Related Links: QR Codes Unlocking Secrets of NYC Building Permits NYC Dept. of Buildings Website New York City's Dept. of Buildings has become a hub for apps that help users access building information with their smart devices.The latest release from the DOB's Digital Hub division is a free app that lets users look up information on nearly 1 million properties throughout the city's five boroughs.Available for Apple and Android devices, the app features a basic menu of search functions. After a user types in a building's address and borough, the app pulls up information such as the lot number, building
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.