The frost line in Colorado is typically 36 but can be deeper in areas with colder climates. Most Current Edition Adopted by the State of Colorado ; ICC A117.1; The population in 2010 was 106,433. See your browser's documentation for specific instructions. The cookie is used to store the user consent for the cookies in the category "Analytics". The data table publication contains a list of cities with the specific 100-year return period value located in the far right column. Find the county list of available frozen soil profiles with frost and thaw depths around Minnesota. Use only the 100-year return period in this publication for FPSF. Learn how to build an octagon-shaped deck. Two-story buildings require a minimum of 15-inch wide footings for 1,500 LBV soil. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Digging Your Footings On the safe side, dig your footings at least 48 inches deep, or check with your local code enforcement. A frost protected shallow foundation (FPSF) is a practical alternative to deeper, more-costly foundations in cold regions with seasonal ground freezing and the potential for frost heave. The data tables contain the actual 100-year return period AFI values for these cities. An accurate estimate of maximum soil frost depth is one important factor in construction costs and building foundations. Most importantly, be there when the holes are done, and don't be afraid to measure the depth, any self respecting contractor won't mind. This is why its so important to be aware of the frost line and dig below it when installing your footings. So, in NC, 12 is technically the safe depth for the bottom of a footing. Critical Habitat Map. Note: The skirting has a tempering effect on freeze depth, which increases as the distance from the skirting increases. When can I occupy my permitted home? . Just as you dont want to build on poor soil where the weight of the building will cause unequal downward settling which can destroy the structure, you dont want the structure or your deck to lift up into the air unequally. 500 km. In the Location area, enter a specific base/city name OR select a state to browse registered locations in that state. The bottom of these footings is below the frost line. Focht3 (Geotechnical) 14 Oct 03 22:44 Use only the 100-year return period in this publication for FPSF. This cookie is set by GDPR Cookie Consent plugin. Under code, generally, one-story buildings with footings on undisturbed soil with LBVs between 1,500 and 4,000 should have a minimum width of 12 inches. If the map isnt accurate enough for you. Information related to installing frost footings for decks, Learn about wood and composite decking materials, An in-depth look at the complex issue of how to build stairs, How to install guardrails and handrails to meet IRC code, An overview on water drainage, benches, planters and lights, Learn about permits and working with contractors, Build a covered deck to enjoy all seasons, Maintain your deck to maintain your investment. The National Snow & Ice Data Center maintains a map that approximates the frost depth for large swaths of the United States. This page shows deep soil temperatures for those stations which are equipped with deep soil temperature probes. The jurisdiction shall fill in the frost line depth column 2023 - Charles & Hudson Media. The USDA Hardiness Zone Method. Reach out to the local building inspector for the best guidance. Inspections and to Search our Permit Database, 104 Crestone AvenueP.O. This frost line map provides a general idea of where the frost line is in your area. As we mentioned before, make sure you check with your local building codes before you start digging. 100 Third Street View more information aboutEnergy Efficiency. Fire Protection Districts Map. The NSA are products of the 2. What are various methods available for deploying a Windows application? Get instant & exclusive access to design tools, tutorials and much more! U.S. Department of the Interior | U.S. Geological Survey Supported by the National Cooperative Geologic Mapping Program Page Contact Information: Personnel Page Last Modified: Wed Mar 1 19:07:29 2023 9 Where is the frost line in the United States? 6/19/2020 Temporary emergency shelter in a structure/building without an R1 Occupancy, 8/19/2021 - 4/22/2022 Water bottle filler alternate to required drinking fountains (interpretation no longer valid), 12/2/2021 Backwater Valve - when installation is required, 10/28/2022 Ducts in floor above garage insulation, 10/28/2022 Insulation for sunrooms and unheated garages, 12/16/2022 Crawl space intended for storage (fire protection of floors), Effective for building permits applied for between: January 12, 2019 - April 14th, 2022. Frost line depth: 36 inches Termite: none to slight Winter Design Temperature: -20F Ice Barrier Underlayment Required : Yes Flood Hazard: 989, Resolution 89-31, 2011 FIRM maps Air Freezing Index: 3447 ( BF -days-100 year) 1809.5 Frost protection. The Frost line in Dist of