3- 20 Lightweight Construction

Question 1

What SOG is this SOG an extension of?

Answer 1

3-24 Structure Fires

Question 2

What does “lightweight construction” refer to? (2)

Answer 2

1. structural systems/ assemblies that are fabricated from components that have substantially less mass than traditional construction methods
2. lightweight components may be assembled from various combos of combustible and non- combustible materials, including wood and steel.

Question 3

What are some examples of lightweight construction used in place of solid sawn lumber? (2)

Answer 3

1. lightweight trusses

2. wood I beams

Question 4

What SOG should initial response follow the procedures of?

Answer 4

SOG 3-24 Structure fires

Question 5

What are responsibilities of on-scene personnel in regards to lightweight construction? (2)

Answer 5

1. determine presence of light-weight construction

2. ensure IC is aware of lightweight construction

Question 6

What should be assumed if IC thinks building was built post- 1970?

What should be assumed if building was built post- 1990?

Answer 6

• assume that engineered roof trusses are present

- assume light weight flooring is present

Question 7

What shall IC undertake upon discovery/confirmation of involvement of lightweight construction in a fire?

Answer 7

a Hazard Risk analysis to ensure safety of personnel is maintained