Case Study Sample

  • The Requirement

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  • At a glance

    • 78

      78% Increase in usage

    • 87

      87% More Cost Effective


  • Client: CG Fry Ltd

    Contractor: Tithegrove Building and Civil Engineering

    Design Engineer: Peter Brett Associates

    Permavoid distributor: Aggregate Industries

    Date: 2007

    Key design aspects: The SUDS design is based on the following parameters:

  • Roofs and garages: Total 3347 m²

    Main Car Park: 1622 m²

    Driveways: Total 2220 m²

    Soil Infiltration rate: 3.00 x 10-6m/s (0.0108m/hr)

    Storm Return period:
    (1) External areas 10 years stored below ground*, with 100 year event contained within overland features;
    (2) Roofs and garages 100 years below ground.

Our Results

  • Before Infragreen’s Involvement

    40
  • And After Our Improvements

    97
  • Before Infragreen’s Involvement

    35
  • After Our Improvements

    87
  • Before Infragreen’s Involvement

    31
  • After Our Improvements

    72