Tybee Island - Initial Case Study

Tybee Island| Tybee Island, a city and a barrier island located in Chatham County, Georgia, USA.| Flood protection

The problem

Tybee Island, a coastal gem, urgently required efficient and dependable backflow prevention solutions to combat the challenges posed by the ocean's tides. With high tide events, the community faced the recurring issue of dry-weather street flooding, a direct result of backflow disruptions within the stormwater infrastructure.

This seawater backflow would inundate the stormwater system, significantly diminishing its retention capacity.

As a result, even during standard rainfall scenarios, the compromised stormwater system would falter, leading to extensive flooding in residential zones.

To address this, the island sought state-of-the-art valves, optimized for both performance and durability, to ensure seamless drainage from upstream areas while effectively preventing ocean backflow.

This strategic approach aimed to bolster Tybee Island's flood resilience, safeguarding properties and enhancing the overall quality of life for its residents.

Wastop Backventil

Solution

WaStop® Inline Check valve

The implementation of the WaStop Check Valve in catch basins offers a swift and straightforward solution to safeguard the most vulnerable and low-lying regions, as well as crucial piping systems. Coastal cities like Tybee Island, Fort Lauderdale, St Augustine, and Miami Beach grapple with analogous flooding challenges.

While the majority of products in the market necessitate significant back pressure to close and halt backflow, WaStop stands out. It remains closed, offering a watertight seal against backflow even in the absence of backflow pressure, making it particularly effective in tidal scenarios where pressure accumulates gradually.

Furthermore, WaStop guarantees that upstream water is discharged, provided the differential pressure surpasses the opening pressure, even during peak tides. With its remarkably low headloss, WaStop ensures optimal water release efficiency.

**Conclusion:** Since the integration of WaStop, tidal waters have been successfully barred from infiltrating the system. Remarkably, even during the recent King Tide, the area remained flood-free. WaStop instills a sense of security, assuring residents that the days of dry-weather flooding are behind them. This innovative solution not only enhances urban resilience but also significantly improves the quality of life for coastal communities.

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