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Part 4 – Stormwater Drainage

4.23    Planted Stormwater Devices

The type and planting requirements of Landscaping Engineered Stormwater Devices are contained in Part 9 of this Manual.  In order to provide for maintenance of these facilities, an all weather access track shall be provided to at least the following specifications:

  • Width 3.0 m.
  • Maximum grade 1:8.
  • Where the access road is longer than 25 metres, provide a 3-point turning area for a 10 tonne rigid truck adjacent to the device (in addition to the excavator working platform).
  • The excavator working platform shall be level and adjacent to the clean out area and shall be no higher than 2.0 m above the base of the clean out area.