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You are here: Home » GHK Piling » Pipiwai, Manawaora and Te Wahapu Roads Retaining Walls

Pipiwai, Manawaora and Te Wahapu Roads Retaining Walls

The contract involved the construction of two packages of retaining walls, one at Pipiwai Road and one at Manawaora Road. Due to our performance on the contract, the construction of an additional retaining wall at Te Wahapu Road was added, and all three walls were completed within the initial contract period.

The challenges on the projects included traffic, the remoteness of the worksite and the access for our anchor installation machinery.  It was important for the Supervisor and Foreman to plan each day’s works thoroughly to ensure that the correct equipment and materials were taken to site to avoid significant downtime.

The project had one variation on the construction of the Pipiwai Road timber retaining wall. Due to unforeseen ground conditions, longer poles were required and more anchors had to be installed. We managed the variation by collaborating with FNDC and design engineers providing potential value engineering solutions that were efficient in terms of cost and programme. We were able to utilise steel walers for the additional works which we had in stock from a previous FNDC contract (which changed from a timber pole retaining wall to a mass rock after the waler was manufactured). This solution saved FNDC significant money and time on manufacturing.

The most innovative part was working with the client to find a solution. We did this by way of a design for the extra anchors and walers for the Pipiwai Road retaining wall. We also were able to save time and money by proposing to utilise the waler we had in stock from a previous contract.

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Phone: 09-435 4443
9-11 Hewlett Street, Whangarei
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KEY PERSONNEL

Marty Stam, Construction Manager
Steve Bowling, Managing Director
Cameron Lornie, Projects Engineer

What Our Customers Say

  • “…A huge congratulations to all of you for your commitment to the construction of this project and its various elements…” Paul Dell – Whangarei District Council, Group Manager District Living Read more...
  • “The GHK team did a great job on the install of our piles and sea wall for our Travelift piers. The finished product was built to spec and was well finished off, leaving the site clean, tidy and well presented...” Brad Hall – General Manager – Oceania Marine Ltd Read more...

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Bowling Infrastructure Group considers it imperative that all staff return home to their families fit and healthy at the end of each day, the impact of our works on the environment is minimised, and that our projects are constructed to specification, … More info...

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