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The Building Code Blog
IBC Allowable Area - Separated Mixed Occupancy
Description
Reference
Value
Unit
Code Edition
IBC
2015
2018
2021
-
Building Information
Construction Type
(IBC 601)
[Dynamic Dropdown]
-
Sprinklers
(IBC 903.3)
NFPA 13
NFPA 13R
None
-
Proposed Number of Stories
(IBC 202)
Stories
Frontage Increase Factor (I
f
)
(IBC 506.3.3)
-
Height and Area Limits
Occupancy 1
Occupancy 2
Occupancy 3
Occupancy 4
Occupancy 5
Occupancy 6
Occupancy
(IBC Chapter 3)
A-1
A-2
A-3
A-4
A-5
B
E
F-1
F-2
H-1
H-2
H-3
H-4
H-5
I-1 Condition 1
I-1 Condition 2
I-2 Condition 1
I-2 Condition 2
I-3
I-4
M
R-1
R-2
R-3
R-4
S-1
S-2
U
-
A-1
A-2
A-3
A-4
A-5
B
E
F-1
F-2
H-1
H-2
H-3
H-4
H-5
I-1 Condition 1
I-1 Condition 2
I-2 Condition 1
I-2 Condition 2
I-3
I-4
M
R-1
R-2
R-3
R-4
S-1
S-2
U
-
A-1
A-2
A-3
A-4
A-5
B
E
F-1
F-2
H-1
H-2
H-3
H-4
H-5
I-1 Condition 1
I-1 Condition 2
I-2 Condition 1
I-2 Condition 2
I-3
I-4
M
R-1
R-2
R-3
R-4
S-1
S-2
U
-
A-1
A-2
A-3
A-4
A-5
B
E
F-1
F-2
H-1
H-2
H-3
H-4
H-5
I-1 Condition 1
I-1 Condition 2
I-2 Condition 1
I-2 Condition 2
I-3
I-4
M
R-1
R-2
R-3
R-4
S-1
S-2
U
-
A-1
A-2
A-3
A-4
A-5
B
E
F-1
F-2
H-1
H-2
H-3
H-4
H-5
I-1 Condition 1
I-1 Condition 2
I-2 Condition 1
I-2 Condition 2
I-3
I-4
M
R-1
R-2
R-3
R-4
S-1
S-2
U
-
A-1
A-2
A-3
A-4
A-5
B
E
F-1
F-2
H-1
H-2
H-3
H-4
H-5
I-1 Condition 1
I-1 Condition 2
I-2 Condition 1
I-2 Condition 2
I-3
I-4
M
R-1
R-2
R-3
R-4
S-1
S-2
U
-
Max Height
(IBC Table 504.3)
Feet
Max Number of Stories
(IBC Table 504.4)
Stories
Max Area Per Floor
(IBC Equation 5-2 and 5-3)
SF
Proposed Areas
Total Floor Area
Ratio
Level 1
SF
Level 2
SF
Level 3
SF
Level 4
SF
Level 5
SF
Level 6
SF
Level 7
SF
Level 8
SF
Level 9
SF
Level 10
SF
Level 11
SF
Level 12
SF
Total
SF
Required Separations
Occupancy
N = No Separation Required
NP = Not Permitted
Notes
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