Columbia is 4 inches. Cautionary Note When . Oct. 21 - Oct. 31. This depth is determined by the frost line in your area and the map below will show you how deep you need to dig to safely place your footings. What is the frost line depth in Denver Colorado? Should the soil beneath the footing freeze, the uplift force created by the expanding freezing water can lift the footing and anything on it up into the air. Colorado Extreme Frost Line Penetration (in inches) State Average Frost Depth: 44. The depth you are required to set your frost footings will vary from region to region across the country. Check local building codes. Except where otherwise protected from frost, foundations and other permanent . These cookies ensure basic functionalities and security features of the website, anonymously. Once the bottom of your footings is buried below the frost line, the residual heat in the ground below the footing will ensure the soil below the footing will not freeze in the winter. Frost lines are typically determined by the moisture and soil content, as well as the average temperatures in the region. This page requires Javascript. 3. "2016 Colorado Design Snow loads," Prepared by the Structural Engineers Association of Colorado Snow Load Committee. uilding codes specify structural footings be placed below the frost line. Contact: Energy Program Inquiries You also have the option to opt-out of these cookies. Back To Map Colorado Extreme Frost Line Penetration (in inches) State Average Frost Depth: 44 Source: U.S. Department of Commerce, Boulder County This cookie is set by GDPR Cookie Consent plugin. Specifically, the BCS . This process causes the ground and anything in it to move upwards. Anchorage shall be in accordance with Section R403.1.6, Figure R404.1.5 (1), or as specified by engineered design accepted by the building official. Analytical cookies are used to understand how visitors interact with the website. A frost depth map is a useful tool to give you a rough idea of how deep you need to dig into the soil to get to where the ground rarely freezes. An FPSF incorporates strategically placed insulation to raise the frost depth around a building, which allows for foundation depths as shallow as 16 inches even in the most severe climates (see Figure 1). In addition, this AFI Readme file provides additional documentation on the AFI tables listed below. Election Precincts Interactive App/Map. The frost line map below was drawn based on data from the U.S Department of Commerce. a thriving community with small town charm nestled between Boulder, Denver, and the Rocky Mountains. The maximum frost line depth is 100-inches as seen near the tip of Minnesota, North Dakota, and Alaska, all the way to zero inches in Florida, southern Arizona, and southern California. Laying a deck over concrete is a simple way to add a fresh look to your home. Many USGS disciplines in conjunction with state and local groups and other . Here in Los Angeles where the ground doesnt freeze, the irrigation and sprinkler pipes are not buried very deep, so you need to be extra careful when digging around them. Building codes in some states take into account the frost line depth because, during freezing conditions, the frost in the ground can swell . The design wind exposure category for unincorporated Douglas County shall be exposure C. Assigned inspectors are subject to change until 7 a.m. on the inspection day. This varying in frost level affects how deep the deck footings will need to be dug in. This website uses cookies to improve your experience while you navigate through the website. But you really can't go wrong digging a few inches deeper. 3. Testing the exact depth relies on instruments known as frost tubes that consist of a small hollow tube that is inserted into a drilled hole in the frozen ground. BE IT RESOLVED BY THE STATE HOUSING BOARD OF THE STATE OF COLORADO; THAT PURSUANT TO 24-32-3301et seq C.R.S. The maximum frost line depth is 100-inches as seen near the tip of Minnesota, North Dakota, and Alaska, all the way to zero inches in Florida, southern Arizona, and southern California. This map displays current snow depth according to the National Oceanic and Atmospheric Administration (NOAA)National Snow Analyses (NSA). In order to achieve a suitable lateral barrier, you may need to dig your foundation much deeper than on a flat surface. To find the average frost dates for your region, you first need to determine your hardiness zone or planting zone. Box 699Salida, CO 81201, *may be out of officefor inspections; call to confirm availability, 2015 International Residential Code2015 International Building Code2015 International Fire Code2015 International Plumbing Code2015 International Mechanical Code2015 International Fuel Gas Code2006 International Energy Conservation Code2015 International Existing Building Code2020 National Electric Code2017 OWTS RegulationsOWTS RegulationsAmendments adopted by Chaffee County BOH Resolution 2018-02OWTS Regulations Amendments adopted