Outrigger beams shall be made of structural metal or equivalent strength material and shall be restrained to prevent movement.
The overhang of outrigger beams shall not exceed that specified by the design and the inboard length of beam shall be at least one and one-half times the outboard length unless otherwise designed by a registered design professional.
Outrigger beams shall be placed so that the suspension ropes will hang vertically.
Suspension ropes shall be securely fastened to the outrigger beams by steel shackles, thimbles, or equivalent means.