Vulcraft_Joist_Catal..

OPEN WEB STEEL JOISTS, K-SERIES
NUMBER OF ROWS OF BRIDGING**
Refer to the K-Series Load Table and Specification Section 6. for required bolted diagonal bridging.
Distances are Joist Span lengths - See "Definition of Span" on page 30.
*Section One Two Three Four Five
Number Row Rows Rows Rows Rows
#1 Up thru 16' Over 16' thru 24' Over 24' thru 28'
#2 Up thru 17' Over 17' thru 25' Over 25’ thru 32'
#3 Up thru 18' Over 18 thru 28' Over 28’ thru 38' Over 38' thru 40'
#4 Up thru 19' Over 19' thru 28' Over 28’ thru 38' Over 38' thru 48'
#5 Up thru 19' Over 19' thru 29' Over 29’ thru 39' Over 39' thru 50' Over 50' thru 52'
#6 Up thru 19 Over 19' thru 29' Over 29’ thru 39' Over 39' thru 51' Over 51' thru 56'
#7 Up thru 20' Over 20' thru 33' Over 33’ thru 45' Over 45' thru 58' Over 58' thru 60'
#8 Up thru 20' Over 20' thru 33' Over 33’ thru 45' Over 45' thru 58' Over 58' thru 60'
#9 Up thru 20' Over 20' thru 33’ Over 33’ thru 46' Over 46’ thru 59' Over 59' thru 60'
#10 Up thru 20' Over 20' thru 37’ Over 37’ thru 51' Over 51’ thru 60'
#11 Up thru 20' Over 20' thru 38’ Over 38’ thru 53' Over 53’ thru 60'
#12 Up thru 20' Over 20' thru 39’ Over 39’ thru 53' Over 53’ thru 60'
* Last digit(s) of joist designation shown in Load Table
** See Section 5.11 for additional bridging required for uplift design.
METRIC
NUMBER OF ROWS OF BRIDGING**
Refer to the K-Series Metric Load Table and Specification Section 6. for required bolted diagonal bridging.
Distances are Joist Span lengths in Millimeters (mm) - See “Definition of Span” on page 30.
*Section One Two Three Four Five
Number Row Rows Rows Rows Rows
#1 up thru 4877 Over 4877 thru 7315 Over 7315 thru 8534
#2 up thru 5182 Over 5182 thru 7620 Over 7620 thru 9754
#3 up thru 5486 Over 5486 thru 8534 Over 8534 thru 11582 Over 11582 thru 12192
#4 up thru 5791 Over 5791 thru 8534 Over 8534 thru 11582 Over 11582 thru 14630
#5 up thru 5791 Over 5791 thru 8839 Over 8839 thru 11887 Over 11887 thru 15240 Over 15240 thru 15850
#6 up thru 5791 Over 5791 thru 8839 Over 8839 thru 11887 Over 11887 thru 15545 Over 15545 thru 17069
#7 up thru 6096 Over 6096 thru 10058 Over 10058 thru 13716 Over 13716 thru 17678 Over 17678 thru 18288
#8 up thru 6096 Over 6096 thru 10058 Over 10058 thru 13716 Over 13716 thru 17678 Over 17678 thru 18288
#9 up thru 6096 Over 6096 thru 10058 Over 10058 thru 14021 Over 14021 thru 17983 Over 17983 thru 18288
#10 up thru 6096 Over 6096 thru 11278 Over 11278 thru 15545 Over 15545 thru 18288
#11 up thru 6096 Over 6096 thru 11582 Over 11582 thru 16154 Over 16154 thru 18288
#12 up thru 6096 Over 6096 thru 11887 Over 11887 thru 16154 Over 16154 thru 18288
* Last digit(s) of joist designation shown in Load Table
** See Section 5.11 for additional bridging required for uplift design.
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