The Timber Promotion Council has released its latest publication in the Pocket Span Table Book, aimed at providing an on-the-job supplement to the timber framing standard, AS1684 Part 2

Stress grades and timber sizes combine to determine the spanning ability of load carrying members. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. For simple construction, such as domestic construction, this can be determined from span table supplements in AS1684.2 and AS1684.3. Span guide for residential framing Fully supported by September 2011. 2 Contents (FLW) can be determined from AS1684, or from the images below. These diagrams may also be used to determine roof load width for floor joists supporting load bearing walls and lintels in lower storey load bearing AS 1684.2 N1/N2 Supplement 4—2010 Residential timber-framed construction Part 2: Non-cyclonic areas N1/N2 Supplement 4: Timber framing span tables—Wind classification N1/N2—Seasoned softwood—Stress Grade MGP 10 (Supplement to AS 1684.2—2010) AS 1684.2 N1/N2 Supp 4—2010 This is a free 4 page sample. Access the full version online. (d) provide some adjustments to the Span Table values in Supplements for stress grades MGP 10, MGP 12 and MGP 15 in response to changes to the design characteristic values for these stress grades in AS 1720.1. NOTE:These adjustments have been made recognizing that MGP stress grades represent the major product usage in the marketplace. 1.1 Scope. AS 1684 specifies requirements for building practice and the selection, placement and fixing of the various structural elements used in the construction of timber-framed Buildings as defined by the Building Code of Australia and within the limitations given in Clause 1.6. AS 1684.2 N1/N2 Supplement 15—2006 Residential timber-framed construction Part 2: Non-cyclonic areas N1/N2 Supplement 15: Timber framing span tables—Wind classification N1/N2—Unseasoned hardwood—Stress Grade F17 (Supplement