As a result, FEMA and city officials say, New York could be an example for other places around the country. The new models, for coastal areas stretching from Cape May to the Hudson Valley, will be used to shape the city’s future zoning, development and building standards to help it become more sustainable. New York will be the first major metropolis to be remapped taking into account the realities of climate change, like rising sea levels and increasingly powerful storms. For flood depths of less than 5 feet, the minimum elevation required for all new construction is 3 feet above the highest adjacent grade or the Base Elevation of the AR Zone, whichever is lower 2. It is a painstaking process that will affect tens, if not hundreds, of thousands of people, determining how and where buildings can be constructed and the cost of flood insurance on everything from modest bungalows to luxury skyscrapers. For areas not designated as developed areas within the AR Zone, the following elevation requirements apply: 1. Now, after a year in which hurricanes ravaged Houston and the Caribbean, the Federal Emergency Management Agency is substantially redrawing New York’s flood maps for the first time in three decades. The NFIP will not remove land from the floodplain based on the placement of fill in alluvial fan flood. Construction in SFHAs subject to alluvial fan flooding (designated Zone A0 with depths and velocities shown on FIRMs). Hurricane Sandy, the devastating October 2012 storm, did $19 billion in damage to the city, and the pace of development along the water has only increased. This project is part of FEMAs nationwide risk MAP (Mapping, Assessment, Planning) effort which. FEMA’s Coastal Construction Manual (FEMA 55) and in NFIP Technical Bulletin 5, Free-of-Obstruction Requirements. With its 520 miles of coastline and thousands of acres of waterfront development, New York has more residents living in high-risk flood zones than any other city in the country.
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