Updated : 04/22/2024
Overview
Rapid City, SD, adopted the 2018 IBC (appendices B, C, I , J) and IRC (appendices E, H, K) with amendments. Rapid City, SD, Municipal Code § 15.12.010 (adopt IBC with amendments), § 15.13.010 (adopted IRC with amendments).
Helpful resources for Rapid City, South Dakota include the following.
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.
Rapid City adopted the 2018 IRC, statewide. 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: yes
Ice Barrier
Are ice barriers required for Rapid City ? Yes
Citation: 15.13.070 IRC Chapter 3, Table R301.2(1) Climatic and geographic design criteria–Amended.
Municipal Code
https://codelibrary.amlegal.com/codes/rapidcity/latest/rapidcity_sd/0-0-0-82713Comments:
TABLE 100-B CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Ground Snow Level
|
Wind Speed
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Seismic Design Category
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Subject to Damage From
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Winter Design Tempe rature
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Ice Barrier Underlayment Required
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Flood Hazards
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Air Freezing Index
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Mean Annual Temp
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Weathering
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Frost Line Depth
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Termite
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42 psf1
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115 2
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footnote 3
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Moderate
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42"
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None to slight
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-7
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yes
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June 3, 2013 with revisions
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1548
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48°F
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1 The ground snow load for Rapid city shall be 42 psf and as per ASCE 710.
2 Wind loads shall be in accordance with Chapters 26 to 30 of ASCE7-10 and shall be based upon the Occupancy Category of the building under design. Buildings shall at a minimum be designed to Occupancy Category II having an ultimate wind speed velocity of 115 mph.
3 Seismic loads shall be in accordance with Section 1613 of IBC 2018 and ASCE 7-10. In the absence of specific site information, the building shall be designed in accordance with the following:
Short Period Acceleration (Ss) = 0.125g
1-Second Period Acceleration (S1) = 0.043g
Site Class = D
|
Comments
Rapid City, SD, adopted the 2018 IRC with amendments. Rapid City, SD, Municipal Code § 15.13.010 (adopted IRC with amendments).
Existing Buildings
Existing buildings, meaning buildings that were built in accordance to code at the time of
construction, typically merit extra consideration in a current updated code.
Existing building requirements would include those stated in the 2018 IRC and the adopted 2018 IPMC. Rapid City, SD, Municipal Code § 15.14.010 (adopted IPMC with amendments).
Commercial Building Code
Rapid City adopted the 2018 IBC, statewide. 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
Rapid City, SD, adopted the 2018 IBC (appendices B, C, I , J) with amendments. Rapid City, SD, Municipal Code § 15.12.010 (adopt IBC with amendments).
Existing Buildings
Existing building requirements would include those stated in the IEBC and the adopted 2018 IPMC. Rapid City, SD, Municipal Code § 15.12.070 (refernce to IEBC), § 15.14.010 (adopted IPMC with amendments).
Other Building Codes
The following codes were also adopted by the city:
- 2017 NEC. Rapid City, SD, Municipal Code § 15.16.010.
- 2012 NFPA 73, Residential Electrical Maintenance Code for One and Two Family Dwellings. Rapid City, SD, Municipal Code § 15.16.010.
- 2018 IFGC. Rapid City, SD, Municipal Code § 15.22.010.
- 2018 IMC. Rapid City, SD, Municipal Code § 15.26.010.
- 2015 Unfiform Plumbing Code. Rapid City, SD, Municipal Code § 15.24.010.