planning report Other Change

                                      (Healthy Waterways Water by
                                      Design).

                                      AO11.5
                                      Floodplain management is designed
                                      in accordance with the Framework
                                      for the Integration of Flood and
                                      Stormwater Management into Open
                                      Space published by Healthy
                                      Waterways Water by Design (version
                                      current at the time of development
                                      application)

PO12                                  AO12.1
Development protects in-stream        Where run-off from or within the site
ecology by maintaining pre-           passes through or drains to natural
development low flow discharge        channels, waterways or wetlands,
regimes and maintaining fish          development protects in-steam
passages.                             ecology by maintaining pre-
                                      development low flow discharge
                                      regimes in accordance with the
                                      frequent flow management objectives
                                      in PSP6 Engineering Design
                                      Standards - Roads, drainage and
                                      earthworks




                                      AO12.2
                                       Instream structures such as roads,
                                      bridges, culverts, and other
                                      stormwater infrastructure do not
                                      cause barriers to fish passage and
                                      facilitate the movement of terrestrial
                                      and aquatic fauna along waterway
                                      corridors.




                                      AO12.3
                                       Benthic substrate retains a
                                      continuous grade with the direction of
                                      flow consistent with the natural bed
                                      profile.
PO13                                  AO13.1
Development is designed and           The location and form of stormwater
constructed to maintain surface and   discharge points do not alter the pre-
ground water balances that sustain    development hydrology of receiving
the environmental values of water     surface water or groundwater.
dependent ecosystems, including
downstream aquatic, riparian,
wetland and terrestrial ecosystems.

                                      AO13.2
                                       Developments located on
                                      groundwater recharge or discharge
                                      areas are designed and managed in
                                      accordance with a groundwater
                                      recharge and discharge management
                                      plan prepared by a suitably
                                      experienced and qualified
                                      groundwater hydrologist. The
                                      groundwater recharge or discharge
                                      must demonstrate that the
                                      development does not affect
                                      groundwater balances beyond the
                                      property boundaries.



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