Elite Permits

Blogs & Videos

Type II Construction

Type II Construction (IIA & IIB) Explained

In our previous video we explained Type I Construction (IA & IB). Today, we describe to you, in detail, Type II. In the upcoming weeks we will also share the other types and their characteristics so you can soon distinguish them easily! Our goal is to educate you on important aspects of the construction industry.

Our goal is to educate you on important aspects of the construction industry. We have an amazing team of professionals who want to share their knowledge with you!

Read More »
Type I Construction

Type I Construction (IA & IB) Explained

In our previous video we explained the main difference between all 5 types of construction and what A and B meant. Today, we describe to you, in detail, Type I. In the upcoming weeks we will also share the other types and their characteristics so you can soon distinguish them easily!

Our goal is to educate you on important aspects of the construction industry. We have an amazing team of professionals who want to share their knowledge with you!

Read More »
Elite Permit Favorites
Social Media

Like Us On Facebook

Explore
Stay in Touch

Subscribe to our newsletter for more updates

icon About
Exposure represents the adjustments due the characteristics of the terrain surrounding the building.

Exposure B.For buildings with a mean roof height of less than or equal to 30 feet (9144 mm), Exposure B shall apply where the ground surface roughness, as defined by Surface Roughness B, prevails in the upwind direction for a distance of at least 1,500 feet (457 m). For buildings with a mean roof height greater than 30 feet (9144 mm), Exposure B shall apply where Surface Roughness B prevails in the upwind direction for a distance of at least 2,600 feet (792 m) or 20 times the height of the building, whichever is greater.

Exposure C.Exposure C shall apply for all cases where Exposure B or D does not apply.

Exposure D.Exposure D shall apply where the ground surface roughness, as defined by Surface Roughness D, prevails in the upwind direction for a distance of at least 5,000 feet (1524 m) or 20 times the height of the building, whichever is greater. Exposure D shall also apply where the ground surface roughness immediately upwind of the site is B or C, and the site is within a distance of 600 feet (183 m) or 20 times the building height, whichever is greater, from an Exposure D condition as defined in the previous sentence.