Guided Entry Occupancies: Class

Select the Construction Class for the occupancy.  The standard Marshall & Swift Construction Classes are:

A  Fireproof Steel Frame

B  Reinforced Concrete Frame

C  Masonry Bearing Walls

D  Wood or Steel Stud Framed Exterior Walls

H  Hoop Frame

M  Mill Type Construction

P  Wood Frame and Metal Walls (Pole Frame)

S  Metal Frame and Walls

W  Metal Slant Frame and Walls

In addition to the Marshall & Swift Classes, you can also select one of the ISO Classes.  The standard ISO Classes, together with the type of exterior walls and framing used for that class, are:

ISO Class

Wall/Framing Type

1  Frame/Combustible

Wood- or Steel-Framed Exterior Walls

2  Joisted Masonry

Masonry Bearing Walls

3  Noncombustible

Metal Frame and Wall

4  Masonry Noncombustible

Masonry Bearing Walls

5  Modified Fire Resistive

Fireproof Structural Steel Frame

6  Fire Resistive

Reinforced Concrete Frame

In addition, the following additional classes are available in Commercial Estimator to account for differences in exterior walls and framing within some ISO Classes:

ISO Class

Wall/Framing Type

1H  Frame/Combustible

Hoop Frame

1P  Frame/Combustible

Wood Frame and Metal Walls (Pole Frame)

2M  Joisted Masonry

Mill Type Construction

3W  Noncombustible

Metal Slant Frame and Walls

5B  Modified Fire Resistive

Reinforced Concrete Frame

5C  Modified Fire Resistive

Framing other than Protected Steel or Reinforced Concrete, or NO FRAME

6A  Fire Resistive

Fireproof Structural Steel Frame

6C  Fire Resistive

Framing other than Protected Steel or Reinforced Concrete, or NO FRAME

Note that all classes are not available for all occupancies.  When selecting a class for an occupancy, only the available classes display.

Use the buttons at the bottom of this screen to do the following: