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Birkenhead BAFF Wash Plant Control System Upgrades

Project Description & Scope of Work


Validate and optimise the BAFF Backwash sequences for 8 cells at the Birkenhead Waste Water Treatment Works in the UK. Addition of Inlet pump to increase flow through capacity. PID tuning for Heat Exchange valves for optimum performance and run step change trials. Modify SCADA and PLC systems for status, control and trending. An assortment of other modifications were made to rectify outstanding maintenance issues especially with the Allen Bradley DH+ industrial network.


Optimise BAFF Backwash sequences. Addition of Inlet pump and tuning Heat Exchange valves.

  • PLC & SCADA Control System Modifications
  • Site Software Modifications
  • Commissioning
  • PLC Software
  • SCADA Screens Design
  • Commissioning Records
  • Historical Data Logging
  • 50 Inputs/Outputs Added or Changed
  • Allen Bradley PLC 5
  • Intouch SCADA system

Project Details

Contract No. C127
Industry Water
Client United Utilities
Consultant or EPC Purac
Country United Kingdom
Primary Service Control & Safety Systems Integration
Secondary Service Commissioning & Start-up
Start Date Jun 2003
Person Hours 500
Status Completed