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Flood project updates

Roads update

Update - 19 May 2022

BILPIN

  • Halons Road North, Bilpin – Contractors commenced work 16 May, further requirements will be assessed.

BLAXLANDS RIDGE

  • Kentoleen Road, Blaxlands Ridge – Road surface has now been inspected and is deemed to be in good condition.

CORNWALLIS

  • Cupitts Lane, Cornwallis - A call for tenders for the design services has been issued and closes on Friday, 20 May.

CUMBERLAND REACH

  • Laws Farm Road, Cumberland Reach – damages assessment was carried out on 21 April with damages recorded for planning and scheduling.  Further engineering assessment is required to determine permanent restoration requirements.  Temporary repairs on the unsealed section were completed this week.

EAST KURRAJONG

  • East Kurrajong Road, East Kurrajong – Pothole repairs continued this week, ongoing monitoring to continue. Shoulder maintenance completed this week. Further engineering assessment is required to determine permanent restoration requirements.

EBENEZER

  • Coromandel Road, Ebenezer – Drainage assessment ongoing.  Permanent repair subject to drainage investigation due to change in landscape impacting roadway
  • Sackville Road, Ebenezer – Road rehabilitation project identified. A call for quotations for stabilisation works closes Friday 20 May.
  • Kolora Road, Ebenezer – Works completed week ending 13 May.

GLOSSODIA

  • Mitchell Drive, Glossodia - Potholes repaired, ongoing monitoring to continue
  • Spinks Road, Glossodia – Work on scour underway. The road will require assessment for permanent repair.
  • Golden Valley Drive – The area in a northerly direction from Spinks Road has been inspected and will require assessment for permanent repair.
  • Chestnut Drive, Glossodia – Scheduled for major rehabilitation work that will take place in June and July.

GROSE WOLD

  • Grose River Road, Grose Wold – Damages assessed, maintenance work to shoulders to be scheduled. Permanent repairs have been escalated due to failures of temporary repairs as a result of continued wet weather.
  • Grose Wold Road, Grose Wold – Hill on approach to school requires further maintenance, to be scheduled when resources permit

KURMOND

  • Kurmond Road, Kurmond – Road failure damages to be assessed and restoration works to be scheduled

KURRAJONG

  • Comleroy Road, Kurrajong and Wheeny Creek - Grading has been completed on Comleroy Rd near Upper Colo Rd. Works have continued into Upper Colo Road. A section of road was graded to improve trafficability. Further material and grading required, to be scheduled in the coming weeks. 4WD access is recommended. Detailed engineering assessments scheduled this week.  (Refer to Colo update for additional information).

LOWER MACDONALD

  • Walmsley Road, Lower Macdonald - Debris removal to be scheduled in the coming weeks.

LOWER PORTLAND

  • Lower Colo Road, Lower Portland – CLOSED - resident access only - road made safe to allow resident access.  Damage assessments have been completed. Further engineering assessment is required to determine permanent restoration requirements.
  • Wheelbarrow Ridge Road, Lower Portland - Damages assessed on sealed section, maintenance works to be scheduled. Inspection regime to continue to monitor further maintenance requirements.
  • Wheelbarrow Ridge Trail, Lower Portland – Ongoing maintenance will continue, as required.

MOUNTAIN LAGOON

  • Mountain Lagoon Road, Mountain Lagoon – Final restoration requirements to be assessed by engineers.  Works to be scheduled once assessment complete. Grading works were rescheduled due to inclement weather, works scheduled for next week to improve trafficability

MULGRAVE

  • Mulgrave Road, Mulgrave near pump station. Further engineering assessment is required to determine permanent restoration requirements. Rehabilitation to be scheduled and contractor engaged.
  • Railway Road South, Mulgrave – OPEN – Permanent repairs have commenced and trafficability has been improved. Works will continue in the coming weeks to finalise repairs, weather permitting.

