The State of Georgia is one of the early adopters of the 2012 International Codes: Georgia will start enforcing the 2012 International Building Code (IBC) and International Residential Code (IRC) next month. Here is a summary of some of the requirements: If positive connection to the primary building structure cannot be verified during inspection, decks shall be self supporting. By contrast, deck code is truly a matter of life and death and preventing serious injury. Discuss provisions in DCA6 commentary and provide other resources. However, AWC DCA 6, which has been recently updated, includes guidance on provisions for the 2015 International Residential Code (IRC) pertaining to single level residential wood deck construction. City Hall 124 W Michigan Avenue Lansing, MI 48933 Phone: 517-483-4000 Monday - Friday, 8 a.m. - 5 p.m. e�WL��%���g:�gQw��t�:��F��Ӳ��t@X4�b��E�A:�D�Yt��E{���a�Yt��v��k�������xz���M�q��9:����b��s���>G�秧I�Մ�6��-~�$�z��aV�X ���>f����h)��� nsƢ�Iz? WOOD DECK CONSTRUCTION GUIDE Based on the 2015 Michigan Residential Code Revised May 17, 2016 The details in this document apply to residential decks only. For a copy of DCA6-09, which is based on the 2009 IRC, click here. Learn everything you need to know about installing concrete footings to support your deck. *Please Note: The entire DCA 6 cannot be posted to a building department website. Provisions contained in this document that are not included in the IRC are considered good practice recommendations. This article highlights certain engineering topics related to DCA 6 and provides some background for those issues. The building code governs the method of construction, materials, means of support, attachment and requires safety features such as guard rails and hand rails. It is estimated that over 40 million decks in the US are more than 20 years old, meaning they were constructed before today’s building codes and established best practices. Includes guidance on provisions of the 2015 International Residential Code (IRC) pertaining to single level residential wood deck construction. Minimum post size is 6x6 nominal and maximum post height shall be … I thought the live load requirement for decks and balconies was 100 psf? Become familiar with the Prescriptive Residential Wood Deck Construction Guide (DCA6) and the significant changes that have been made. 404 0 obj <>stream above grade. Provisions contained in this document that are not included in the IRC are considered good practice recommendations. Thinking about your next spring project or do you have a client that needs a wood deck designed? The building codes of Michigan include the the 2015 Michigan Building Code, 2015 Michigan Mechanical Code, 2015 Michigan Rehabilitation Code, 2015 Michigan Plumbing Code, 2015 Michigan Residential Code, International Energy Conservation Code 2015 (IECC 2015), and the National Electrical Code, 2017. SCOPE SINGLE LEVEL EXTERIOR DECKS ATTACHED TO THE EXTERIOR WALL OF A ONE- OR TWO-FAMILY DWELLING. 0 Open risers: maximum opening of 4". AM101.2Deck design. �?�Z�K|��-��N ���� Um����Cil�b����hU�����٩���+���lD������P~`G��4����@]���_osCZ�[��jV�r�N��RW�Ae��|~0��N~�v��?���i�9 ���.��Jq�����Xs���c�� �d�!�\�ه4���.��� �{�! In Prescriptive Residential Wood Deck Construction Guide (DCA 6) Table 2, why, for a given joist size, does the overhang span sometimes increase as joist spacing increases? endstream endobj 345 0 obj <>stream Hundreds of wood decks get built every year and some without the proper guidance for designing or constructing a safe deck. ,�%�����a|�#�|d�������v7�ܭAV�8T7+c�[o@Kb�;��5Ě�9'�,��Ax��p�ލ��[ Decks Requiring a Building Permit. Does this include small cantilevers on the house such as brick ledge cantilevers or cantilevers to accommodate exterior insulation? View a free copy of the North Carolina Building Codes through the ICC. See DECK FRAMING PLAN for definition of deck length and