Referenced Document - REC13/0015

                                                              BIORETENTION SYSTEMS
             -
                                                                                                                     ~




                                                                      DESIGN PHASE


Objective        To design low maintenance effective stormwater treatment devices to achieve a no-worsening result over the existing pre-development
                 situation in the creeks adjacent the site.



                 Description                                                                                        Responsibility    Timeframe


Actions          Consulting Engineer to design Bioretention Systems in accordance with:                             Design Engineer   During design
                     ~   Bioretention Systems requirements as outlined in the "Water by Design                                        process
                                                                                                 -
                                                                                                     Construction
                         and Establishment Guidelines" Version 1 dated February 2009 prepared by Healthy
                         Waterways
                     ~   Calculations as per BBC Water Sensitive Road Design Guidelines.

                 Consulting Engineer is to ensure that the Bio-Retention Zones are:
                     ~   located in a suitable area,

                     ~   sized according to guidelines,

                     ~   provided with the appropriate construction materials, subsoil drainage and outlet pipe,
                         and

                     ~   incorporated into a stormwater treatment system also including gross pollutant traps,
                         sediment traps, oil traps, detention storages, etc.


Monitoring       Consulting Engineer to ensure that operational works drawings reflect requirements of this         Design Engineer   During design
                 Stormwater Quality Management & Assessment Report.                                                                   process


Reporting        Consulting Engineer to provide Stormwater Quality Management & Assessment Report with              Design Engineer   As required
                 Operational Works application.
                 Design Engineer to provide Operational Works drawings in accordance with requirements.
                 Council is to review the Operational Works Plan and provide relevant documentation relating to
                 application.