Assumptions Building importance level is 2 Wind classification is N2 (non-cyclonic) and the building is located in train category 2 Site class is M according to AS 2870 and soil bearing pressure is 150kPa Dead loads: roof and ceiling 0.4 kPa (sheet roof), floors 0.6 kPa, partition walls 0.4 kPs Live loads: roof 0.25 kPa, floor 1.5 kPa, deck 1.5 kPa All elements are F17 (seasoned hardwood) grade, plywood grade is F11 The storey height is 2.7 m, consider 300 mm thickness for roof and flooring system Spacings: Ceiling joists 1200 mm, floor joists 600 mm, roof rafters 1200 mm, wall posts 600 mm, roof batten 1200 mm where possible (same direction and the same size), bearer and joists are continuous spans Assume all studs are notched 20 mm The roof is made of sheets with 10 slope and a maximum permanent action of 40 kg/mincluding framing and ceiling mass Roof eaves are 600 mm, the slope of the verandah roof is 5 Assume each step is 20 cm and the land is completely flat The hip roof construction should be considered Cantilevered stumps in soil backfill are utilized Geometry and type of each element is indicated in the structural drawings, for each type of element you should find the smallest section to resist design loads (single elements are preferred (not double)) To resist lateral wind action, use diagonal timber lining (type e) with 60 mm nail spacing