What are the three types of specifications?
- Requirement Specifications. Documentation of a business need.
- Design Specifications.
- Material Specifications.
- Standard Specifications.
- Interface Specifications.
- Test Specifications.
- Performance Specifications.
- Quality Specifications.
What are the different types of specification?
- General Specifications. In general specifications, nature and class of works and names of materials that should be used are described.
- Detailed Specifications. The detailed specifications form a part of a contract document. ...
- I will discuss some of the important topics regarding Specifications of different material construction techniques:
What are the characteristics of a good specification?
what are the characteristics of a good specification in procurement? Identify physical, functional, environmental and quality characteristics such as design, size, weight, power capacity, output, or grade of component. A good design specification should be clear, consistent and exact. Reasonable tolerances should be included and should be non-restrictive to encourage competition.
What are standard specifications?
INTRODUCTION
- Standard Specifications Binder Cover (08-23-2019)
- Standard Specifications Binder End Sheet (02-01-2008)
- Table of Contents (01-27-2021) Updated
- Introduction (02-01-2008)
- Signatory Agencies (02-01-2008)
What is the difference between features and specifications?
You’ll learn:
- What a functional specification is
- What a technical specification is
- The difference between functional and technical specifications
- Lots more
What are the different types of specifications?
8 Types of SpecificationsRequirement Specifications. Documentation of a business need. ... Design Specifications. Descriptions of how requirements will be realized. ... Material Specifications. ... Standard Specifications. ... Interface Specifications. ... Test Specifications. ... Performance Specifications. ... Quality Specifications.Sep 11, 2017
What is a 3 Part specification?
Each specification section is divided into three parts. These parts are Part 1–General, Part 2–Products, and Part 3–Execution. Each part includes particular information about the subject of the section. These three parts are fixed in number and title and are included in all specification sections.Nov 12, 2016
What are the 4 types of specifications?
Deciding among the four types of specifications—descriptive, performance, reference standard, and proprietary—and choosing how the specification is going to be written is only the first of many design decisions engineers make when starting to edit what will become a project specification, especially when specifying ...Aug 8, 2014
What are the three parts of a 3 Part specification?
Definition and Use. Though they go by other names, such as Product Guide Specifications or Guide Specifications, 3-Part Specifications, as the name implies, has three parts to the product specification: General, Products and Execution. Each part provides a standardized format of presenting specific product information.Oct 14, 2020
What are the types of specification in construction?
Types of Specifications;General Specifications.Detailed Specifications. a. Standard Specification. b. Special Specification.
What are material specifications?
Material Specifications means the description of the Material, including requirements, tolerances, shelf life, specifications, suppliers and safety data, that are set forth in Exhibit D.
What are the two types of specification?
There are two types of specifications.General Specifications.Detailed Specifications.Dec 3, 2014
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. A single item or article that has been specified.
What are the types of specification in procurement?
There are two main types of specification – the input and the output specification.Nov 16, 2021
What is an architectural specification?
According to the Dictionary of Architecture & Construction a specification is, “a written document describing in detail the scope of work, materials to be used, methods of installation, and quality of workmanship for a parcel of work to be placed under contract; usually utilized in conjunction with working (contract) ...Jan 7, 2022
What is a specification section?
Divisions form the framework of a project specification. Section: A portion of the specifications covering one or more segments of the total project. Sections are included in a project manual as needed to meet project requirements.Oct 17, 2003
What is specification in building system design?
Specification: A detailed description of the dimensions, construction, workmanship, materials etc., of work done or to be done, prepared by an architect, engineer etc.
What is construction specification?
Construction specifications, also called specs, are the details for the work that needs to be completed in a construction project. These details include information such as materials, the scope of work, installation process, and quality of work.
What are the three parts of a prescriptive specification?
Prescriptive specs can be broken up into three separate parts: general, products, and execution. General consists of information such as national quality standards, product handling, design requirements, and keeping quality control.
When to use proprietary specs?
When the owner or client wants to be consistent with their materials or just prefers a specific type of material , use proprietary specs. Contractors use proprietary specs when their section of the project is dependent upon the performance of a specific product.
What is performance specs?
Performance specs discuss the operational requirements of a project. It details what the final installed product has to be capable of doing. In this phase, the owner or general contractor doesn’t give a subcontractor specs detailing how to finish the job. Instead, designers and architects give contractors details on how the final product has to work in this phase. For example, a contract asks the team to make a pump that pumps 300 gallons per minute. There are no directions on how to make the pumping system go that fast, so it is up to the contractor to figure it out.
What is an open specification?
An open specification is when an architect does not name a specific supplier or product and allows for substitutions to be made by the contractor.
What is a prescriptive specification?
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: Prescriptive specs put a greater burden on the architect (as opposed to the general contractor) to ensure proper installation.
Performance Specifications
A performance specification is a document that specifies the operational requirements of a component or installation. Simply put, a performance specification tells the contractor what the final installed product must be capable of doing.
Prescriptive Specifications
Prescriptive specifications convey the requirements of a project through a detailed explanation of the materials that the contractor must use, and the means of installing those materials. This type of specification will typically be formatted in a manner similar to the following sections:
Proprietary Specifications
Proprietary specifications are those that require the use of a single approved product type for any particular installation. Proprietary specifications are often used in cases where there is existing equipment or installations already on site.
Construction Specification Standards
Construction specifications used in the United States typically conform to the guidelines of the Construction Specifications Institute (CSI), who have created a specifications index entitled MasterFormat.
Types of Construction Specifications
Here is a rundown of the aforementioned types of specifications in construction:
Importance of Construction Specifications
Catering to specific requirements is extremely important in the construction industry. Not only does it save time, but it also ensures top quality in all products used during construction.
How To Write Construction Specifications for a Contract Document
Writing detailed specifications is an interesting process because it involves much creativity and careful thought during the development stage.
Sources
National Fire Protection Association: Fire Sprinklered Buildings vs. Unsprinklered Buildings: What Is the Impact on Community Water Consumption?

What Are Construction Specifications?
Prescriptive Specifications
- Of the three types of construction specifications, prescriptive specsfocus on the details for the types of materials used and the installation of said materials. Architects or engineers tend to take over the job of project design in prescriptive specs. Prescriptive specs give a better image of what the final product will look like compared to other...
Performance Specifications
- After prescriptive specs come performance specs. Performance specsdiscuss the operational requirements of a project. It details what the final installed product has to be capable of doing. In this phase, the owner or general contractor doesn’t give a subcontractor specs detailing how to finish the job. Instead, designers and architects give contractors details on how the final produc…
Proprietary Specifications
- Proprietary specsare used when you need to use a single type of product for any kind of installation. These are the least common of the three types of construction specifications, but they are for jobs involving existing equipment and already completed installations. When the owner or client wants to be consistent with their materials or just prefers a specific type of mate…
Be as Specific as Possible
- Planning out a construction project is very time consuming and requires a lot of detail. It may seem overwhelming and tedious, but it is an essential step in starting a construction project. Without it, you waste times and money trying to figure it out. The more time you spend detailing each step of the project, the more likely your vision for the project will be executed accurately. B…