2. A 7 storey apartment building is in the shape of a prism. The total footprint of the building’s ground floor is 9850 ft2.
a. Assuming the building is 70ft high, what is the total volume of the building?
b. Building codes require the total volume of air inside to be exchanged at least once per
day. Assuming that there are three air exchangers, what is their minimum exchange
rate (cubic feet per hour) in order to be code compliant?