Updated : 04/22/2024

Overview

Polk City, IA has adopted the 2012 International Codes, with amendments, including the 2012 IRC and IBC. Polk City, IA Muni. Code § 155.05 (adoption and amendments).

Helpful resources for Polk City, Iowa include the following.

• PLRB, Ordinance and Law Coverage Discussion for Iowa

Residential Building Code

Iowa adopted a model state residential code but it is not in force unless adopted locally.See PLRB, Iowa Building Codes for more information on state level codes.

Polk City adopted the 2012 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: yes

Ice Barrier

Are ice barriers required for Polk City ? Yes
Citation: § 155.05
Municipal Code https://polkcityia.gov/file.axd?file=/2019/02/Polk%20City%20Code%20December%202018%20Supplement.pdf#page=326
Comments:

Table R301.2(1), Climatic and Geographic Design Criteria

Ground Snow Load: 30 PSF

Wind Design: Speed MPH – 90, Topographic Effects – NO

Seismic Design Category: A

Subject To Damage From: Weathering – Severe, Frost Line Depth – 42",  Termite – Slight/Moderate

Winter: Design Temp –  -5º F, Ice Barrier Req'd – Yes

Flood Hazards: NFIP Adoption – 16-May-83

Air Freezing Index: 1833

Mean Annual Temp: 48.6

Government Officials

Comments

Polk City, IA has adopted the 2012 IRC including appendix G. Polk City, IA. Muni Code § 155.05.

Subsection R313.1 Amended – Townhouse Automatic Fire Sprinkler Systems. Subsection R313.1 Townhouse automatic fire sprinkler system, of the IRC, is hereby amended by deleting said subsection and inserting the following in lieu thereof (exception remains unchanged):

Subsection R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses containing more than 12 (twelve) dwelling units, and not exposed on two sides, refer to 175.23 subsection R302.2A.

Subsection R313.2 Amended – One- And Two-Family Dwellings Automatic Fire Systems. Subsection R313.2 One- and two-family automatic fire sprinkler systems, of the IRC, is hereby amended by adding the following exception:

Subsection R313.2 One- and two-family automatic fire sprinkler systems exception 2. Dwelling units in which the gross square footage of the dwelling space(s), including all floor levels whether finished or unfinished and all basement areas whether finished or unfinished (exclusive of attached garage area), does not exceed 8,000 square feet.

Polk City, IA Muni. Code § 155.05.

Commercial Building Code

Polk City adopted the 2012 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.

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Existing Buildings

Polk City, IA did not adopt the IEBC, therefore Chapter 34 of the IBC would apply.

Other Building Codes