Page 88 - ICC IEBC 2018

PERFORMANCE COMPLIANCE METHODS

1301.6.19 Incidental uses. Evaluate the protection of inci- 2. Category b—Smoke compartment size is greater
2
dental uses in accordance with Section 509.4.2 of the than 22,500 square feet (2092 m ).
International Building Code. Do not include those where 3. Category c—Smoke compartments are not pro-
this code requires automatic sprinkler systems throughout vided.
the building including covered and open mall buildings,
high-rise buildings, public garages and unlimited area 1301.6.21 Patient ability, concentration, smoke com-
buildings. Assign the lowest score from Table 1301.6.19 partment location and ratio to attendant. In I-2 occu-
for the building or floor area being evaluated and enter that pancies, the ability of patients, their concentration and
value into Table 1301.7 under Safety Parameter ratio to attendants shall be evaluated and applied in accor-
1301.6.19, Incidental Uses, for fire safety, means of egress dance with this section. Evaluate each smoke compart-
and general safety. If there are no specific occupancy areas ment using the categories in Sections 1301.6.21.1,
in the building or floor area being evaluated, the value 1301.6.21.2 and 1301.6.21.3 and enter the value in Table
shall be zero. 1301.7. To determine the safety factor, multiply the three
values together; if the sum is 9 or greater, compliance has
1301.6.20 Smoke compartmentation. Evaluate the
smoke compartments for compliance with Section 407.5 failed.
of the International Building Code. Under the categories 1301.6.21.1 Patient ability for self-preservation.
and occupancies in Table 1301.6.20, determine the appro- Evaluate the ability of the patients for self-preservation
priate smoke compartmentation value (SCV) and enter in each smoke compartment in an emergency. Under
that value into Table 1301.7 under Safety Parameter the categories and occupancies in Table 1301.6.21.1,
1301.6.20, Smoke Compartmentation, for fire safety, determine the appropriate value and enter that value in
means of egress and general safety. Facilities in Group I-2 Table 1301.7 under Safety Parameter 1301.6.21.1,
occupancies meeting Category b or c shall be considered Patient Ability for Self-preservation, for means of
to fail the evaluation. egress and general safety.
TABLE 1301.6.20 TABLE 1301.6.21.1
SMOKE COMPARTMENTATION VALUES PATIENT ABILITY VALUES
CATEGORIES a CATEGORIES
OCCUPANCY OCCUPANCY
a b c a b c
A, B, E, F, M, R and S 0 0 0 I-2 1 2 3
I-2 0 NP NP
1301.6.21.1.1 Categories. The categories for patient
2
For SI: 1 square foot = 0.093 m . ability for self-preservation are:
NP = Not Permitted. 1. Category a—(mobile) Patients are capable of
a. For areas between categories, the smoke compartmentation value shall be
obtained by linear interpolation. self-preservation without assistance.
2. Category b—(not mobile) Patients rely on
1301.6.20.1 Categories. Categories for smoke com-
partment size are: assistance for evacuation or relocation.
3. Category c—(not movable) Patients cannot be
1. Category a—Smoke compartment size is equal to evacuated or relocated.
2
or less than 22,500 square feet (2092 m ).

TABLE 1301.6.19
INCIDENTAL USE AREA VALUES
PROTECTION REQUIRED BY TABLE 509 PROTECTION PROVIDED
OF THE INTERNATIONAL BUILDING CODE None 1 hour AS AS with CRS 1 hour and AS 2 hours 2 hours and AS
2 hours and AS -4 -3 -2 -2 -1 -2 0
2 hours, or 1 hour and AS -3 -2 -1 -1 0 0 0
1 hour and AS -3 -2 -1 -1 0 -1 0
1 hour -1 0 -1 -1 0 0 0
1 hour, or AS with CRS -1 0 -1 -1 0 0 0
AS with CRS -1 -1 -1 -1 0 -1 0
1 hour or AS -1 0 0 0 0 0 0
AS = Automatic Sprinkler System;
CRS = Construction capable of resisting the passage of smoke (see IBC Section 509.4.2 of the International Building Code).
Note: For Table 1301.7, see page 71.

2018 INTERNATIONAL EXISTING BUILDING CODE ® 69
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