What is the difference between a plan quantity and an as-built quantity?

What is the difference between a plan quantity and an as-built quantity?

• A. Plan quantity is the designed quantity; as-built is the actual measured quantity in the field.
• B. Plan quantity is the actual field measurement; as-built is the designed quantity.
• C. They are always identical.
• D. Plan quantity is used for permits only.

Answer: (A)