Decision report- Carey's Gully Sludge Dewatering Facility - Greater ...

• The procedures for the transfer of any skip bin containing sludge from
the skip bay to the landfill should the bins be left for more than 48 hours
(to meet the requirements of condition 14 of this permit). Alternative
procedures for the transfer of sludge from the skip bay to the landfill
should the bins be full for more than 24 hours.
• Procedures to ensure the mixing ratio of sludge to other waste is met (1
part sludge to 4 parts other waste) and the mixture covered after each
skip bin is tipped.
• The procedural steps to ensure that the sludge to municipal waste mixture
being fully covered with a suitable compacted cover by the end of each
working day.
• The procedural steps to ensure that a final capping layer of at least
600mm of suitable low permeability material (that meets the satisfaction
of the Manager, Environmental Regulation, Wellington Regional Council
specifically) being applied to each landfill stage.
• Procedures to ensure that sludge contaminants are not tracked or
otherwise taken off the disposal site.
• Procedures to ensure that the public is excluded from contact with sludge
contaminants at all times.
• Include a definition of a ‘full skip bin’.
• The permit holder can seek additional approval from the Manager,
Environmental Regulation, Wellington Regional Council to apply for
alternative disposal to landfill methodologies.
The SDLP shall be operated and developed in general accordance with the:
• Sewage Sludge Dewatering and Disposal Operational Management Plan,
Wellington City Council submitted to Wellington Regional Council with
the application on 26 April 2007;
• Draft Operations and Management Plan submitted to Wellington
Regional Council as additional information on 13 August 2009; and
• Sludge Disposal Plan submitted to Wellington Regional Council as
additional information on 13 August 2009.
Note: The SDLP required by this condition of the permit relates specifically
to the methodology for the disposal of sludge to the Carey's Gully Landfill
and should be included in the OMP for the Sludge Dewatering Facility
(WGN070230 [26014]) as part of that document.
10. Long term reuse: Within six months of the tenth anniversary of the
commencement of this permit, the permit holder shall provide to the
Manager, Environmental Regulation, Wellington Regional Council, a Long
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