Cooper B-Line Seismic Restraints - Dixie Construction Products

Seismic Bracing Charts for Trapeze Supports - Figure 11
Table 2 cont. for Seismic Force Level 0.30g (ASD)
TRAPEZE BRACING
Hanger Rod Size
Transverse Bracing 1 Longitudinal Bracing 1 Unbraced Trapeze Braced Trapeze
Total Support Brace Structure Brace Structure
Weight Span Interval 3,4 Connection Interval 3,4 Rod Minimum Rod Minimum
Connection
W t L t * Type 2 Type 2 Load 5 Rod Size 6 Load 5 Rod Size 6
lbs./ft. ft. ft. ft. lbs. in. lbs. in.
26 - 50 12 --- --- 12 I 330 3/8 420 3/8
26 - 50 12 12 II 24 II 330 3 /8 510 3 /8
26 - 50 12 --- --- 36 III 330 3 /8 600 3 /8
26 - 50 12 24 IV 60 IV 330 3/8 780 1/2
26 - 50 12 36 V 72 V 330 3 /8 870 1 /2
26 - 50 16 --- --- 16 I 440 3 /8 560 3 /8
26 - 50 16 16 III 32 III 440 3 /8 680 1 /2
26 - 50 16 --- --- 48 IV 440 3/8 800 1/2
26 - 50 16 32 V 80 V 440 3 /8 1040 1 /2
26 - 50 20 --- --- 20 II 550 3 /8 700 1 /2
26 - 50 20 20 III 40 III 550 3/8 850 1/2
26 - 50 20 --- --- 60 IV 550 3 /8 1000 1 /2
26 - 50 20 40 V 80 V 550 3 /8 1150 1 /2
26 - 50 24 --- --- 24 II 660 1 /2 840 1 /2
26 - 50 24 24 IV 48 IV 660 1/2 1020 1/2
26 - 50 24 --- --- 72 V 660 1 /2 1200 5 /8
51 - 75 6 --- --- 6 I 248 3/8 315 3/8
51 - 75 6 6 II 18 II 248 3 /8 450 3 /8
51 - 75 6 12 III 24 III 248 3/8 517 3/8
51 - 75 6 18 IV 42 IV 248 3 /8 720 1 /2
51 - 75 6 30 V 60 V 248 3 /8 922 1 /2
51 - 75 8 --- --- 8 I 330 3 /8 420 3 /8
51 - 75 8 8 II 16 II 330 3/8 510 3/8
51 - 75 8 --- --- 24 III 330 3 /8 600 3 /8
51 - 75 8 16 IV 40 IV 330 3/8 780 1/2
51 - 75 8 24 V 56 V 330 3 /8 960 1 /2
51 - 75 10 --- --- 10 I 413 3 /8 525 3 /8
51 - 75 10 10 III 20 III 413 3 /8 637 1 /2
51 - 75 10 20 IV 40 IV 413 3/8 862 1/2
51 - 75 10 30 V 60 V 413 3 /8 1087 1 /2
51 - 75 12 --- --- 12 II 495 3 /8 630 1 /2
51 - 75 12 12 III 24 III 495 3/8 765 1/2
51 - 75 12 --- --- 36 IV 495 3 /8 900 1 /2
51 - 75 12 24 V 60 V 495 3 /8 1170 1 /2
51 - 75 16 --- --- 16 II 660 1/2 840 1/2
51 - 75 16 16 IV 32 IV 660 1 /2 1020 1 /2
51 - 75 16 --- --- 48 V 660 1 /2 1200 5 /8
51 - 75 20 --- --- 20 III 825 1 /2 1050 1 /2
51 - 75 20 20 IV 40 IV 825 1 /2 1275 5 /8
51 - 75 20 --- --- 60 V 825 1 /2 1500 5 /8
51 - 75 24 --- --- 24 III 990 1/2 1260 5/8
51 - 75 24 24 V 48 V 990 1 /2 1530 5 /8
* See note 2 on page 17.
See page 145 for footnotes.
COOPER B-Line
509 West Monroe Street
Highland, Illinois 62249
Phone: 800-851-7415
Fax: 618-654-1917
Date:
Page No.
Sheet Number:
Raafat S. Aboulhosn
Structural Engineer S 3913
6 - 2 - 06
120
of