Design drawing of a straight staircase

Quick answer：

A design drawing of a straight staircase typically includes detailed plans, sections, and elevations that show the dimensions, materials, and construction details of the staircase. It is used by architects and builders to ensure accurate construction and compliance with safety standards. Key elements include the number of steps, the width and height of each step, the riser height and tread depth, handrail placement, and any additional features such as landings.