Thames Water INTREPID Thames Water engineers have cleared almost 20km of sewers in Reading over the last year, helping protect customers and the environment from flooding. The underground pipes, stretching the equivalent of five loops of the IDR, have been swept since April last year using a range of techniques, from hi-tech camera technology as part of the company’s digital revolution to hand tools on the most stubborn blockages. The work was part of a record cleaning programme across the Thames Valley and London, which saw 1,500km of sewers inspected and cleared to ensure they can ...