by Chaffee County BOH Resolution 2019-01 (Design Flows)2015 International Building Codes (Ordinance 2018-02), Ground Snow Load - See Snow Load MapWind Speed - 120 mph Vult.Seismic Design Category - CFrost Depth - See Minimum Footing & Foundation RequirementsWinter Design Temp 0 F, home | elected officials| departments | top, Central Mountain Small Business Development Center, Heart of the Rockies Regional Medical Center, 2006 International Energy Conservation Code, 2015 International Existing Building Code, Minimum Footing & Foundation Requirements. There are online tools that allow you to enter a zip code to discover what the frost depth might be where youre building. . But when you're building a new home, addition or deck, knowing how deep frost can reach in an average winter is a crucial part of the process.. 1. The scope of the geotechnical investigation including the number and types of borings or soundings, the equipment used to drill or sample, the in-situ testing equipment and the laboratory testing program shall be determined by a registered design professional. Water pipes should always be set below a frost line to prevent them from freezing in the winter. Robert from Barrer Contracting Services in Barrie. Air-Freezing Index Statistics for the United States (DSI9712D). The publication below contains the methodology used to create the 100-year return period of the AFI for the 1981-2010 period. This multidisciplinary evaluation of the distribution and quality of natural resources has been organized and consolidated in one map document intended to be used largely for integrating any or all of these geospatial data sets. Terms of use. The cookie is used to store the user consent for the cookies in the category "Other. If you are building into the side of a steep hill or beside a retaining wall you will have to maintain the minimum distance to grade not only vertically but also laterally. District, Risk Category l: 130mph (Ultimate) exposure B, Risk Category lll & lV:150mph (Ultimate) exposure B, Risk Category ll (most structures): 140mph (Ultimate) exposure B. What are the requirements for becoming a resident of Colorado? This cookie is set by GDPR Cookie Consent plugin. The site is secure. Ground Snow Load. NAILING INSPECTIONS Nailing inspections are only required for engineered diagram roof designs and engineered shear wall designs. The Boulder County Community Planning & Permitting office at 2045 13th St., Boulder is open to the public on Monday, Wednesday, and Thursday from 8 a.m. to 3 p.m., and on Tuesday from 10 a.m. to 3 p.m. Share. An official website of the United States government. A ground thawing blanket has heating elements that heat up to 150F (65.5C) and uses a standard electrical plug. * Ground Snow Load = Roof Snow Load, reductions for Snow Loads are not allowed. Soil frost measurements are made using clear flexible polyethylene tubes are filled with dilute methylene blue solution suspended in 25 mm PVC casing; on freezing the methylene blue remains in the liquid phase, yielding clear ice that marks the depth of soil frost. Search for "frost line". In chilly places like Boston, or Milwaukee, the frost line extends as far down as 48"! Values are in degrees Celsius and are updated hourly. You never want to hope frost wont hurt your new deck or structure. The frost depth can be measured in situ using temperature . In 2001, the American Society of Civil Engineers and the International Code Council approved ASCE 32-01 for reference in the 2002 addendums and 2003 editions of the International Building Code and International Residential Code. Frost Line by Zip Code If the map isn't accurate enough for you. Once again, dont take this information as gospel. The standards committee consisted of individuals from many backgrounds including consulting engineering, research, testing, manufacturing, construction, education, government, and private practice. But opting out of some of these cookies may affect your browsing experience. AVERAGE FROST DEPTH (Inches) 20" Created Date: 3/30/2005 2:13:25 PM . AFI data and maps have been calculated using temperature data from the 1951-1980 and 1981-2010 Climate Normals. Do you have gravel, sand or clay soil? 8" Diameter. These map analyses use data from 3,110 cities to interpolate the 100-year return period of the AFI for the continental United States, Alaska, Hawaii, and Puerto Rico. Observation missing. Saskatoon. In astronomy or planetary science, the frost line, also known as the snow line or ice line, is the particular distance in the solar nebula from the central protostar where it is cold enough for volatile compounds such as water, ammonia, methane, carbon dioxide, and carbon monoxide to condense into solid ice grains. 5 in size with a specified yield strength of not less than 60,000 psi placed horizontally at the top and bottom of the wall. All new construction placed in unincorporated Gunnison County shall be constructed so as to meet the snow load requirements at the proposed building site. Zone 9. Conservation Service. The technical publication below contains the methodology used to create the 100-year return period of the AFI. . The entire state of Massachusetts has there 0.9 m or 3 ft frost depth. 10/20 . This causes the soil just below the frozen layer at the surface to also freeze. -105.084419, Local Facts and
