FINAL Response to Information Request_ 03.05.2016

Response


Please refer to the attached response dated 21 April 2016 prepared by Morgan Consulting Engineers which
includes swept paths which demonstrate adequate accessibility for emergency vehicles and similar rigid vehicles.



Issue – Stormwater

Stormwater runoff rates from the site should be maintained to predevelopment levels.

Information Required

     9. Demonstrate:
           a. That all stormwater runoffs from the site for all storm events up and including 1% AEP are
              maintained to the predevelopment runoff rates.
           b. That the development will not adversely impact on the existing drainage conditions on
              other properties (including road reserves and public roads) or on the environment (eg causing
              erosion and sediment movement).

Response


Refer to attached letter dated 21 April 2016 prepared by Morgan Consulting Engineers, which demonstrates that
the downstream drainage system has been designed to cater for the fully developed site.



5.0 WATER QUALITY


Issue – Lawful Discharge

The applicant proposed for stormwater to drain to properties owned by other parties.

Information Required

     10. Demonstrate proposed water discharges will occur lawfully and the nature and extent of
         easements required.

Response


Refer to attached letter dated 21 April 2016 prepared by Morgan Consulting Engineers, which demonstrates that
proposed water discharges will occur lawfully.



Issue – Velocities and Residence Times

The State Planning Policy requires all new developments mitigate 1 years ARI flows to predevelopment
velocities for waterway management. It is acknowledged flows from the development will be contained
within pipework, however, the 1 year ARI velocity needs to be maintained for waterways stability at the



JFP Ref: M2652                                                                                              Page 6