Cracks were first noticed on 30 January, and road engineers were on site to monitor the situation – 30 January 2023.
Cracks began to widen and worsen on 1 February 2023.
Asphalt was applied to the other side of the road – 2 February 2023
The section of the road had slumped around 200mm – 2 February 2023.
Work was quickly underway to fell trees to prepare for a temporary diversion road on private property – 7 February 2023.
The slip had dropped another 400mm – 7 February 2023.
A big job ahead for our contractors, Fulton Hogan – 9 February 2023
Earthworks began on the temporary diversion road – 9 February 2023.
By 10 February, it was clear that the slump was worsening.
Meanwhile the earthworks were steaming ahead – 10 February 2023.
After Cyclone Gabrielle went through, the slip had dropped a massive 2.5m – 14 February 2023.
From below, the extent of the big drop is evident – 14 February 2023,
It now spans nearly 30m of the highway, and has crossed the centreline – 14 February 2023.
The earthworks showed good progress – 17 February 2023.
It’s all go with earthworks on the underslip, pictured here looking towards Hamilton on 1 March 2023, prior to the temporary diversion road opening.
A view of the worksite looking towards Raglan on 1 March 2023.
The diversion road ready for traffic just before it opened at 8pm on Friday 3 March.
The temporary diversion road re-established this crucial connection between Raglan and Hamilton – 16 March 2023.
The crew prepare to begin drilling the concrete piles deep into the hillside – 16 March 2023.
The geosynthetic retaining wall is taking shape, as seen in this photograph taking looking towards Raglan – 3 April 2023.
The rebuild of SH23 will be resilient for the future; the geosynthetic retaining wall looking east – 3 April 2023.
Contractors hard at work building the retaining wall – 12 April 2023.
The mahi is hard, but check out the views! – 12 April 2023.
The geosynthetic retaining wall is built layer by layer – 12 April 2023.
After the structural work was complete, kaumātua from Ngaati Maahanga carried out a blessing on the site – 2 May 2023
The Hon Nanaia Mahuta, Minister for Waikato Regional Cyclone Recovery, was among the dignitaries at the blessing – 2 May 2023
As good as new! The resealed highway awaiting lane markings – 29 May 2023
The geosynthetic wall has stabilised the hillside – 29 May 2023