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Palmerston North Hospital Seismic Assessment

Selecting the best spot for a new hospital in case of a major earthquake

  • $31K

    Service Fee

  • 7.5

    Magnitude Earthquake

  • 1.00g

    Peak Horizontal Ground Acceleration

  • Palmerston North, New Zealand

    Palmerston North, New Zealand

Evaluating ground conditions for a new hospital campus in Palmerston North

No one wants to build on shaky ground—especially not when you’re building a hospital. That’s why the Mid Central District Health Board asked us to carry out a due diligence study to support their plan to redevelop the Palmerston North Hospital campus in a way that meets the facility’s normal and post-disaster service requirements.

Our team carried out a preliminary assessment of natural hazards that might occur, leading us to a more systematic evaluation of the site’s seismic response with the aim to confirm the soil class. Before our involvement, several independent geotechnical investigative reports had been done by other organizations. After assessing them together for clarity, we conducted geophysical surveys to fill the gaps for the ground model and help with our seismic assessment. Using a formula for the maximum-strength earthquake hospital buildings can manage, we modeled earthquake acceleration at the ground surface under different amplitudes of building vibration. Taking information from geophysical surveys, boreholes, and cone penetrometer tests, we created a 3D subsurface geotechnical model and used it to select appropriate locations to carry out one-dimensional site response analyses.

Following our work, the Board compared the options and discovered that their preferred site is suitable for further development.

At a Glance

  • Mid Central District Health Board
  • Cook Costello
Meet Our Team

Ioannis Antonopoulos, Technical Director

Caring for our communities means learning all we can about the land and geology where people live and work.

Eleni Gkeli, Technical Specialist, Rock Engineering/Geotech, Pavements & Structures Leader

I’m proud that my work helps to maintain critical infrastructure of regional and national significance.
Eleni Gkeli Technical Specialist, Rock Engineering/Geotech, Pavements & Structures Leader Read More

Guna Mookaiya , Senior Principal Geotechnical Engineer

Soil behaves very differently to other engineering materials, which is why I enjoy managing and solving the complex issues it brings.
Guna Mookaiya Senior Principal Geotechnical Engineer Read More

Ioannis Antonopoulos

Technical Director

Eleni Gkeli

Technical Specialist, Rock Engineering/Geotech, Pavements & Structures Leader

Guna Mookaiya

Senior Principal Geotechnical Engineer

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