NGAI TAHU PROPERTY

NGAI TAHU PROPERTY CASE STUDY

Project Overview

Client: Ngai Tahu Property

Location: Christchurch, New Zealand

Challenge: Develop a sewerage system for a residential development in an earthquake-prone region, ensuring resilience and reliability.

Key Outcomes:

  • System operational since 2015.
  • No sewage leaks during seismic activity.
  • Seamless expansion with residential development.

Introduction

Ngai Tahu Property faced the challenge of developing a sewerage system for a residential area in Christchurch, New Zealand, an earthquake-prone region. The goal was to ensure resilience and reliability, particularly in the face of frequent seismic activity. The solution was a resilient vacuum sewerage system designed to prevent sewage leaks during earthquakes, with a flexible design to accommodate future expansions.

Since its implementation in 2015, the system has operated flawlessly, with no sewage leaks during seismic events and seamless integration into expanding residential developments. The system’s success ensures reliable service for residents and prevents environmental contamination during natural disasters.

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Problem / Challenge

Christchurch’s unique risks include:

  • Active seismic fault lines causing frequent earthquakes.
  • Risk of sewage leaks into residential and environmentally sensitive areas.

Ngai Tahu Property required a system to:

  • Withstand natural disasters.
  • Adapt to changing zoning and density requirements.

Solution

Resilient Vacuum Sewerage System:

  1. Negative pressure operation to prevent sewage leaks during earthquakes.
  2. Single power location at vacuum pump station ensures reliability.
  3. Flexible design accommodates future expansion.

Implementation

Key Features:

  • Public infrastructure eliminates need for property access.
  • Tailored solutions for commercial and residential areas.

Community Impact:

  • Residents experience uninterrupted service.
  • No environmental contamination during seismic events.

Results

  1. Resilience: Surpassed expectations for earthquake-prone areas.
    • Prevented sewage leaks during seismic events.
  1. Flexibility: Seamless integration with residential and commercial expansions.
  2. Reliability: Long-term operational success with minimal disruptions.
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Client Testimonial

Flovac’s system has set a new standard for residential developments in the Christchurch region. It has delivered on its promise of reliability and resilience.

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