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Trenching for Public Utilities

The applicant will be responsible to the relevant authority for depths and widths of trenches and the correct placement of all pipes, cables, conduits, etc. The contractor will be responsible for the proper use of roadwork signs in accordance with Australian Standards AS1742. Where trenches are likely to be open for more than 48 hours, Council must be supplied with details and time estimates so that proper set-up, detours, etc. can be arranged.

Using pipes

  • The must cross the footpath at 90 degrees to the property boundary line.
  • Runs along the footpath must be parallel to the boundary line and (unless otherwise nominated) showing the location of the pipe so that it can be readily relocated at any time.
  • Should the pipe become disused by virtue of the provision of a more direct supply, Council is to be notified to that effect.

Using cables

  • Cables crossing the footpath or lane must do so at 90 degrees to the property boundary line or the kerb line until inside private property.
  • Cables laid along the footpath must be parallel to the boundary line or kerb line at a distance from such lines as is nominated on the permit.
  • Electrical cable must be laid in regulation electrical conduit, and covered by suitable concrete or masonry slabs.
  • Surface cable markers are to be installed as follows;
    • at each end of the cable run, while on the road or footpath reserve;
    • at all changes of direction; and
    • at a maximum spacing of 10 metres.
  • The maximum allowable distance from service point to property is 10 metres for private electrical cables, unless specific approval is provided by Council.