Page 89 - ICC IEBC 2018

PERFORMANCE COMPLIANCE METHODS

1301.6.21.2 Patient concentration. Evaluate the con- 1301.8 Safety scores. The values in Table 1301.8 are the
centration of patients in each smoke compartment required mandatory safety scores for the evaluation process
under Section 1301.6.21.2. Under the categories and listed in Section 1301.6.
occupancies in Table 1301.6.21.2 determine the appro-
TABLE 1301.8
priate value and enter that value in Table 1301.7 under MANDATORY SAFETY SCORES a
Safety Parameter 1301.6.21.2, Patient Concentration, FIRE SAFETY MEANS OF GENERAL
for means of egress and general safety. OCCUPANCY (MFS) EGRESS (MME) SAFETY (MGS)
TABLE 1301.6.21.2 A-1 20 31 31
PATIENT CONCENTRATION VALUES
A-2 21 32 32
CATEGORIES
OCCUPANCY A-3 22 33 33
a b c
A-4, E 29 40 40
I-2 1 2 3
B 30 40 40
1301.6.21.2.1 Categories: The categories for patient F 24 34 34
concentration are:
I-2 19 34 34
1. Category a—smoke compartment has 1 to 10
patients. M 23 40 40
R 21 38 38
2. Category b—smoke compartment has more
than 10 to 40 patients. S-1 19 29 29
3. Category c—smoke compartment has more S-2 29 39 39
than 40 patients. a. MFS = Mandatory Fire Safety.
1301.6.21.3 Attendant-to-patient ratio. Evaluate the MME = Mandatory Means of Egress.
attendant-to-patient ratio for each compartment under MGS = Mandatory General Safety.
Section 1301.6.21.3. Under the categories and occu- 1301.9 Evaluation of building safety. The mandatory safety
pancies in Table 1301.6.21.3 determine the appropriate score in Table 1301.8 shall be subtracted from the building
value and enter that value in Table 1301.7 under Safety score in Table 1301.7 for each category in accordance with
Parameter 1301.6.21.3, Attendant-to-patient Ratio, for the evaluation formulas in Table 1301.9. Where the final
means of egress and general safety. score for any category equals zero or more, the building is in
1301.6.21.3.1 Categories. The categories for atten- compliance with the requirements of this section for that cate-
dant-to-patient concentrations are: gory. Where the final score for any category is less than zero,
the building is not in compliance with the requirements of
1. Category a—attendant-to-patient concentra-
tion is 1:5. this section.
1301.9.1 Mixed occupancies. For mixed occupancies, the
2. Category b—attendant-to-patient concentra-
tion is 1:6 to 1:10. following provisions shall apply:
1. Where the separation between mixed occupancies
3. Category c—attendant-to-patient concentra- does not qualify for any category indicated in Sec-
tion is greater than 1:10 or no patients.
tion 1301.6.16, the mandatory safety scores for the
TABLE 1301.6.21.3 occupancy with the lowest general safety score in
ATTENDANT-TO-PATIENT RATIO VALUES Table 1301.8 shall be utilized (see Section 1301.6).
CATEGORIES
OCCUPANCY 2. Where the separation between mixed occupancies
a b c qualifies for any category indicated in Section
I-2 1 2 3 1301.6.16, the mandatory safety scores for each
occupancy shall be placed against the evaluation
1301.7 Building score. After determining the appropriate scores for the appropriate occupancy.
data from Section 1301.6, enter those data in Table 1301.7
and total the building score.

TABLE 1301.9
EVALUATION FORMULAS a
FORMULA T1301.7 T1301.8 SCORE PASS FAIL
FS – MFS ≥ 0 ______ (FS) – ______ (MFS) = _______ _______ _______
ME – MME ≥ 0 ______ (ME) – ______ (MME) = _______ _______ _______
GS – MGS ≥ 0 ______ (GS) – ______ (MGS) = _______ _______ _______
a. FS = Fire Safety. MFS = Mandatory Fire Safety.
ME = Means of Egress. MME = Mandatory Means of Egress.
GS = General Safety. MGS = Mandatory General Safety.

70 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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