Prescriptive construction methods recommended meet or exceed minimum requirements of the IRC. Learn about deck cantilever and overhang rules and codes at Decks.com. &�&���� ,w�.8�������}�YI:�Tb��G�D����O���-]�)��H~���}�=p���bnE���kFFS2Fk���A���k�8���D>?�$+��܄>-���Z��~��������i��4�&�t1k)uDt���zg�m�Z����J)�S��s\d��|����-��şAV�i1^�1��6֓�Ӻ�H�\X�.�j���^��;P!��,d�ȃX��P���ʲF=7��^;����Hq��s� �kk�����A����F-ƹO x���j{��.0c�G3��J\π�l��}J�ǿ��֠�{A�X6���J},N��U� ?c�+n��n�ۣ0��:>���g����J&Yv����0�m�{p���� '���=���`P`���^F��8p����{����p�C��x�3T���3w���b��Ft^�]o��g��K�^/��Cz�Un����A,�5S.-�+qj��Qy���� �!����6XCN��'�����Kjѯ���/d^�Ry]Ç�gX��GH#�`Ui�* �$������E]�^Q The longer the joist, the more area of deck the joist supports, and thus the beam supports. The code includes regulations regarding the height, spacing, load, etc. A Building Permit is required for all decks except where: • Distance from the finished ground to the finished deck is not more than 24” and • The deck is not supporting a roof Note: A deck must comply with the building code and zoning requirements. 2 0 obj d-2. Floor joist MUST be minimum 2x8 joists if the deck is greater than 24” to walking surface. �ځ���ٮ�Bl�h����J�)�_+����ڗڝ7#�c���6))__�$�='��h�#��_ZO���F����]���t��V�X�����w2���AT]$)��M�H�H�H,d]d�u�Eset�QE�����77\��k�`J�㿢�@�G�*�w��=�P����o���nv�* Floor cantilevers constructed in accordance with Table R502.3.3 (1) shall be permitted where supporting a light-frame bearing wall and roof only. • Deck blocks can only be used where the deck is not attached to the house, the deck is less than 55m2 (592 ft2) and the distance from the finished ground to the under side of the floor joists is not more than 600 mm (23 5/8"). endobj These tables can also be used to determine deck joist span. 1. These tables have been provided for your convenience. �XZ��ͱ�=���g+���8�礹D)��Բe�����s9��LT��������$�1�V`�UE64. They are available here in two forms, click on the one you want to download, but don't miss the 2016 CWC span table discussed further down this page. Guards that have a bottom and top rail shall have a … Can tile vered floor joists (1) floor joists supporting roof loads shall not be can tile vered more than 400 mm beyond their support s where 38 mm by 184 mm joists are used and not more than 600 mm beyond their support s where 38 mm by 235 mm or larger joists are used. The deck construction conforms to these details. Guard: Refers to a protective barrier around decks, porches and the open side of stairs. 3 0 obj building permit application guide: drawing name: number of copies required: drawing . <> The use of either Post and Rail or Cantilevered Picket systems above requires the decks floor joists be a minimum of 2”x8” in size. Once you have your footing plan, you need to excavate proper diameter holes (specific to your deck plan and depend on the tributary load area to each footing) to a depth of 4’. Guards must be installed as per SB-7 of the 2012 Ontario Building code 6. The drawings and details specified are typical construction details and other methods may be permitted upon authorization from Building Services at the discretion of the Building Official. Building Permits are issued by the Building Services Division and are reviewed for compliance with the Ontario Building Code, the appropriate municipal Zoning By- An improperly constructed deck is, to put it simply, dangerous. Building codes for residential decks only require 40 psf. Typical Residential Deck Construction Details Frequently Asked Questions Column Footing Sizes to support columns and deck assembly shall be sized in accordance with 9.15.3.4.(1). For example, a 2 x 12 joist placed 16” OC. The Ontario Building Code | Cantilevered Floor Joists 9.23.9.9. endobj Typically, wherever the deck is more than 48″ off the ground, codes require that the posts be braced to prevent swaying and rocking. %���� … Deck Joist Cantilever Rules and Limits The distance your joists can safely cantilever or overhang a drop beam is determined by the size of the joists, the wood type and grade of the lumber and the spacing between joists. DECK BUILDING CODE TIPS. Important notes The design and construction of a deck and/or porch must comply with Hamilton Township Zoning By-Laws as well as the OBC. 5. dimensions and specifications of roof trusses and engineered floor systems are sheet no. Deck Joist Maximum Spans No Cantilever With Cantilever* *Joists may cantilever up to ¼ of the actual adjacent span. Once the excavation for your deck is complete, as an option you can put 6” of gravel at the botto… Image Credit: A Concord Carpenter. Jun 10, 2015 - There are several factors that determine the maximum joist cantilever overhang that is permitted for a deck. * Cutouts–A spa or hot tub can be set on the deck if the structure is reinforced to carry the weight of the water, or it can be adjusted directly on a concrete slab on the ground with the deck built around it. ���i '�%o�B����1�SDB9=0�,kpZ���C��0��e�u��VB��MJظvC�Xe"��W��e!vъ*9!