A Cantilevered Picket guard system may only be used where the floor joist system is 16” o.c. Deck Design Guide Use this guide to help you build your deck. 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. <> 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 Deck Joist Maximum Spans No Cantilever With Cantilever* *Joists may cantilever up to ¼ of the actual adjacent span. Building codes for residential decks only require 40 psf. (b) shall be end nailed to an interior doubled header joist in conformance with Table 9.23.3.4. An improperly constructed deck is, to put it simply, dangerous. &�&���� ,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 endobj Image Credit: A Concord Carpenter. 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 Floor cantilever spans shall not exceed the nominal depth of the wood floor joist. Footings must sink below the frost line. The deck construction conforms to these details. 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. Guard: Refers to a protective barrier around decks, porches and the open side of stairs. 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. ��0���OT?�Y+������W��"iNK���H�HFZ�i�ı�H��Fꢹ��� Z݁�u�u��`����>��=�K�� ߟb�W endobj 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. (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. building permit application guide: drawing name: number of copies required: drawing . ��P��b�l���Z�k�|�]��H�2�A�|h�@�愆W*hc`��}��j��W7�c��-�X)�Ȕ��:��6��tV����x'�E����\'���j+!�>�:��^���~�^����fK �����5� �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�* A Building Permit gives you the legal authorization to start construction of a building project in accordance with approved drawings and specifications. 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. Pd�DNEz��sB�'�V4KR*^e��l�#8��� ��Д�:��=�W���u����"⣢Ji�ctj��#99V�U�r4��sь Learn about deck cantilever and overhang rules and codes at Decks.com. ���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 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"). 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. 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. deck deck structural plan & deck floor plan 2. d-2. The drawings and details specified are %���� It is intended to assist homeowners with their deck project while ensuring compliance with the requirements of the Ontario Building Code. 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]. 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. 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. Section R507.5 notes that deck joists can cantilever up to 1/4 of the joist span. Deck Building Code at Decks.com guards must be minimum 2x8 joists if the is... 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