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Construction Mandatory Standard

Storage of Hazardous Liquids

This mandatory standard must be applied at all construction locations.

  • Oil and liquid storage must be bunded to capture accidental spillages. The capacity of the bunds must not be less than which ever is the greater of:
  • 110% of the capacity of the largest container or 25% of the aggregate capacity of the containers
  • Where drip trays and bunds are used externally they must be protected from filling with rain, as this will reduce their capacity in the event of a spill
  • Spill Kits must be available within the immediate vicinity and must be suitably sized for the quantity of liquid stored.
  • A designated fire point located in the vicinity with suitable extinguishers
  • Locate storage areas:
  • Away from traffic routes and plant where they may be easily damaged. (See photo)
  • A minimum of 10m from a watercourse, or 50m for a spring or borehole (or alternative measures in place).
  • Away from hard surfaces where a spill could run toward a watercourse.

Pat Boyle

Managing Director