Tunnel House Refuge

Tunnel Houses are retrofitted structures designed to create refugia within hard infrastructure, such as culverts. They disrupt laminar flow, reduce water velocity, and provide shaded areas, facilitating fish passage and improving habitat conditions.

Tunnel House Data Sheet

Tunnel Houses are:

  • Retrofit Refugia:
    Easily installed within existing structures to provide shelter for aquatic life.

  • Flow Disruption:
    Breaks up laminar flow, creating varied flow conditions conducive to fish movement.

  • Velocity Reduction:
    Slows down water flow, making it easier for fish to navigate through culverts.

  • Easy Installation:
    Designed for straightforward installation; ATS Environmental can provide installation services if required.

ATS Environmental provides full support for Tunnel House installation, including site assessments and training. Each unit is tailored to suit site conditions and is quick to retrofit with minimal disruption.

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