This project is a CAD suite of steel structure parking shed plan, including a light steel structure parking shed on the first floor, which is designed according to the ninth degree seismic fortification, with a column perimeter area of 1642 square meters and a horizontal projection area of 273.6 square meters for the overhanging part. 8 drawings, including design description, foundation layout plan, roof plan, elevation, roof structure layout, roof purlin/brace/brace/corner