Page 284 - 2018_IRC

WALL CONSTRUCTION

TABLE R603.9.5(1)
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 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)
3.3 4.7 6.1 7.4 8.8 10.2 3,360 —

D 5.3 8.7 12.1 15.4 18.8 22.2 3,360 6,720
0

7.3 12.7 18.0 23.4 28.8 34.2 3,360 10,080

4.1 5.8 7.5 9.2 10.9 12.7 3,360 —

D 1 6.6 10.7 14.9 19.1 23.3 27.5 3,360 6,720

9.0 15.7 22.4 29.0 35.7 42.2 3,360 10,080

5.7 8.2 10.6 13.0 15.4 17.8 3,360 —

D 2 9.2 15.1 21.1 27.0 32.9 38.8 3,360 6,720

12.7 22.1 31.5 40.9 50.3 59.7 3,360 10,080

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 ® 259
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