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16-001014-02A (Ultimate SCMMP)
Attached to the e-mail Operational Works Application OPW16/0203 - 4 of 4.
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What to look for Performance Indicator (PI) Condition Maintenance Additional Work Needed
Rating* undertaken**
OUTLET
Outlet is structurally sound and there Is no
evidence of erosion or subsidence/settlement,
Erosion
including around edges of rock protection or
toe of weir for large systems
Damaged or removed structures e.g. pit No damage that poses a risk to public safety or
lids or grates structural integrity
Sediment, litter or debris No blockage
No downstream impediments to the release of
Outlet Freely draining to receiving water, no erosion or damage to the outfall
drainage or waterway structure and no evidence of malfunction (e.g.
excessive sediment accumulated)
Inspector Signature: Date:
*1 – PI met; 2 – PI met after maintenance activity; 3 – Additional maintenance needed; 4 – Rectification may be needed; NI – not inspected; NA – not applicable
** Quantify where possible e.g. amount of sediment or litter removed
Maintenance details adopted from Water By Design’s Maintaining Vegetated Stormwater Assets – Version 1 (2012). Refer to this document for further details
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