width. It is especially important to build decks with safety in mind in cold areas such as Michigan, to increase durability and minimize injuries from slipping during cold, icy months. Typically the railing is built inside the screening as in this photo (from my … LIMITATIONS OF USE USE OF AND ANY MODIFICATIONS TO THESE READY-BUILD PLANS IS SUBJECT TO REVIEW AND APPROVAL BY THE BUILDING DEPARTMENT HAVING JURISDICTION. Most jurisdictions follow the International Building Code, which devotes one section—R507—to deck construction. Discover additional resources available for wood deck design and construction. Check out our deck footing frost map to help you understand how deep your footings will need to be excavated. If your deck is more than 36 inches above the ground: your deck counts toward the percentage of your property on which you can build (called lot coverage). In order to prevent potentially hazardous building practices, local building codes usually lay out a set of standards for deck construction. What are the requirements for locations of diagonal knee braces? The National Building Code of Canada sets basic parameters on decks, but provinces each have their own modifications based on climate. Does the DCA6 apply to canopies or awnings? Updates and revisions are frequently being made to the document so it is recommended that building departments post a link to DCA 6 on their websites. The building codes of New Jersey adopt the the International Building Code 2018 (IBC 2018), International Residential Code 2018 (IRC 2018), International Energy Conservation Code 2018 (IECC 2018), International Mechanical Code 2018 (IMC 2018), International Fuel Gas Code 2018 (IFGC 2018), International Fire Code 2015 (IFC 2015), International Swimming Pool and Spa Code 2018 (ISPSC … DCA 6 has been recently updated to include guidance on provisions in the 2012 International Residential Code (IRC) pertaining to single level residential wood deck construction. Deck Footings. DECK BUILDING CODE TIPS. endstream endobj startxref Zoning Requirements: Decks are also required to meet the land use and setback requirements of the zoning code. 16-11 CODE: 2015 International Residential Code SECTION: Section R301.5 Live load – Table R301.5 – Minimum Uniformly Distributed Live Loads Section R507 Exterior Decks QUESTION: The state amended the live load in Table R301.5 for decks and balconies from 40 pounds per square foot (psf) to 60 psf. Delhi Charter Township Ingham County, MI 2074 Aurelius Road Holt MI 48842 Phone: 517-694-2135 E-codes Provisions contained in this document that are not included in the IRC are considered good practice recommendations. Install railings on any deck that is 30 inches or more from the surrounding surface and on at least one side of a stairway leading to the deck. Footings for decks shall maintain 5’ of separation from existing or proposed septic systems and leach fields.” 109-186(1)(d). Many code requirements, while important, rarely touch upon life and death matters. This course will provide an overview of common questions and challenges with design and construction of residential wood decks. The building code (IRC) for decks applies whether the deck or porch is open or screened. To encourage compliant deck design and construction, American Wood Council (AWC) has published Design for Code Acceptance No. Information gathered from years of frequently asked questions related to building code provisions for decks, deck construction details, and AWC’s Design for Code Acceptance 6 (DCA6) – Prescriptive Residential Wood Deck Construction Guide will be presented. Roofed porches (open or screened-in) are permitted to be constructed using these provisions. Equivalencies: 2.0 Hours of Instruction = 0.2 Continuing Education Units (CEU) = 2 Professional Development Hours (PDH) = 2 Learning Units (LU). Includes Commentary and Appendices. �w�@��Vf3Tt L{Ι@Z ���"��L���px�5�+d6)5\a�����A�a��ˡ�Ml3D4&/{�؁A韉����m�^�݁ڑmq���1��>��́�s�$ȍ@��8�4i�h��8b�` �= ��;�N밵)��6p+Q�KY]��U���g����Iǥ֘�g���S�SS ���p�ba� Lȥ���ܩ�A���A��:�����_ʃX_��� �d��K�6����T�v/��O��,�2yd�J����G-|��_}_doe�|w iÆQZd���%a&�6�z����.