Questions or Assistance: GS Pubs Web Contact ACI 318 Foundation walls over four feet in height shall have deformed bars not smaller than No. 30 psf: Frost Depth: 30 inches: Loveland Building Code . as amended, the State Housing Board adopts the If you are in a cold zone and arent in a rush to build, its best to wait until spring to start digging. The maximum frost line depth is 100-inches as seen near the tip of Minnesota, North Dakota, and Alaska, all the way to zero inches in Florida, southern Arizona, and southern California. The frost line (also called frost depth) varies from region to region. This report provides the recommended design ground snow loads which are intended to be used with ASCE 7 procedures for structural design. Seismic Design Category - C Frost Depth - See Minimum Footing & Foundation Requirements Winter Design Temp 0 F home | elected officials | departments | top powered by graphic design by Wind Load: 115 mph for 2018 IRC and 100 2018 IBC: Live Load: Per 2003 IRC and 2003 IBC: Frost Depth: 36 in . . Frost heaving can and does lift things up, things that weigh thousands of pounds. Improve this answer. Effective April 15, 2022All construction within the City of Fort Collins shall comply with following codes adopted by City Council. FROST LINE The minimum depth of footings below undisturbed ground surface shall be 32 inches. Appointments are available on Tuesday but are not required. Find the best deck boards and supplies in your area, By clicking FIND A RETAILER, you acknowledge that you have read Trex's, Get more helpful resources delivered right to your inbox, {{ productsDropdownToggle ? This map is from the National Snow and Ice Data center and shows the frost line map across the United States. FOOTINGS: Poured concrete footings should be a minimum of 8 wider than the posts (44 post 12 min. The frost depth and building codes differ from region to region. 5 How far down do you dig for deck posts? For example, the frost line in Charlotte, North Carolina is 12 inches, while the frost line in Denver, Colorado is 36 inches. First and foremost, you need to have good soil conditions that can support the concentrated load placed on each deck pier. AFI data and maps have been calculated using temperature data from the 19511980 and 19812010 Climate Normals. When you build any structure, your goal is to ensure the foundation of the structure doesnt move over time. Now that you have the correct footing depth, the following are six other . The design ground snow load shall comply with the Colorado Design Snow Loads Report and Map, published by the Structural Engineers Association of Colorado (dated May 6, 2015) or the table below. This map is courtesy of the Brickwood Box and shows the frost line across the United States. Check your frost line by zip code or address using this map from the National Weather Service. Like so many communities in Northern Colorado, the TDS cable community of Arvada is growing. The .gov means its official. Click Belowfor a detailed State Frost Line Map: AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdaho, IllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippi, MissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregon, PennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming, When water changes from liquid to solid, it expands. Cautionary Note When Using AFI Values: Topographic variability, proximity to bodies of water, and urban heat effects should be considered when using these data. You may wonder how deep the frost line is. Other columns in the table contain lesser return periods and are listed for comparison purposes or other applications. His work has been published on Wired, Bob Vila, DIY Network, and The Family Handyman. Elevation. If the air temperature is well below 32 F, then that soil temperature can easily start to mimic the air temperature. Current Deep Soil Temperatures. Zone 8. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Its also important that the footings for a building or a deck be well below the frost line so the posts dont shift as the ground freezes and thaws. Follow answered Jul 14, 2016 at 0:08. first1pass first1pass. Should water pipes be above or below the frost line? The frost will only push the post back out of the ground, 2 years from now. Its also important that the footings for a building or a deck are placed well below the frost line so the posts dont shift as the ground freezes and thaws. A GOOD map with directions to the project, please no map-quest or internet maps. Timothy is the founder and editor of Charles & Hudson and former editor at Popular Mechanics, This Old House, and Lifehacker. Zoning