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  • Installation of approximately 660m of watermain to connect a commercial customer (Alexion) to the water network.
  • Preferred design includes trenchless technology, open cut trenching and lift and lay installation methods
  • Provision of a radio link to instruct the customer to retain sewer flows while the 9C sewer is in flood

Zero waste

The preferred construction methodologies were selected for a number of reasons, including the reduction of waste materials generated from the construction works. The trenchless installation where possible will ensure the existing pipework and associated bedding materials, backfill and road surface remain undisturbed during and after the project.

Furthermore, we have opted wherever possible to install the new main along an existing alignment, meaning the footprint of the works is clearly defined and minimized.

Finally, the works will be programmed to minimise traffic disruption and associated increases in emissions of harmful gases.

Sustainable Materials

The proposed pipeline will be fully welded PE pipe. This material is selected due to its demonstrated long service life with minimal maintenance and repair requirements. As a result, there will be material and energy savings over the life of the pipeline.

Sustainable Water

The Alexion project involves the provision of a resilient, clean water supply to a customer in the Blanchardstown area. The new main has been upsized to allow for more customers to connect in future without the need to construct a new water main. This significantly reduces the scope of construction works required in future.

The project also includes provision for the reduction of flooding along the 9C sewer. Telemetry will be provided to ensure that no discharges will be made to the sewer during times of flood events. Retaining flow at this time will ultimately reduce instances of the overwhelmed 9C sewer overflowing to surrounding watercourses.

Equity and Local Economy

The works facilitate the development of the Fingal area particularly within the pharmaceutical sector. This encourages organic growth of a specialist workforce in the locality. Over the long term, the upsizing of the water main facilitates further economic development in the area, with associated socio-economic benefits.

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st teresa's gardensomeath sewerage scheme