Question

a dormitory design includes shared bathrooms with no windows or vents. which nbcp provision applies?
ventilation is waived if usage is under 30 minutes.
enclosed toilets and baths must be equipped with mechanical ventilation systems.
t&bs are not required to have ventilation if separated by gender.
natural lighting is not required in group - use toilets.

Explanation:

Shared bathrooms without windows or vents are enclosed spaces. Building - code regulations typically require mechanical ventilation in such enclosed toilet and bath areas to ensure air quality and remove odors, moisture, etc.

Answer:

Enclosed toilets and baths must be equipped with mechanical ventilation systems.