C673 - Blackburn Town Centre UID's

United Utilities

The project objective was to resolve five unsatisfactory intermittent discharges (UID's) into the River Blakewater.


Reconstruction & Refurbishment

Works included the construction of a 20m ID 22m deep detention tank as a segmental shaft, 2No. new large RC CSO structures up to 11m deep in temporary sheet piled cofferdams, tunnelled transfer sewers to 1500mm ID & associated shafts / piled pits, open-cut drainage, manholes and all associated MEICA (CSO screens, pumps, rising mains, control equipment, etc). All works were undertaken in an urban area requiring extensive PR activities.

Study Project Date  
C750 - Sankey Brook UID's, Warrington 21/10/2013
C673 - Blackburn Town Centre UID's 01/11/2012
C627 - Accrington Tank UID 01/08/2011
C521 - Flood Alleviation Works, Llanrwst, North Wales 01/09/2009
C526 - Leigh & Glazebury WwTW Storm Tanks 01/03/2008
C507 - New Brighton Pumping Station & UID, Wirral 01/11/2007
C481 - M60 Petrol Interceptor (CMF Framework) 01/04/2007
C442 - Culvert Rehabilitation Scheme at Higher Dunscar, Bolton 01/06/2006
C457 - Replacement of Swaythling to Bitterne Water Main, Southampton 01/04/2006
C410 - Hoylake UID's, AMP3 Year 5 01/09/2005
C426 - Minewater Treatment Facility at Hockery Brook 01/08/2004
C375 - Croal UID's - Thompson Road Pumped Storage Tanks 01/04/2004
C372 - Runcorn UID's - ICI Saltworks Pumping Station & CSO 01/02/2004
C250 - Kelvin Valley Sewer, Stage 2 Phase 3 01/06/2001

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