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Thames Water Partnership 

Pump Technical Service first became involved with FLIP in 1996.

TW set up a dedicated design team to test and evaluate reliable and cost effective methods of flood prevention from surcharged sewers.

A Compli 400 unit was selected for testing as PTS-Jung had already supplied a large number of these to the private sector, for this very purpose.

In December 1996 the TW research team visited our factory in Germany to assess the production and quality control measures in place.

Intensive testing began in February 1997. The Compli unit, along with a range of competitors equipment was installed in a purpose made test rig that diverted a steady inflow of unscreened sewage directly from the incoming sewer into the treatment works. 

The units were all connected to an outgoing manifold that simulated a surcharged gravity sewer.

Of all the units on test, only our Compli unit passed with flying colours and proved capable of both handling unscreened raw sewage and overcoming the discharge pressure in the simulated surcharged sewer. The equipment remained on test for over a year.

As a result of the Compli’s success these units became the equipment of choice for Thames Water and field trials were then undertaken in South West London.

These trials also proved successful and by the spring of 1999 40 units had been installed. 

By spring 2000 this had increased to 400 units and now exceeds well over 3000 to TW alone.

Other Water Authorities such as Southern Water, Welsh Water and Wessex Water have followed Thames Water’s initiative and are currently running similar projects involving several hundred more units.

In 2013 Pump Technical Services Limited applied to carry on its status as official provider to Thames Water through the AMP6 period.

To ensure impartiality, value for money and quality, Efficio worked to find the best company and product for the FLIP project completely from scratch and many companies were competing for this. This meant that we at PTS/Jung could not rely on just our past record but had to show that going forward our Compli systems are still the best fit for Thames Water compared to many of our competitors.

Having once again proven value for money, quality and the best solution to surcharging sewers, we at PTS/Jung have been selected under FA1169 to be the official supplier of FLIP anti-flooding pump systems throughout the entirety of AMP6 and hopefully beyond.