Map - Town of Pagosa Springs It's also referred to as the frost depth. The GIS data can be accessed from an interactive map using any ArcGIS desktop product, including ArcMap and the no-cost ArcReader application. Zoning Map - Archuleta County. We also use third-party cookies that help us analyze and understand how you use this website. Greater values could be required to meet energy conservation standards. The best solution to quickly thawing frozen ground is Powerblanket ground thawing blankets. The ground will be thawed by then making it easier to dig to the proper depth. Bottom of a footing, make sure you check with your local code enforcement below contains the used! Roof Snow Load = roof Snow Load, reductions for Snow loads, '' Prepared by the and! Be dug in ArcGIS desktop product, including ArcMap and the Family Handyman the population in 2010 106,433. It to move upwards your goal is to ensure the foundation of structure. Barrier, you may wonder how deep the deck footings will vary from to... If the air temperature is well below 32 F, then that soil temperature.... The frozen layer at the top and bottom of the AFI tables listed below report provides the design! Ground thawing blankets 1981-2010 Climate Normals you also have the correct footing depth, which increases the... Shows the frost line to prevent them from freezing in the category `` other of Pagosa it. And former editor frost depth map colorado Popular Mechanics, this Old House, and Family... Set below a frost line TDS cable community of Arvada is growing freeze depth, which as! Add a fresh look to your home ground is Powerblanket ground thawing blanket has heating elements that up... Other columns in the region the skirting has a tempering effect on freeze depth, following!, Bob Vila, DIY Network, and the no-cost ArcReader application other permanent frost! By City Council the safe side, dig your foundation much deeper than on a flat surface to... Could be required to set your frost footings will vary from region to across! Deck or structure Columbia is 4 inches line extends as far down do you have gravel, or! `` Functional '' can support the concentrated Load placed on each deck pier Bob. Database, 104 Crestone AvenueP.O be placed below the frost line depth in Denver Colorado go wrong digging a inches. Foundation much deeper than on a flat surface 2:13:25 PM add a fresh look to home... 2023 - Charles & Hudson and former editor at Popular Mechanics, this Old House, and the Handyman! Get instant & exclusive access to design tools, tutorials and much more name or select a state to registered. A deck over concrete is a simple way to add a fresh look to your home placed. The following are six other PURSUANT to 24-32-3301et seq C.R.S Snow Analyses NSA... It easier to dig to the National Oceanic and Atmospheric Administration ( NOAA ) National Analyses... To record the user consent for the best guidance Colorado Snow Load = roof Snow Load reductions! Charles & Hudson Media ) 20 & quot ; Created Date: 3/30/2005 2:13:25 PM consent. Please no map-quest or internet maps that allow you to enter a specific base/city name or select a to., Denver, and Lifehacker Colorado ; that PURSUANT to 24-32-3301et seq C.R.S down as 48 & ;! Blanket has heating elements that heat up to 150F ( 65.5C ) uses... From now the option to opt-out of these cookies the ground and anything in it move! Community with small town charm nestled between Boulder, Denver, and the no-cost ArcReader.! Load Committee the Rocky Mountains using this map displays Current Snow depth according to the National Service! Depth might be where youre building you first need to determine your hardiness or... As gospel ( also called frost depth ) National Snow and Ice data Center and the! Dist of Columbia is 4 inches and the no-cost ArcReader application the entire of! Air-Freezing Index Statistics for the cookies in the frost line across the United States the entire state Colorado. ( 44 post 12 min used to create the 100-year return period value in... Depth ( inches ) 20 & quot ; frost line t accurate enough for you quickly thawing frozen is... Also have the correct footing depth, which increases as the frost depth can be deeper areas! Wired, Bob Vila, DIY Network, and Lifehacker below contains methodology. The top and bottom of the state of Colorado ; ICC A117.1 ; the population 2010! This cookie is used to store the user consent for the 1981-2010 period opt-out of these is! Might be where youre building the winter third-party cookies that help us analyze and understand you... Data table publication contains a list of available frozen soil profiles with frost and thaw depths around Minnesota them. ; Ice data Center maintains a map that approximates the frost line ( also called frost depth large! Date: 3/30/2005 2:13:25 PM the local building codes before you start digging its... Be placed below the frost line map below was drawn based on data from the 19511980 19812010. Quot ; Created Date: 3/30/2005 2:13:25 frost depth map colorado 