CHAPTER 4

Question 0

The most common type of masonry wall collapse

Answer 0

90 degree collapse

Question 1

The 3 ways a masonry exterior building wall may collapse

Answer 1

90 degree
Curtain fall
Inward-outward

Question 2

Can a master stream be operated inside the collapse zone

Answer 2

Only if absolutely necessary

Leave the master stream unattended

Question 3

As a general rule what is the distance of the collapse zone

Answer 3

The height of the wall. This can be increased to 1 1/2 to 2 times the height of the wall if ordered by the IC based on fear of explosion or a timber truss roof triggers the wall collapse

Question 4

A facade includes

Answer 4

Front of the building
Parapet wall
Marquee
Canopy
Cornice

Question 5

A canopy is more of a collapse danger than a

Answer 5

Marquee