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Quick Win Retaining Wall Construction

To kick off the start of the programme of upgrades along Porangahau and Wimbledon Roads (from Porangahau Road, Waipukurau to the Tararua Boundary on Wimbledon Road), four retaining walls were identified as Quick Wins – these sites are now being built and work will run from June to October 2020 – for more detail on each piece of work, please click the drop down accordion below:



Backfill and road rehabilitation prep is underway, the project is close to completion.

C1075 Porangahau Road 300920


C1075 Porangahau Road 280920


C1075 Porangahau Road 170920


C1075 Porangahau Road 150920


Poles are due to go in this week.

C1075 Porangahau Road 030920


Holes for poles are currently being dug and augered.

C1075 Porangahau Road 010920


Work is progressing well on site, last week the new poles were set out and concrete was poured at site #1 to set the poles in place.

IMG 0674

UPDATE - 27 JULY 2020

Work is progressing on two sites along Porangahau Road where new retaining walls are being installed to improve road resilience, stability and safety.

Downer RW Phau 25 July 2020

UPDATE - 12 JUNE 2020

Central Hawke’s Bay District Council has contracted Downer to strengthen two existing retaining walls on Porangahau Road, to account for the increased traffic being experienced along this major thoroughfare, and future proof for further growth.

Retaining wall 1: Located 27.5km from Waipukurau. Works due to start Monday 22 June (weather dependant).

C1075 Porangahau Road RW27488 Location

Retaining wall 2: Located 28.5km from Waipukurau. Works due to start on Monday 29 June (weather dependant).

C1075 Porangahau Road RW184 Location

Please account for minor delays to your journey, with the potential for single lane traffic being controlled by a stop/go system, through the course of the works.

Work is scheduled for completion Sunday 23 August, (weather dependant). Council apologise in advance for any disruption to your travel through this time. Please obey road signage on the work sites for the safety of all road users and construction staff.

For further information please contact the following:


John Patten, Contract Manager – 027 232 5946

James Paston, Project Manager – 027 447 0221

Map of area pic Page 3




UPDATE - 23 SEPTEMBER 2020 (Wimbledon Road)

Ongoing management of the site to install the retaining wall is underway.

C1076 RW Wimb Russell Roads 230920

UPDATE - 18 SEPTEMBER 2020 (Porangahau Road)

C1076 Ret Wall Russell Roads 180920

UPDATE - 09 SEPTEMBER 2020 (Wimbledon Road)

Some concerns with the drop off and ability to manage the cut to establish the retaining wall is underway this week.

C1076 RW Wimb Russell Roads 090920

UPDATE - 09 SEPTEMBER 2020 (Porangahau Road)

Backfill commences and culvert install is underway.

C1076 Ret Wall Russell Roads 090920

UPDATE - 08 SEPTEMBER 2020 (Wimbledon Road)

Site is being established

C1076 RW Wimb Russell Roads 080920

UPDATE - 28 AUGUST 2020 (Porangahau Road)

Ongoing preparation for the retaining wall posts continue.

C1076 Ret Wall Russell Roads 280820

UPDATE - 19 AUGUST 2020 (Porangahau Road)

Ongoing preparation for the retaining wall posts continue.

190820 C1076 Phau Road

UPDATE - 10 AUGUST 2020 (Porangahau Road)

This week the team are removing fill to prepare for the retaining wall set out.

C1076 RW PGF Programme


Currently the team continues to excavate out for the retaining wall and does this in stages (known as benches). The next week will see this continue along with the installation of basecourse layers.

Sign 3 05.08.2020

UPDATE - 27 JULY 2020

The project is progressing well and the contractor is currently installing subsoil drainage before the retaining wall is constructed.

C1076 Drainage for RW

UPDATE - 10 JULY 2020

Russell Roads have commenced our second Quick Win project along this route - these projects have been identified as areas where we were able to deliver project fairly quickly along the route - the other projects along the route would take a bit longer the physically commence as we develop scope and design before getting a contractor onsite.

C1076 Signboard Project Commencement

UPDATE - 03 JULY 2020

The linked letter has been delivered to residents around the planned project sites - works are expected to commence shortly.

The locations of the two retaining walls are outlined below.

Retaining Wall 177 on Porangahau Road

C1076 Porangahau Road RW177 Location

Retaining Wall 283 on Wimbledon Road

C1076 Wimbledon Road RW283 Location

Update - 02 October 2020

The retaining wall sites are across Porangahau and Wimbledon Roads.

IMG 1492

Update - September 2020

There are 8 sites being investigated for future retaining walls, one site covers essentially 3 features (two retaining walls with pavement deformation behind and a shoulder slump, 4 boreholes, over 140 m of road).  These have ended up as one “location’ as they are all part of the same feature, being a wide unstable slope through which the road passes.

Some photos of drilling this week so far for Retaining Walls:



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