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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 Restoration - Roads & Bridges Update (July 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
Pavement Investigations
During July, Council completed pavement investigations involving drilling operations on the following roads:
- Rock Valley / Cawongla Road
- Crofton Road
Cawongla Road
During July, flood remediation drainage works were completed on Cawongla Road.
CURRENT WORKS
Nimbin Road
Roadworks have commenced on two landslip sites on Nimbin Road that have been identified as significantly impacted by the February 2022 natural disaster. Funding was secured through the Disaster Recovery Funding Arrangement (DRFA). This funding is allocated to repair damage sustained during the February 2022 natural disaster only.
Works have already commenced at both sites, with Site 1 is approximately 1 km from Nimbin and Site 2 is approximately 4 kms from Nimbin. The works are currently on program at Site 1 with bulk earthworks now completed and 80 piles out of 240 are now installed. In the following weeks, concrete works are due to commence. At Site 2, there is an approximately 2 weeks delay due to the requirement to construct additional erosion protection to stop the soil washing away in heavy rain. The gabion erosion protection will be completed this week and pile installation will commence in 2 weeks’ time.
The works are expected to occur over 9 months from mid-May 2023 subject to weather, contractor, and material availability. This will involve piling and retaining wall construction works to allow repair of the landslips, reconstruction of pavement, reinstatement of road and guardrail barriers along with installing signs, guideposts, and line marking. Traffic control lights remain in place and existing single lane traffic control will remain in place during the works period. Council would like to thank the residents of the region for their patience during this time.
Pavement Investigations
Council staff are continuing to perform pavement investigations involving drilling operations on the following roads:
- Blue Knob Road
- Jiggi Road
- Gwynne Road
- Nimbin Road
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Flood Restoration - Roads & Bridges Update (Feb 2023)
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Please note, there are several road and bridge projects progressing concurrently. Below are updates of 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 to secure specific updates on, please email floodrestoration@lismore.nsw.gov.au with subject ‘Add Road Name - Notification list’ to register your contact details to receive updates.
COMPLETED WORKS
Tuntable Creek Road
Tuntable Creek Road experienced significant damage during the February 2022 natural disaster with 11 notable landslips recorded and a major landslip closing the road north of intersection with Rose Road. A temporary solution was designed to open the road and establish connectivity between Nimbin and The Channon while the permanent solution is designed. The temporary construction consists of stabilising the embankment below the road and excavating into the slope above the road to make a single trafficable lane. The stabilisation will use up to 160 8m long soil nails and over 400m2 of sprayed concrete. Additionally, crews are also reconstructing pavement through the slip zone and installing light traffic control. The works are expected to be complete in March with the road opened to local access only and restricted during weather events. For further details please visit the Tuntable Creek Road update:
https://yoursay.lismore.nsw.gov.au/maintaining-our-roads-and-bridges/news_feed/tuntable-creek-road-jan-2023
Cawongla Road
The Cawongla Road pipes’ replacement project was ahead of schedule and the road opened at the end of January before school started. The works consisted of replacing two culverts that suffered significant damage during the 2022 floods.
Gwynne Road
Temporary repair of damaged pavement was recently completed for Gwynne Road. During these works, the crews also performed scour repair and mulching vegetation along with cleaning drains and pipes to improve the roads condition.
Unsealed Roads
Overlay works to repair damages from the October flood event were recently completed for Lagoon Grass Road, Howards Grass Road, Cusack Road, Booerie Creek Road, Hewitt Road, Swan Bay Road, and Sheehan Road.
Johnston Road
Temporary patching works across slip single lane were recently completed for Johnston Road.
