Road extension costs rise $5.7m

The proposed Halswell Junction Rd extension. Map: Christchurch City Council
The proposed Halswell Junction Rd extension. Map: Christchurch City Council
The cost of constructing an extension to Halswell Junction Rd has increased by $5.7 million, largely due to the costs involved with the rail infrastructure work.

The city council has committed to building a new link road from Halswell Junction Rd at Foremans Rd to Waterloo Rd to improve safety and freight network connections.

The new road will cross over railway lines so the city council has been working with KiwiRail on how to integrate it with the rail infrastructure.

The design work is taking much longer than anticipated because of the complexity of the design and a shortage of experienced staff at KiwiRail, but some of the work required has begun.

KiwiRail originally estimated the work, which involves relocating track and sidings, as well as building a new crossing and signals, would cost about $6.9 million.

However, it has now advised the city council that the rail infrastructure work is likely to cost $11.1 million – $4.2 million more than expected.

At the same time there has been a $1.3 million increase in the estimated cost of the roading component of the project, meaning there is an overall budget shortfall of $5.5 million.

The city council will consider today a report that recommends putting an additional $5.5 million in the FY24 for the project.

“The project is at a stage where it cannot proceed further without additional budget of $5.5 million being allocated,’’ the report says.

“There is strong support for this project to proceed from both the business community and the community board. As well as improvements to the freight network, the project will provide significant amenity and safety improvements for all road users and will remove large vehicles from the existing residential section of Halswell Rd between Foremans Rd and Waterloo Rd.’’

The report says if additional funding is allocated, the city council’s component can then be tendered and KiwiRail can continue with their part of the works.

That will allow construction of the new link road to be completed by June 2023.

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