NORTH RICHMOND

  • Crooked Lane, North Richmond – Potholes repaired, ongoing monitoring to continue.  Routine maintenance on unsealed section to be scheduled. Roadside vegetation removal completed last week.
  • Redbank Road, North Richmond - Potholes repaired, ongoing monitoring to continue. Road restoration works scheduled for Monday 2 May were cancelled due unforeseen circumstances. Restoration works to be rescheduled to commence within the coming weeks.  Full reconstruction has been included in the road rehabilitation program for 2022/23.
  • Grose Vale Road, North Richmond – Redbank Communities will commence road improvement works this month between Yobarnie Avenue to west of the Grose River Road intersection. The improvements include shoulders works, drainage works, surface works and a new roundabout to the intersection of Grose Vale Road and Grose River Road. Works will continue into early 2023. The roundabout will be installed in preparation for the Grose River Bridge Link Road connecting to Penrith and Blue Mountains via Springwood Road.

OAKVILLE

  • Wolseley Road, Oakville – Permanent repairs are close to completion. Road seal will be applied by the end of next week, weather permitting
  • Old Stock Route Road, Oakville - Permanent repairs are underway. Road seal will be applied by the end of next week, weather permitting.
  • Smith Road, Oakville - Significant damage. Road shoulders completed. Reconstruction to be scheduled and contractor engaged

PITT TOWN

  • Pitt Town Bottoms Road, Pitt Town - Temporary work undertaken to reinstate drainage and restore access to properties at Friendship Bridge. A call for tenders for the design services has been issued and closes on Friday, 20 May.
  • Old Pitt Town Road, Pitt Town - Damages assessed. Further engineering assessment is required to determine permanent restoration requirements.

RICHMOND

  • Bensons Lane, Richmond - Significant damage. Temporary works to improve access along the road have taken place. A call for tenders for the design services has been issued and closes on Friday, 20 May.

RICHMOND LOWLANDS

  • Cornwallis Road, Richmond Lowlands - See update below.
  • Cornwells Lane, Richmond Lowlands - A call for tenders for the design services has been issued and closes on Friday, 20 May.

SACKVILLE

  • Sackville Road, Sackville - A call for tenders for the design services has been issued and closes on Friday, 20 May.
  • West Portland Road, Sackville - OPEN - A call for design services has been issued and closed on Friday 20 May.

SCHEYVILLE

  • Avondale Road, Scheyville – Access restored immediately following the receding of floodwaters.  Further maintenance requirements to be assessed.

SOUTH WINDSOR

  • Woods Road, South Windsor –CCTV investigation complete. Storm water drainage lines are all clear and functioning as designed. Driftway at Waste Management Facility and Agnes Banks end – Pothole repairs completed this week.  Damages assessed last week and engineering advice sought to determine required rehabilitation

ST ALBANS

  • Settlers Road at Thomas James Bridge will be CLOSED to traffic between 7am and 5pm, Monday to Wednesday, 23-25 May to allow for important geotechnical investigations to take place. The investigations are a crucial part of the planning for permanent reconstruction works to repair flood damage to the road. Please make alternative travel arrangements for these three days

    At other times, the road is open to one way traffic, with a 15T limit, under traffic control being managed by Central Coast Council. If road conditions deteriorate, the road may be closed at short notice for the safety of motorists. Surveying and photography is underway to help inform the geotechnical heritage studies as the first step to reconstructing the wall at the Thomas James Bridge. During these investigations, periodic closures of Settlers Road will be required. Residents will be given notice of these closures. Council has also commenced arranging contractors to undertake the reconstruction works.

  • Monitoring the movement of the bridge is underway and will occur every two weeks.
  • Upper Macdonald Road, St Albans - Maintenance works continued this week.  Embankment slips are being progressively reinstated. Road made safe and is trafficable.

TENNYSON

  • Valley Way, Tennyson - OPEN - Roadway open under traffic control.  Initial engineering inspection undertaken; design consultant requested to submit quotation as roadway deemed a high priority for urgent repairs.

UPPER COLO

  • Upper Colo Road, Upper Colo – CLOSED resident access only - road made safe to allow resident access. Shoulder works were completed to improve access past slip sections. Initial inspections by engineering undertaken with geotechnical works commencing 20 April to inform final design. Planning for permanent repairs in progress.