CURRENT WORKS
Crofton Road & Rock Valley Road
Drainage works are continuing for Crofton Road and Rock Valley Road these include desilt and reshape table drainage, installing headwalls and pipe extensions as required to ensure water runoff from the road, to prevent future road damages from occurring.Wyrallah Road
Pavement rehabilitation works started at the end of January to reconstruct and rehabilitate approximately 500m of Wyrallah Road. Throughout this construction process drainage works, kerb installation and subsoil installation will also be completed. For further details please visit the Wyrallah Road update link below:
FUTURE WORKS
Town Road
Funding through the Fixing Country Bridges program has been awarded to replace the damaged structure with a new bridge. The bridge superstructure is currently being constructed in France with an innovative steel beam that will be launched into place in one piece. A unique type of structure, this bridge will be the first in the region. A general plan of the works is provided below. The Town Road bridge superstructure will be delivered at the end of May 2023. Civil works are scheduled to begin in April 2023 with a planned completion in late July 2023, subject to fine weather. Further updates will be provided towards the end of March 2023.
Mackie Road
Following the 2020 natural disaster the Mackie Road causeway at Johnston Creek suffered extensive damage. Funding has been awarded to replace the damaged structure with a bridge to reduce impediments to fish passage. The Mackie Road culvert to bridge replacement at Johnston Creek, works will begin on the 13th of March for approximately three months with a planned completion in late June 2023, subject to fine weather. Due to the nature of the works a full 24-hour hard road closure is required during the March – June 2023 works period around the location detailed on the map below. For further details please visit the Mackie Road bridge update link below:
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Flood Restoration - Roads & Bridges Update (Jan 2023)
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Please note, there are several road and bridge projects progressing concurrently. Below are updates of 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 to secure specific updates on, please utilise the Q+A function of this page, or email council@lismore.nsw.gov.au
COMPLETED WORKS
Cawongla Road
Excitingly, the Cawongla Road pipes’ replacement project was ahead of schedule and the road opened at the end of January before school started. We would like to thank all the residents of Larnook and the surrounding region for their patience and cooperation during these repairs. The works consisted of replacing two culverts that suffered significant damage during the 2022 floods. Further details can be found on the latest Cawongla Road update on the following link:
Sheehan Road
Works have been completed on Sheehan Road to address issues caused from the February and March 2022 floods. This has involved overlay and drainage works to repair flood damages.
Mountain Top Road, Standing Street, Nimbin Street & Wallace Road
Overlay works have been completed on Mountain Top Road, Standing Street, Nimbin Street and Wallace Road, to address issues caused from the February and March 2022 floods.
Blue Knob Road
Works are completed for Blue Knob Road, these included removing and replacing the existing material from the road surface, along with grading and rolling the road with a temporary seal over the new surface. A planned return to complete permanent works will be scheduled during 2023.
CURRENT WORKSTuntable Creek Road
The works crew remobilised to the site at the beginning of January, this stage of construction consists of excavating into the slope above the road and installing 49 soil nails and 100m2 shotcrete. Additionally, crews are also reconstructing pavement through the slip zone and installing light traffic control and opening one lane. The works are expected to be complete in February with additional updates to be provided as the works commence on the upper slope. For further details please visit the Tuntable Creek Road update link below:
Wyrallah Road
Pavement rehabilitation works are commencing shortly to reconstruct and rehabilitate approximately 500m of Wyrallah Road. Throughout this construction process drainage works, kerb installation and subsoil installation will also be completed. For further details please visit the Wyrallah Road update link below:
Swan Bay Road
Overlay and drainage works are currently underway to repair damages from the October flood event for Swan Bay Road.
Crofton Road & Rock Valley/Cawongla Road
Drainage works are continuing for Crofton Road and Rock Valley/Cawongla Road these include desilt and reshape table drainage, installing headwalls and pipe extensions as required to ensure water runoff from the road, to prevent future road damages from occurring.
FUTURE WORKSMunro Wharf Road
Overlay and drainage works to repair damages from the October flood event will commence shortly for Munro Wharf Road.
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Flood Restoration - Roads & Bridges Update (5th Dec 2022)
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Please note, there are several road and bridge projects progressing concurrently. Below are updates of some projects progressing this week.
Please check the 'Projects By Name' and select the road name for latest updates. Additionally, if there is a road you would like to secure specific updates on, please utilise the Q+A function of this page, or email council@lismore.nsw.gov.au
Sealed Pavements
Nimbin Road
Pavement works have been completed at Nimbin Road near the intersection of Shipway Road.
