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Where stone and masonry veneer are installed in accordance with Section R703.8, the length of full-height sheathing for exterior and interior wall lines backing or perpendicular to and laterally supporting walls with veneer shall comply with this section.
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
SEISMIC DESIGN CATEGORY STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY HOLD-DOWN FORCE (pounds) CUMULATIVE HOLD-DOWN FORCE (pounds)
10 20 30 40 50 60
Minimum total length of braced wall panels required along each braced wall line (feet)
D0 3.3 4.7 6.1 7.4 8.8 10.2 3,360
5.3 8.7 12.1 15.4 18.8 22.2 3,360 6,720
7.3 12.7 18.0 23.4 28.8 34.2 3,360 10,080
D1 4.1 5.8 7.5 9.2 10.9 12.7 3,360
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
D2 5.7 8.2 10.6 13.0 15.4 17.8 3,360
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.

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
SEISMIC DESIGN CATEGORY STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY HOLD-DOWN FORCE (pounds) CUMULATIVE HOLD-DOWN FORCE (pounds)
10 20 30 40 50 60
Minimum total length of braced wall panels required along each braced wall line (feet)
D0 2.8 4.0 5.1 6.3 7.5 8.7 3,960
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
D1 3.5 4.9 6.4 7.8 9.3 10.7 3,960
5.6 9.1 12.7 16.2 19.8 23.3 3,960 7,920
7.7 13.3 19.0 24.6 30.3 35.9 3,960 11, 880
D2 4.9 6.9 9.0 11.0 13.1 15.1 3,960
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.

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
SEISMIC DESIGN CATEGORY STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY HOLD-DOWN FORCE (pounds) CUMULATIVE HOLD-DOWN FORCE (pounds)
10 20 30 40 50 60
Minimum total length of braced wall panels required along each braced wall line (feet)
D0 2.5 3.6 4.6 5.7 6.8 7.8 4,392
4.0 6.6 9.2 11.8 14.4 17.0 4,392 8,784
5.6 9.7 13.8 17.9 22.0 26.2 4,392 13,176
D1 3.1 4.4 5.7 7.1 8.4 9.7 4,392
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
D2 4.4 6.2 8.1 10.0 11.8 13.7 4,392
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.

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 4-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING
SEISMIC DESIGN CATEGORY STORY BRACED WALL LINE LENGTH (feet) SINGLE-STORY HOLD-DOWN FORCE (pounds) CUMULATIVE HOLD-DOWN FORCE (pounds)
10 20 30 40 50 60
Minimum total length of braced wall panels required along each braced wall line (feet)
D0 1.9 2.7 3.4 4.2 5.0 5.8 5,928
3.0 4.9 6.8 8.8 10.7 12.6 5,928 11,856
D1 2.3 3.3 4.3 5.2 6.2 7.2 5,928
3.7 6.1 8.5 10.8 13.2 15.6 5,928 11,856
D2 3.3 4.6 6.0 7.4 8.7 10.1 5,928
5.2 8.6 11.9 15.3 18.6 22.0 5,928 11,856
For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound-force = 4.448 N.
R603.9.5.1 Seismic Design Category C
In Seismic Design Category C, the length of structural sheathing for walls supporting one story, roof and ceiling shall be the greater of the amounts required by Section R603.9.2, except Section R603.9.2.2 shall be permitted.
R603.9.5.2 Seismic Design Categories D0, D1 and D2
In Seismic Design Categories D0, D1 and D2, the required length of structural sheathing and overturning anchorage shall be determined in accordance with Tables R603.9.5(1), R603.9.5(2), R603.9.5(3), and R603.9.5(4). Overturning anchorage shall be installed on the doubled studs at the end of each full-height wall segment.