Floodplain Risk Management Advisory Committee - 15 May 2025 9:00 AM

Key decisions

• South Golden Beach flood works noted and further investigation requested
  The committee noted progress on South Golden Beach levee works and rear easement works, requested staff to investigate a levee bypass at Mia Court and surrounding areas, and received updates on engagement planning and easement encroachments.
  Important for South Golden Beach residents affected by flood protection works, easement access, and local flood risk management.
• Post-2022 flood mitigation program update endorsed for Council
  The committee recommended that Council note and endorse the update on the 2022 Byron Shire Council Flood Mitigation Program, note progress on the Belongil and Tallow Creek Floodplain Management Study, and note submitted grant applications for Brunswick River and Bangalow flood risk management plans.
  Affects communities across Byron Shire through future flood studies, mitigation planning, and grant-funded works.
• Flood project information to remain publicly available
  The committee acknowledged that 64 priority flood projects and supporting information have been added to the Byron Shire Council website for community awareness.
  Residents can track current flood mitigation priorities and project progress online.
• TUFLOW software purchase recommended
  The committee recommended that Council acquire TUFLOW software for ongoing flood risk management study hydraulic model development, maintenance, development assessment, and optioneering.
  Could improve Council's technical capacity for flood modelling, planning, and assessment of future mitigation options.

Important topics

• Automatic warning signs on Main Arm Road
  A motion to replace and lower the automatic warning sign west of Sherrys Bridge, change wording to 'Road ahead flooded when lights flash', and remove redundant signs was voted down.
  Residents using Main Arm Road should note that the proposed sign changes did not proceed through this committee motion.
• Evacuation assessment for Mullumbimby
  The committee noted that the Mullumbimby evacuation assessment is being led by the NSW Reconstruction Authority and is in progress.
  Relevant to evacuation planning and flood emergency preparedness for Mullumbimby residents.
• Future discussion items raised
  The committee noted a request for a future discussion item and recorded that discussion had taken place, but the final carried/lost result was unclear in the extracted text.
  Signals that further flood management issues may return to the committee, though no clear action was confirmed from the extract.

Resident impacts

• South Golden Beach residents may see further investigation into levee bypass risks near Mia Court.
• Floodplain planning updates continue for Belongil, Tallow Creek, Brunswick River, Bangalow, and Mullumbimby.
• Residents can access Council's published list of 64 priority flood projects for community awareness.
• No committee-backed change was approved to the automatic flood warning signs on Main Arm Road in this meeting extract.

Places affected

• South Golden Beach (locality)
  Levee works, rear easement works, engagement planning, and investigation of levee bypass issues.
• Mia Court (road/local area)
  Area identified for investigation of South Golden Beach levee bypass issues.
• Main Arm Road (road)
  Location of proposed automatic warning sign changes west of Sherrys Bridge.
• Sherrys Bridge (bridge area)
  Reference point for automatic warning signs over water on Main Arm Road.
• Belongil (locality/catchment)
  Part of the Belongil and Tallow Creek Floodplain Management Study.
• Tallow Creek (waterway/catchment)
  Part of the floodplain management study update.
• Brunswick River (river/catchment)
  Subject of submitted flood risk management plan grant application.
• Mullumbimby (town)
  Location of the evacuation assessment project and meeting venue.

Next steps

• Staff to investigate the South Golden Beach levee bypass at Mia Court and surrounding areas.
  Following the meeting
• Council to consider the committee's recommendations on the 2022 flood mitigation program update and related flood studies.
  At a future Council meeting
• Community members can review the published 64 priority flood projects on the Byron Shire Council website.
  Ongoing
• Mullumbimby evacuation assessment to continue under the NSW Reconstruction Authority.
  In progress

Extracted minutes text

Minutes of Meeting Floodplain Management Advisory Committee Meeting Venue Conference Room, Station Street, Mullumbimby Date Thursday, 15 May 2025 Time 9:00 AM BYRON SHIRE COUNCIL FLOODPLAIN MANAGEMENT ADVISORY COMMITTEE MEETING MINUTES 15 MAY 2025 F L O O D F l o o d p l a i n M a n a g e m e n t A d v i s o r y C o m m i t t e e M e e t i n g p a g e 3 Minutes of the Floodplain Management Advisory Committee Meeting held on Thursday, 15 May 2025 File No: I2025/680 PRESENT: Councillors: Cr M Lyon Zoom Cr E Hauge Present Cr Kay Present Cr D Warth Present Staff: Phil Holloway (Director Infrastructure Services) Apology Samuel Frumpui (Manager Works) Present Euan Rose (Infrastructure Planning Co...