Background
Tauranga City Council engaged TECL to design a replacement coastal erosion protection structure at the Anchorage Grove Reserve, Maungatapu. The existing seawall was in a state of disrepair and was no longer a serviceable seawall.
Objectives and Constraints
The proposed development involved replacing the existing grouted rock wall with a MagnumStone pre-cast concrete block seawall. A replacement concrete ramp and new stairs were also incorporated into the project to enhance accessibility.
The new seawall comprises of two tiers each measuring approximately 915mm in height. The lower tier spans about 65 metres, while the upper tier extends approximately 33 metres. Although a detailed geotechnical investigation was not feasible due to the high density of underground services, a comprehensive site topographical survey was conducted.
Unforeseen poor ground conditions were encountered when constructing the foundation which led to the foundation design being investigated. Design levels were also confirmed on site and the design of the stairs, ramp and sea wall were adjusted and amended throughout the project.
Outcomes
TECL, in collaboration with Higgins, managed the site efficiently, ensuring that the project was completed ahead of schedule. The successful teamwork allowed for high-quality results, with all unforeseen challenges being promptly addressed and resolved.
Project Details
| Type of Work: | Design / Report / Management |
| Project name: | Anchorage Grove Seawall Replacement |
| Client: | Tauranga City Council |
| Location: | 27 Anchorage Grove, Maungatapu |
| Department: | Structures / Civil / Geotech |
| Commencement: | May 2024 |
| Sign-Off Date: | August 2024 |
| Project Manager: | Chene Strydom |
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Our breadth of specialised knowledge has allowed us to provide and oversee unique and practical design solutions for a wide range of projects across the North Island, and as far as Scott Base, Antarctica.
Let’s discuss what Tiaki Engineering Consulting can do for your civil, geotechnical or structural engineering project.
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Email TECL directly and we’ll forward your enquiry to the most appropriate person.