Climate Stilt Tunnel
Introduction to the system

The ACO Climate Stilt Tunnel is a tall slotted tunnel unit which matches the height of the ACO Climate Tunnel Entrance.

The ACO Climate Stilt Tunnel can be used in conjunction with the ACO Guide Wall, ACO Climate Tunnel and ACO Climate Tunnel Entrance to form a complete guidance and crossing system.image

The floor of the ACO Climate Stilt Tunnel is the same level as that of the ACO Climate Tunnel Entrance, so can be used to form a continuous slotted tunnel when a Load Class of C 250 is required.

For higher loadings, the Stilt Tunnel is used in the verge with ACO Climate Tunnels in the carriageway, either installed at road surface level for a slotted tunnel, in which case the tunnel floor needs to be ramped at the entrances, or installed below road surface level using solid top units, giving a constant floor level.

In these cases a Stepdown unit bridges the gap between the differing heights of the system components.

The ACO Climate Plate, complete with drain holes, is used to form a floor in the same material as the ACO Climate Tunnel, providing a uniform surface for animals to move along.

No metal reinforcement is used, so animals are not disoriented by distortion of magnetic fields, while the non-absorbent surfaces has minimal thermal conductivity, providing an ideal surface for amphibians to move along.

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Features

  • Certified to Load Class C 250 BS EN 1433:2002
  • No metal reinforcement
  • Climate Plate is manufactured from the same material as the tunnel floor
  • Stepdown aligns 720mm Climate Stilt Tunnel with 520mm unslotted Climate Tunnel installed below surface level
  • Slots equalise ambient conditions between tunnel and open air
  • Light and humidity are maximised
  • Can be installed close to road surface
  • Manufactured from polymer concrete

Benefits

  • Suitable for medium duty vehicle traffic
  • Animals are not disoriented by distortion of magnetic fields
  • Provides a firm access surface
  • Different surface options are easily achieved
  • Reduces crossing distances and installation costs
  • Minimal thermal conductivity

Recommended applications

  • Highways
  • Nature Conservation
  • Rail Development
  • Residential Development
  • Areas identified for migration measure

Not recommended applications

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