Page 285 - 2018_IRC

WALL CONSTRUCTION

TABLE R603.9.5(2)
REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING
WALLS WITH STONE OR MASONRY VENEER AND USING 43-MIL COLD-FORMED STEEL FRAMING AND 6-INCH SCREW SPACING ON
THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING
BRACED WALL LINE LENGTH
(feet)
SEISMIC 10 20 30 40 50 60 SINGLE-STORY CUMULATIVE
HOLD-DOWN
HOLD-DOWN
DESIGN STORY
FORCE
FORCE
CATEGORY Minimum total length of braced wall panels required (pounds) (pounds)
along each braced wall line
(feet)
2.8 4.0 5.1 6.3 7.5 8.7 3,960 —

D 0 4.5 7.4 10.2 13.1 16.0 18.8 3,960 7,920

6.2 10.7 15.3 19.9 24.4 29.0 3,960 11, 880

3.5 4.9 6.4 7.8 9.3 10.7 3,960 —

D 5.6 9.1 12.7 16.2 19.8 23.3 3,960 7,920
1

7.7 13.3 19.0 24.6 30.3 35.9 3,960 11, 880

4.9 6.9 9.0 11.0 13.1 15.1 3,960 —

D 2 7.8 12.9 17.9 22.9 27.9 32.9 3,960 7,920

10.8 18.8 26.7 34.7 42.7 50.7 3,960 11, 880

For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound-force = 4.448 N.

260 2018 INTERNATIONAL RESIDENTIAL CODE ®
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