Cooper B-Line Seismic Restraints - Dixie Construction Products

TRAPEZE BRACING
Seismic Bracing Charts for Trapeze Supports - Figure 11
Table 2 cont. for Seismic Force Level 0.45g (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 6 --- --- 6 I 173 3 /8 240 3 /8
26 - 50 6 6 II 18 II 173 3/8 375 3/8
26 - 50 6 12 III 24 III 173 3 /8 442 3 /8
26 - 50 6 18 IV 42 IV 173 3/8 645 1/2
26 - 50 6 30 V 60 V 173 3 /8 847 5 /8
26 - 50 8 --- --- 8 I 230 3/8 320 3/8
26 - 50 8 8 II 16 II 230 3 /8 410 3 /8
26 - 50 8 --- --- 24 III 230 3/8 500 3/8
26 - 50 8 16 IV 40 IV 230 3 /8 680 1 /2
26 - 50 8 24 V 56 V 230 3/8 860 1/2
26 - 50 10 --- --- 10 I 288 3 /8 400 3 /8
26 - 50 10 10 III 20 III 288 3 /8 512 3 /8
26 - 50 10 20 IV 40 IV 288 3 /8 737 1 /2
26 - 50 10 30 V 60 V 288 3 /8 962 1 /2
26 - 50 12 --- --- 12 II 345 3/8 480 3/8
26 - 50 12 12 III 24 III 345 3 /8 615 1 /2
26 - 50 12 --- --- 36 IV 345 3/8 750 1/2
26 - 50 12 24 V 60 V 345 3 /8 1020 1 /2
26 - 50 16 --- --- 16 II 460 3/8 640 1/2
26 - 50 16 16 IV 32 IV 460 3 /8 820 1 /2
26 - 50 16 --- --- 48 V 460 3/8 1000 1/2
26 - 50 20 --- --- 20 III 575 3 /8 800 1 /2
26 - 50 20 20 IV 40 IV 575 3/8 1025 1/2
26 - 50 20 --- --- 60 V 575 3 /8 1250 5 /8
26 - 50 24 --- --- 24 III 690 1 /2 960 1 /2
26 - 50 24 24 V 48 V 690 1 /2 1230 5 /8
51 - 75 6 --- --- 6 I 259 3 /8 360 3 /8
51 - 75 6 6 II 12 II 259 3/8 461 3/8
51 - 75 6 --- --- 18 III 259 3 /8 562 3 /8
51 - 75 6 12 IV 24 IV 259 3/8 664 1/2
51 - 75 6 18 V 36 V 259 3 /8 866 1 /2
51 - 75 8 --- --- 8 II 345 3/8 480 3/8
51 - 75 8 8 III 16 III 345 3 /8 615 1 /2
51 - 75 8 --- --- 24 IV 345 3/8 750 1/2
51 - 75 8 16 V 40 V 345 3 /8 1020 1 /2
51 - 75 10 --- --- 10 II 432 3/8 600 3/8
51 - 75 10 10 IV 20 IV 432 3 /8 769 1 /2
51 - 75 10 20 V 40 V 432 3/8 1106 1/2
51 - 75 (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:
6 - 2 - 06
125
of
Raafat S. Aboulhosn
Structural Engineer S 3913