to 9.15.3.7., the minimum footing width or area shall comply with Table 9.15.3.4.Ģ) Where the supported joist span exceeds 4.9 m inīuildings with light wood-frame walls, floors and roofs, footing widths Basic Footing Widths and Areasġ) Except as provided in Sentences (2) and (3) and in Articles 9.15.3.5. Iii) floors and roofs of light wood-frameī)the span of supported joists does not exceed 4.9 m,Ĭ)the specified live load on any floor supported by the footing doesĢ) Except as provided in Sentence 9.15.3.4.(2), where the span of the supported joistsĮxceeds 4.9 m, footings shall be designed in accordance withģ) Where the specified live load exceeds 2.4 kPa, footings shall be designed in accordance with Section 4.2. Insulating concrete form walls or light wood-frame I) foundation walls of masonry, concrete, or flat insulating concrete form walls, Requirements provided in Articles 9.15.3.4. Application of Footing Width and Area Requirementsġ ) Except as provided in Sentence 9.15.3.4.(2), the minimum footing width or area Support of Footingsġ) Footings shall rest on undisturbed soil, rock or compacted granular fill.Ģ) Granular fill shall not contain pyritic material in a concentration that will damage the building to a degree that would adversely affect its stability or the performance Safe loadbearing capacity of the soil or rock is not exceeded. Footings Requiredġ) Footings shall be provided under walls, pilasters,Ĭolumns, piers, fireplaces and chimneys that bear on soil or rock, except that footings may be omitted under piers or monolithic concrete walls if the Wood-Frame Foundationsġ) Foundations of wood-frame construction shall conform toĪ)CAN/CSA-S406, “Construction of Preserved Wood Sentence (2), they shall be laid with cores placed vertically,Īnd where the width of the building is 4.3 m or less, placed with their longest dimension at right angles to the longest dimension of the building. Members and shall be spaced not more than 3.5 m apart along theįraming, unless the piers and their footings are designed forģ) The height of piers described in Sentence (2) shall not exceed 3 times their least dimension at the base ofĤ) Where concrete block is used for piers described in Pier-Type Foundationsġ) Where pier-type foundations are used, the piers shall be designed to support the applied loads from the superstructure.Ģ) Where piers are used as a foundation system in a building of 1 storey in building height, the piers shall be installed to support the principal framing “Concrete Block Masonry Units,” and shall have aĬompressive strength over the average net cross-sectional areaĬorbelling and protection for unit masonry shall conform toģ) For concrete block foundation walls required to be reinforced,Ī) mortar shall be Type S, conforming to CSAī) grout shall be coarse, conforming to CSAĪ179, “Mortar and Grout for Unit Masonry,”Ĭ) placement of grout shall conform to CSAīuildings.” 9.15.2.3. Unit Masonry Constructionġ) Concrete block shall conform to CSA A165.1, Homes,” the foundation shall be constructed in conformance withī)CSA Z240.10.1, “Site Preparation, Foundation, andġ) Concrete shall conform to Section 9.3. Foundations for Deformation-Resistant Buildingsġ) Where the superstructure of a detached building conforms to the requirements of the deformation resistance test inĬAN/CSA-Z240.2.1, “Structural Requirements for Mobile Permafrostġ) Buildings erected on permafrost shall have foundations designed by a designer competent in this field in accordance with the appropriate requirements of Part 4. Ģ) Foundations for applications other than as described in Sentence (1) shall be designed in accordance with Section 9.4. Of 3 m, and containing only a single dwelling unit. Storeys in building height, with a maximum floor to floor height Ii) for buildings of light-frame or flat insulating concrete form construction that are not more than 2 Ii) for buildings of wood-frame construction, andĬ) flat insulating concrete form foundation walls and concrete footings not subject to surcharge I) on stable soils with an allowable bearing pressure of 75 kPa or greater, and Ii)for buildings of wood-frame or masonry construction,ī) wood-frame foundation walls and wood or concrete footings not subject to surcharge I)on stable soils with an allowable bearing pressure of 75 kPa or greater, and 9.15.1.3., this Section applies toĪ)concrete or unit masonry foundation walls and concrete footings not subject to in Appendix A.)ġ) Except as provided in Articles 9.15.1.2.
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