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Flood Restoration - Roads & Bridges Update (Sept 2023)
Share on Facebook Share on Twitter Share on Linkedin Email this linkROADS & BRIDGES FLOOD RESTORATION PROJECT UPDATE
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 (Aug 2023)
Share on Facebook Share on Twitter Share on Linkedin Email this linkROADS & BRIDGES FLOOD RESTORATION PROJECT UPDATE
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
Terania Creek Road
Council recently completed maintenance work on Terania Creek Road to improve safety for road users. Guideposts were added, debris cleared, and large boulders removed which were partially blocking the road. The Flood Recovery – Roads and Bridges team would like to thank the community for their positive feedback and resilience during the flood restoration process.
Whian Whian Road - Simes BridgesDuring the February 2022 natural disaster, the northern abutment of Simes Bridge on Whian Whian Road was impacted. Temporary works were carried out to restore access and the site is currently limited to one-lane traffic access under a give-way arrangement. The bridge is currently under restrictions and monitoring due to the flood damage. However, it was opened on August 10, to two lanes at reduced speeds to improve travel for residents. The bridge will continue to be sign posted limiting motorists to 40km/hr and speed bumps have been installed on the road entering the bridge.
Major Flood Recovery Works Map
Our interactive map recently underwent upgrades to improve user experience and include other flood recovery departments. Water and wastewater 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
The piling works were completed on August 23rd for Site 1km, approximately 1 Km from Nimbin. The drilling rig has now been relocated to Site 4km, approximately 4 Kms from Nimbin. The concreting of the pile cap, the base of the block retaining wall, has also commenced. Earthworks are now complete, and the piling is due to commence at the 4km site in early September.
FUTURE WORKS
Keerrong Road
Following the February 2022 natural disaster, Keerrong Road suffered extensive damage due to landslips and erosion. Funding has now been secured to complete restoration works. Works are located at Keerrong Road and will begin from 14 September 2023 for approximately 3 weeks, subject to weather, contractor and material availability. The works will include excavation of slipped material and reconstruction of the road embankment. 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, and on Your Say (details below). 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.
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Flood Restoration - Roads & Bridges Update (June 2023)
Share on Facebook Share on Twitter Share on Linkedin Email this linkROADS & BRIDGES FLOOD RESTORATION PROJECT UPDATE
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.
CURRENT WORKS
Nimbin Road
Council has commenced roadworks 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. During the past month, both sites have undergone site establishment, installation of steel barriers and traffic lights, establishment of safety and environmental control, tree cutting along the entire embankment slope, removal of road materials including asphalt, and preliminary excavation ready for drilling operations.
The activities scheduled during the next month for both sites include completion of preliminary excavation, completion of working platform for drilling operation, excavation of working benches (a series of horizontal steps with near-vertical surfaces between them), completion of piling operation and construction of rock embankment at site 2. 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.
Town Road
Funding was awarded by the NSW Government through its Fixing Country Bridges program to replace the damaged structure at Town Road, Terania Creek with a new steel superstructure bridge. Piling works are well underway installing the four 1.2m diameter x 13.5m deep bored concrete piles. The first pile has been drilled to depth and its concrete placed with the second and third pile to be completed at the beginning of July. The upcoming weather system will likely delay the installation of the fourth and final pile. Following completion of the piling activities, works will commence on forming up the abutments. The steel bridge structure has also recently been dispatched from France and is currently on route and is expected in the Port of Brisbane in approximately 45 days.
Whian Whian Road – Simes Bridge (Vandalism)
We want to thank the local residents who use Whian Whian Road for their patience with what is a difficult process to repair Simes Bridge. Unfortunately, late Friday night (23rd June), the traffic barriers used to reduce the bridge to one lane were thrown over the edge and into the creek below. Simes Bridge suffered damage last year from massive weather events and shortly afterwards was inspected and assessed by independent engineers. The bridge is able to remain open to a single lane of traffic only. Single-lane access reduces the load impacting the bridge and avoids a closure to Whian Whian Road at this point. Traffic barriers are required to manage single-lane access. Criminal activity can be reported to the Police. Council has a call centre for reporting damages to community property; please phone 0266 250 500 or email council@lismore.nsw.gov.au
Tuntable Creek Road
We would like to thank the Tuntable Creek community for the wonderful feedback we have received about our new SMS Broadcast system.
