MCU16/0012 Attach B Engineering report & SMP

the filter bag                                 stiff brush




Plate 20 Reinstall filter bag                  Plate 21 Ensure that the unit is positioned
                                               correctly, with the lifting loops on the inside




Plate 22 Correctly installed filter bag        Plate 23 Installed filter bag and sealed pit




3.4 Unit Inspection
After the Enviropod filter bag is removed, emptied and cleaned, the following should be checked to ensure
that the unit has not been damaged:
     All connections and joints should be checked and broken rivets replaced (See Plate 24);
     The plastic pit seals should be inspected for unit movement or damage (See Plate 30); and
     The cage should be inspected for damage or movement (See Plate 31).

The overflow diversion channels, and the area between the Enviropod cage and pit wall should also be
inspected for the accumulation of debris. Any observed debris should be removed and disposed of off-site.
Accumulated material within the outlet pipe may need to be flushed.

Note: If the units are not cleaned regularly the mobilisation of material collected in the Enviropod unit may
occur, as such cleaning of the units in accordance with this management plan is required. As this plan is based
on observations and data collected during the monitoring period, ongoing adjustment of the cleaning
frequency is generally required to improve the overall efficiency in the removal of collected material and
prevent material overflow.




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