Historically the most commonly adopted method of protecting multiple properties at risk of internal flooding through surcharge on the public sewer, has been to interrupt the natural flow with a Pumping Station. The collecting and pumping of domestic and commercial waste water, has long been seen as the only way to guarantee the prevention of backflow or backwater, until now.The IPS Kessel “Hybrid Drainage Systems” Ecolift XL, provides an alternative, greener, more environmentally sustainable solution, removing the need to pump every last millimetre of waste water, whilst reliably protecting a building from damage during flood conditions.How?Harnessing the natural gradient designed into the pipe network under normal conditions, the