specifications

(engineering) An organized listing of basic requirements for materials of construction, product compositions, dimensions, or test conditions; a number of organizations publish standards (for example, American Society of Mechanical Engineers, American Petroleum Institute, and American Society for Testing and Materials), and many companies have their own specifications. Also known as specs.
(industrial engineering) A quantitative description of the required characteristics of a device, machine, structure, product, or process.

A part of the contract documents contained in the project manual consisting of written descriptions of a technical nature of materials, equipment construction systems, standards, and workmanship. Under the uniform system, the specifications comprise sixteen divisions.