Page 155 - ICC IEBC 2018

APPENDIX C

[BS] C104.2.2 Main method of installation. Each hori- tion C104.2.2, horizontal braces shall be permitted to be
zontal brace shall be fastened to each existing roof or ceil- omitted for height limitations corresponding to Retrofit
ing member that it crosses using three 3-inch-long (76 Configurations A and B as defined in Table C104.2 pro-
mm) fasteners (No. 8 wood screws or 10d nails) as indi- vided that installation is as indicated in Figure C104.2.3
cated in Figure C104.2(1) and Figure C104.2(3) for trusses and provided that all of the following conditions are met.
and Figure C104.2(2) and Figure C104.2(4) for conven- This method is not permitted for Retrofit Configurations C
tionally framed gable end walls. Alternative methods for or D.
providing horizontal bracing of the gable end studs as pro- 1. There shall be not fewer than two horizontal braces
vided in Sections C104.2.3 through C104.2.9 shall be per- on each side of an omitted horizontal brace or not
mitted. fewer than one horizontal brace if it is the end hori-
[BS] C104.2.3 Omitted horizontal brace. Where condi- zontal brace. Omitted horizontal braces must be
tions exist that prevent installation in accordance with Sec- separated by not fewer than two horizontal braces

For SI: 1 inch = 25.4 mm.
[BS] FIGURE C104.2.3
OMITTED HORIZONTAL BRACE

136 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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