Lean-To

A structure having only one slope and depending upon another structure for partial support.

Length

Dimension of the building measured perpendicular to the main framing from end wall to end wall (outside face of girt to outside face of girt).

Leveling Plate

A steel plate used on top of a foundation or other support on which a structural column can rest.

Lift (Crane)

Maximum safe vertical distance through which the hook, magnet, or bucket can move.

Lifting Devices (Crane)

Buckets, magnets, grabs and other supplemental devices, the weight of which is to be considered part of the rated load, used for ease in handling certain types of loads.

Liner Panel

A metal panel attached to the inside flange of the girts or inside of a wall panel.

Live Load

See “Roof or Floor Live Load”.

Load Indicating Washers

A washer with dimples which flatten when the high strength bolt is tightened. The bolt tension can then be determined by the use of feeler gauges to determine the gap between the washer and the bolt head.

Longitudinal

The direction parallel to the ridge or sidewall.

Longitudinal (Crane)

Direction parallel to the crane runway beams.

Louver

An opening provided with fixed or movable, slanted fins to allow flow of air.

Low Rise Building

A description of a class of buildings usually less than 60′ eave height. Commonly, they are single story, but do not exceed 4 stories.

LRFD

Load and Resistance Factor Design.