Structural design of low-rise buildings - Code of practice for timber floors and roofs for housing
Structural design of low-rise buildings - Code of practice for timber floors and roofs for housing
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BS 8103-3:2009 Structural design of low-rise buildings. Code of practice for timber floors and roofs for housing BS 8103-3 gives recommendations for the sizes of timber elements, fixings, and their connections with masonry walls, floors and roofs. BS 8103-3 applies to:
Detached houses Semi-detached houses Terraced houses Flats (with not more than four self-contained dwelling units per floor, accessible from one staircase) Single-storey non-residential buildings e.g. domestic garages and annexes, not exceeding 36 m2 in floor area
BS 8103-3 is of use for property of not more than three storeys above ground, intended for domestic occupation. The design of proprietary housing systems, i.e. cross wall constructions, timber framed houses, steel or concrete framed constructions, concrete panel constructions, is not covered by this standard. The recommendations of BS 8103-3 apply only to housing where: a) The construction comprises masonry walls, timber roofs, suspended timber or precast concrete intermediate floors, suspended timber or concrete ground floors (either suspended or ground bearing) b) The roof profile is symmetrical duopitch, monopitch or flat c) The maximum clear span of a pitched roof does not exceed 12.0 m and imposes a total load on the supporting perimeter walls not greater than 12 kN/m run d) Gable and separating walls are of masonry construction extending up to the roof line in the case of pitched roofs e) The roof area is not larger than 200 m2 on plan, or, in the case of pitched roofs where no parapets exist, one of the roof dimensions does not exceed 10 m f) There are no other buildings within 1....
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