If your requirement is outside of the options available here, you are thinking about using Posi-Rafters, or you require further information for specification purposes please email our design team UKDesign@mitek.co.uk. Spans for joists, Rafters and Beams (1) Except as required in Sentence (2) and Article 9.23.13.10., the spans for wood joists and rafters shall conform to the spans shown in Tables A-1 to A-7 for the uniform live loads shown in the Tables. The Ontario Building Code | Spans for Joists, Rafters and Beams 9.23.4.2. Floor Span Tables: 40 psf Live Load and 10 psf Dead Load TO USE: 1. It is assumed that for "Built-In" joists that the masonry is 100mm wide and for joists "On Hangers" the hanger has a 75mm bottom plate. 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BCI ® Joists are specially constructed I-joists with flanges made from strong VERSA-LAM ® laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives, providing outstanding strength and durability. iLevel Trus Joist® TJI® Joist Specifier’s Guide TJ-4000 February 2008 ALL IN ONE™ 2 Design Properties 3 Material Weights 3 Floor Span Tables 4 Floor Load Tables 5 PSF to PLF Conversion Table 5 Floor Performance 6 TJ-Pro™ Rated Floor System 7 Silent Floor® Joist Framing 8 Floor Details 9 Fastener Spacing and Diaphragm Design 9 (Table 1:1) 2. 0000026040 00000 n to the AF&PA Span Tables for Joists and Rafters, or the AF&PA Maximum Span Calculator for Joists & Rafters. These 46 tables are based upon design values for visually graded Southern Pine dimension lumber that became effective June 1, 2013. Trus Joist ® TJI Joist Specifier’s Guide TJ-4000 | July 2019. 0000001686 00000 n Whether you are designing a single or multistory structure, steel joists and joist girders are an efficient, cost-effective solution that can add a great deal of value to your structure. Joists & Rafters. 0000018317 00000 n 5. mm limit, the floor performance of lightweight I-Joist floors (especially without ceilings below e.g. Multiple spans are based on the longest span. �.nr�(�"��YP�d��v,{��h@�|KQæ���^|Pbtl�t�� Decide whether the joists will cantilever over or not. 0000002672 00000 n Ceiling Joist Span Use this table to determine the maximum lengths of ceiling joists based on species of lumber, joist spacing, and joist size. ®BCI Joists at 24" o.c. If a joist's "Max. The two (2) alternative SmartJoist Span Table shown in this manual have been de-signed to meet the strength and serviceability criteria of: Table 1 - AS 1720.3— 0000001538 00000 n 0000001340 00000 n Engineered Wood Products (EWP) Span and Size Charts for BCI ® Joists. For each application, a PDF download is available. R802.3.1 Ceiling joist and rafter connections. trailer <<4ad01420134611da8c53001124daefbc>]>> startxref 0 %%EOF 237 0 obj<>stream Tables listing Maximum Spans for Southern Pine joists and rafters are detailed below. 2. subfloors) may be considered unfit for purpose by some people. Surveyors and structural engineers utilise data from tables below to help calculate the correct size, strength and centres of roof timbers for the required spans and loadings. Maximum roof pitch of 25 degrees is assumed may be considered unfit for purpose by some people, when is. Visual and mechanical grades of Southern Pine lumber in sizes 2×4 thru 2×12 & maximum! 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