WASTOP ® PROTECTING AGAINST FLOODING IN NEW PLYMOUTH, NEW ZEALAND WITH WASTOP DN1400 Location: New Plymouth, New Zealand Customer: New Plymouth City Council PROBLEM: High river levels forcing its way back up the outfall was causing ooding in New Plymouth. SOLUTION: A WaStop DN1400 was
tted to a stormwater outfall to prevent ooding caused by high river levels back owing up the outfall. According to the
tters, City Care New Plymouth, the installation was smooth and swift, and they used a digger to lower the WaStop into position. The existing pipe was DN1600, so to meet the customers requirements and reduce the pipe diameter to DN1400, an adapting ange in PE was produced.

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