3-47. A restaurant has an 800 ft2 cocktail lounge and a 3800 ft2 dining room, which are served by a single rooftop HVAC unit. Determine the outdoor (ventilation) air requirements for this unit based upon the selected occupancies. ASHRAE Standard 62.1 TABLE 6-1 MINIMUM VENTILATION RATES IN BREATHING ZONE states a cocktail lounge is 100 persons/1000 ft2 and 30 cfm per person, and a dining room is 70 persons/1000 ft2 and 20 cfm per person. Calculate the total cfm needed