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I would like to see an example of this calc - does someone have one somewhere?

i have an angle iron spec'd out to bridge between two roof joists to mount a crane to (threaded rod through bolted into angle iron flange) - based off L/360 & L/240 deflection requirements i have landed around a L6x4x5/8" angle spanning the joists (5'-8" OC). the hanger load is centered and...