Chapter 16 Collapse Hazard Of Buildings Under Construction

Question 1

Were some of the dangers of half finished structures

Answer 1

entrapment disorientation falls, falling objects, burns, collapse, rapid fire spread, explosions

Question 2

what type of structures kill more firefighters than any other types of occupancies

Answer 2

special occupancy structures

Question 3

cranes collapse most often when they are

Answer 3

overloaded, move, assembled, or disassemble, not during fires

Question 4

during a fire in a building under construction where Crane operator is trapped in the cab, what should be done to mitigate

Answer 4

master stream should be used to protect operator

Question 5

what type of concrete structure presents the most serious firer and collapse hazard

Answer 5

cast in place concrete structures

Question 6

what are the two types of concrete spalling and experience during a fire

Answer 6

1. explosive spalling

2. dropping spalling

Question 7

shanties are required to be noncombustible construction and to be at least ___ from the building under construction

Answer 7

30 feet

Question 8

concrete framework used by workers as columns, girders and beams are called__, ___, and ___ by workers

Answer 8

legs stringers and ribs

Question 9

what is the collapse hazard for scaffolding

Answer 9

tools construction materials and scaffolding itself

Question 10

why must firefighters only use the hoist design for personnel

Answer 10

the equipment hoist has no safety breaks in the flames weaken the supporting cable during fire it will drop to the ground