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// CODE SNIPPET

1301.6.20 Smoke Compartmentation

Existing Building Code 2018 of Illinois > 13 Performance Compliance Methods > 1301 General > 1301.6 Evaluation Process > 1301.6.20 Smoke Compartmentation
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Evaluate the smoke compartments for compliance with Section 407.5 of the International Building Code. Under the categories and occupancies in Table 1301.6.20, determine the appropriate smoke compartmentation value (SCV) and enter that value into Table 1301.7 under Safety Parameter 1301.6.20, Smoke Compartmentation, for fire safety, means of egress and general safety. Facilities in Group I-2 occupancies meeting Category b or c shall be considered to fail the evaluation.

TABLE 1301.6.20

SMOKE COMPARTMENTATION VALUES

OCCUPANCYCATEGORIESa
abc
A, B, E, F, M, R and S000
I-20NPNP

For SI: 1 square foot = 0.093 m2.

NP = Not Permitted.

  1. For areas between categories, the smoke compartmentation value shall be obtained by linear interpolation.

1301.6.20.1 Categories

Categories for smoke compartment size are:

  1. Category a—Smoke compartment size is equal to or less than 22,500 square feet (2092 m2).
  2. Category b—Smoke compartment size is greater than 22,500 square feet (2092 m2).
  3. Category c—Smoke compartments are not provided.

Related Code Sections


1301.6.20 Performance Compliance Methods, Smoke Compartmentation
1301.6.20, determine the appropriate smoke compartmentation value (SCV) and enter that value into Table 1301.7 under Safety Parameter 1301.6.20 ...
Existing Building Code 2018 of Illinois > 13 Performance Compliance Methods > 1301 General > 1301.6 Evaluation Process > 1301.6.20 Smoke Compartmentation
422.3.1 Special Detailed Requirements Based on Occupancy and Use, Means of Egress
Where ambulatory care facilities require smoke compartmentation in accordance with Section 422.3, the fire safety evacuation plans provided ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 422 Ambulatory Care Faciilities > 422.3 Smoke Compartments > 422.3.1 Means of Egress
405.5 Special Detailed Requirements Based on Occupancy and Use, Smoke Control System
A smoke control system shall be provided in accordance with Sections 405.5.1 and 405.5.2 ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 405 Underground Buildings > 405.5 Smoke Control System
405.4 Special Detailed Requirements Based on Occupancy and Use, Compartmentation
Compartmentation shall be in accordance with Sections 405.4.1 through 405.4.3 ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 405 Underground Buildings > 405.4 Compartmentation
1301.6.3 Performance Compliance Methods, Compartmentation
shafts, chases, stairways, walls, or columns. Using Table 1301.6.3, determine the appropriate compartmentation value (CV) and enter that value ...
Existing Building Code 2018 of Illinois > 13 Performance Compliance Methods > 1301 General > 1301.6 Evaluation Process > 1301.6.3 Compartmentation
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