This drawing is the architectural design drawing of a three-layer frame structure office building in a certain place, which includes the plan of the second floor, the plan of the first floor, the foundation layout plan, the detail drawing of the toilet, the plan of the first floor of 1 # staircase, the elevation, the frame column reinforcement plan, the beam reinforcement plan of the second floor, the beam reinforcement plan of the first floor, the beam reinforcement plan of the top floor and other drawings. All the contents can be seen in the compression package, which is very detailed,