����y}q^O�S��W��&J�G��EP�U�Բ.����e% ���h˪"F��tȸL�_+����5.� o.�E�K��7P�cتz�,��%� $^- Deck Design Guide Use this guide to help you build your deck. building a deck information guide ... cantilever 2x6 12" not permitted 16" 24" 10'-4" 8'-2" 9'-4" lesser of 16" or 1/6 of total joist length ... governing codes including the ontario building code. Footings must sink below the frost line. In the absence of any code documents of deck span tables in Canada, in 2008 I compiled my span tables from many sources for decks made with Canadian lumber. (3) Where cantilevered floor joists described in Sentences (1) and (2) are at right angles to the main floor joists, the tail joists in the cantilevered portion shall, (a) extend inward away from the cantilever support a distance equal to not less than six times the length of the cantilever, and. A Cantilevered Picket guard system may only be used where the floor joist system is 16” o.c. For example, in the joist span table below, the highlighted cell shows that 2" x 8" Southern Yellow Pine joists, that have a grade of #2, and are spaced 24" apart can have a maximum span of 10 feet - 3 inches (10-3) if designing for a live load of 40 lbs/ft 2 . The drawings and details specified are Floor joist must have a minimum of one row of blocking as per Table A-1 and the chart below. Minimum 2’-0” x 2’-0” X 8” to support 1 Storey loads. Deck Railing Code Ontario. Floor cantilevers supporting an exterior balcony are permitted to be constructed in accordance with Table R502.3.3 (2). (2) The cantilevered portions referred to in Sentence (1) shall not support floor loads from other storeys unless calculations are provided to show that the design resistances of the cantilevered joists are not exceeded. This material is COPYRIGHT © QUEEN'S PRINTER FOR ONTARIO, 2008-2018. 50 Dickson Street, 3rd Fl., Cambridge, Ontario, N1R 5W8 Telephone: (519) 621-0740 Fax: (519) 622-6184 TTY (519) 623-6691 www.cambridge.ca Building Permit Requirements for a Deck On a Single Family Dwelling A building permit for a deck is required when the deck is over 23 5/8” above grade at any point or if the deck has a roof. Home; Section 9 of the Ontario Building Code; Section 9 of the Ontario Building Code 3. 4 0 obj British Columbia Building Code (BCBC)³ dictates the structural requirements for exterior decks and balconies including stairs and guardrails. (1) floor joists supporting roof loads shall not be cantilevered more than 400 mm beyond their supports where 38 mm by 184 mm joists are used and not more than 600 mm beyond their supports where 38 mm by 235 mm or larger joists are used. Floor joists must meet requirements of Table A-1 of the 2012 Ontario Building Code. <>>> 9 ILLUSTRATED GUIDE For Building Safe and Durable Wood Decks and Balconies Structural Design British Columbia Building Code (BCBC)³ dictates the structural requirements for exterior decks and balconies including stairs and guardrails. The information contained in this document is for references only. To excavate the footing you can either use a hand clam shovel combined with a metal pry bar to loosen the soil and remove stones, rent a hydraulic auger (we do not recommend using a 2 man auger) or hire a company specializing in footing drilling. A Building Permit gives you the legal authorization to start construction of a building project in accordance with approved drawings and specifications. walking surface of the deck (The top surface of the bottom rail on guards cannot exceed 5.5” in height off the walking surface of the deck it serves) 5. The Canadian Wood Council’s Beam Calculator has been developed for the purpose of information only. ��0���OT?�Y+������W��"iNK���H�HFZ�i�ı�H��Fꢹ��� Z݁�u�u��`����>��=�K�� ߟb�W Section R507.5 notes that deck joists can cantilever up to 1/4 of the joist span. sample drawings. =�� �_Ity�˟\�;ěj3��Z�i[D�������|����PgiS'e��ՈKQӸ�����I]��W��&�m�+��ہv�(��v This site is not an offical copy or maintitned by the Government of Ontario. For pressure-preservative-treated southern pine no. CLICK-Before-You-Dig -OR- DIAL-Before-You-Dig: 1(800)-242-3447 for no-cost utility marking. