Articles & Case Studies

Verder Brings Bishopthorpe Palace Back into the 21st Century

Posted: Tuesday 22nd December 2009

Verder, the specialist pumping solutions supplier, has completed an entire pump replacement project at the Bishops Palace, the historic home of the Arch Bishop of York. Mike Heap, Sales and Marketing Director of Verder explains: “The estates office of the Bishops Palace identified that the old pumping station serving the building had become unreliable and difficult to maintain. The existing system used a traditional air ejector system whereby the effluent from the estate was collected at a low point alongside the river Ouse and blown up to the gravity sewer using a compressed air charge.

“This is a traditional method used in the 1950’s and 60’s and whilst reliable has been overtaken by new equipment and modern submersible pump technologies.

Submersible pumps offer a simple, modern solution, but the change from a below ground ejector system to a submersible pumped system presented significant challenges in this sensitive location. Noise and disturbance were key concerns too as well as the need to maintain the sewage system at all times. These challenges, along with the need for civil and pipe work modifications, resulted in several pumping companies refusing to take the project on.

“Gordon Smith at the estates office approached Verder and a proposal was agreed whereby Verder would take responsibility for the whole project. This included the removal of the existing equipment, the provision of over pumping using a Verderflex VF40 peristaltic pump and modification of the structure to accommodate the submersible pumps – including replacing the cover slab and increasing the height of the slab above the local flood level. Once all the civil works were complete and the structure cured, the old dry well was benched out, the submersible pumps installed and the chamber flooded to form a new wet well installation.

“To complete all the work in the given time we worked longer days and some weekends, all the while observing the need to remain quiet during periods of prayer. Thanks to the commitment shown by the whole team, the entire project was completed ahead of schedule with no disruption or inconvenience to the residents of the Palace.”

T: 0113 222 0250

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