Page 87 - ICC IEBC 2018

PERFORMANCE COMPLIANCE METHODS

TABLE 1301.6.16 2. Category b—Sprinklers are required in a portion
MIXED OCCUPANCY VALUES a of the building; sprinkler protection is not pro-
CATEGORIES vided or the sprinkler system design is not ade-
OCCUPANCY
a b c quate for the hazard protected in accordance with
A-1, A-2, R -10 0 10 Section 903 of the International Building Code.
A-3, A-4, B, E, F, M, S -5 0 5 3. Category c—Sprinklers are not required; none
are provided.
I-2 NP 0 5
4. Category d—Sprinklers are required in a portion
NP = Not Permitted.
of the building; sprinklers are provided in such
a. For fire-resistance ratings between categories, the value shall be obtained portion; the system is one that complied with the
by linear interpolation.
code at the time of installation and is maintained
and supervised in accordance with Section 903 of
1301.6.16.1 Categories. The categories for mixed
occupancies are: the International Building Code.
1. Category a—Occupancies separated by minimum 5. Category e—Sprinklers are required throughout;
1-hour fire barriers or minimum 1-hour horizon- sprinklers are provided throughout in accordance
tal assemblies, or both. with Chapter 9 of the International Building
Code.
2. Category b—Separations between occupancies in
accordance with Section 508.4 of the Interna- 6. Category f—Sprinklers are not required through-
tional Building Code. out; sprinklers are provided throughout in accor-
dance with Chapter 9 of the International
3. Category c—Separations between occupancies Building Code.
having a fire-resistance rating of not less than
twice that required by Section 508.4 of the Inter- 1301.6.18 Standpipes. Evaluate the ability to initiate
national Building Code. attack on a fire by making a supply of water readily avail-
able through the installation of standpipes in accordance
1301.6.17 Automatic sprinklers. Evaluate the ability to with Section 905 of the International Building Code.
suppress a fire based on the installation of an automatic “Required Standpipes” shall be based on the requirements
sprinkler system in accordance with Section 903.3.1.1 of of the International Building Code. Under the categories
the International Building Code. “Required sprinklers” and occupancies in Table 1301.6.18, determine the appro-
shall be based on the requirements of this code. Under the priate value and enter that value into Table 1301.7 under
categories and occupancies in Table 1301.6.17, determine Safety Parameter 1301.6.18, Standpipes, for fire safety,
the appropriate value and enter that value into Table means of egress, and general safety.
1301.7 under Safety Parameter 1301.6.17, Automatic
TABLE 1301.6.18
Sprinklers, for fire safety, means of egress divided by 2, STANDPIPE SYSTEM VALUES
and general safety. High-rise buildings defined in Chapter
CATEGORIES
2 of the International Building Code that undergo a OCCUPANCY
change of occupancy to Group R shall be equipped a a b c d
throughout with an automatic sprinkler system in accor- A-1, A-3, F, M, R, S-1 -6 0 4 6
dance with Section 403 of the International Building Code A-2 -4 0 2 4
and Chapter 9 of the International Building Code. Facili-
ties in Group I-2 occupancies meeting Category a, b, c or f A-4, B, E, S-2 -12 0 6 12
shall be considered to fail the evaluation. I-2 -2 0 1 2
TABLE 1301.6.17 a. This option cannot be taken if Category a or Category b in Section
SPRINKLER SYSTEM VALUES 1301.6.17 is used.
CATEGORIES
OCCUPANCY 1301.6.18.1 Standpipe categories. The categories for
a a b a c d e f
standpipe systems are:
A-1, A-3, F, M, R, S-1 -6 -3 0 2 4 6
1. Category a—Standpipes are required; standpipe
A-2 -4 -2 0 1 2 4
is not provided or the standpipe system design is
A-4, B, E, S-2 -12 -6 0 3 6 12 not in compliance with Section 905.3 of the
I-2 NP NP NP 8 10 NP International Building Code.
2. Category b—Standpipes are not required; none
NP = Not Permitted.
are provided.
a. These options cannot be taken if Category a in Section 1301.6.18 is used.
3. Category c—Standpipes are required; standpipes
1301.6.17.1 Categories. The categories for automatic
sprinkler system protection are: are provided in accordance with Section 905 of
the International Building Code.
1. Category a—Sprinklers are required throughout;
sprinkler protection is not provided or the sprin- 4. Category d—Standpipes are not required; stand-
kler system design is not adequate for the hazard pipes are provided in accordance with Section
protected in accordance with Section 903 of the 905 of the International Building Code.
International Building Code.

68 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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