UPPER MACDONALD

  • Gorricks Run, Upper Macdonald – OPEN - resident access only - road made safe to allow resident access. Damages to the causeway recorded.  No further damage to the causeway, concrete edging repairs to be scheduled.  Drainage repairs to be assessed and scheduled. Debris removal completed.
  • Upper Macdonald Road, Upper Macdonald and Higher Macdonald - CLOSED, resident access only - road made safe to allow resident access. Grading continues as access becomes available.  Further maintenance works to be assessed.

WEBBS CREEK

  • Webbs Creek Road, Webbs Creek – OPEN - resident access only - road made safe to allow resident access. Initial grading and clearing of debris from roadway complete. Repairs to river slips have been completed.

WILBERFORCE

  • Grono Farm Road, Wilberforce – Damages have been assessed. Temporary repairs commenced this week with more permanent repairs to be assessed and scheduled. A tender has been called for design services.
  • McKinnons Road, Wilberforce - OPEN – Grading works undertaken this week, final compaction and grading to be completed by the end of next week, weather permitting.
  • Sackville Road (near Stannix Park Rd), Wilberforce - Pot holes filled, road damage to be scheduled.

WINDSOR

  • Argyle Street Windsor (dip in the road) – Contractor has been engaged to undertake repairs to this section of road, anticipated completion week ending 27 May.

WHEENY CREEK

  • Wheeny Creek – access road – Assessment required

Colo

Update – 12 May 2022

  • Council officers were in contact with a number of residents from Upper Colo who were able to provide valuable photo and video records prior to staff obtaining access and we are incredibly grateful for this valuable collaboration.
  • Upper Colo Road is currently closed to the public but is open to residents to access their properties. Geotechnical investigations of the landslip sites has been completed and the process of designing the required permanent repairs is now commencing.
  • Further road shoulder works have been completed to improve access past slip sites.
  • Lower Colo Road has been made safe to allow resident access.  Further assessment of landslips to be undertaken.
  • Comleroy Road is open to provide access for local traffic. Detailed engineering assessment to be undertaken this week. It requires extensive rehabilitation works to be designed over the coming weeks, with construction to follow.
  • Grading on the unsealed section of Upper Colo Road was completed.  Road cleared of mud and silt with bulk material stockpiled for removal at a later date.
  • Extensive damage has been experienced on Crab Tree Gully Road preventing access for residents.  Council has been in constant contact with impacted residents and has connected them with relevant support agencies during their isolation.   Works are currently underway.
  • ­At the Council Meeting on Tuesday 10 May 2022 a report will be presented about Upper Colo Bridge Replacement Project – Various initiatives. Additional details are available about the Council Meeting at the end of this update.

Macdonald Valley

Update - 19 May 2022

  • Settlers Road at Thomas James Bridge will be CLOSED to traffic between 7am and 5pm, Monday to Wednesday, 23-25 May to allow for important geotechnical investigations to take place. The investigations are a crucial part of the planning for permanent reconstruction works to repair flood damage to the road. Please make alternative travel arrangements for these three days.

    At other times, the road is open to one way traffic, with a 15T limit, under traffic control being managed by Central Coast Council. If road conditions deteriorate, the road may be closed at short notice for the safety of motorists. Surveying and photography is underway to help inform the geotechnical heritage studies as the first step to reconstructing the wall at the Thomas James Bridge. During these investigations, periodic closures of Settlers Road will be required. Residents will be given notice of these closures. Council has also commenced arranging contractors to undertake the reconstruction works.
  • St Albans Bridge – For the next 2 months, Transport NSW have provided approval for the flood affected rubbish trucks or any other emergency vehicles up to 24T, to travel over the bridge (strict conditions apply to minimise potential risk). We have clarified with Transport NSW after enquires from residents, and this permission also extends to water carts.
  • There are several significant slips across the valley, and we will address them on a priority basis.
  • Repair works are progressing on reopening roads to the wider community, however roads have been made safe to allow residents access to their properties.

