Case Study:  Commercial Building, Whakatane

The Job.

When a structural assessment of their two-storey commercial building proved prohibitive due to high cost and scope of works, the owners asked Prendos to review it. Their aim was to explore the possibility of seismically strengthening the building, made up of professional offices and a bank.

Our Solution.

A Prendos chartered structural engineer reviewed the property information, visually inspected the structure and recorded all building measurements. Our assessment showed proof that the lower level columns were adequate and suggested focusing on strengthening the upper storey.

We then provided design options for the office and retail part of the building. Our quantity surveyor met with the client and our engineer to provide realistic cost estimates for the strengthening options.

The Outcome.

Our proposed design effectively connected all the upper floor elements and stiffened the structure. This meant strengthening could be carried out from the upper level, with minimal disruption to the ground floor tenant, at a fraction of the cost of the initial concept proposed.

We were then engaged to complete detailed structural design for building consent submission as well as oversee the construction process. Throughout the structural alterations we liaised with the Council in regards to consent, managed and administered the contract for the works and ensured the project secured a code compliance certificate.

The improved programme resulted in a strengthened building that met building code requirements, while limiting disruption to tenants and delivering significant cost savings of almost 50% to the client.


Commercial client


202 The Strand, Whakatane

Services Provided:

Structural & Seismic Assessment and Solution


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0800 773 636)

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