New Park Avenues air rights holes (over rail tracks), the new Grand Central Terminal and Grand Central Districts first Skyscrapers. Circa 1914 looking southwest from East 50th street.
Art Deco office and hotel skyscrapers surrounding old Park Aves old residential district in this view looking north from the top of New York Central Building 1943.
Pneumatic caisson foundations were sunk through quicksand and hardpan to bedrock at about minus 95 feet, a depth said to have exceeded that of any other building in the city except for the nearby Mutual Life Building, where the caissons were at the same depth. The steel frames wind bracing, crucial in a relatively slender tower, utilized spandrel girders 36 inches deep to the fifth floor and 24 inches deep above, portalbrace connections, and solid triangular gusset plates at all the column-girder connecions.
Pics from the Demolition from the old Gillender Building and Construction from tne Bankerstrust Building. Demolition Pics from Hannover National Bank Building 1931 to the finished Bankers Trust Annex Building 1932.
