bill of materials


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bill of materials

The list of components that make up a system. For example, a bill of materials for a house would include the cement block, lumber, shingles, doors, windows, plumbing, electric, heating and so on. Each subassembly also contains a bill of materials; the heating system is made up of the furnace, ducts, etc. A bill of materials "implosion" links component pieces to a major assembly, while a bill of materials "explosion" breaks apart each assembly or subassembly into its component parts.

The first hierarchical databases were developed for automating bills of materials for manufacturing organizations in the early 1960s.

quantity survey

A detailed analysis and listing of all items of material and equipment necessary to construct a project. Also called a takeoff.
References in periodicals archive ?
It supports unlimited Bill of Materials levels, multiple inventory-issue methods, cycle counting, multiple warehouse locations, and a variety of purchase-order styles.
In the interest of simplicity, In-Track Systems has combined its router file, bill of materials, and bill of resources into one file, eliminating the need for a secondary file to handle outside purchases.