OPEN DECK CARPARK - BCA

Open deck carpark means a carpark in which all parts of the parking storeys are cross ventilated by permanent unobstructed openings in not fewer than 2 opposite or approximately opposite sides, and

• where each side that provides ventilation is not less than 1/6 of the area of any other side.
• the openings are not less than ½ of the wall area of the side concerned.