Prescriptive Specifications contain detailed descriptions of what specific materials must be used as well as the installation instructions . This type of spec usually involves three key components: General provisions: requirements surrounding codes and standards.
What is prescriptive specification in procurement?
prescriptive specification. Specifications that describe not only the expected end result of construction , but also methods and materials that must be used to achieve the desired results. Also called proprietary specifications.
What is meant by prescriptive specifications?
A prescriptive-based specification is typically a compliance to set criteria and standards and/or detailed engineering design that may be well-developed and proven and therefore does not necessitate the need for strict performance evaluations.
What is perspective specification?
perspective specification. A document where the facility manager writes a full description of every detail of every product, material, and service to be supplied by the provider .
What are the types of specifications?
- General Specifications. General Specifications are also known as Brief Specifications. ...
- Detailed Specifications. Detailed Specifications shows, in the detailed description, characteristics, quantity, ratio and formation method of the material used in construction work.
What is a prescriptive method?
The Prescriptive Method provides engineering tables showing reinforcement specifications for common wall heights and openings , as well as connections between walls and footings, walls and floors, and walls and roofs. The Prescriptive Method, once adopted into the IRC has not been revised or updated.
What are the three types of specification?
In every construction project, there are three types of construction specifications. The three types of construction specifications are prescriptive, performance, and proprietary .
What is a descriptive specification?
A descriptive specification provides a written detail of a products properties without the use of trade or brand names . ... Such copying of a manufacturer’s specification would probably produce a “closed” specification unless the specification is specifically written by manufacturer to be non-restrictive.
What does prescriptive mean in construction?
A prescriptive code requires that each component is built to a certain standard , e.g. Wall R-value at least 20. A performance code requires that the building as a whole performs to a certain standard, e.g. uses less energy than the same building built to prescriptive code.
What are the types of specification in construction?
- General Specifications.
- Detailed Specifications.
What is specification and its type?
A specification is often a type of technical standard . There are different types of technical or engineering specifications (specs), and the term is used differently in different technical contexts. They often refer to particular documents, and/or particular information within them.
What are the examples of specification?
The definition of a specification is a precise requirement, or a detailed description of workmanship, materials or processes. A mandate that only domestic plywood be used in the construction of your home is an example of a specification.
What are the two common types of specification?
- Requirement Specifications. Documentation of a business need. ...
- Design Specifications. ...
- Material Specifications. ...
- Standard Specifications. ...
- Interface Specifications. ...
- Test Specifications. ...
- Performance Specifications. ...
- Quality Specifications.
What is specification method?
A specification method is a sequence of activities leading to the development of a . product , called a specification. A method should provide enough guidance on how to. conduct the activities and on how to evaluate the quality of the final product. A spec-
What should I write in specification?
- Include use cases. ...
- Project specifications should be neatly organised. ...
- Make it a living document. ...
- Make it a formal document. ...
- Include statements on your rationale. ...
- Know when to write one. ...
- Involve your team.
What is included in a specification?
Specifications describe the products, materials, and work required by a construction contract . They do not include cost, quantity, or drawn information, and so need to be read alongside other information such as quantities, schedules, and drawings.
