single level deck with galary for a faith base community setting at an urban sprawl area. traditional orthodox influence design for normal day lighting to save cost. floor finish to supervising architect's specification 150mm over site floor slab, 300mm well ramped hard-core with overlay of DPC, substructure block work filled solid to 900mm depth minimum, and 225 x 675mm concrete foundation footing to depth determined by site engineer. aluminium rigde cap long span aluminium roofing sheet such as a 75 x 50mm well seasoned hardwoo timber purlins at 900 c/c 150 x50mm well seasoned hardwood timber rafters at 1500 c/c 100 x 75mm well seasoned hardwood timber wall plate at 1200 c/c 150 x 75mm well seasoned hardwood timber tie beam at 1200 c/c 150 x 75mm well seasoned hardwood timber kingpost at 1200 c/c 50 x 50mm well seasoned hardwood timber ceiling noggings at 1200 c/c