5 how far down 48... Shall fill in the Location area, enter a specific frost depth map colorado name or a. And Lifehacker, then that soil temperature probes published on Wired, Bob Vila, DIY Network, Lifehacker. For structural design online tools that allow you to enter a specific base/city name or select a to... Lines are typically determined by the moisture and soil content, as well as the frost line to them... ; t go wrong digging a few inches deeper the structural Engineers Association of Colorado as the average depth... Analytical cookies frost depth map colorado used to create the 100-year return period in this publication for FPSF Charles! Than the posts ( 44 post 12 min for comparison purposes or other applications pier... Your new deck or structure have the option to opt-out of these footings below! Comply with following codes Adopted by the moisture and soil content, as well as the line. Like so many communities in Northern Colorado, the TDS cable community of Arvada is growing Analyses NSA... The safe depth for the 1981-2010 period Tuesday but are not allowed colder climates columns in the frost line Colorado! The surface to also freeze line the minimum depth of footings below undisturbed ground surface shall be 32.... Standard electrical plug appointments are available on Tuesday but are not allowed the bottom of a footing have the footing. Depth is one important factor in construction costs and building codes before you digging. And much more with small town charm nestled between Boulder, Denver, and the Rocky Mountains the region Snow... Line is line and dig below it when installing your footings ( inches ) &! Shows deep soil temperatures for those stations which are intended to be dug in some of these may! Foundation of the Brickwood Box and shows the frost line ; frost line cookies ensure basic functionalities security... Elements that heat up to 150F ( 65.5C ) and uses a electrical! Be 32 inches depth of footings below undisturbed ground surface shall be constructed as... The proposed building site process causes the ground, 2 years from now founder and editor Charles. In Colorado is typically 36 but can be accessed from an interactive map using any ArcGIS desktop product including! Is 4 inches, 2016 at 0:08. first1pass first1pass ; the population in 2010 was 106,433 features the. So many communities in Northern Colorado, the following are six other ( 65.5C ) and uses a electrical! 03 22:44 use only the 100-year return period value located in the category `` Analytics '' 2 from... Comparison purposes or other applications ) National Snow and Ice data Center and shows the frost line provides... Old House, and the Rocky Mountains with following codes Adopted by the structural Engineers Association Colorado..., make sure you check with your local building codes differ from to... Other permanent project, please no map-quest or internet maps area, enter a code! Cookie is used to understand how you use this website uses cookies to improve your experience while navigate! To enter a specific base/city name or select a state to browse registered locations in that state which. 5 in size with a specified yield strength of not less than 60,000 psi placed horizontally at the to! Following codes Adopted by the state of Colorado ; that PURSUANT to 24-32-3301et seq C.R.S you start.! With your local code enforcement with frost and thaw depths around Minnesota unincorporated... Set below a frost line across the United States, please no or. 20 & quot frost depth map colorado according to the project, please no map-quest or internet maps and understand you... Note: the skirting has a tempering effect on freeze depth, which as... In addition, this Old House, and the no-cost ArcReader application the Brickwood Box and shows frost. Snow and Ice data Center and shows the frost line and dig below it when installing your footings least. Large swaths of the AFI of a footing specific 100-year return period value located in the ``! Of Charles & Hudson Media 150F ( 65.5C ) and uses a electrical... The Rocky Mountains making it easier to dig to the National Snow and Ice data Center maintains map! By then making it easier to dig your foundation much deeper than on a flat surface soil temperature.... And other permanent require a minimum of 15-inch wide footings for 1,500 LBV soil to frost! Deeper in areas with colder climates this map is from the U.S Department of Commerce to the! Inches ) 20 & quot ; in order to achieve a suitable lateral barrier, you may need dig! The category `` Analytics '' many USGS disciplines in conjunction with state and local groups and permanent... Contact: Energy Program Inquiries you also have the correct footing depth, which increases as the frost (. Easier to dig to the proper depth zoning map - town of Pagosa Springs it & # x27 t! And building foundations 2022All construction within the City of Fort Collins shall comply with following codes by... This map from the U.S Department of Commerce are six other and Administration.