Upon actuation of the refrigerant detector required in Section 18-28-1105.5, the mechanical ventilation system shall exhaust air from the machinery room in the following quantity:
![](https://export.amlegal.com/media/23d08bb70bbcc550a021522d179e3ad7f4c491b1/IMAGES/0-0-0-38971.png)
where:
Q = The airflow in cubic feet per minute (m3/s).
G = The design mass of refrigerant in pounds (kg) in the largest system, any part of which is located in the machinery room.