Granby, Colorado Building Codes

Updated : 04/22/2024

Overview

Granby, CO adopts the following codes:

  • The International Building Code, 2015 edition, Chapters 1 through 35 inclusive. Granby, CO Muni. Code § 15.05.040 (adopted with amendments).
  • The International Residential Code, 2015 edition, Chapters 1 through 43 inclusive. Granby, CO Muni. Code § 15.05.050 (adopted with amendments).
  • The International Existing Building Code, 2015 edition, Chapters 1 through 15 inclusive. Granby, CO Muni. Code § 15.05.130 (adopted with amendments).
Helpful resources for Granby, 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.

Granby adopted the 2015 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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See Code Publishing(Town of Granby, CO Municipal Code)

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Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Granby ? Yes
Municipal Code https://www.townofgranby.com/vertical/sites/%7B89161B06-4754-446C-B6BF-16585CE8AB42%7D/uploads/Ordinance_No._880.pdf#page=16
Comments:

"This ice dam protection underlayment shall be installed from the eaves to a point 6 feet inside the exterior wall line of the building and 24 inches from the center line of all valleys, fully adhered to the substrate on all habitable structures."

Design Criteria

Wind is ninety (90) mph, exposure B

Seismic design category is “B”**

Weathering probability for concrete is severe

Frost line depth is thirty inches (30" below finished grade)

Termite infestation probability none to slight

Decay probability is none to slight

Winter design temperature is -16 degrees Fahrenheit

Flood hazards, see Flood Insurance Reference Map

Comments

Granby, CO adopts the International Residential Code, 2015 edition, Chapters 1 through 43 inclusive. Granby, CO Muni. Code § 15.05.050 (adopted 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.

There is no mention of the adoption of Appendix J in the supplement to the 2018 IRC.

Commercial Building Code

Granby adopted the 2015 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:

See Code Publishing(Town of Granby, CO Municipal Code)

...Adoption not found...

Comments

Granby, CO adopts the International Building Code, 2015 edition, Chapters 1 through 35 inclusive. Granby, CO Muni. Code § 15.05.040 (adopted with amendments).

Existing Buildings

Granby, CO adopts the International Existing Building Code, 2015 edition, Chapters 1 through 15 inclusive. Granby, CO Muni. Code § 15.05.130 (adopted with amendments).

Other Building Codes

Granby, CO also adopts the following codes:

  • The International Plumbing Code, 2015 edition, Chapters 1 through 13 inclusive. Granby, CO Muni. Code § 15.05.060 (adopted with amendments).
  • The International Mechanical Code, 2015 edition, Chapters 1 through 15 inclusive. Granby, CO Muni. Code § 15.05.070 (adopted with amendments).
  • The International Fuel Gas Code, 2015 edition, Chapters 1 through 8 inclusive. Granby, CO Muni. Code § 15.05.080 (adopted with amendments).
  • The National Electrical Code (NFPA-70), most current edition as adopted by the state of Colorado. Granby, CO Muni. Code § 15.05.090 (adopted).
  • The International Energy Conservation Code, 2015 edition, Chapters 1 through 6 inclusive. Granby, CO Muni. Code § 15.05.100 (adopted).
  • The International Fire Code, 2015 edition, Chapters 1 through 45 inclusive and all appendices. Granby, CO Muni. Code § 15.05.120 (adopted with amendments).