Minutes of Meeting










Byron Shire Floodplain Risk Management Committee Meeting





Conference Room, Station Street, Mullumbimby


Thursday, 14 June 2018












Byron Shire Floodplain Risk Management Committee Meeting Minutes 14 June 2018




Minutes of the Byron Shire Floodplain Risk Management Committee Meeting held on Thursday, 14 June 2018

File No: I2018/1094


PRESENT:   Cr Richardson, Cr J Hackett, Cr A Hunter and Cr M Lyon



            Tony Nash (Manager Works)

            James Flockton (Flood and Drainage Engineer)

            Dominika Tomanek (Minute Taker)


Invited Members:   Andrew Page (Cape Byron Marine Park), Peter Mair (SES), and Martin Rose (Environment and Heritage),


Community:           Robyn Bolden, Rebecca Brewin, Susan Skyvington, Steve Keefe, Duncan Dey and Matthew Lambourne


Visitors:                  Mark Sommers (State Emergency Service NSW), Ella Harrison (WMA Water), Katrina Smith (WMA Water)



Cr Hunter (Chair) opened the meeting at 9:06 am and acknowledged that the meeting was being held on Bundjalung Country.




Phillip Holloway (Director Infrastructure Services)

Toong Chin (Environment and Heritage)


Declarations of Interest – Pecuniary and Non-Pecuniary


There were no declarations of interest.


Adoption of Minutes from Previous Meetings


Committee Recommendation:

1.      That the minutes of the Byron Shire Floodplain Risk Management Committee Meeting held on 14 March 2018 be confirmed.


2.      The minutes of the meeting held on 14 March 2018 were noted, and the Committee Recommendations adopted by Council, at the Ordinary Meeting held on 19 April 2018.



The recommendation was put to the vote and declared carried.



Business Arising from Previous Minutes


There was no business arising from previous minutes.









Staff Reports - Infrastructure Services

Report No. 4.1             North Byron Floodplain Risk Management Study and Plan - Committee Meeting Two

File No:                        I2018/896


Committee Recommendation:

1.       That Council approve changes to the North Byron flood model as follows:


a)  Bend losses set to 0 for the Brunswick River upstream of Federation Bridge in Mullumbimby except 5 sectors, where bend losses are set between 0.5 and 1 (as detailed in the attachment 1 E2018/40963).

b)  Initial Loss set to 40mm for forested area for the design events. (As detailed in the attachment 2 E2018/40965).

c)  Implement the other changes recommended by Council's consultant WMA Water in their memo titled Hydrologic and Hydraulic Model Review, dated 28 March 2018 and updated on 15 May 2018, in attachment 3 (E2018/41015) of this agenda.



2.    That Council investigate the following initial flood mitigations options to establish their feasibility as part of the phase one flood mitigation assessment process:

a)  Dredging of key areas of the creek system.

b)  Changes to key parts of the rocks wall at Brunswick Heads (2 options).

c)  One Flood Outlet through the dunes north of South Golden Beach.

d)  One Flood Outlet between New Brighton and South Golden Beach.

e)  A combination of the two Flood Outlets.

f)   Channel enhancement around Mullumbimby.

g)  A Flood Levee for Billinudgel.



The recommendation was put to the vote and declared carried.





There being no further business the meeting concluded at 11:06 am.