Tybee Island - Initial Case Study

Customer 
Tybee Island
Location 
Tybee Island, a city and a barrier island located in Chatham County, Georgia, USA.
Area of use 
Flood protection
Problem 

Tybee Island needed reliable and functional valves to stop back flow from the ocean, whilst draining water from upstream. High tide events would lead to dry-weather flooding on streets caused by backflow in the stormwater network.  The backflow of sea water often filled the stormwater system which in turn reduced retention capacity and rendering the stormwater system useless even in normal rainfall events.  This lead to wide spread flooding in residential areas.

Solution 

A quick and easy installation of a WaStop Check Valve in a catch basin protects the lowest lying areas and critical pipes. Areas similar to Tybee Island such as Fort Lauderdale, St Augustine and Miami Beach struggle with the same kind of flooding problems. Most products on the market require considerable back pressure in order for the valve to close and stop backflow.  WaStop, however, is closed and sealed against backflow even when there is no backflow pressure thus excelling in tidal applications where pressure builds slowly.  WaStop also ensures that, as long as the differential pressure is higher than the opening pressure, the upstream water will be released even when it's high tide. With an exceptionally low headloss WaStop ensures water is released through the valve with the highest efficiency available.

Conclusion:  Wastop has prevented tidal water from entering the system and no flooding has occurred since the installation despite the recent King Tide. WaStop provides peace of mind and residents can be assured of no more dry-weather flooding.
 

Wapro-uses-wastop-inline-check-valve-backflow-preventer-in-Georgia-usa
Tybee-island-georgia-uses-wastop-inline-check-valve-solution-from-Wapro-Sweden
WaStop-ensures-water-is-released-through-the-inline-check-valve-with-the-highest-efficiency-available

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