Greens Road, Lower Portland

Update – 19 May 2022

Over the last week the emergency works at Site 1 have continued and this has included widening the road, clearing debris and the continuation of the works to prevent further erosion at the downslopes and upslopes. Tree removal and clearing debris has also been carried out at Site 2. There have been continuous truck movements and this will continue over the next week.

This week detailed excavation on the upslope at Site 1 will be carried out and the tree clearing will continue at Site 2.

Residents can expect clear and uninterrupted access through Site 1 at the following times:

  • Before 7am
  • 12pm – 12.30pm
  • After 5pm

At all other times please allow up to 30 minutes additional traveling time for public access through Site 1.

A large boulder that was partially obstructing Green Road east of Site 2 has also been removed.

Cornwallis

Update – 19 May 2022

If you missed last Friday’s community update meeting and wish to watch it, it is available at www.youtube.com/hawkesburycitycouncil

The slideshow presentation shown to the meeting can also be viewed at www.yourhawkesbury-yoursay.com.au/67636/widgets/331304/documents/232566

Council and NSW Public Works Advisory (PWA) are working together on this project with PWA supporting Council with geotechnical, floodplain and environmental science expertise.

Council have directed PWA that the works at Cornwallis are to be undertake in two stages.

Stage 1 – Isolate the site from the Hawkesbury River

Stage 2 – Protect the site by building a culvert, redoing the road profile, reinstalling services and landscaping.

As part of Stage 1, and in consultation with PWA, Council has selected a construction solution that is affordable, easy to implement, and is readily available. The preferred option will use engineered sandbags to stabilise the eroded riverbank from further erosion.

This option will also easily incorporate into the Stage 2 works.

Geotechnical work to inform the design is continuing.

Molino Stewart Pty Ltd has been engaged to undertake investigation work regarding the Hawkesbury drainage systems in the areas of Cornwallis, Richmond, Richmond Lowlands and Wilberforce. As part of the investigations representatives from Molino Stewart will be visiting these areas in the week beginning 23 May 2022 and will, in some instances, require access to properties for the purpose of capturing the location of drainage systems. Entry to your residence is not required, only access to the land itself for Molino Stewart representatives.

The Cornwallis Restoration Advisory Committee held its first meeting last week. This included a presentation by Public Works on the four temporary options, Council’s preferred option and initial discussion on community engagement. The information shared was presented at the public meeting last week.

Next steps

  • Geotechnical, geophysical and environmental investigation to inform the detailed design of both the Stage 1 and Stage 2 works
  • Identify suitable material supplies
  • Prepare a Review of Environmental Factors assessment of the works
  • Public tender process concluding with the awarding of a tender for construction of Stage 1
  • No timeline on this at this point in time

Upper Colo Bridge

Update - 19 May 2022

Contractor Menai Civil has confirmed that construction works on the new bridge is expected to commence on 25 May 2022, weather permitting.

The information on the Heritage Intrepretation Study will be available for public comment before the end of May. Opportunities for the community to comment will be shared shortly as part of this update.

Council Meeting 10 May 2022

The following items were addressed at the Council Meeting on Tuesday 10 May 2022:

  • Flood Damage Report – Update on major road recovery projects
  • Upper Colo Bridge Replacement Project – Various initiatives

The Business Paper for the meeting including the two reports is available on Council’s website https://www.hawkesbury.nsw.gov.au/your-council/council-meetings-and-agendas/business-papers

The Minutes from the Meeting will be available on Council’s website at midday Friday 12 May 2022.

You can also watch a recording of the meeting here: https://www.youtube.com/watch?v=xFqYZLQHlqQ

The Flood Damage Report was received and noted. The Report acknowledged all the locations where there is damage across the LGA.

The Upper Colo Bridge Replacement Project Report acknowledged that a permanent toilet facility will be located on the western side of the river after the completion of the Upper Colo Bridge reconstruction. The fees and charges for camping at the Reserve will also be reviewed for 2023/2024.

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