Bc Building Code Deck Joist Spans

Wood decks and balconies in british columbia.

Bc building code deck joist spans.

Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span. For pressure preservative treated southern pine no. Deck building code tips. 2 grade there is a method that can be used for estimating beam spans for a preliminary design.

Building inspections beam and joist span tables built up wood floor beams supporting one floor in a house maximum spans for uniformly distributed loads species and grade supported built up beam size joist length 3 2x8 4 2x8 3 2x10 4 2x10 3 2x12 4 2x12 8 9 8 11 2 11 10 13 8 13 8 15 10. British columbia building code bcbc dictates the structural requirements for exterior decks and. The user enters the member geometry adds loads holes and other relevant data and then selects a product for analysis. 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.

Building codes for residential decks only require 40 psf. Additional support for the floor joists is achieved by nailing the ends of the joists into headers. I asked my local building official how he checks a deck plan to make sure the joist size and spacing combination will meet requirements of the building code he goes to the 40 lb. Section r502 10 of the international residential code states that header joists can be the same size as the floor joists when the header joist span isn t greater than 4 feet but if the header joist span is more than 4 feet you ll need to double the header joist and ensure that it s capable of.

Joist size spacing between joists decking material and wood species. Bc calc performs engineering analysis to help our customers size beams joists columns studs and tall walls for their building projects. It provides an overview of key principles that. The longer the joist the more area of deck the joist supports and thus the beam supports.

The deck joist span is distance between supporting beams below the joists. It is simple to use yet flexible enough to analyze a variety of common applications. Floor joist span tables for various sizes and species of wood. Framing joists and beams 12 lateral support14 decking 15 guards 16 stairs 17.

Maximum 36 oc solid stringer spacing for 2 thick treads.