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Flood project updates

Daily Roads Maintenance Activity

23 September 2022

Upper Colo Road, Upper Colo - repair to flood damaged road
Upper Colo Road, Upper Colo - flood cleanup
The Driftway - sealed roads shoulder maintenance.

21 September 2022

Brennans Dam Road - seal gravel road
Cupitts Lane - temporary repair to flood damaged road
Portland Head Road - grade unsealed road
Spinks Road, Glossodia - clean storm water  lines + shoulders
The Driftway
Upper Colo Road, Upper Colo - Flood Clean up
Upper Colo Road, Upper Colo - repair to flood damaged road
Webbs Creek Mountain Road - grade unsealed road
West Portland Road, Lower Portland - sealed roads repairs
Wheelbarrow Ridge Road - grade unsealed road

20 September 2022

Webbs Creek Mountain Road - grade unsealed road
Portland Head Road - grade unsealed road
Brennans Dam Road, Vineyard - seal gravel road
Wheelbarrow Ridge Road, Lower Portland - grade unsealed road
Upper Colo Road, Upper Colo - repair to flood damaged road and clean up
Cuppits Lane, Richmond - temporary repair to flood damaged road
West Portland Road -Lower Portland - sealed roads repairs
366 Spinks Road, Glossodia - Clean storm water  lines + shoulders

19 September 2022

Webbs Creek Mountain Road - grade unsealed road
Portland Head Road - grade unsealed road
Brennans Dam Road, Vineyard - seal gravel road
Wheelbarrow Ridge Road, Lower Portland - grade unsealed road
Upper Colo Road, Upper Colo - repair to flood damaged road and clean up
Cuppits Lane, Richmond - temporary repair to flood damaged road
West Portland Road -Lower Portland - sealed roads repairs
Carters Road, Grose Vale - pipe jetting
Gotts Road, Lower Portland - pipe jetting
Southee Road, Hobartville -pipe jetting

Important flood project updates

Update - 19 September 2022

Flood affected residents are invited to take advantage of FREE flood waste collection before bookings close on Monday, 31 October 2022.

This includes residents of Lower Macdonald who were previously inaccessible to our contractors due to the road slip at 1098 Settlers Road.

To be eligible for Flood Waste Collection, you will need to be a Hawkesbury resident whose residential property or business has been impacted by rising flood waters.

If you are an eligible resident or business, please fill out the online form at Flood Waste Collection Form | Resources (nsw.gov.au). If you have difficulty in completing this form, please call our Customer Service Centre on (02) 4560 4444 during business hours.

Once submitted, your request will be reviewed, and you will receive an email to advise your eligibility and collection details.

Residents are also welcome to drop off flood waste at the Hawkesbury City Waste Management Facility. Reduced fee arrangements for flood waste drop off at the facility will also cease on 31 October, and full fees will then apply.

Flood affected residents will need to bring proof of address such as a Driver’s Licence or Rates Notice.

The Hawkesbury City Waste Management Facility  is open daily 8am to 4pm except public holidays. It is located at 1 The Driftway, South Windsor.

Standard charges apply for other waste that is not flood waste and for residential properties that were not flood affected.

Waste will be checked at the gate. Loads containing asbestos will be rejected. Always follow the instructions of the gatehouse attendant.

- - -

Council's dedicated infrastructure recovery team are undertaking the mammoth process of evaluating and prioritising road repairs across the city.

The first priority is to ensure that damaged roads are made safe and access is restored to properties.

As this happens, we create a priority list for repairs and arranging for those repairs to take place.

We have adopted a two-stage approach – temporary “make safe” repairs, followed by permanent repairs. These temporary repairs won’t last long and they are not designed to. They are designed to help make the roads safe until a more permanent repair can be applied. Our crews have already been out and about all last week and this week filling potholes.

Council is committed to ensuring flood damaged roads are repaired as quickly as possible while ensuring the safety of motorists.

These repairs are fully funded through state government recovery funding, however the reality is this will take many months due to the sheer number of roads and the significant damage that has been done to some of them.

Please be patient, report potholes as you see them, call us on (02) 4560 4444 if you find major damage, and drive to conditions.

We will continue to keep the community updated on the progress of road repairs.

Report potholes: https://www.hawkesbury.nsw.gov.au/_resources/forms/roads-reporting-form

Greens Road, Lower Portland

Update - 23 September 2022

Mon 26/09/2022 – Sat 1/10/2022

Works at Site 2 are continuing to progress, with the completion of all soil nail drilling and horizontal drains due to be completed this week. Over the next week, mesh, strip drains and steel plates will also be installed at Site 2.

Testing and final drilling of soil nails at the second and last lift at Site 1 will continue over the next week. Mesh and steel plates at the second and final lift will also be installed, and weather permitting shotcrete at the cave section and second lift will be completed. Excavation at the founding level will also occur over the next week.

