CID Space Planning and Building Codes

Question 1

What is the minimum clear width required for residential doorways under ADA guidelines?

Accepted Answer

32 inches clear opening (36-inch door typically required)

Answer

24 inches

Answer

48 inches

Answer

No minimum requirement exists

Question 2

What is a space plan in interior design?

Accepted Answer

A scaled drawing showing the arrangement of furniture, fixtures, and circulation paths within a floor plan

Answer

A plan for maximizing storage space

Answer

A schedule for using shared spaces

Answer

An astronomical map of outer space

Question 3

What is the work triangle concept in kitchen design?

Accepted Answer

The optimal arrangement connecting the sink, stove, and refrigerator with total distances of 13-26 feet

Answer

Three countertop areas of equal size

Answer

A triangular-shaped kitchen island

Answer

Three doorways into the kitchen

Question 4

What are the standard ceiling heights for residential and commercial spaces?

Accepted Answer

Residential: 8-9 feet minimum; commercial: 9-10 feet minimum (varies by code and jurisdiction)

Answer

All spaces must be exactly 10 feet

Answer

There are no height requirements

Answer

Residential requires higher ceilings than commercial

Question 5

What is egress in building code terminology?

Accepted Answer

The path of exit travel from any point in a building to a public way, including exits and exit access

Answer

The entrance to a building

Answer

A type of window for ventilation

Answer

A decorative architectural feature

Question 6

What is the purpose of a reflected ceiling plan (RCP)?

Accepted Answer

A drawing showing the ceiling layout including light fixtures, HVAC diffusers, sprinklers, and ceiling materials as viewed from below

Answer

A mirror placed on the ceiling for decorative purposes

Answer

A plan showing the floor reflected to check symmetry

Answer

An upside-down floor plan