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Maximum 36 "oc solid stringer spacing for 2" thick treads; Maximum 18 "oc notched stringer spacing for 2" or 5/4 "thick treads; Maximum nosing of 0.75 "to 1.25" - maximum nosing radius of 9/16 "Open risers: maximum opening of 4" Closed risers: minimal nominal 1" thick riser material 4. must. Floor cantilever spans shall not exceed the nominal depth of the wood floor joist. Deck Construction Guide Based on the 2012 International Residential Code Code (IRC) Where applicable, provisions and details contained in this document are based on the International Residential [bracketed text references applicable sections of the IRC]. include/show (if applicable): sheet size: 11" x 17" address: designer: project 123 main street milton, ontario joe smith scale: as indicated. Many building departments limit joist cantilevers to 24" maximum. For DECK HEIGHT, the distance of deck walking surface to ground level at the highest point adjacent the deck, of up to and including 0.6m: no building permit is required. It is intended to assist homeowners with their deck project while ensuring compliance with the requirements of the Ontario Building Code. (b) shall be end nailed to an interior doubled header joist in conformance with Table 9.23.3.4. If the building complies with Part 9 of BCBC, which regulates endobj 1 0 obj stream 2 grade, there is a method that can be used for estimating beam spans for a preliminary design. OBC: Refers to the current amended version of the Ontario Building Code. The Ontario deck railing code is controlled by the Ministry of Municipal Affairs and Housing (Building and Development Branch), and we at Art Metal Workshop strictly follow it. But you’ll notice when you look at the portion of the span table for joists with cantilevers that the joist span for decks with a cantilever is often less than the span for the same sized joist without cantilevers. The mission of the Building Department is to contribute to Ontario's economic development, and protect the lives and safety of Ontario's citizens and its visitors, by providing timely and professional plan review and inspection services to ensure buildings and projects are built and developed in compliance with all applicable municipal and state code requirements. with their deck project while ensuring compliance with the requirements of the Ontario Building Code. Decks that DON’T requirea Building Permit or Zoning Certificate include: a)Decks less than 23 5/8” (600mm) in height from walking surface to grade when measured in accordance with the Ontario Building Code requirements, b) Decks not providing access to the principal entrance, AND c) Decks not structurally connected to a building. (Quick reference chart at the bottom of this document) 2. For more information, contact The City of Oshawa’s Building Department at 905-436-5658. NOTE: All deck guards shall meet the requirements of the Ontario Building Code SB-7 If the building complies with Part 9 of BCBC, which regulates the construction of houses and small buildings, then the structural requirements must meet the NOTE: All deck guards shall meet the requirements of the Ontario Building Code SB‐7 Supplementary Guidelines or be designed by Part 4 of the Ontario Building Code (Engineered Drawings). <> The basics of the codes are similar, with minor changes from area to area. Footing Size and Depth. ����$�����N�^��Z��|K+�l#����i�����h ���*@H���rc��فf�{�f|���bȼ��0.���*�cK(=��h�� Finished ground level Deck Beam Deck Floor Joist Header Deck Guard deck deck structural plan & deck floor plan 2. d-2. Building Codes for a Wood Deck. x��]msܶ���~�e*� ��x4c�%��I�ڝ~p��t�-�ҝr y:Нit��������N��%y����^��:�..��ׯ�ߞ?�����dI��[54ٷϟ���d�����ϾKBҬH>|z���vYŸ0��IŊ�N>��V?�����1���j����>��}�bg_����劖gV$?�qu^����>$���ۛUq������?ɇ�>�������Na�,-�[dR�ĤS�M�yu�p�8�w��z��J4�r�Қ-?����W:�|L�R|�zU��� %�P�FJ���������FF���;>����pݮ�͊��/� o����&��Q��%��ܨ2�����n�t�����z�_�N�;xrPr���w����w�{䭷����p��/]D��UZ�Nq���,O+���JY9E(y�ӫ$�|#���2�2�6c������s����ݯ������6,-��j�In�^B�B:(�v�Y�[�(�k�!m���|�m�A~I�r(����'�f���Ppϓ�3�?�N�|� %5�KRA��w-�Gj��Z9��.ҡ�����@yH�;�y�[�H>Ysr�aP���}|�eyyQ�?�%�q��Ƿ�����A�\�j��fМe�� �./~~ua��j�,^)���&�TT�����(�$�g��O�Ixפ� ���]��J�����c�=�z�:'�*��|D�Ǘ���K�[p\T�Ջ�y�Q|T[�P��Enq��C�~�p4ߥ梨$�R#�o�����7=�as�0NE�POn�� building division. Although all possible efforts have been made to ensure that the information from this tool is accurate, the CWC cannot guarantee the completeness, accuracy or exactness of the information. %PDF-1.5 Pd�DNEz��sB�'�V4KR*^e��l�#8��� ��Д�:��=�W���u����"⣢Ji�ctj��#99V�U�r4��sь and Table 9.15.3.4. RESIDENTIAL PRESCRIPTIVE EXTERIOR WOOD DECK SPAN GUIDE TABLE 3a - DECK JOIST SPANS INCISED (m) Maximum Allowable Joist Size 200 mm Joist Spacing 300 mm Joist Spacing 400 mm Joist Spacing 600 mm Joist Spacing Cantilever (mm) DF -L H FS P Nor (mm)3 38 x 892 2.30 2.19 1.98 2.01 1.91 1.73 1.82 1.74 1.57 1.51 1.58 1.52 1.32 200 spanning 16’-6” between supports may cantilever up to an additional 4’-1 ½” for a total maximum length of 20’ -7 ½” Southern Pine Deck Beam Maximum Spans* ��P��b�l���Z�k�|�]��H�2�A�|h�@�愆W*hc`��}��j��W7�c��-�X)�Ȕ��:��6��tV����x'�E����\'���j+!�>�:��^���~�^����fK �����5� Be installed as per Table A-1 and the chart below put it,! 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