In the event of rainfall exceeding our trigger level or other significant changes, the temporary track will be closed again at short notice. We apologise for the disruption this causes and delays in travelling alternative routes. To reduce the inconvenience, the Flood Recovery – Roads and Bridges team were granted access to an SMS Broadcast service to generate a contact list for Tuntable Creek Road emergency road shutdowns. Residents can join this broadcast list, through emailing floodrecoveryroadsbridges@lismore.nsw.gov.au your name, mobile number, and permission to contact via SMS.
FUTURE WORKS
Dudgeon Road & Bungabbee Road – Bridge Approaches
Works are due to commence in the next two weeks on the reinstatement of Dudgeon Bridge approaches on Dudgeon Road. These works will involve removal and reinstatement of the flood damaged bridge approaches which will include an asphalt wearing surface. Following completion of Dudgeon Bridge, works will then commence on Bungabbee Bridge approaches. Both projects will take approximately two weeks each to complete.
Branch Creek Crossing, Terania Creek Road
Following the 2022 natural disaster Terania Creek Road suffered extensive damage. Due to the nature and high number of damages incurred, works are being finalised on how best to provide timely improvements for the community and road users. The current structure at Branch Creek has received funding from the Disaster Recovery Funding Arrangements (DRFA) for replacement of the flood damaged asset. Works will include replacing the current box culvert structure with a 16m bridge and extending erosion protection to the edge of the road. The funding application for other damages on Terania Creek Road are currently being assessed. Survey and design work commenced in June 2023 for the replacement structure and works will commence in 2024.
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Whian Whian Road - Simes Bridge Update (Mar 2023)
Share on Facebook Share on Twitter Share on Linkedin Email this linkDuring the February 2022 natural disaster, the northern abutment of Simes Bridge on Whian Whian Road was impacted. Temporary works were carried out to restore access and the site is currently limited to one-lane traffic access under a give-way arrangement.
The one-lane access will remain to ensure road user safety until potential scope for works for permanent repairs is finalised. Roadside signage is currently in place to notify road users of any changes in traffic conditions. No impact to the Whian Whian Falls access is expected during the works.
The road is currently undergoing monitoring and geotechnical investigations which is required for potential permanent remediation. The works involved detailed site survey and bridge substruction assessment with minimal impact to traffic expected during these survey works. Additionally, these works require geotechnical investigations involving standard penetration test (SPT) analysis at the northern bridge abutment.
Disaster Recovery Funding Arrangements have been secured to complete these works. This funding is allocated to address damage sustained during the February 2022 flooding event only. Additional works required and subsequent funding are being reviewed. Road users are advised to follow signage and expect minor 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 ‘Simes Bridge, Whian Whian Road – March Update.’
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Flood Restoration - Roads & Bridges Update (5th Dec 2022)
Share on Facebook Share on Twitter Share on Linkedin Email this linkROAD PROJECT UPDATE
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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Whian Whian Road - Simes Bridge Update (Nov 2022)
Share on Facebook Share on Twitter Share on Linkedin Email this linkSimes Bridge on Whian Whian Road will be limited to one-lane access from late November 2022. Roadside signage of the change will be in place to notify road users of the change in traffic conditions.
The northern abutment of the bridge was impacted during the February 2022 natural disaster. Temporary works were carried out to restore access, however further monitoring is now required for potential permanent remediation.
Council will be completing survey and geotechnical investigations as part of this monitoring in early 2023. The one-lane access will remain in place to ensure safety for road users until potential scope of works for permanent repairs is finalised. No impact to the Whian Whian Falls access is expected during the works.
Disaster Recovery Funding Arrangements have been secured to complete this monitoring. This funding is allocated to address damage sustained during the February 2022 natural disaster only. Additional works required and subsequent funding are being reviewed.
What do the works involve?
- Closure of one-lane of traffic on Simes Bridge, Whian Whian Road, under a give-way arrangement.
- Detailed site survey and survey of the bridge substructure. Minimal impact to traffic is expected during the survey works. The survey will be undertaken during the one-lane closure period.
- Geotechnical investigations involving standard penetration test (SPT) testing at the northern bridge abutment. Minimal impact to traffic is expected during the investigations. The testing will occur within the closed lane.
Road users are advised to follow signage and expect minor 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 ‘Simes Bridge, Whian Whian Road – Flood Restoration Works.’