Ever since the building project is developing the architect should decide weather there will be a staircase and what kind is the best suitable for the space(What is the Minimum allowable Depth of a Different Type of Stairways?). There are several questions that are helping in this decision: How much of space will it need? Where should it be located?Are there any possibilities to enhance the stairway’s usefulness and appearance? You should also know that a typical stairway needs as much room as a small bedroom on every story where it serves.
It is also important what type of a stairway you’ll want in your interior: straight run, scissor, winder, or spiral, stairways require significant space. Here are the diagrams that are great visual help to feature 10” treads as the minimum allowable depth.