When Superstorm Sandy struck the East Coast in fall 2012, Margaret and Bob Bombara were in the middle of planning their long-awaited beach house on Long Island’s North Fork. The disaster, which flooded their main home in Queens, gave them pause. For architect John Berg, it underscored a vital fact—the Bombaras’ vacation house would need to be able to stand up to high wind, heavy rain, and intense storm surges.