�Ĩ��pq��*����.�]Dƪ6]\�o��l���� �E��xzy8����5�Mi���["�_ڌ��hz��z����Q��5L����]iH�L�@��4�Ӑ+*,� ��&.��%��o�גn� t% ��8OX����c,���@�N�9��1�� �dj�L��r��mJ�o\�h��e��{�Z����In;�4���_XWW���3?�l���y_:�Ru���X��d5�K�pq�H���@�9qRV�����o�1O�b�J��[i�I�V��V�,4��`e ./߰��-�٤?�g�M�a����C.Wa���u���=������w�O������`� Before you begin a project, it is important that you become familiar with all the City of Ankeny building and zoning regulations that apply to your project. h�bbd```b``��� �i�d���q`[0���D���h�E�ٺ`�j0 6�mX�^l;�dY���h},�vC(�t�&-@�1�Ď3�ׁD��z��H�� �W$�`b��t���������l&�#�30�y$��a 0 � (Replaced by latest version of TR10 - Calculating the Fire Resistance of Wood Members and Assemblies), DCA 3 - Fire-Resistance-Rated Wood-Frame Wall and Floor/Ceiling Assemblies, DCA 4 - CAM for Calculating and Demonstrating Assembly Fire Resistance, DCA 6 - Prescriptive Residential Wood Deck Construction Guide, DCA 7 - Meeting Residential Energy Requirements with Wood-Frame Construction - 2012 IECC Version. Identify minimum material requirements for deck construction including wood members and fasteners. Building officials may print a reasonable number of copies of DCA 6 for use with permits. Residential Wood Deck Design (Structure Magazine) April 2017, Manual for the Inspection of Residential Wood Decks and Balconies, Free Publications including resources for Outdoor Decks, Balconies, Porches, Strong Rail-Post Connections for Wooden Decks, Tested Guardrail Post Connections for Residential Decks, BCD302 – Prescriptive Residential Wood Deck Construction Guide (DCA6 - 2012 IRC Version), BCD303 – Design for Code Acceptance No. Decks require an open footing inspection, as well as a framing and a final inspection. (N��@���};)�*�o1u�)��M�TeY��D��p\J����CW�6�j��&�aa��P�P7���X+l�l�:,w����q^��̬t�� Overall deck length shall be equal to or less than overall deck width. 341 0 obj <> endobj Does the wet service factor apply for residential wood decks? Design for Code Acceptance (DCA) 6 - Prescriptive Residential Wood Deck Construction Guide - 2015 IRC Version, Design for Code Acceptance (DCA) 6 - Prescriptive Residential Wood Deck Construction Guide - 2012 IRC Version, (Replaced by latest version of TR10 - Calculating the Fire Resistance of Wood Members and Assemblies), DCA 2 - Design of Fire-Resistive Exposed Wood Members. Deck safety is a real problem. Identify minimum construction detailing requirements. Pro Tips on Building a Code-Compliant Deck By Rob Robillard. 3. The deck ledger must be a 2x8 minimum Ontario's deck building codes are not the same as British Columbia's deck building codes. APPLICABLE BUILDING CODE 2017 OREGON RESIDENTIAL SPECIALTY CODE (ORSC). h�b```��l�[�@��(������֜ [�%�����@:`�p�R�xؤ�j����� However, AWC DCA 6, which has been recently updated, includes guidance on provisions for the 2015 International Residential Code (IRC) pertaining to single level residential wood deck construction. On Residential (R-1) lots with access to bodies of water, decks … Is there a soil capacity that can be assumed or do you have to do an actual test? The same goes for each province and territory in the Great White North. Building codes are in place to ensure safety, and virtually every state and municipality enforces codes for deck construction. wood decks that are attached to the house to resist lateral forces. The Massachusetts State Building Code consists of a series of international model codes and any state-specific amendments adopted by the Board of Building Regulation and Standards (BBRS). We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads. /$���� Can I specify proprietary fasteners such as gun nails? In the DCA6 you specify a live load = 40psf. Is Your Deck Safely Connected to Your House? There are approximately 40 million decks in the United States, and only half of those are code-compliant. Construction can not deviate from the details herein unless prior approval is obtained from the authority having jurisdiction. Includes Commentary and Appendices. Figure 18 of DCA6 prohibits attachment of the ledger to an overhang or bay window. Tc��1�P��6K��x0*h��+1�%q��m����E� ;�?fsr��M���t걡��F��U���-�Z����EK6֠!