Nightworks have recommenced at Site 1, the hours of uninterrupted access for residents through Site 1 between Monday and Friday are below:

·        Before 7AM

·        9:30AM - 9:45AM

·        1:00PM - 1:30PM

·        3:15PM - 3:30PM

·        5:15PM - 5:30PM

·        7:30PM – 7:45PM

·        After 10PM

The hours of uninterrupted access for residents through Site 1 on Saturdays are below:

·        Before 7AM

·        9:30AM - 9:45AM

·        After 1PM

Please follow all directions given by traffic control.

Upper Colo Bridge

Update 21 September 2022

Contractor resumed work onsite and will be working on cofferdam construction for next few weeks. Updated completion date is end of February 2023.

Update – 8 September 2022

Construction of the working platform is now underway.

Update – 1 September 2022

The demolition of the damaged bridge has now been completed, and flood waste and debris from the July 2022 flood has been removed.

The contractor Menai Civil, in conjunction with Public Works Authority, are currently working on a work restart plan factoring in the continuing high water level in the Colo River.

Update – 25 August 2022

High water levels are still being experienced in the Colo River. This is having an impact on the intended construction procedure for the over-river works, which will need to be adjusted slightly to ensure water levels won't delay project delivery. These changes won't alter the final outcome of the bridge.

Update – 18 August 2022

The works on Upper Colo Bridge resumed Monday 8 August 2022. Over the next 2-6 weeks, weather permitting, contractors will be carrying out activities to prepare to start works. The original estimated project completion date was December, but unfortunately due to the July flood this is now being revised.

Activities of works to be conducted include:

  • Clean-up of the site
  • Reinstate environmental protection measures
  • Box out proposed road on eastern side to bridge approach
  • Complete demolition of existing timber bridge
  • Construct shoring system/coffer dam for sheet piling
Cornwallis

Update - 15 September 2022

Tendering for the Stage 1A works will begin shortly under an accelerated tendering program. Stage 1A targets the initial engineered protection of 7mAHD and additional measures to permit the dewatering of the significant area of erosion.

Update - 25 August 2022

Surveying has now been completed and the data is used to finalise the construction design by the end of this month.  Request for tender documentation is being developed, as well as project cost estimation. Costing is well underway for the supply of the precast concrete box culverts.

Update - 18 August 2022

Surveying of the affected site has now been completed, and geotechnical investigations will be completed this Friday.

Public Works Authority has arranged an expressions of interest meeting with a number of capable construction companies to discuss the upcoming works program. This meeting is taking place on Friday.

Update - 11 August 2022

Due to additional damaged caused to the site  by the July 2022 flood, new surveys were conducted to get an accurate measure of the scale of the damage.

As there was further loss of concrete pipes from the site, the design has been adjusted to incorporate a box culvert drainage pipe. These have been ordered and should provide advantages in time when it comes to construction.

The previous timeline had construction of the first stage of the project due to begin in September 2022.  The recent flood event has pushed this to October with construction due to complete in February 2023. The first stage of the project involves the construction of a new levee at each end of the site to protect the area from further water ingress and allow the existing water to be pumped out.

Update - 4 August 2022

Cornwallis Road & Cornwells Lane, Richmond Lowlands - Council is monitoring these roads and has started carrying out patch repair works as required to keep the roads safe. Regrading and drainage works are anticipated to begin within the next two weeks to bring the road up to a standard that will provide a better level of service until permanent repairs can be commenced in spring.

Cupitts Lane, Cornwallis – Following repair work in June we will shortly be carrying out further patch repairs to damaged sections as a result of the July flood. Permanent repair works are anticipated to commence in Spring 2022.

Bensons Lane, Cornwallis – Unsealing, grading and reshaping the road is underway to create a safe, trafficable surface until permanent reconstruction works can be carried out later in the year.

Update - 27 July 2022

There has been no change to the design intent, with the engineered bank protection and crest height of approximately 13.5m remaining the objective of Stage 1. However, this Stage 1 will now be approached as two distinct stages, stages 1A and 1B.

  • Stage 1A will target an earlier initial engineered protection of 7mAHD and additional measures to permit the dewatering of the significant area of erosion.
  • Stage 1B will continue on what is achieved by 1A, to achieve the original design intent of a 13.5m high crest and restoration of pre-flood protection

The final design of Stage 1A is anticipated to be finalised in approximately three weeks, with the procurement and early contracted works to follow that. As these timelines become clearer, we will update the community as we are able.

At the same time, detailed design works will continue on Stage 1B, as well as early consideration of Stage 2, the permanent restoration of the drain and river bank.

