Stormwater Helicore Upgrades
Council will prioritise and work through renewing the aluminium helicoil pipeline. Further updates will be given once the projects are defined.
Last week saw Pipeworks complete the last 99m section of liner along a section of stormwater pipe located through properties off Tavistock Road. Higgins are currently undertaking of road rehabilitation with sealing to be completed this week.
Council’s contractor Pipeworks successfully completed the Tutanekai Street section of work with the installation of 145m length of liner. Due to the curing requirements of the product been installed work was not completed until after Midnight on the day of installation. This week a 99m section located off Tavistock will be undertaken.
Works will be taking place to renew and line stormwater pipes from 5th of October until approximately 19th of October and has some impact on traffic on Tutanekai St, Hinemoa Tce, Albert St and Tavistock Rd as the stormwater upgrades are undertaken.
A letter has been dropped to all residents to make them aware of the works and key details, a copy of the letter can be found here.
The scope of works is as follows;
Lining an existing 1000mm along Tutanekai Street, and a section of 750mm located in the back of properties located off Tavistock Road as presented in the picture below -
Pipeworks and Higgins been contracted to carry out the project to renew and line the stormwater pipes in your area. The work involves inserting a flexible resin liner inside the existing pipe, then curing it with UV as the most innovative and environmental friendly methodology in Cured in Place Pipe (CIPP) lining to form a layer inside the existing pipe. Works also include CCTV pipeline inspections, pipe repairs, cleaning and bypass pumping.
This is due to the aluminium helicoil stormwater line corroding and failing causing road repair and the formation of tomo's where debris enters the failed pipeline.
The major items of work for this project have now been completed with only a small area of topsoil work to be finished.
Pipeworks undertook the lining of the three sections in late August 2019, completing them in a week with assistance from the Higgins Waipukurau Yard.
In total 172m of pipe through private properties was relined without issues.
Works went according to plan and the lining of these sections of helicoil pipeline were completed on Saturday 30th August 2019.
Higgins are finalising road reinstatement and are remedying manhole lid levels.
All work is expected to be complete by the end of September 2019.
Works will be taking place from Mon 26th August 2019 through to late Sep 2019, council through Pipeworks/ Higgins is renewing stormwater pipelines by lining them with a new material.
This is taking place opposite #3 Francis Drake Street to a manhole in the bowling club, and outside #32 Tavistock through private property to #11 Jellicoe street, Waipukurau.
The work involves inserting a flexible resin liner inside the existing pipe, then curing it with UV as the most innovative and environmental friendly methodology in Cured in Place Pipe (CIPP) lining to form a layer inside the existing pipe. Works also include CCTV pipeline inspections, pipe repairs, cleaning and bypass pumping.
There will be noise related with machinery, and smell is expected due to the liner being impregnated with polyester resin, which may cause some smell during installation - The smell should not to be noticeable beyond 10 meters, however we would advise you to close windows.
The civil structure in Francis Drake Street has been completed by Higgins with the final sealing completed within the past week. The footpath is only a temporary measure until the lining into the bowling club has been completed.
This lining works is planned from the 5th August with preparation work to be undertaken by the main contractor Pipeworks. Cleaning and cutting of any tree roots within the pipe will take place from this date. Lining of the pipes is programmed from the Monday 26th August with completion near the end of September 2019.
Higgins have completed installation of all the new pipe work and manholes in the Francis Drake Section of this Contract. Work is currently underway to rehabilitate the road surface.
A temporary repair to the footpath will take place as the concrete lid of the manhole will require to be removed during the lining stage. The lining material is currently been shipped to New Zealand from overseas and lining should be taking place towards the end of the month and into August weather dependant.
Higgins continue to make progress installing the new concrete pipe along Francis Drake Street out into St Joseph Street. Steady progress has been made in the past week with new pipe up to the intersection ready for the pass across St Joseph Street.
Once this is completed Higgins will then commence on rehabilitation of the road. The footpath in Francis Drake Street will be not be reinstated until the lining work is completed as the manhole lid will require to be lifted off to facilitate the lining installation through into the bowling club. The footpath area will be left in a tidy and usable state until the lining work is completed.
Photo below is of the new concrete stormwater pipe along Francis Drake St
Contractors continue to work away in Francis Drake Street with the installation of new manholes and concrete pipes.
Higgins whom are carrying out the civil work for the Main Contractor (Pipeworks) are making steady progress with some rather large manholes, and pipe inserts through these manholes. This pipe inserts are to convey wastewater that previously clashed with the Storm water network. These inserts replace pipes already in place but Council felt it best to renew them as part on the upgrade works.
The lining material is currently manufactured overseas and we are waiting on its arrival in August for installation.
Week starting 17 June, sees the replacement of a section of Stormwater pipe that runs along Francis Drake Street up into St Joseph Street.
Update - 29 May 2019
Higgins who are carrying out the structures portion of the contract for Pipe Works continue to make good progress in Francis Drake St - The new section of water main has been completed which now allows Higgins to install the new large 2300mm manhole into the Stormwater Network.
This manhole also requires a new section of sewer main pipe to be inserted. To carry out this manhole installation an existing concrete manhole has had to be removed piece by piece to ensure the adjacent sewer manhole was not damaged.
Over the coming week Higgins will begin installing new concrete Stormwater pipes between the new manhole structures.
Works commenced on this project towards the end of April 2019, and are progressing well.
Higgins who are carrying out the structures portion of the contract for PipeWorks have commenced works in Francis Drake St.
The installation of one of the three new manholes has commenced with excavations on the existing structures ongoing to aid the installation process. The new section of water main which is required for the new structures is ready to install over the next few weeks.
Pipeworks have carried out their CCTV assessment of the Helicoil pipes, with the liner material to be ordered from the overseas supplier.
Central Hawkes Bay District Council is pleased to advise we have awarded a contract to Pipeworks Ltd for the project to renew and replace two failing sections of helicoil stormwater pipe in Francis Drake Street and Jellicoe through private property to Tavistock St, Waipukurau.
Pipeworks Ltd will be engaging Higgins to undertake the civil works component of this project.
We expect work to commence 15 April 2019 and continue through to August 2019.
Council has released this package of work for tender and plans to have a preferred contractor in place by the end of Feb 2019.
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