Plans and Specifications


A technical drawing, is used to fully and clearly define items & requirements for cost breakdown.

More than merely the drawing of pictures, it is also a language—a graphical language that communicates ideas and information from one mind to another

specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service. A specification is often a type of technical standard.

There are different types of technical specifications (specs), and the term is used differently in different technical contexts. They often refer to particular documents, and/or particular information within them. The word specification is broadly defined as “to state explicitly or in detail” or “to be specific”.

Using the term “specification” without a clear indication of what kind is confusing and considered bad practice.[according to whom?]

A requirement specification is a documented requirement, or set of documented requirements, to be satisfied by a given material, design, product, service, etc. It is a common early part of design and product development processes, in many fields.

A functional specification is a kind of requirement specification, and may show functional block diagrams.

A design or product specification describes the features of the solutions for the Requirement Specification, referring to either a designed solution or final produced solution. It is often used to guide fabrication/production. Sometimes the term specification is here used in connection with a data sheet (or spec sheet), which may be confusing. A data sheet describes the technical characteristics of an item or product, often published by a manufacturer to help people choose or use the products. A data sheet is not a technical specification in the sense of informing how to produce

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