJECT: City Rail Link Contract 1 Britomart CONTRACTOR: Joint Venture Downer NZ & Soletanche Bachy CLIENT: City Rail Link VALUE: $230m

City Rail Link (CRL) is a heroic feat of civil engineering being executed entirely from within NZ. In 2016, CRL awarded Downer NZ Soletanche Bachy JV (DSBJV) the CRL Contract 1 (C1) for enabling works at Britomart Station.

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of skills for the local construction industry. Key innovations included underpinning of the CPO building – a feat of delicate engineering not seen in this country before, involving lifting the 14,000t heritage-listed building onto new foundations, installation of C1 includes an extension of the rail a sophisticated real-time vibration network from Britomart, westwards monitoring system, and integration of underneath the 100-year old Chief Post a new station management system Office (CPO) and lower Queen Street in with a legacy PLC system – in a live Auckland’s CBD. station environment.

Construction of twin rail tunnels The CPO reopened to the public beneath the CPO Building on as the main gateway to Britomart in reclaimed marine mud land next to April 2021, a critical milestone for C1 live rail in NZ’s largest rail station and the wider CRL project, enabling presented major challenges. the progression of other large scale Overcoming these challenges led to developments within the CBD. several NZ-first initiatives and a legacy