Nortel Meridian 1 Planning And Installation Manual page 105

Chapter 8 — Installing a backboard for bracing chassis against earthquakes
Table 14 provides the hardware recommendations for earthquake bracing.
Table 14
Hardware recommendations
Type of wall Fastener
Wood stud #10 Wood Screws
Metal stud #14 Sheet Metal Screws
Concrete 1/4 in. (6 mm) Hilti KB-II
Masonry 1/4 in. (6 mm) Ramset
Redhead Dynabolt
Sleeve Anchor
Table 15 lists the minimum sizes of wall studs with a 16-inch spacing.
Table 15
Minimum wall stud sizes — 16 inch spacing
Wall Studs
Wood Studs
2 X 4 (DF #2)
2 X 6 (DF #2)
Metal Studs
2 1/2 X 20 Gauge
2 1/2 X 16 Gauge
2 1/2 X 14 Gauge
3 5/8 X 20 Gauge
3 5/8 X 18 Gauge
3 5/8 X 16 Gauge
3 5/8 X 14 Gauge
4 X 20 Gauge
4 X 18 Gauge
4 X 16 Gauge
4 X 14 Gauge
Vertical spacing
between fasteners
12 in. (300 mm) on center
12 in. (300 mm) on center
24 in. (600 mm) on center
24 in. (600 mm) on center
Maximum Height of wall
11 ft (3300 mm)
19 ft (5700 mm)
9 ft (2700 mm)
10 ft (3000 mm)
11 ft (3300 mm)
12 ft (3600 mm)
13 ft (3900 mm)
14 ft (4200 mm)
16 ft (4800 mm)
14 ft (4200 mm)
15 ft (4500 mm)
16 ft (4800 mm)
17 ft (5100 mm)
Option 11C Mini Planning and Installation Guide
Page 85 of 590
Minimum depth
fasteners must be
embedded in the
wall
1 in. (25 mm)
1 1/8 in. (28 mm)