Column and beam bracing used in lieu of standard diagonal cable bracing to provide clear access.

a technical term that distinguishes between an old style "Truss" frame with a horizontal bottom cord and zigzag angle iron, and a frame that follows the roofline

A rigid frame so designed that it offers rigidity and stability in its plane. It is used to resist wind loads where diagonal bracing is not permitted.

system of construction formed by two columns, articulated or restrainted at the foot, vertical or inclined, and connected to the higher part by a horizontal or broken cross-piece whose each fastener with the amount constitutes a restrainted connection. That involves a mutual dependence of the cross-piece and vertical supports with the hyperstatic system.