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). Hundreds of wood decks get built every year and some without the proper guidance for designing or constructing a safe deck. Delhi Charter Township Ingham County, MI 2074 Aurelius Road Holt MI 48842 Phone: 517-694-2135 %%EOF Prescriptive Deck Details Based on the 2012 International Residential Code This design document applies to single-span, single-level residential decks only. That is, you still need a 36-inch high code-approved railing if the deck surface is more than 30 in. This course will provide an overview of common questions and challenges with design and construction of residential wood decks. 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��-~�$�z��aV�X ���>f����h)��� nsƢ�Iz? Describe deck construction including wood members and fasteners. I thought the live load requirement for decks and balconies was 100 psf? Provisions contained in this document that are not included in the IRC are considered good practice recommendations. Understand design requirements and available resources for both prescriptive and engineered deck designs. ,zk[e^������k.��KR�^��%m/���?����&��U�L�*>Sᓁ�|2����㳛��,���SN��9��λ�-�/ŷt�s�-�Լ�O��zZ�@9k�l It is especially important to build decks with safety in mind in cold areas such as Michigan, to increase durability and minimize injuries from slipping during cold, icy months. Includes Commentary and Appendices. Residential Wood Deck Design (Structure Magazine) April 2017, Manual for the Inspection of Residential Wood Decks and Balconies, Free Publications including resources for Outdoor Decks, Balconies, Porches, Strong Rail-Post Connections for Wooden Decks, Tested Guardrail Post Connections for Residential Decks, BCD302 – Prescriptive Residential Wood Deck Construction Guide (DCA6 - 2012 IRC Version), BCD303 – Design for Code Acceptance No. What are the requirements for locations of diagonal knee braces? The BBRS regularly updates the state building codes as new information and technology becomes available and change is warranted. The IBC requires 42" high guardrails. The presentation will provide an overview of the significant changes to the DCA 6 and include several examples showing application of the guide. DCA6-12 contains new tables and other criteria based on changes to design values for all grades and sizes of visually-graded Southern Pine lumber effective June 1, 2013. The National Building Code of Canada sets basic parameters on decks, but provinces each have their own modifications based on climate. Deck Footings. /$���� h�b```��l�[�@��(������֜ [�%�����@:`�p�R�xؤ�j����� endstream endobj 342 0 obj <> endobj 343 0 obj <>/Font<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 344 0 obj <>stream Building code requirements for exterior decking railings and stairways are especially stringent because decks fall into the category of critical health and safety matters. Identify minimum prescriptive wood deck requirements. (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. Minimum post size is 6x6 nominal and maximum post height shall be … Understand the scope and limitations of DCA 6, Become familiar with the types of decks covered by DCA 6 and their differences, Become familiar with minimum sizing requirements for various deck structural elements, Understand the types of loads residential decks are designed to resist, Identify deck provision changes from the 2015 IRC and the corresponding DCA 6 along with a refresher on 2012 IRC provisions, Identify minimum prescriptive wood deck requirements, Describe deck construction including wood members and fasteners, Discuss provisions in DCA6 Commentary and provide other resources. 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). 404 0 obj <>stream View a free copy of the North Carolina Building Codes through the ICC. %PDF-1.7 %���� 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. live load floor joist span tables in chapter 7 of the state residential code (based on the 2012 International Residential Code). Construction can not deviate from the details herein unless prior approval is obtained from the authority having jurisdiction. Deck safety is a real problem. Commercial decks attached to multi-family buildings, such as apartment buildings or businesses, are regulated under the International Building Code (IBC). 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. Decks must be constructed in conformance with the details contained herein. 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. Diagnose common challenges faced when designing and building residential wood decks and how to overcome them. Learn everything you need to know about installing concrete footings to support your deck. Thinking about your next spring project or do you have a client that needs a wood deck designed? A completed Residential Deck Application and Residential Building Permit Application shall be submitted. DCA6 has been updated to include guidance on provisions for the 2012 International Residential Code (IRC) pertaining to single level residential wood deck construction. 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. 