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Stop Water I&I

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Homeowners in NYC Struggling to Control the Flooding

09-12-2011

Homeowners around route 209 in Wawarsing are still trying to push the floodwaters out of their homes. The residents have taken a battering by both a man made flood and a natural one. Since Hurricane Irene and Tropical Storm Lee have swept across New York City and the Gulf Cost, they have left devastation in their path. Major flooding problems have been caused by the disaster since their strike and the homeowners in the affected areas are currently trying to save what they can.

However this is not the main cause of the flooding in Wawarsing, water has been coming from a series of cracks in New York’s Delaware Aqueduct tunnel. This huge tunnel was built to take water from the Rondout Reservoir through the Chelsea Pump Station, the West Branch Reservoir, and the Kensico Reservoir, ending at the Hillview Reservoir in Yonkers, New York. It carries half of the cities water supply which is an estimated 1.3 billion US gallons per day. The Delaware Aqueduct leaks around 36 million gallons a day causing the houses that are built above the tunnel to flood.

The homes started flooding on August 26th, two days before the hurricane, this is because New York City started to push millions more gallons through the tunnel so that there would be room for all the storm water that they were awaiting to drop in to the Rondout Reservoir. Flooding worsened as they continued to push an average of 400 million gallons a day down the aqueduct.

After the hurricane had hit, all the homeowners electricity had been cut off. This furthered the problems as they were relying on electric pumps to get all of the water out of their basements. The Environmental Department in the city provided the homes with pumps powered by gas so that they could continue to get rid of the water that was spilling in to their homes. However there was only two provided and one had a broken intake hose, so the pump had to be passed around quickly to help out many affected homes.

Residents and victims of the flooding went to Ulster County to try and get a state sanctioned buyout which would result in the state voluntarily buying the damaged homes, however this will cost the state around $7 million. New York City is expecting to seal the leaks as part of a tunnel-fix project that will be completed in 2021.

This kind of project requires a sealant like SealGuard II, it is a dual component hydrophobic polyurethane with a 1 to 3 second reaction time. It is designed to stop extremely fast flowing water in the excess of 50 gallons per minute. This scale of water sealing needs a strong and durable sealant that will withstand the excessive amount of water that flows through. 

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