Chap 14 Fire Escape Collapse

Question 0

The safest type of fire escape is

Answer 0

Exterior screened stairway

Question 1

3 classifications of fire escapes

Answer 1

1. Exterior screened stairways
2. Party balconies
3. Standard fire escape ( with mechanical street ladders )

Question 2

Positive features of the exterior screened stairway fire escape

Answer 2

Safest
Enclosed by metal screen or railing
It extends from top floor of building to the street by way of a permanent , stationary metal stair
No sliding drop ladder gooseneck ladder or counter balance stair from lowest balcony to street
It’s like an interior stair
Rise of step is similar
It’s wide enough for 2 people to descend side by side
It includes hand rails

Question 3

Negative features of exterior screened stairway

Answer 3

Constructed of metal and becomes rusted
When step becomes rusted the ff can fall the rest of the way down a flight of steps or fall through the stairs to the stairway below

Question 4

According to Dunn the hazard of party wall balconies is

Answer 4

Collapse from overloading

Or failure of the supports fastening the balcony to the outside of building

Question 5

What is the safest method to remove people from party wall balconies

Answer 5

Through the designated horizontal exits and into adjoining apt window or door

Question 6

If not possible to remove people from party wall balconies through horizontal exits ffs should

Answer 6

Use portable ladders or aerials taking special care not to strike weekend fire escape with excessive force when placing tip of ladder on the FE

Note : cross ref to aerial ladders says nothing about placing aerial ladder on the FE