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 0.75g (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 Connection
Rod Minimum Rod Minimum
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.
51 - 75 6 6 II 6 II 282 3 /8 450 3 /8
51 - 75 6 12 IV 12 IV 282 3/8 619 1/2
51 - 75 6 24 V 24 V 282 3 /8 956 1 /2
51 - 75 8 8 III 8 III 375 3 /8 600 3 /8
51 - 75 8 16 IV 16 IV 375 3/8 825 1/2
51 - 75 8 24 V 24 V 375 3 /8 1050 1 /2
51 - 75 10 10 III 10 III 469 3 /8 750 1 /2
51 - 75 10 20 V 20 V 469 3/8 1031 1/2
51 - 75 12 12 IV 12 IV 563 3/8 900 1/2
51 - 75 12 24 V 24 V 563 3 /8 1237 5 /8
51 - 75 16 16 IV 16 IV 750 1 /2 1200 5 /8
51 - 75 20 20 V 20 V 938 1 /2 1500 5 /8
51 - 75 24 24 V 24 V 1125 1 /2 1800 5 /8
76 - 100 6 6 III 6 III 375 3 /8 600 3 /8
76 - 100 6 12 IV 12 IV 375 3 /8 825 1 /2
76 - 100 6 18 V 18 V 375 3 /8 1050 1 /2
76 - 100 8 8 III 8 III 500 3/8 800 1/2
76 - 100 8 16 V 16 V 500 3 /8 1100 1 /2
76 - 100 10 10 IV 10 IV 625 1/2 1000 1/2
76 - 100 12 12 IV 12 IV 750 1 /2 1200 5 /8
76 - 100 16 16 V 16 V 1000 1 /2 1600 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:
6 - 2 - 06
135
of
Raafat S. Aboulhosn
Structural Engineer S 3913