Office of
FIRE PREVENTION
A-9.7.1.2. (2) Bedroom Window Opening
Areas and Dimensions
Although the minimum opening dimensions required for height and width are 15 inches,
a window opening that is 15 inches by 15 inches would not comply with the minimum
area requirements. (See Figure A-9.7.1.2. (2))
Figure A-9.7.1.2.(2)
Window opening area and dimensions
15 inches
15 inches
15 inches
Opening
area
1.55 f ²
Opening
area
3.76 f ²
36 inches
(a)
23 9/32 inches
23 9/32
inches
Opening
area
3.76 f ²
(c)
(b)
(a) conforms to opening height
and width requirements; does
not conform to opening area
requirements.
(b) and (c) conform to height, width
and opening area requirements
Office of
FIRE PREVENTION
Refer to #2, 16.2.2. Bedroom Windows of Inspection letter
A-9.7.1.2. (2) Bedroom Window Opening
Areas and Dimensions
Although the minimum opening dimensions required for height and width are 380 mm, a
window opening that is 380 mm by 380 mm would not comply with the minimum area
requirements. (See Figure A-9.7.1.2. (2))
Figure A-9.7.1.2.(2)
Window opening area and dimensions
380 mm
380 mm
Opening
area
0.144 m2
380 mm
920 mm
Opening
area
0.35 m2
(a)
592 mm
592 mm
Opening
area
0.35 m2
(c)
(b)
(a) conforms to opening height
and width requirements; does
not conform to opening area
requirements.
(b) and (c) conform to height, width
and opening area requirements