(Grating) - Clear span is the distance between the grating's supporting members measured from the inside point of one support to the inside point of the next support. Said a different way: clear span is the unsupported section of the grating. Clear span is a critical factor in determing a grating’s load characteristics.

The distance or opening between grating supports.

The clear horizontal distance between the supports of a load bearing member

Horizontal measurement between the inside faces of the bearing supports.

Area within building unobstructed by columns or posts.

The distance between mezzanine columns. Generally longer on structural steel mezzanines than on any other type. Also referred to as Column Spacing

Generally indicates the inside or interior frame to frame dimensions. Not to be confused with Span

Indicates the inside (interior) support/bearing-to-support/bearing dimensions. The unsupported horizontal distance between the inside edges of any two adjacent Truss supports. Not to be confused with SPAN.

The amount of floor area clear of interference from columns.

A term used to designate a building or an area within a building, free of columns.

The horizontal measurement between the points where a span connects to the foundation.

Horizontal distance between interior edges of supports.

Building without internal columns.

Distance between opposite faces of supports.

The truss length measured from inside face to inside face of adjacent supports.

The actual unsupported span between two support points.

Also called an allowable span, it's the distance of the span between supports.