Prior to the July flood, Council and Public Works Advisory had already commenced a process of reviewing the construction and delivery methodologies with a view to saving as much time as possible. Through this process, we identified a switch to pre-cast concrete box culverts would save a number of weeks of construction time and the order for the delivery of these culverts has already been placed. Whilst the decision to make this change was made prior to the July flood, the loss of a further approximately 20 pipes from the stockpile has meant that this will save even more time.

Thomas James Bridge and Settlers Road

Update - 19 September 2022

Bookings for Flood Waste Collection will close on Monday, 31 October 2022.

With the lifting of the weight limit at 1096 Settlers Road, our contractors can now access Lower Macdonald.

To be eligible for Flood Waste Collection, you will need to be a Hawkesbury resident whose residential property or business has been impacted by rising flood waters.

If you are an eligible resident or business, please fill out the online form at Flood Waste Collection Form | Resources (nsw.gov.au). If you have difficulty in completing this form, please call our Customer Service Centre on (02) 4560 4444 during business hours.

Once submitted, your request will be reviewed, and you will receive an email to advise your eligibility and collection details.

Residents are also welcome to drop off flood waste at the Hawkesbury City Waste Management Facility. Reduced fee arrangements for flood waste drop off at the facility will also cease on 31 October, and full fees will then apply.

Flood affected residents will need to bring proof of address such as a Driver’s Licence or Rates Notice.

The Hawkesbury City Waste Management Facility  is open daily 8am to 4pm except public holidays. It is located at 1 The Driftway, South Windsor.

Standard charges apply for other waste that is not flood waste and for residential properties that were not flood affected.

Waste will be checked at the gate. Loads containing asbestos will be rejected. Always follow the instructions of the gatehouse attendant.

Update - 16 September 2022

The new monitoring system at Thomas James Bridge passed its first real test overnight. Rainfall exceeded 20mm in 24 hours at midnight, which previously would have triggered an automatic closure of the road, and it would not have reopened until Monday morning.

The new monitoring system is instead monitoring for ground movement, and none was detected - meaning Settlers Road was able to remain open at Thomas James Bridge.

Settlers Road at Thomas James Bridge will only be closed for safety inspections if the equipment detects significant ground movement.

This system will be in place until the road and bridge is repaired and reopened without load limits.

Update - 15 September 2022

The concept design for the repair works for the bridge and approaches will be complete by the end of the week and will be submitted to Heritage NSW. The retaining wall structure design will carry on the background and will be complete at the same time as the Heritage process. Procurement is anticipated to commence in November, with a targeted construction start of February 2023.

An important change has been made to Hawkesbury City Council’s management of access to Settlers Road via Thomas James Bridge during wet weather events.

WHAT WE ARE DOING

Council is committed to keeping Thomas James Bridge on Settlers Road open as long as it is safe to do so, to ensure residents of the Macdonald Valley can stay connected.

To help ensure this, Council has invested in new monitoring equipment. This equipment will monitor the bridge and its approaches 24/7 and provide Council will real-time information on ground movement and weather conditions. This removes the need to close the bridge whenever there is wet weather. The bridge will now only close for safety inspections if significant land movement occurs.

This will eliminate the current automatic shut-down process of the road and bridge after 20mm of rainfall, allowing the bridge to remain open during rain as long as ground movement is not detected. Council will continue to monitor rainfall around the bridge as part of our decision-making processes.

We have also invested in 24/7 traffic control at the site to ensure the 5-tonne limit on the bridge is followed. This limit is in place to help prevent further damage to the road, which could force a permanent closure.

These investments will help ensure safe operation of the bridge until the permanent repairs can take place. Unfortunately, due to the location of the bridge, the surrounding geography and the heritage value of this 1830s convict-built bridge, this will be a complicated repair job. We are working closely with engineering, geotechnical and heritage experts to repair the road as quickly and safely as possible.

THE NEW CLOSURE PROCEDURE

In the event of ground movement being detected, Council will alert the community that Settlers Road at Thomas James Bridge will need to be closed for safety inspections. Residents will be given approximately two hours notice.

Engineers will then conduct a safety inspection, anticipated to be within 24 hours of the closure. Following the inspection, Council will reopen the road if it is safe to do so, carry out make-safe works if possible before reopening the road, or keep the road closed if engineers declare it unsafe.

WHEN WILL THE SYSTEM BE IN PLACE?

The system was operational from Monday 12 September 2022 and will be in place until the road and bridge is repaired and reopened without load limits.

FURTHER UPDATES

Council is committed to providing ongoing updates to the community on the progress of repairs to Settlers Road.

Residents can sign up for email updates an SMS road closure alerts at www.yourhawkesbury-yoursay.com.au/fih2021

Road Repair Packages

Update -  21 September 2022

Upper Colo Road and Hulbert Road

There are 10 slips along Upper Colo Road and two on Hulbert Road. Eight of these landslips are under immediate works and works have commenced. It is expected the works will take 5-6 weeks (from 15 September) for all 8 to be completed, weather permitting.