3. Provisions contained in this document that are not included in the IRC are considered good practice recommendations. 341 0 obj <> endobj How are lateral load devices provided for a deck being attached to an existing home? Includes Commentary and Appendices. 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). 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 … Deck and balcony collapses injure occupants every year. Includes guidance on provisions of the 2012 International Residential Code (IRC) pertaining to single level residential wood deck construction. Every year we hear about decks that collapse under the weight of people or snow load. 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. wood decks that are attached to the house to resist lateral forces. Ontario's deck building codes are not the same as British Columbia's deck building codes. Pro Tips on Building a Code-Compliant Deck By Rob Robillard. Hundreds of wood decks get built every year and some without the proper guidance for designing or constructing a safe deck. Roofed porches (open or screened-in) are permitted to be constructed using these provisions. Maximum 36 "oc solid stringer spacing for 2" thick treads. This article highlights certain engineering topics related to DCA 6 and provides some background for those issues. 6 - Prescriptive Residential Deck Construction Guide, http://awc.org/codes-standards/publications/dca6, BCD306 – Prescriptive Residential Wood Deck Construction Guide (DCA6-2015 Version), BCD307 – Deck FAQs: Deciphering DCA6 and More. By contrast, deck code is truly a matter of life and death and preventing serious injury. The building code (IRC) for decks applies whether the deck or porch is open or screened. Open risers: maximum opening of 4". 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. 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. Can I specify proprietary fasteners such as gun nails? Your deck drawings will indicate the size, number, and location of deck piers or deck footings. h�ęmO�8���?� �?�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���.��� �{�! Is there a soil capacity that can be assumed or do you have to do an actual test? Zoning Requirements: Decks are also required to meet the land use and setback requirements of the zoning code. Residential Code of Ohio (RCO) Deck and Porch Construction Pertinent Code Sections ... above the porch or deck on the interior side of the screening. Discuss provisions in DCA6 commentary and provide other resources. Columns in enclosed crawl spaces or unexcavated areas located within the periphery of the building when . 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. Identify minimum construction detailing requirements. '"�ϧE������f@&�Ս��OǓ�O#����gW:�d0t:�J��8}̢��Q�[k)� �?Oҙ����}X���i0�Q�H'����~� ����u#��h�l�T��r�xl~7�g(R�G�e���?s�����E~���O�b���a�uZ�����G�&A[�@��������ZHss��s��C���lt�s����ܮԸ7��Qri���� (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. The same goes for each province and territory in the Great White North. Provisions contained in this document that are not included in the IRC are considered good practice recommendations. Includes guidance on provisions of the 2015 International Residential Code (IRC) pertaining to single level residential wood deck construction. In the DCA6 you specify a live load = 40psf. Identify minimum material requirements for deck construction including wood members and fasteners. Computer deck design programs are … We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads. Depending upon building code requirements and soil conditions in your area, footings may also be required beneath the piers to spread the deck’s weight out. How are deck beams or girders attached to posts? For all other decks, a Building Permit and Occupancy Permit will be required. Does the wet service factor apply for residential wood decks? 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. Categorize code-compliant wood deck components versus those requiring approval by the authority having jurisdiction. endstream endobj startxref Our Seattle Municipal Code (SMC) limits the size and placement of your deck. I�gj?��XBI��(J�0�dD���H��1�J�S�0xJ�OEX�PP���C8�X�S(I(�C 4�e |�K�����r�J�m�"�p��DR :C��� ���i�ʈb��'J A deck is an exposed exterior wood floor structure that is permitted to be attached to the structure or freestanding. 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. A copy of this deck detail must be on the job site and available to the inspector during each required inspection. 377 0 obj <>/Filter/FlateDecode/ID[<3D64BA45E35FA045AC5DDFC328370DFF><04FABCC997BEBA41B7894B2BA49BCFFB>]/Index[341 65]/Info 340 0 R/Length 161/Prev 639978/Root 342 0 R/Size 406/Type/XRef/W[1 3 1]>>stream E-codes Decks The 8th edition of the Massachusetts State Building Code provides a prescriptive table for ledger board attachment of decks. �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�` �= Deck construction shall meet the requirements of the 2018 Kentucky Building Code which adopts and amends the 2015 International Residential Code. For a copy of DCA6-09, which is based on the 2009 IRC, click here. 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