Member Profile: Inoka Withana Gamage MRICS and the Central Interceptor Tunnel #246

The RICS Podcast

The RICS Podcast
Member Profile: Inoka Withana Gamage MRICS and the Central Interceptor Tunnel #246
Jun 28, 2026 Episode 246
The Royal Institution of Chartered Surveyors

New Zealand’s ‘Central Interceptor Tunnel’ project represents a huge step towards upgrading the territory’s infrastructure for decades to come.

Central to its success is this week’s guest on The RICS Podcast, Dr Inoka Withana Gamage MRICS, Principal Contracts and Commercial Manager at Jacobs New Zealand.

In this member profile, Inoka talks us through the delivery of such a major project, the importance of collaboration, and how commercial and contract management plays its role in one of New Zealand’s largest landmark projects.

This episode of The RICS Podcast covers:

  • The engineering and delivery complexities behind New Zealand’s largest wastewater infrastructure project, the Central Interceptor Tunnel
  • The importance of collaborative working and stakeholder engagement in delivering major infrastructure
  • Leadership lessons and the value of practical, adaptable management plans in large-scale projects
  • The role of commercial and contract management in mitigating risk and ensuring project success
  • Professional growth, continuous learning, and advice for early-career professionals in the built environment sector

Dr Inoka Withana Gamage

https://www.linkedin.com/in/inoka-withana-gamage-722a4b2b/?originalSubdomain=nz

Royal Institution of Chartered Surveyors:

https://www.rics.org/uk/

RICS Podcast Page

https://www.rics.org/podcast/

Kieran Halliwell

https://www.linkedin.com/in/kdhalliwell/

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