Building floor area: 13.9m * 12.8m Building floors: second floor Building height: 7.6m (excluding roof) Roof shape: pitched roof Design function: first floor: living room, bedroom, dining room, toilet, kitchen, workers' room; Second floor: study, living room, master bedroom, toilet, bedroom, toilet; Penthouse: storage room; Drawing list: architectural design description, first floor plan, second floor plan, loft plan, roof plan, south elevation, north elevation, east elevation, 1-1 section, apron practice, step practice, bottom floor railing detail, column detail, balcony railing detail, stair section, stair handrail, stair handrail detail, stair plane; Structure: design description, column structure plan, foundation plan, independent column foundation table, strip foundation table under the wall, second floor slab structure plan, third floor slab structure plan, purlin layout plan, second floor beam structure plan, mezzanine floor beam structure plan, when there is no lintel on the window top