Coleshill Waste Water Treatment Works Control System Upgrade

Upgrade the control system for timed control of Limitorque de-sludging valves with status feedback to HMI.

Project Details

  • Contract No. C079
  • Primary Service Construction & Commissioning, Detailed Design & Engineering, Implementation
  • Industry Water Treatment
  • Secondary Service As Built Documentation, Control Systems Engineering, Factory & Site Acceptance Testing, Pre-Commissioning & Commissioning, Projects Plans Procedures Specifications & Detailed Designs, SCADA HMI System Engineering, Start Up Audit Start Up & Process Optimisation
  • Client Severn Trent Water
  • Start Date Feb 1997
  • Consultant or EPC Purac
  • Contract Value ($) 10000
  • Project Location Coleshill, Birmingham, B46 2AJ, United Kingdom
  • Person Hours 330
  • Execution Office Birmingham, United Kingdom
  • Status Completed

Scope of work

    Control system upgrade for addition of controls decanting value to settlement tanks.


  • Limitorque Control System Modification
  • Site Software Modification
  • Site Panel Modifications
  • Site Testing
  • Commissioning
  • Conduct Start-up


  • Limitorque Controller Software Modifications
  • HMI Screens Modifications
  • IO Testing Records
  • Alarm & Trip Settings
  • Commissioning Records

Technical specifications

  • 50 Inputs/Outputs Addition & Changes
  • Limitorque Controllers
  • HMI Panel Display