Updated : 04/22/2024

Overview

Portland, TN has adopted the 2009 International Codes, with amendments, including the 2009 IRC and IBC. Portland, TN Muni. Codes § 12-701 (IRC adoption), § 12-702 (IRC amendments), § 12-101 (IBC adoption) and § 12-102 (IBC amendments).

State regulations may not permit the adoption of a code less stringent than the codes adopted by the state. For the most accurate information please check with the local building department. See the Tennessee state overview. Link to Tennessee Building Codes.

Helpful resources for Portland, Tennessee include the following.

• PLRB, Ordinance and Law Coverage Discussion for Tennessee

Residential Building Code

Tennessee adopted a statewide mandatory residential code that will control; however, local governments are free to make laws more strict (with some limitations).See PLRB, Tennessee Building Codes for more information on state level codes.

Portland 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

Are ice barriers required for Portland ? No
Citation: § 12-702
Municipal Code https://www.mtas.tennessee.edu/system/files/codes/portland_t-12.pdf#page=17
Comments:

Insert the following Table R301.2(1).

Ground Snow Load: 15 psf

Wind Speed (mph): 90

Seismic Design Category: B & C

SUBJECT TO DAMAGE FROM: Weathering – Severe, Frost Line Depth – 12", Termite – Moderate/Severe

Winter Design Temp: 14 Degrees

Ice Barrier Underlayment Required: No

Flood Hazards: 1/1993

Air Freezing Index: 500

Mean Annual Temp: 60 Degrees

Government Officials

Comments

Portland, TN has adopted the 2009 IRC excluding all appendices. Portland, TN Muni. Code § 12-701.

Section R313.2 One and two family automatic sprinkler systems. Delete per TCA 68-120-101.

Section R313.1 Townhome automatic fire sprinkler systems amend per State Fire Marshal rule 0780-02-23. Shall not be required in three or fewer stories with less than 5,000 gross square feet and three or fewer stories if each unit is separated by a two hour fire wall. Portland, TN Muni. Code § 12-702.

Commercial Building Code

Portland 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.

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Comments

Portland, TN has adopted the 2009 IBC excluding all appendices. Portland, TN Muni. Code § 12-101.

Existing Buildings

Portland, TN did not adopt the IEBC, therefore Chapter 34 of the IBC would apply.

Other Building Codes