Cooper B-Line Seismic Restraints - Dixie Construction Products

TRAPEZE BRACING
Seismic Bracing Charts for Trapeze Supports - Figures 9 & 10
Table 1 cont. for Seismic Force Level 0.15g (ASD)
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 20 20 I 20 I 525 3 /8 600 3 /8
26 - 50 20 40 II 40 II 525 3 /8 675 1 /2
26 - 50 20 --- --- 80 III 525 3 /8 825 1 /2
26 - 50 24 24 I 24 I 630 3/8 720 1/2
26 - 50 24 --- --- 48 II 630 3 /8 810 1 /2
26 - 50 24 --- --- 72 III 630 3/8 900 1/2
51 - 75 6 18 I 18 I 237 3 /8 337 3 /8
51 - 75 6 36 II 36 II 237 3/8 439 3/8
51 - 75 6 --- --- 54 III 237 3 /8 540 3 /8
51 - 75 6 --- --- 78 IV 237 3/8 675 1/2
51 - 75 8 16 I 16 I 315 3 /8 405 3 /8
51 - 75 8 32 II 32 II 315 3/8 495 3/8
51 - 75 8 40 III 56 III 315 3 /8 630 1 /2
51 - 75 8 --- --- 80 IV 315 3/8 765 1/2
51 - 75 10 20 I 20 I 394 3 /8 506 3 /8
51 - 75 10 30 II 30 II 394 3 /8 562 3 /8
51 - 75 10 40 III 50 III 394 3 /8 675 1 /2
51 - 75 10 --- --- 80 IV 394 3 /8 844 1 /2
51 - 75 12 12 I 12 I 473 3/8 540 3/8
51 - 75 12 36 II 36 II 473 3 /8 675 1 /2
51 - 75 12 --- --- 48 III 473 3/8 742 1/2
51 - 75 12 --- --- 72 IV 473 3 /8 877 1 /2
51 - 75 16 16 I 16 I 630 1/2 720 1/2
51 - 75 16 32 II 32 II 630 1 /2 810 1 /2
51 - 75 16 --- --- 48 III 630 1/2 900 1/2
51 - 75 16 --- --- 80 IV 630 1 /2 1080 1 /2
51 - 75 20 20 I 20 I 788 1/2 900 1/2
51 - 75 20 40 III 40 III 788 1 /2 1012 1 /2
51 - 75 20 --- --- 80 IV 788 1/2 1237 5/8
51 - 75 24 24 II 24 II 945 1 /2 1080 1 /2
51 - 75 24 --- --- 48 III 945 1 /2 1215 5 /8
51 - 75 24 --- --- 72 IV 945 1 /2 1350 5 /8
76 - 100 6 12 I 12 I 315 3 /8 405 3 /8
76 - 100 6 24 II 24 II 315 3/8 495 3/8
76 - 100 6 36 III 42 III 315 3 /8 630 1 /2
76 - 100 6 --- --- 60 IV 315 3/8 765 1/2
76 - 100 6 --- --- 78 V 315 3 /8 900 1 /2
76 - 100 (W t ) continued on next page.
* 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
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