Types of Construction

Question 1

Type I

Answer 1

Major elements are of noncombustible material, such as concrete, masonry, or steel. Some combustible material can be used if it’s secondary/not part of the main structure.

-Can not use wood in bearing and non-bearing walls

Question 2

Type II

Answer 2

• Major elements of non-combustible
  material
• Reduction in the required fire resistance
  ratings in the major building elements
• Can not use wood in bearing and non-
  bearing walls

Question 3

Type III

Answer 3

• Ordinary type
• Brick and joist structures block walls of
  wooden roof or floor assembly, which is
  not protected against fire.

Question 4

Type IV

Answer 4

• Heavy timber
• noncombustible exterior and majority of
  interior
• Made of solid or laminated wood
• Wood Columns, beams, and girders must
  be at least 8 inches thick
  -If these types catch fire they require loads of water
• Diameter of wood needs to be checked

Question 5

Type V

Answer 5

• Heavy Timber
• Diameter of wood does not matter
• And interior can be of wood and
  combustible type material
  -

Question 6

Difference between Type I, II vs Type III

Answer 6

Type I and II are similar in noncombustible material hours rated both interior and exterior elements but Type III allows the use of wood in the interior

Question 7

Difference between Type I and Type II

Answer 7

The main difference is Type II reduces the required fire-resistance rating because the combustibility of material is less likely. Type I is more combustible than Type II a.
They have the same requirements noncombustible materials on the primary structure and interior (although Type II is a little more lenient