��ѨU�^���t>^~�g������4���5-E�ͽN ,zk[e^������k.��KR�^��%m/���?����&��U�L�*>Sᓁ�|2����㳛��,���SN��9��λ�-�/ŷt�s�-�Լ�O��zZ�@9k�l H�\��j�0����l/�sXK&PZ�؁e{ �V2�bǹ��χ���?K��$�kw��@ߝ=z���:�0�4)+�J��+�b�� ������ƀ~�����4� }s��쾮�h�Z��3j�-HC�n_��@�����W~;�_��f��.s1�H\,踞��"��sX-A-��˻l�7w�U1�(�EX��N\f.#W���u�:�)�)�9�9r�� |��c�71OU���. Provisions contained in this document that are not included in the IRC are considered good practice recommendations. This webinar will provide an overview of DCA 6 along with its Commentary and Appendices and include several examples showing application of the deck guide. [R507.2.3] 2. h�ęmO�8���?� Click on PDF below to download the application and /or guidelines for your project. In the state of Arizona, every local jurisdiction is responsible for establishing and enforcing building codes.However, the Manufactured Housing Division, part of the Arizona Department of Housing (ADOH), maintains standards of safety and quality for all manufactured homes, factory-built buildings, and accessory structures. The presentation will provide an overview of the significant changes to the DCA 6 and include several examples showing application of the guide. Our Seattle Municipal Code (SMC) limits the size and placement of your deck. DCA6 has been updated to include guidance on provisions for the 2012 International Residential Code (IRC) pertaining to single level residential wood deck construction. Hundreds of wood decks get built every year and some without the proper guidance for designing or constructing a safe deck. %PDF-1.7 %���� Building Division. Describe deck construction including wood members and fasteners. Building code requirements for exterior decking railings and stairways are especially stringent because decks fall into the category of critical health and safety matters. Columns in enclosed crawl spaces or unexcavated areas located within the periphery of the building when . q��EZ!��ܖ�r[ć,d���pm�-��f�ĦIK8�) Maximum 18 "oc notched stringer spacing for 2" or 5/4 "thick treads. For single-family zones, the total coverage is limited to 35 percent of the lot (on lots 5,000 square feet or larger) or 1,000 square feet plus 15 percent of the lot area (on lots smaller than 5,000 square feet). Improperly built decks can be dangerous. Equivalencies: 1.0 Hours of Instruction = 0.1 Continuing Education Units (CEU) = 1 Professional Development Hours (PDH) = 1 Learning Units (LU). Your deck drawings will indicate the size, number, and location of deck piers or deck footings. Maximum nosing of 0.75 "to 1.25" - maximum nosing radius of 9/16 ". A completed Residential Deck Application and Residential Building Permit Application shall be submitted. Decks must be constructed in conformance with the details contained herein. DCA 1 - Flame Spread Performance of Wood Products Used for Interior Finish, DCA 2 - Design of Fire-Resistive Exposed Wood Members Responsible for administration and enforcement of the Michigan Building Code (MBC) and the structural provisions within the Michigan Residential Code by performing inspections and issuing certificates of occupancy. That is, you still need a 36-inch high code-approved railing if the deck surface is more than 30 in. This webinar will provide an overview of DCA 6 along with its Commentary and Appendices and include several examples showing application of the deck guide. 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