Construction on the project began in the suburb of Niddrie on 23 March 2015. The project is being delivered by a joint venture between John Holland and KBR.

Melbourne Water Project Manager Paul Jackson said a total of 6.6 km of water main between Niddrie and Tottenham Railway Station, West Footscray, would be replaced over the next seven months.

Mr Jackson said work would move in 100 m sections, with the technique of sliplining used in some areas to minimise impact to busy thoroughfares.

The sliplining will see new pipe pushed through the old pipe without the need for excavation.

Built in 1928, the M1...