Updated : 04/22/2024

Overview

Brookings, SD, adopted the 2009 IBC and IRC with amendments. Brookings, SD, Municipal Code § 22-31 (adopt and amend IBC and IRC).

Helpful resources for Brookings, South Dakota include the following.

• PLRB, Ordinance and Law Coverage Discussion for South Dakota

Residential Building Code

South Dakota has yet to adopt a statewide residential code. Local laws will control.See PLRB, South Dakota Building Codes for more information on state level codes.

Brookings adopted the 2009 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

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Drip Edge

Drip Edge: No

Ice Barrier

Comments

Brookings, SD, adopted the 2009 IBC and IRC with amendments. Brookings, SD, Municipal Code § 22-31 (adopt and amend IBC and IRC).

Section R301.2(1) Climatic and Geographic Design Criteria, is amended as follows:

1.Ground Snow Load …..40 psf contour

Roof slopes with a rise of three inches (76.2 mm) or less to 12 inches (305 mm) shall be designed for a full or unbalanced snow load of not less than 30 pounds per square foot (1.44kN/square meter) of horizontal projection. Where a roof system is designed to slope less than one-quarter inch (6.35 mm) per 12 inches (305 mm), a surcharge load of not less five pounds per square foot (0.24kN/square meter) in addition to the required live load due to snow shall be designed for.

Roof slopes with over three inches (76.2 mm) of rise per 12 inches (305 mm) shall be designed for a full or unbalanced snow load of not less than 25 pounds per square foot (1.2kN/square meter) of horizontal projection.

Potential unbalanced accumulation of snow at valleys, parapets, roof structures, and offsets in roofs of uneven configuration shall be considered.

2. Wind Speed …..90 mph

3. Seismic Design Category A

4. Weathering …..Severe

5. Frost Line Depth …..42 inches (1,067 mm)

6. Termite Damage …..Slight to Moderate

7. Winter Design Temperature …..-11 Degrees Fahrenheit

8. Ice Barrier Underlayment Requirement …..Yes

9. Air Freezing Index …..3,000

10. Mean Annual Temperature …..46 degrees Fahrenheit

Commercial Building Code

Brookings adopted the 2009 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

Auto Search - beta:

No results were located with the automated search.

Comments

Brookings, SD, adopted the 2009 IBC and IRC with amendments. Brookings, SD, Municipal Code § 22-31 (adopt and amend IBC and IRC).

Existing Buildings

Brookings, SD, adopted the 2009 IEBC, which may be used as an alternate to Chapter 34 of the 2009 IBC.

Other Building Codes