By providing a complete load diagram to the manufacturer. See the SJI Code Of Standard Practice for additional information.

Uplift bridging is required whenever the bottom chord goes into compression. This will be true if there are net concentrated up loads.

Additional resources:

• Technical Digest 2 – Bridging and Bracing of Steel Joists and Joist Girders.
• Technical Digest 6 – Design of Steel Joist Roofs to Resist Uplift Loads