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A massive crane will be assembled on State Highway 22 near Drury as part of major motorway upgrades, with bridge piling work expected to take five months to complete.
Waka Kotahi New Zealand Transport Agency (NZTA) says the work is part of Stage 1B of the Papakura to Drury project, which includes relocating the Drury Interchange to the east.
The stage involves building a new SH1 motorway bridge over SH22/Great South Road, constructing new abutments for three bridges over the North Island Main Trunk railway, and creating the new motorway alignment leading to the bridges.
NZTA says the next stage requires assembling a 280-tonne crane in the Drury southbound gore triangle – the area between the motorway and slip road – to carry out bridge piling for the new SH1 bridge over Great South Road.
The crane will be brought in during night works from Monday 16 February to Tuesday 17 February, with full road closures required to carry out the work safely.
Once assembled, crews will begin impact-hammer piling during the day until the pile casings reach the required depth.
Bridge piling works on the northern side of SH22/Great South Road are expected to take around five months to complete.
Night works will run Sunday to Thursday from 9pm to 5am, although crews may arrive and pack up outside these hours.
Daytime works will run Monday to Saturday from 7.30am to 6pm, with additional time allowed for setup and pack-down.
NZTA says the work will generate noise and vibration, but all activity will remain within permitted limits.
Motorists are advised to plan ahead and expect disruptions while the work is under way.
