Development Application part 7 of 10 Stormwater Management Report - MCU13/0092

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                           What to look for



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o       -<                                                                 Performance Indicator (PI)                  Condition rating-                                        Maintenance undertaken-.        Additlon.at work needed
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g,!’J                      BATTER SLOPES AND BASE
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Oir                        Erosion                                         Minor erosion only that does not
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0-0
        c..
                                                                          structural integrity and would not
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        III                                                               worsen if left unattended
        c..

                           Crust of fine sediment                         No surface crusting


                           Depressions or mounds                          No surface depressions or mounds

                                                                          > 100 mm



                           Hydraulic conductivity or                      Filter media is draining freely,

                           permeability                                   whereby water is not ponded on

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                                                                          the surface for more than 12 hours

                                                                          after rainfall and there is no
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c:
                -0                                                        obvious impermeable or clay-like
        c:
0- 0-           0>
(1) 11)         <0                                                        surfilce on the filter media""
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                           Underdrains/clean out points                   Clean out points not damaged and
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                                                                          end caps securely in place
III     III
c:      c:

                           Litter                                         Maximum 1 piece litter

                                                                          per 4m’

                           Unusual odours, colours, or                    None detetcted

                           substances (e.g.oil and grease)


                           Vegetation                                     Minimum 95% vegetation cover

                                                                          (minimal bare batches)

                                                                          Plants healthy and free from
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                                                                          disease
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00                                                                        Average plant height> 500 mm                                                                                                                                    ""~
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                               PI met; 2- PI met after maintenance activity undertaken;3 Additional maintenance needed; 4       Rectification may be nee.ded; NI       not inspected; NA
                                                                                      -


                                                                                                                                                                                               not applicable
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                       Qu ntify where possible e g. amount of sediment or litter removed                                                                                                                                                  0\   :t:;
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