scope:

The requirements in this Standard shall apply as follows:

(a) Chapters 1 and 2 shall apply to Building Fabricators, who fabricate and supply the structural steel frames for buildings.

(b) Chapters 1 and 3 shall apply to Metal Component Manufacturers, who manufacture components that include bracing not designed for primary loads (diaphragms, cross frames and lateral bracing); camera, light, sign and signal support structures; bridge rail; stairs; walkways; grid decks; drains; scuppers; expansion joints; bearings; ballast plates; and mechanical movable bridge equipment. Manufacturers of camera, light, sign and signal support structures; high mast light towers; bridge rail; complex expansion joints; high load multirotational (HLMR) bearings; and mechanical movable bridge equipment shall also be required to meet specific supplemental requirements to this Standard.

(c) Chapters 1 and 4 shall apply to Bridge Fabricators, who fabricate and supply steel highway or railroad bridges.

(d) Chapters 1 and 5 shall apply to Erectors.

In Chapters 2 through 5, only those subsections that are supplementary to Chapter 1 are indicated.

The Glossary is an integral part of this Standard. Nonmandatory Commentaries are provided for background, and the user is encouraged to consult them.