Engineering Code Assessment Report

wetlands and drainage lines that
provide for:                              AO11.2
          1. stormwater conveyance        Landscape features, plant species and habitat types used in
              that uses natural           stormwater conveyance channels are complementary to the
              channel design;             local context and natural waterways.
          2. protection of landscape
              features and ecological     AO11.3
              important areas             Bank and bed stability and planting densities result in a stable
              including terrestrial and   channel over the long term and minimal potential for pest plant
              aquatic habitat;            species.
          3. aesthetic and passive
              recreation values;          AO11.4
          4. flood management and         Water Sensitive Design measures are incorporated into the
              conveyance of external      development, as detailed in the document Water Sensitive
              catchment stormwater        Designs small improvements, new ideas, concepts and sketch
              through the                 designs for stormwater filtration systems (Healthy Waterways
              development;                Water by Design).
          5. landscaping that
              incorporates local native   AO11.5
              species; and                Floodplain management is designed in accordance with the
bed and bank stability.                   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                                                              The Development will
Development protects in-stream            Where run-off from or within the site passes through or drains to   Comply
ecology by maintaining pre-               natural channels, WATERWAYS or WETLANDS, development
development low flow discharge            protects in-steam ecology by maintaining pre-development low
regimes and maintaining fish              flow discharge regimes in accordance with the frequent flow
                                          management objectives in PSP6 Engineering Design
passages.                                 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                                                              The Development will
Development is designed and               The location and form of stormwater discharge points do not         Comply
constructed to maintain surface and       alter the pre-development hydrology of receiving surface water
ground water balances that sustain the    or groundwater.
environmental values of water
dependent ecosystems, including           AO13.2
downstream aquatic,                       Developments located on groundwater recharge or discharge
riparian, wetland and terrestrial         areas are designed and managed in accordance with a
ecosystems.                               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.

                                          Editor's Note— PSP6 Engineering Design Standards -
                                          ROADS, DRAINAGE AND EARTHWORKS PROVIDES
                                          GUIDANCE ON PREPARE A GROUNDWATER RECHARGE
                                          AND DISCHARGE PLAN.
Construction & Establishment
PO14                                                                                                          The Development will
Construction methods provide for                                                                              Comply
appropriate controls to avoid entry       AO14.1
and transport of litter, sediment,        An erosion and sediment control plan prepared in accordance
                                          with the International Erosion Control Association Best Practice
and associated prescribed water           Books demonstrates that the capture and release of stormwater
contaminants into receiving waters.


         NMA_ECAR_19323