Best answer: How do you show stairs on a floor plan?

How are stairs shown in floor plan?

In a floor plan, the parts of the stairs and the dimensions we are able to see are the width of the stairway, the landing, and the thread. The risers are shown in dashed lines, whereas the threads are in ordinary lines. The handrail is also often shown with two lines at 2″ from each other.

What does C stand for on a floor plan?

House plan abbreviations

What is the space under the stairs called?

If there is not another flight of stairs immediately underneath, the triangular space underneath the stairs is called a “spandrel”. It is frequently used as a closet.

How do I calculate stairs?

Determining the Rise



You divide the height by 7 inches; if, say, the floor-to-floor distance is 8 feet, 10 inches (or 106 inches), then you’ll need 15 treads (106 divided by 7 equals 15.14).

What does T in a circle mean on floor plans?

Electrical Symbols



A small circle bisected by two parallel lines is a wall outlet, while a circle superimposed over an X is a ceiling light and a T hanging from a circle is a thermostat.

What is DB in floor plan?

Condo/HDB Floor Plan Abbreviations Used in Singapore

Is it illegal not to have a handrail on stairs?

Handrails are mandatory. Stairs should have a handrail on at least one side if they are less than one metre wide, and on both sides if wider than this. Handrails should be placed between 900mm and 1000mm above the highest point on the staircase steps.

Can we make bathroom under stairs?

A bathroom, kitchen or puja room should never be built under a staircase. This area can only be used as a storage space.