Ch 20 Why The World Trade Center Towers Collapsed Flashcards
What is considered the weak link in today’s high-rise buildings? p. 279
Floor construction
How many FDNY members were killed in the World Trade Center buildings terrorist attack? p. 271
343
Where were the vertical columns located in the twin towers? p. 272
Core area
What was the first fire in New York that spread from floor to floor in a fire resistive building? p. 281
One New York Plaza fire
What is the minimum frequency that total building evacuation drills should occur in high-rise buildings? p. 286
Annually
Which type of elevators should building codes require in high-rise buildings? p. 278
Phase III
Which building in America is considered by many as the most fire-safe? p. 274
Empire State Building
Which part of the twin towers was load bearing? p. 272
Exterior Walls
What is a major obstacle impeding effective firefighter radio transmission? p. 289
No standard for fire department radio transmission
What route is also known as auto-exposure in the high-rise structure?
p. 282
Window to window
What was the major structural damage at the 1970 One New York Plaza fire? p. 284
Floor collapse
Where should a fire command system be in the high-rise building? p. 289
Lobby
What is used to enclose the elevators and utility shafts in the Empire State Building? p. 274
Masonry
Who is responsible for fires when terrorism is suspected in New York City under CIMS? p. 290
Police officers
What used to be the goal of a fire-resistive building? p. 282
Confine fire to one floor
