Appendix D- Stormwater Management Plan · MCU23/0078

Performance Outcomes                                                Acceptable Outcomes
constructed to:                                                     accordance with PSP6 Engineering Design Standards ­ Roads,
(a)   incorporate allowance for increased flood risk and tidal      drainage and earthworks and the latest version of the
      inundation through pipework as a result of cilmate change     Queensland Urban Drainage Design Manual.
      and sea level rise;
(b)   ensure the development is adequately drained; and             AO2.2
                                                                    The stormwater drainage system connects to a lawful point of
(c)   ensure stormwater is managed and lawfully discharged          discharge in accordance with PSP6 Engineering Design
      without altering stormwater drainage characteristics
      external to the site.                                         Standards ­ Roads, drainage and earthworks.

                                                                    AO2.3
                                                                    Stormwater flows discharging from the development are
                                                                    demonstrated to be consistent with pre­development
                                                                    characteristics.

                                                                    AO2.4
                                                                    Development provides for the management of stormwater to
                                                                    incorporate appropriate allowance for climate change impacts
                                                                    (including rainfall intensity and sea level rise), in accordance with
                                                                    PSP6 Engineering Design Standards – Roads, Drainage and
                                                                    Earthworks.


PO3                                                                 AO3.1
Stormwater drainage infrastructure conveys run­off in a manner      Stormwater drainage infrastructure meets the desired standards
that allows roads to deliver desired standards of service           of service for roads functionality set out in PSP6 Engineering
appropriate to the local conditions and local stormwater drainage   Design Standards ­ Roads, Drainage and Earthworks.
characteristics.
PO4                                                                 AO4.1
Stormwater infrastructure is compatible with existing               The location, design and construction of stormwater drainage
infrastructure, allows for easy access for the ongoing              structures is in accordance with PSP6 Engineering Design
maintenance by Council, is cost effective across its design life.   Standards ­ Roads, drainage and earthworks.

                                                                    AO4.2
                                                                    Where infrastructure is located on private land an easement is
                                                                    dedicated over the infrastructure in accordance with PSP6
                                                                    Engineering Design Standards ­ Roads, drainage and
                                                                    earthworks.

                                                                    AO4.3
                                                                    Any alterations or repairs to infrastructure as a result of the
                                                                    development are made at no cost to Council.

                                                                    AO4.4
                                                                    Development avoids stormwater inflow and infiltration to the
                                                                    sewer infrastructure network.

                                                                    AO4.5
                                                                    Stormwater infrastructure is designed to minimise maintenance
                                                                    costs and the requirement for specialized equipment for
                                                                    maintenance techniques.


PO5                                                                 AO5.1
Stormwater drainage infrastructure is aligned to avoid crossing     Stormwater drainage infrastructure avoids crossing waterways,
waterways, wetlands, drainage lines and ecological important        wetlands drainage lines and ecologically important areas or
areas, or where it is demonstrated this is unavoidable, disturbed   follows the edge of existing disturbed areas.
areas are reinstated and revegetated upon completion of works.
                                                                    AO5.2


                                               NOOSA PLAN 2020 ­ AMENDED AT 25 SEPTEMBER 2020                                 Page 115 of 150