Design should include

• equipment
• dispensary
• restrooms
• reception/waiting area
• retail and marketing

for an efficient and safe barbershop. 

Process/Skill Questions:

• What are the local, state, or federal regulations pertinent to barbershop equipment?
• What are the local, state, or federal regulations pertinent to the layout of a barbershop?
• How would you decide what furniture and equipment are needed to operate a barbershop?
• What cost factors should you consider when selecting furniture, equipment, and design?
• How much storage space should you allow for storing supplies?