AS 1684.2 N1/N2 Supp 15-2006
Residential timber-framed construction - Non-cyclonic areas - N1/N2 Supplement 15: Timber framing span tables - Wind classification N1/N2 - Unseasoned hardwood - Stress Grade F17 (Supplement to ASÂ 1684.2-2006)
standard by Standards Australia, 01/01/2006