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Ernesettle Sewage Treatment Works

Project Location:

Ernesettle, Devon

Client Name:

South West Water

Project Description:

OCU delivered the installation of a new sludge dewatering plant at Ernesettle Sewage Treatment Works in Devon for South West Water.


The project involved the installation and integration of a new centrifuge system alongside lime and poly dosing equipment to enhance sludge treatment and operational efficiency. Works were delivered within a live operational treatment works environment, requiring close coordination with site operations teams to maintain ongoing treatment activities throughout construction and

commissioning.

Key Stats:

  • Installation of new sludge dewatering centrifuge

  • Lime and poly dosing systems integrated into treatment process

  • Improved sludge handling efficiency, and operational performance

  • Works delivered within a live operational treatment works

2 Years

Duration

Challenge

  • Procuring specialist dewatering plant and process equipmentwithin programme timescales

  • Coordinating multiple specialist subcontractors and suppliersacross installation and commissioning phases

  • Managing delivery and integration of critical equipment within a live treatment works environment

  • Maintaining safe operations and uninterrupted treatment activities throughout construction

  • Controlling programme delivery while managing complex logistics, supplier interfaces and installation sequencing

Solution

  • Worked closely with South West Water operational teams to coordinate all phases of delivery and minimise disruption to site activities

  • Managed procurement, supplier coordination and installation of centrifuge and dosing systems through proactive planning an programme control

  • Implemented structured programme monitoring and procurement tracking to mitigate delivery risks and maintain progress

  • Applied a collaborative delivery approach between OCU, operational stakeholders and specialist suppliers throughout the project

Outcome

  • Successfully delivered a modernised sludge dewatering plant to support improved treatment operations

  • Integrated new lime and poly dosing systems to enhance sludge conditioning and dewatering performance

  • Maintained continuous treatment operations throughout the programme with no disruption to site ctivities

  • Improved reliability, operational control and long-term efficiency of sludge management processes

  • Delivered the scheme safely and in line with programme and client requirements

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