Two landslips on Upper Colo Road are major slips and design work for these repairs is continuing. Works on these repairs will likely start in 1-2 months.

Repairs for the two slips on Hulbert Road are in the design process.

Valley Way, Tennyson

Design finalised.

Immediate works:

  • Pitt Town Dural Road  repairs ongoing, sealing to commence in the next week or two, weather permitting.
  • Old Stock Route Road (near floodgates) vegetation clearing, and potholes have been filled
  • Cupitts Lane - temporary works started last week on Cupitts Lane with permanent repairs to be completed later in the year. Nearby roads will also be inspected for suitability for immediate temporary works.
  • Wolseley Road, Oakville - works to take place during the school holidays.
  • Pitt Town Bottoms Road and Grono Farm Road - These works are all to be done as soon as contractors are available.

Package 1 – Once designs are all complete, they will go out for tender.

Package 2 - In design. Design Consultants appointed 27/07/2022 and design stage has commenced.

Package 3 - Roads in this package are preparing to be designed.

Package 4 - Roads in this package  are preparing to be designed.

Package 1 - Nearing Design Completion

  1. Bensons Lane, Richmond Lowlands - Nearing design completion.
  2. Cornwallis Road, Richmond Lowlands – Design complete.
  3. Cornwells Lane, Richmond Lowlands – Design complete.
  4. Cupitts Lane, Cornwallis – Nearing design completion.
  5. Grono Farm Road, Wilberforce – Design complete.
  6. Pitt Town Bottom Road, Pitt Town – Design complete.
  7. Sackville Road, Sackville – Design complete.
  8. West Portland Road, Sackville – Design complete.
Package 2 - Design Stage

Design Consultants appointed 27/07/2022 and design stage has commenced.

  1. Colo Heights Road, Upper Colo - 2.2km of unsealed gravel road, starting at intersection with Hulbert Road and going north. Embankment failures noted on Hulbert Road, geotechnical investigations taking place.
  2. Comleroy Road, Kurrajong - gravel section
  3. Grose Vale Road, North Richmond (various sections)
  4. Mountain Lagoon Road, Bilpin - 1.4km unsealed gravel road, starting at intersection with Sams Way and going east
  5. Percival Street, Clarendon - 250m sealed asphalt road, starting 30m north of Percival Street/Hawkesbury Valley Way intersection
  6. Tizzana Road, Sackville - 200m unsealed gravel road starting at the large culvert and continuing to the west. 1km unsealed gravel road, starting where asphalt ends at intersection with Madeleine Place.
  7. Webbs Creek Road, Webbs Creek - 2.1km unsealed gravel road, starting from intersection with St Albans Road
  8. Wollombi Road, St Albans (various sections)
Package 3 – Design Stage, in Procurement
  1. Brabyn Street (Macquarie Street to Mileham Street)
  2. Laws Farm Road (various sections)
  3. Mitchell Park Road (between Cattai Rd and Reedy Road – various sections)
  4. Mulgrave Road, Mulgrave (adjacent 48 Mulgrave Road)
  5. Onus Lane, Richmond Lowlands
  6. Palmer Street, Windsor (between North Street and George Street)
  7. Park Road South, Mulgrave
  8. Pitt Town Ferry Road (various sections)
  9. Railway Road South, Mulgrave between Mulgrave Road and Park Road South (various sections)
  10. Ridges Lane (various sections)
  11. Saunders Road, Oakville (between Pitt Town Road and Old Stock Route Road – various sections)
  12. Wheelbarrow Ridge Road, Colo Heights (between Putty Road and Grono S Trail – various sections)
  13. Package 4 – Design Stage, in Procurement

    Council has identified 14 landslips in the area that are the subject of this repair package.

    The objective of this package is to reinstate the failed embankments/landslips, reconstruct the road pavement, where required.

    The reinstatement of the embankments will prevent further damage to the roads, allowing them to be used at normal conditions and allowing nearby communities an uncompromised access to their properties.

    1. St Albans Road, St Albans

    2. St Albans Road, Lower Macdonald

    3. St Albans Road, Central Macdonald

    4. Upper Macdonald Road, St Albans

    5. Upper Macdonald Road, Upper Macdonald

    6. Upper Macdonald Road, Higher Macdonald

    7. Wollombi Road, St Albans

    8. Wollombi Road, Mogo Creek

    9. Wollombi Road, Fernances

    10. Settlers Road, Wisemans Ferry

    11. Settlers Road, St Albans

    12. Settlers Road, Central Macdonald

    13. Setters Road, Lower Macdonald

    14. Webbs Creek Road, Webbs Creek

Page ID: 203122

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