Pavement works for Nimbin Road near Shipway Road intersectionRiverbank Road
Works have started at Riverbank Road to complete permanent pavement stabilisation works consisting of overlaying 150mm of DGB20 then mixing a conforming road pavement.
Riverbank Road pavement stabilisation worksJiggi Road
The team are continuing to undertake pavement repairs on various sections of Jiggi Road.
Identified pavement repairs required on Jiggi RoadDrainage Work
Riverbank Road
The following photos outline the completed drainage work for Riverbank Road.
Completed Riverbank Road drainage worksEmergency Temporary Pavement Repair
Rock Valley Road / Cawongla Road
Sections of temporary road pavement which have been identified and planned for return early next year.
Pavement identified are requiring works for Rock Valley Road and Cawongla Road Tatham Road
Sections of road pavement which have been temporarily with a planned return early next year
Tatham Road temporary pavement identified are requiring worksUnsealed Pavements
The team have completed unsealed pavement works at Gordon Road, Parmenter Road, Savins Road, Houlden Road, Nightcap Range Road and Whian Whian Road.
Unsealed pavements completed for Houlden Road, Gordon Road, Savins Road and Parmenter RoadCulverts
Cawongla Road
Multiple culvert works are now complete along Cawongla Road. These include culverts near Larnook School with 1 x 900mm and 1 x 600mm culvert successfully replaced and material being stockpiled for replacement of a twin cell 1350mm culvert (culvert with deep depression within the roadway). These works will continue until Christmas, after which the road closure and replacement works can be undertaken. Additionally, material is being stockpiled for replacement of Twin cell 1800mm culvert at 169 Cawongla Road, these works will continue until Christmas, after which the road closure and replacement works can be undertaken. It is anticipated that the tree lopping within this area will be completed prior to Christmas.
Quilty Road detour route works
Currently works are being undertaken to upgrade Quilty Road to ensure adequate width of the gravel pavement for two lane traffic and to improve road pavement surface.
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Rock Valley/Cawongla Road – Temporary Flood Restoration Works
Share Rock Valley/Cawongla Road – Temporary Flood Restoration Works on Facebook Share Rock Valley/Cawongla Road – Temporary Flood Restoration Works on Twitter Share Rock Valley/Cawongla Road – Temporary Flood Restoration Works on Linkedin Email Rock Valley/Cawongla Road – Temporary Flood Restoration Works linkCouncil will be completing temporary patching works to improve road surface conditions for Rock Valley and Cawongla Road during November and December 2022. These works are a temporary measure, until permanent pavement rehabilitation works are scheduled.
Works will apply to seven sections of Rock Valley and Cawongla Road that have been identified as significantly impacted by the February 2022 natural disaster, based on pre and post disaster assessments. Funding has been secured through Transport for NSW. This funding is allocated to repair damage sustained during the February 2022 natural disaster only. Additional works required and subsequent funding for Rock Valley and Cawongla Road are being reviewed.
The temporary works are expected to start mid November 2022 – end of December 2022 subject to weather, contractor, and material availability. Single lane traffic control will be in place during the works period.
These temporary works will involve removing damaged road sections and replacing with gravel road base, with an emulsion sacrificial seal.
Future pavement repair works, expected to be carried out in mid-2023 will include:
- Road surface: Improve the surface of the road in places.
- Signs and line marking: Line marking and guideposts.
- Vegetation management: Manage roadside vegetation to remove obstacles, improve sight distances, and clearances for signage.
- Drainage maintenance: Re-excavate open drains and remove flood sediment as required. Minor drainage works will be completed prior to pavement works commencing.
- Driveway adjustment: Adjust access to driveways affected by the wider road footprint as required.
Road users are advised to follow signage and expect delays as these works are completed.
Further Information
Should you wish to contact us directly with any questions or comments, or register your contact details to receive updates, please call (02) 6625 0500 or email council@lismore.nsw.gov.au and include the title ‘Rock Valley/Cawongla Road – Temporary Patching Works.’
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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