Product Specification: What is a product spec and how to write it?

A product spec is a document separated into different sections. It should begin with a summary of the idea, describing what it is, what problems it solves, and how it functions. A business case explores what effect the product is expected to make on the company’s bottom line.

A requirement specification is a collection of all requirements that are to be imposed on the design and verification of the product. The specification also contains other related information necessary for the design, verification, and maintenance of the product. There are requirements for things other than products, such as services, but in this discussion we are restricting our answers to products. Creating a specification should be the clients’ task, as they understand their needs best and know what they want. However, they don’t always come with a complete project specification.

Discuss the product spec internally

It is common for one organization to refer to the standards of another. Voluntary standards may become mandatory if adopted by a government or business contract. Specifications function as the communication vehicle that contractually binds internal and external stakeholders in agreement of the expectations of the final product. Other internal departments such as purchasing need specifications documents to procure materials. Quality teams need specifications to compare what’s coming off the product line to see if it meets the criteria.

what is specification

The functional specification is a kind of guideline and continuing reference point as the developers write the programming code. The PHA may duplicate, use, and disclose in any manner and for any purpose shop drawings delivered under this contract. Generally, architects will delegate them but oftentimes project engineers will be involved due to their breadth of technical knowledge.

Why is a product spec important?

This is based on the idea that words are easier for a jury to interpret than drawings in case of a dispute. A specification may refer to a standard which is often referenced by a contract or procurement document, or an otherwise agreed upon set of requirements . In any case, it provides the necessary details about the specific requirements. A product technical specification covers a product’s goal, function, and how the product team will bring it to fruition.

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Construction specifications, or specs, detail the work and workmanship required for each construction project. A variable specification is good when working on projects in the Scrum system, where the works are planned based on sprints . Scrum in combination with Time & Material brings the best results. In such an approach, an initial specification what is specification is a good starting point and a signpost for the further works, but the customer and the team aren’t bound by it and assume its variability. There’s nothing wrong with changing the specification during the course of the project. The implementation of projects often takes many months, so the client’s expectations may change during this time.

How to pronounce specification?

This way, you can make modifications to existing products or build a new product based on the customer’s needs. Often just a few changes could make your product ideal for the customers and save you a lot of time and resources. Often the words and terms used in the specifications can be difficult for most users not familiar with computers to understand. The easiest method of determining the meanings behind these terms is to perform a search on the word that confuses you. This dictionary definitions page includes all the possible meanings, example usage and translations of the word specification. A design specific includes details about the design of a product or packaging.

  • Tenant shall, at Landlord’s request, sign the Working Drawings to evidence its review and approval thereof.
  • Science-fiction writer Robert Heinlein once had his character Lazarus Long make the comment, “An elephant is a mouse built to government specifications.”
  • User personas which tell about the typical audience behavior based on audience research are also included.
  • For example, if you are procuring corrugate, a procurement specification might be that the material can withstand at least 60% relative humidity.
  • A standards document provides requirements, specifications, or guidelines that can be used to ensure that materials, products, processes and services are fit for their purpose and meet the accepted level of quality.

To prepare the specification model for test generation, set the model coverage objectives. In the Design Verifier tab, in the Prepare section, click Test Generation Settings. In the Configuration Parameters window, expand the Design Verifier list and click Test Generation.

Specification Definition

A well-written specification can help to ensure that a project is completed on time and within budget. A specification is a document that prescribes the requirements that a product or service must meet. In business, specifications are often used in tenders, contracts, and technical standards. To design a specification, you must capture all of the technical details and performance specifications of a product. There’s often many formats professionals design specification in, leading to difficulty in processing and analyzing data.

what is specification

The hardware development process is similar but includes some additional considerations for the outsourcing of parts and verification of the manufacturing process itself. Requirements are usually expressed in terms of narrative statements and in a relatively general way. Detailed Specifications means the specifications for materials and works as specified in PWD BSR/ issued under the authority of PWD/ or as implied/added to or superseded by the special conditions. The necessity of specification is to verify and check the strength of materials for a work involved in a project.

Collocations with specification

Now, there are tens of different flavors, various packaging sizes, and languages that have made this data impossible to manage using legacy systems. A formal specification is a mathematical description of software or hardware that may be used to develop an implementation. It describes what the system should do, not how the system should do it. Given such a specification, it is possible to use formal verification techniques to demonstrate that a candidate system design is correct with respect to that specification. This has the advantage that incorrect candidate system designs can be revised before a major investment has been made in actually implementing the design. An alternative approach is to use provably correct refinement steps to transform a specification into a design, and ultimately into an actual implementation, that is correct by construction.

what is specification

Most development groups have a formaltestplan that describes test cases that will exercise the programming that is written. Testing is done at the module level, at the component level and at the system level in context with other products. Some companies provide an early version of the product to a selected group of customers for testing in a “real world” situation. Technical specification means, with respect to any Software, the document setting forth the technical specifications for such Software and included in the Statement of Work.

Principles of specifications:

The first step in writing a product specification is defining the source of users’ problems, based on research data. A clear understanding of the target audience’s goals and ideal outcomes is a must before creating the spec. A product specification must cover the requirements and features to be included, too. Construction specifications will no doubt need dedicated time and resources to get them right. In general, the design phase is critical to setting up the success of a project and specs should be taken seriously.

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