Ch 19 Buildings Under Construction, Renovation and Demolition

Question 1

There are two types of hoist on the job site what are they? Pg 484

Answer 1

One for people and one for materials and equipment only

Question 2

Older buildings undergoing demolition pose an extra hazard to fire fighters asbestos abatement. This is common before what year? Pg 485

Answer 2

1975

Question 3

OS&Y are found where? Pg 486

Answer 3

150 ft of building height (every 15 floors in residential buildings, every 10-12 in commercial buildings

Question 4

What are tilt slab buildings? Pg 487

Answer 4

In which huge slabs of poured concrete are erected as the exterior walls.

Question 5

When fireproof coatings or membranes are missing what happens? Pg 487

Answer 5

Steel may be exposed to rapid rises in temperature, which can lead to failure.

Question 6

One of the most dangerous buildings in the US to fight a fire is what? Pg 491

Answer 6

Vacant building

Question 7

The firefighter death rate at a vacant building fireis more than how many more than a occupied residential building? Pg 491

Answer 7

3-5 times

Question 8

A empty square near the entrance means what? Pg 492

Answer 8

The building is of normal structure stability

Question 9

A box with a line drawn diagonally through it means what? Pg 492

Answer 9

Some Serious hazard, such as holes in the floor and signals that all operation should be conducted from the exterior if possible.

Question 10

A building marked with an X means what? Pg 492-493

Answer 10

Building with severe hazards

Question 11

What is used by the FDNY to mark vacant buildings? p. 492

Answer 11

Painted square

Question 12

How many floors may need to be laddered if the fire occurs at a construction site after working hours?
p. 483

Answer 12

One

Question 13

Where should the stream be applied first when battling fire in a building under construction? p. 483

Answer 13

Upper floor

Question 14

Which fire protection system should be present within two floors of the highest level under construction?
p. 486

Answer 14

Standpipe riser and outlets

Question 15

What is the stream of choice at buildings under construction when the fire can be reached? p. 482

Answer 15

Elevated platform

Question 16

What is being removed from the concrete that causes spalling? p. 490

Answer 16

Water

Question 17

Which is NOT correct about buildings under construction? p. 482

Answer 17

Power is left on overnight to allow for security lighting

Question 18

Which part of the hung ceiling often is not installed until much of the rest of the construction is completed and the occupants have begun moving in?
p. 487

Answer 18

Tiles

Question 19

How many more times the number of firefighter deaths occur in vacant buildings than in occupied residential
buildings? p. 491

Answer 19

3-5 times

Question 20

What is done to protect the tensioning cables once the concrete has hardened and the cable ends are cut off? p. 488

Answer 20

Concrete is poured over the ends

Question 21

Approximately what amount of time must pass before the poured-in-place reinforced concrete building can support its own weight? p. 488

Answer 21

48 hours

Question 22

What should be done when fighting fires in areas where LP cylinders are present? p. 485

Answer 22

Use large streams from shielded locations

Question 23

What type of strength do the cables embedded in pretensioned concrete provide? p. 488

Answer 23

Tensile

Question 24

What is the easiest way to determine if a hoist is for transporting people at a construction site? p. 484

Answer 24

Controls inside the car

Question 25

What type of standpipe system will be present in most buildings under construction, at least temporarily?
p. 486

Answer 25

Nonautomatic dry

Question 26

Approximately how many days does it take concrete to reach its greatest load-carrying capacity? p. 489

Answer 26

28

Question 27

What distance are the 4X4 posts placed in each direction to support the weight of the concrete in poured-in-place reinforced concrete buildings? p. 489

Answer 27

4 feet

Question 28

At what interval are the riser sectional valves usually found in commercial buildings? p. 486

Answer 28

10-12 floors

Question 29

What is seen on a building that is vacant and has severe hazards? p. 492-493

Answer 29

Square with an “X” in it

Question 30

What type of force is being exerted on the wall when it is load-bearing?
p. 487

Answer 30

Compressive

Question 31

Which is one of the most dangerous buildings to operate in in the United States? p. 491

Answer 31

Vacant buildings

Question 32

In which type of building is the most serious collapse threat found while it is under construction? p. 488

Answer 32

Poured-in-place reinforced concrete

Question 33

Which outlet should fire-arriving units test for water at a building under construction or demolition? p. 486

Answer 33

First floor

Question 34

High-rises built before what year will have an added hazard of asbestos exposure? p. 485

Answer 34

1975