Page 286 - 2018_IRC

WALL CONSTRUCTION

TABLE R603.9.5(3)
REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING
WALLS WITH STONE OR MASONRY VENEER AND USING 33-MIL COLD-FORMED STEEL FRAMING AND 4-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)
2.5 3.6 4.6 5.7 6.8 7.8 4,392 —

D 4.0 6.6 9.2 11.8 14.4 17.0 4,392 8,784
0

5.6 9.7 13.8 17.9 22.0 26.2 4,392 13,176

3.1 4.4 5.7 7.1 8.4 9.7 4,392 —

D 1 5.0 8.2 11.4 14.6 17.8 21.0 4,392 8,784

6.9 12.0 17.1 22.2 27.3 32.4 4,392 13,176

4.4 6.2 8.1 10.0 11.8 13.7 4,392 —

D 2 7.1 11.6 16.1 20.6 25.1 29.7 4,392 8,784

9.7 16.9 24.1 31.3 38.5 45.7 4,392 13,176

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

2018 INTERNATIONAL RESIDENTIAL CODE ® 261
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