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Broomfield, City and County, Colorado Building Codes

Updated : 04/22/2024

Overview

The city of Broomfield, CO adopts the 2021 IBC, IRC, and other codes. The 2021 Codes are effective as of April 15th, 2023.

“Beginning August 1, 2023 Broomfield will begin enforcing the 2023 National Electrical Code.” The 2021 NEC will remain in effect until August 1st thereafter, the 2023 NEC will take over.  More Information can be found here.

 

Broomfield, CO adopts the following codes:

  • The International Building Code, 2021 edition, in particular Chapters 2 through 35 and Appendices C (Group U), E, G, I, and J. Broomfield, CO Muni. Code § 15-04-010 (amendments).

  • The International Residential Code, 2021 edition, in particular Chapters 2 through 10 and 12 through 32, and Appendix H & P. Broomfield, CO Muni. Code § 15-05-010 (amendments).

  • The Uniform Housing Code, 1997 edition, in particular Chapters 1 through 16. Broomfield, CO Muni. Code § 15-08-010 (amendments).

  • The International Existing Building Code, 2021 edition, in particular Chapters 1 through 16. Broomfield, CO Muni. Code § 15-09-010 (amendments).

Broomfield, CO Muni. Code § 15-03-020 (adopted).

 

Helpful resources for Broomfield, City and County, Colorado include the following.

Residential Building Code

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

Broomfield, City and County adopted the 2021 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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2021 IRC(Broomfield, CO 15-05-010 - Amendments to the International Residential Code.)

...The following amendments are hereby made to the 2021 International Residential Code, which shall be referred to in this chapter 15-05 as the IRC: (A) Chapter 1 is hereby deleted. Refer to chapter 15-03, B.M.C., for administrative requirements....

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Broomfield, City and County ? No
Citation: Broomfield, CO Muni. Code § 15-05-010 (amendments).
Municipal Code https://library.municode.com/co/broomfield/codes/municipal_code?nodeId=TIT15BUCO_CH15-05INRECO
Comments:

Broomfield, CO Design Criteria.

GROUND SNOW LOAD: 30
WIND SPEED (mph): 110
SEISMIC DESIGN CATEGORY: B
SUBJECT TO DAMAGE FROM:
Weathering: Severe
Frost line depth: 36"
Termite: n/s
WINTER DESIGN TEMP: 1°F
ICE BARRIER UNDERLAYMENT REQUIRED: No
FLOOD HAZARDS: 1973/1988
AIR FREEZING INDEX: 500-1000
ANNUAL MEAN TEMP: 50°F

Comments

Broomfield, CO adopts the International Residential Code, 2021 edition, in particular Chapters 2 through 10 and 12 through 32, and Appendix H & P. Broomfield, CO Muni. Code § 15-03-020 with amendments at § 15-05-010.

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.

Refer to Appendix AJ of the adopted 2021 IRC.

 

Commercial Building Code

Broomfield, City and County adopted the 2021 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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2021 IBC(Broomfield, CO 15-03-010 - Intent.)

...(A) The intent of this chapter is to adopt by reference and with modifications the International Building Code, 2021 Edition; the International Residential Code, 2021 Edition; the National Electrical Code, the latest edition adopted by the State of Colorado; the International Plumbing Code, 2021...

Comments

Broomfield, CO adopts the International Building Code, 2021 edition, in particular Chapters 2 through 35 and Appendices C (Group U), E, G, I, and J. Broomfield, CO Muni. Code § 15-03-020 with amendments at § 15-04-010.

 

Existing Buildings

Broomfield, CO adopts the International Existing Building Code, 2021 edition, in particular Chapters 1 through 16. Broomfield, CO Muni. Code § 15-03-020 with amendments at § 15-09-010.

 

Other Building Codes

Broomfield, CO also adopts the following codes:

  • The Uniform Code for the Abatement of Dangerous Buildings, 1997 edition, in particular Chapters 1 through 16. Broomfield, CO Muni. Code § 15-06-010 (amendments).

  • The National Electrical Code (NFPA-70), the latest edition adopted by the State of Colorado. Broomfield, CO Muni. Code § 15-12-010 (amendments). Effective Aug 1st 2023, the city of Broomfield will be adopting the 2023 NEC, until that date, the 2021 NEC will be in effect. More Information can be found here.

  • The International Plumbing Code, 2021 edition, in particular Chapters 2 through 13, Appendices B & E. Broomfield, CO Muni. Code § 15-24-010 (amendments).

  • The International Mechanical Code, 2021 edition, in particular Chapters 2 through 15 and Appendix A inclusive. Broomfield, CO Muni. Code § 15-10-010 (amendments).

  • The International Fuel Gas Code, 2021 edition, in particular Chapters 2 through 8, inclusive. Broomfield, CO Muni. Code § 15-22-010 (amendments).

  • The International Energy Conservation Code, 2021 edition, in particular Chapters 2 through 6 inclusive. Broomfield, CO Muni. Code § 15-07-010 (amendments).

  • The International Fire Code, 2021 edition, in particular Chapters 1 through 45 and Appendices B, C, E, F, and G inclusive. Broomfield, CO Muni. Code § 15-16-010 (amendments).

  • The most current edition of the ASME A17.1 Safety Code for Elevators and Escalators. In particular, adopted by chapter 15-18. Broomfield, CO Muni. Code § 15-18-010 (amendments).

  • The "International Swimming Pool and Spa Code" 2021 edition, in particular Chapters 1 through 11 inclusive. Broomfield, CO Muni. Code § 15-11-010 (amendments).

Broomfield, CO Muni. Code § 15-03-020 (adopted).