scope:

Description

This standard establishes minimum performance requirements for the steel shelving generally known as single-tier bracket (freestanding) bookstack, consisting of two upright support columns per modular section with adjustable shelves cantilever-hung on brackets on both sides of the uprights. Such shelving conforms to three criteria.

Shelf Length and Width

Shelves are of uniform lengths and widths, formed of sheet metal, with cantilever-hung brackets that secure the shelves to the uprights.

Shelf Adjustability

Shelves are easily adjustable up and down, in one-inch increments, without tools.

Design Use

This shelving is designed primarily for use in libraries. 

Exclusions

It is not the purpose of this standard to describe the weight, thickness, composition, size, or configuration of structural members, nor the method of application, composition, or thickness of the finish.

This standard does not apply to the kinds of shelving described below in 1.2.1 and 1.2.2.

Four-Post Shelving

Four-post shelving consists of four angle-iron uprights per section with shelves hung by bolts or clips, designed primarily for use in warehouses or for industrial or commercial storage.

Case Shelving

Case shelving consists of full panel backs and tops, and end panels made to receive the shelves in slots. 

Application

Although requirements for steel bracket shelving may differ somewhat according to the kind of library and its collections, this standard specifies the minimum performance characteristics for such shelving for book collections in public, school, academic, and research libraries in the United States.