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Horsley Water Treatment Works Upgrade

A £46M project to upgrade Horsley WTW has now reached a key milestone. We have selected our partners, a joint venture partnership with Doosan Enpure and Interserve Construction, to upgrade the treatment works.

Start Date

March, 2016

Estimated End Date

August, 2019


NW, MWH, Interserve Construction

Update by Geoff Joyce

Hi everyone

I had some holidays over the last fortnight, hence this update covers the previous two-week period.

Backfilling operations have commenced around the Rapid Gravity Filter walls to the south end of the site. Another couple of weeks and all the good work will be hidden from view. Mechanical installation continued in the Actiflo building at the north end of the site. Cladding operations continued to the walls of the Actiflo building also.

Excavation works continued to the new Birney Hill Pumping Station at the south-east corner of the site. This part of the work is now complete and ready for blinding concrete to be placed in readiness for reinforced concrete works to commence.

See photos attached.



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