WASTOP ® PROTECTING WARSAW POLAND FROM FLOODING WITH WASTOP DN1200 Location: Warsaw, Poland Customer: Warsaw City Council PROBLEM: The Vistula (Polish: Wisla) is the longest and largest river in Poland, at 1/047 kilometres (651 miles) in length. Major oods in 2010 caused by heavy rain and rapidly melting snow in the mountains forced riverside towns and cities to race to sandbag streets and buildings along its banks. In Krakow, the mayor declared a state of emergency after the river passed the high-water mark at 74 cm above average. The following day the river swelled to 300 cm above ood level. Luckily, the massive stone bulwarks lining the river held
rm but this meant that most of the water was channelled past the city, instead ooding other cities downstream. In some cases, the oodi

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