City investigators now must sort through competing technical narratives as they attempt to determine what went wrong at one ...

Engineer Christopher Behan said reinforcing steel was never installed, despite plans that explicitly called for it.

The steel-framed building formerly held offices for Pfizer, but is now being renovated into luxury residential housing, ...

A Gothamist review of city-approved plans show that columns below a major expansion of the existing structure were to be reinforced.

Drawings obtained by The New York Times show the columns called for additional steel plates, but engineers reviewing site ...