Goshall pumping station control panel

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Client: JR Pridham Services Ltd
Location: Goshall, Stour Marshes, Kent, UK
Service division: Controls
Sector: Water

The Environment Agency (EA) are a public body whose aims are to protect and improve the environment. As part of this role, the EA are responsible for the operation of a number of pumping stations, one of which is Goshall pumping station, located in the Stour marshes in Kent. The EA have made a number of operational improvements at the pumping station, including the installation of a new remote monitoring station. As part of these upgrade works, the pumping station required a new control panel to be designed, built and installed on site.

JR Pridham Services are an EA approved contractor, offering a wide range of services that include electrical engineering, instrumentation and control. Pridhams were requested to design, build, install and commission the new pumping station control panel, the design and build component of which was subsequently awarded to AFECO to deliver on their behalf.

Due to space constraints on site the panel had to be built as two separate units, one housing the pump starter and the other housing the controls. The panels were designed, built and FAT tested to be fully compliant with the EA requirements and delivered within the allocated budget and timeframe.

The services provided by AFECO to this project included:

  • Design and build of two Form 4 panels in GRP
  • FAT testing
  • SAT testing
  • Documentation
  • CAD drawings (GA’s & schematics)

Basingstoke WwTW control panel

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Client: JR Pridham Services Ltd
Location: Basingstoke WwTW, Basingstoke, Hampshire, UK
Service division: Controls
Sector: Water

Basingstoke WwTW is a sewage treatment works with a population equivalent of 100,000 and is owned and operated by Thames Water, the UK’s largest water and sewerage company, serving a population of 14 million across London and the Thames Valley. A number of process improvements have been made at the site by Thames Water, including the installation of a new sludge dewatering facility. As part of this process, the washwater system was upgraded and as a consequence a new washwater feed pump panel was required.

JR Pridham Services are a TW approved contractor, offering a wide range of services that include electrical engineering, instrumentation and control. Pridhams were requested to design, build, install and commission the washwater panel within a 6 week programme. AFECO had previously carried out a site investigation and prepared the project brief on behalf of the Client and due to the rapid turnaround required, AFECO were commissioned by Pridhams to undertake the project on their behalf, the scope of work for which included:

  • Design and build of a Form 4 panel in 316 stainless steel
  • FAT testing and documentation
  • Site installation and commissioning

The panel was designed, built and FAT tested to be fully compliant with Thames Water F15 Package Plant Specifications. The project was delivered successfully, within the specified timeframe and budget.

Chieveley WwTW technical writing

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Client: Damar Group Ltd
Location: Chieveley WwTW, Chieveley, Berkshire, UK
Service division: Engineering
Sector: Water

Chieveley WwTW is a small rural sewage treatment works located within the Newbury area and is owned and operated by Thames Water, the UK’s largest water and sewerage company, serving a population of 14 million across London and the Thames Valley. Upgrade works have been carried out at the site which included a number of process enhancements, incorporating improvement works to the storm tanks and filter recirculation systems.

Damar Group are a construction company, appointed by Thames Water as the principal contractor to carry out the upgrade works to the site. Damar subsequently commissioned AFECO to produce the technical documentation required to enable them to design, install and commission the equipment necessary to allow the storm tanks to fill and empty as required and for the filter recirculation system to operate in conjunction with the storm tank return system. The scope of work for this project included:

  • Site investigations and liaison with site Operational staff to determine the current and desired mode of control required for the storm tank return and filter recirculation system
  • Production of a control philosophy and functional design specification (FDS) on which the plant design could be based

This work was successfully completed by AFECO, enabling Damar to carry out the work required for them to complete the project as required by Thames Water.