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Flood Restoration - Roads & Bridges Update (Sept 2023)
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Please note, several road and bridge projects progressing concurrently, below are updates for some projects progressing this month. Please check the 'Projects By Name' and select the road name for latest updates. Additionally, if there is a road you would like specific flood restoration updates on, please register your contact details via our notification list form.
COMPLETED WORKS
Bungabbee Road
Recently the Bungabbee Road bridge approaches works were completed to repair damages from the 2022 natural disaster. The works involved re-construction of the damaged approaches and re-instatement of guard rails, drainage, and scour protection around abutments.
Dudgeon Road BridgeWorks were scheduled and completed last month to repair the flood damaged Bungabbee Road bridge approaches. The works involved re-construction of the damaged approaches and re-instatement of guard rails, drainage, and scour protection around abutments.
Major Flood Recovery Works Map
Our interactive map recently underwent upgrades to improve user experience and include other flood recovery departments. Water and wastewater along with Flood Restoration Building projects have now been implemented into the map and in the coming month the flood restoration buildings will all be included. The map assists the community with finding efficient, up-to-date information about restoration works.
CURRENT WORKS
Nimbin Road
Works are continuing for the Nimbin Road landslips. Site Km1, located 1 Km from Nimbin has all the concrete works and piling complete with the installation of block wall in progress. This site is on schedule for the road to be fully open before Christmas. Site Km4, located 4 Km’s from Nimbin is currently undergoing construction of gabion walls, these are used for scour protection, which prevents soil from being washed away and helps strengthen the road. The site also has piling in progress with approximately 30% completed.
Keerrong Road
Works have commenced on Keerrong Road for excavation of slipped material and reconstruction of the road embankment. The works are scheduled for approximately 3 weeks, subject to weather, contractor, and material availability. A full road closure will be required around the works zone throughout the works period. A detour is available via Pinchin Road, motorists will be notified ahead of the closure via roadside signage, updated through www.livetraffic.com. Residents will have access to their properties via Pinchin Road and The Channon Road but will be unable to drive through the landslip work zone. Please adhere to all road closed signs and directions from any traffic controllers.
Geotechnical Investigations
The Lismore City Council (LCC), Flood Recovery – Roads and Bridges team recently secured interim funding for additional geotechnical investigations and survey to commence on several flood affected roads. Initial investigations took place in 2022 to inform the designers about the geological conditions and failure mechanism. This information was used to apply for funding to repair. Additional investigations are now required to inform the final design.
Geotechnical drilling is a type of drilling that is performed as part of the construction process to assist with better understanding a site. Investigations involve collecting rock and soil samples to obtain data regarding surface and subsurface examination. These samples provide valuable insights into the physical properties of the site, enabling engineers to design and construct remediation works to deliver roads that are safer and more durable.
Roads approved for investigations include Bice Road, Bishops Creek Road, Black Road, Blue Knob Road, Boyle Road, Cawongla Road, Cosy Camp Road, Cross Road, Gungas Road, Johnston Road, Koonorigan Road, Lillian Rock, Martin Road, Mountain Top Road, Oakey Creek Road, Orion Street, Rock Valley Road, Skyline Road, Stanger Road, Stony Chute Road, Terania Creek Road, The Channon Road, Tuntable Creek Road, Upper Tuntable Falls Road, Wallace Road, Whian Whian Road, Yeager Road and Zouch Road.
Cawongla Road
Significant changes to the traffic control measures at the Cawongla Road Landslide site, near Martin Road, were recently implemented. It was identified that the site was deemed unsafe due to technical issues with the traffic lights, including repeated battery charge depletion, and concerns about safety. Therefore, the traffic lights previously regulating traffic flow have been replaced with a “Give Way” sign and a “Stop” sign. This decision was prompted by multiple incidents of road users running the red lights, posing a serious safety hazard. The new signage system aims to simplify traffic management while mitigating potential hazards. All signage has been installed as per the amended traffic guidance scheme, and a comprehensive risk assessment was conducted before implementing these changes to ensure the safety of all individuals travelling through the site.
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Flood Recovery Heavy Patching Program
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Restoration of road surface, possible change in road level.
Segments of the following have been identified for heavy patching works to repair flood damage to road surface.
Precinct 1
Graham Road
Gundarimba Road
River Bank Road
Rous Road
Skyline Road
Tregeagle Road
Tuckurimba Road
Tucki Road
Wybelena Road
Precinct 2
Bagotville Road
Broadwater Road
Kilgin Road
Mathieson Lane
Precinct 3
Tatham Road
Precinct 4
Nimoola Road
Pelican Creek Road
Precinct 6
Back Creek Road
Precinct 7
Axford Road
Martin Road
McGuinness Road
Rock Valley Road
Precinct 8
Boggumbil Road
Davis Road
Jacobson Road
Jiggi Road
Potessu Road
Rosehill Road
Precinct 9
Anderson Road
Basil Road
Cecil Street
Crofton Road
Gungas Road
Lillian Rock Road
Moffitt Road
Sibley Street
Symonds Road
Thorburn Street
Precinct 10
Booerie Creek Road
Boyle Road
Keerrong Road
Precinct 11
Koonorigan Road
Pinchin Road
Terania Creek Road
The Channon Road
Tuntable Creek Road
Precinct 12
Dorroughby Road
Duncan Road
James Street (Dunoon)
Middleton Way
Nightcap Range Road
Rocky Creek Dam Road
Precinct 13
Corndale Road
Hunters Hill Road
Grace Road
James Gibson Road
Precinct 14
Boatharbour Road
Eltham Road
Humpty Back Road
Regional Roads
Blue Knob Road
Coraki Road
Dunoon Road
Nimbin Road
Wyrallah Road
Bridge Street (Wyrallah)
Kyogle Road
These works are subject to change to due weather conditions, availability of contractors and funding. Updates will be posted on this article.Shall you wish to be kept up to date directly, you can register your details via the Your Say ‘Submissions’ tab HERE. Alternately, please contact Lismore City Council via email council@lismore.nsw.gov.au or call (02) 6625 0500 to register your details. Please reference ‘Flood Recovery Heavy Patching Program’.
How will the works affect traffic?
Roads will be open to residential access only during the time of works. Traffic controls will be in place, which will cause minor delays and disruptions. Please note roadside signage, updates on myroadinfo and updates in the online Your Say article for communication about temporary disruptions to your property access during this period.
What do the works involve?
These roads need to be fixed to improve the structural integrity and driving conditions for road users. Works include cleaning drains and culverts, cutting off high road shoulders, digging out and replacing soft spots with rock. The gravel overlay is placed where required, before stabilising with the addition of slag lime. This is then compacted, trimmed, and sealed. Followed by line marking edge line.
The road surface may receive a final wearing seal several months after the initial bitumen seal has cured.
This pavement overlay may potentially change road levels between 0mm to +150mm and resurfacing of the existing road width due to additional layers of new road base material.
All driveways that intersect the road will match any changes to the road profile. If there are any changes, you will be contacted should your driveway/access need modification. We will also do maintenance to roadside drainage as needed.
What happens now?
If you wish to make comment on the works, we ask that you do this by 4pm Monday, 15th August 2022 referring to ‘Flood Recovery Heavy Patching Program’. Feedback can be received via any of the following:
- Via the ‘Submissions’ tab of this article HERE.
- Email to council@lismore.nsw.gov.au
- Call to Council (02) 6625 0500
- In writing to Lismore City Council, PO Box 23A, Lismore 2480