Page 217 - 2018_IRC

WALL CONSTRUCTION

For SI: 1 foot = 304.8 mm.
FIGURE R602.10.1.1
BRACED WALL LINES

TABLE R602.10.1.3
BRACED WALL LINE SPACING
BRACED WALL LINE SPACING CRITERIA
APPLICATION CONDITION BUILDING TYPE
Maximum Spacing Exception to Maximum Spacing
Ultimate design
Detached,
Wind bracing wind speed 100 mph townhouse 60 feet None
to < 140 mph
SDC A – C Detached Use wind bracing
SDC A – B Townhouse Use wind bracing
Up to 50 feet when length of required bracing per
SDC C Townhouse 35 feet Table R602.10.3(3) is adjusted in accordance with
Table R602.10.3(4).
Seismic bracing
Detached, Up to 35 feet to allow for a single room not to exceed
SDC D , D , D 2 townhouses, one- 25 feet 900 square feet. Spacing of all other braced wall lines
0
1
and two-story only shall not exceed 25 feet.
Up to 35 feet when length of required bracing per
Detached,
SDC D , D , D 2 townhouse 25 feet Table R602.10.3(3) is adjusted in accordance with
0
1
Table R602.10.3(4).
For SI: 1 foot = 304.8 mm, 1 square foot = 0.0929 m , 1 mile per hour = 0.447 m/s.
2

192 2018 INTERNATIONAL RESIDENTIAL CODE ®
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.