Ti Tree Bend Sewage Treatment Plant Upgrade Works 2018

In December 2017 TasWater carried out major works on the second of the two digesters at Ti Tree Bend Sewage Treatment Plant (STP). The digesters play a critical role in the sewage treatment process, treating the solids collected and producing a by-product that is suitable for re-use. The STP is operating more efficiently as a result of these works with the digesters producing better quality sludge.

The project
We will be continuing with works this year to help reduce odour issues in the long term. This project will involve further upgrades to both digesters which will increase the efficiency of the plant. The digesters have been cleaned out in previous years; however, the current digester project aims to increase heating and mixing of the sludge in order to produce a higher quality product.

The project will also see the installation of sealed storage containers for the short term storage of the sludge, and the existing sludge storage lagoons and drying beds will no longer be used.The sludge storage lagoons are a major contributor to odours from the STP. The sludge from the storage containers will be transported off-site for disposal to composting and agricultural re-use by delivery direct to local farmers.

This work will result in the removal of approximately 50 per cent of the site’s modelled odour footprint, and a potential reduction in site noise as the sludge excavator will no longer be needed.

Timeframes and impacts
This project will be carried out by Aquatec Maxcon and we anticipate that they will establish their site camp in February 2018 and complete the works in August 2018.

The contractor will commence earthworks in March 2018. Neighbours may notice an increase in noise from site with some construction traffic on the local roads and at the STP. To create suitable foundations for some of the heavier equipment, including the sludge storage bins, piled footings will be required. For this to happen, impact driven piling will occur in March 2018 for up to two weeks. During this period we expect that the impact piling works may cause noticeable vibrations for nearby residents. Work will be undertaken between the hours of 7.30am and 5.00 pm, Monday to Saturday.

If members of the community are interested in more detailed information about this project you are welcome to contact Nikki Brookman from TasWater and we would be happy to hold a public information session.

TasWater will provide regular updates as the project progresses.

For more information about the Ti Tree Bend STP upgrades, please contact Community Engagement
Officer, Nikki Brookman:
- 13 6992
- enquiries@taswater.com.au
- www.taswater.com.au

In December 2017 TasWater carried out major works on the second of the two digesters at Ti Tree Bend Sewage Treatment Plant (STP). The digesters play a critical role in the sewage treatment process, treating the solids collected and producing a by-product that is suitable for re-use. The STP is operating more efficiently as a result of these works with the digesters producing better quality sludge.

The project
We will be continuing with works this year to help reduce odour issues in the long term. This project will involve further upgrades to both digesters which will increase the efficiency of the plant. The digesters have been cleaned out in previous years; however, the current digester project aims to increase heating and mixing of the sludge in order to produce a higher quality product.

The project will also see the installation of sealed storage containers for the short term storage of the sludge, and the existing sludge storage lagoons and drying beds will no longer be used.The sludge storage lagoons are a major contributor to odours from the STP. The sludge from the storage containers will be transported off-site for disposal to composting and agricultural re-use by delivery direct to local farmers.

This work will result in the removal of approximately 50 per cent of the site’s modelled odour footprint, and a potential reduction in site noise as the sludge excavator will no longer be needed.

Timeframes and impacts
This project will be carried out by Aquatec Maxcon and we anticipate that they will establish their site camp in February 2018 and complete the works in August 2018.

The contractor will commence earthworks in March 2018. Neighbours may notice an increase in noise from site with some construction traffic on the local roads and at the STP. To create suitable foundations for some of the heavier equipment, including the sludge storage bins, piled footings will be required. For this to happen, impact driven piling will occur in March 2018 for up to two weeks. During this period we expect that the impact piling works may cause noticeable vibrations for nearby residents. Work will be undertaken between the hours of 7.30am and 5.00 pm, Monday to Saturday.

If members of the community are interested in more detailed information about this project you are welcome to contact Nikki Brookman from TasWater and we would be happy to hold a public information session.

TasWater will provide regular updates as the project progresses.

For more information about the Ti Tree Bend STP upgrades, please contact Community Engagement
Officer, Nikki Brookman:
- 13 6992
- enquiries@taswater.com.au
- www.taswater.com.au