Question: What Is A Standard Specification?

What are the two types of specification?

UK project specification types fall into two main categories prescriptive and performance.

Prescriptive specifications define the requirements using generic or proprietary descriptions of what is required, whereas performance specifications focus on the outcomes rather than the characteristics of the components..

Why are codes and standards important?

Codes and Standards draw a “line in the sand” requiring compliance by vendors, engineering contractors and owners regarding design, fabrication and operation of equipment. Codes and Standards also allow personnel to expand their knowledge base by use of the documents.

What is standard purchase specification?

Written guidelines that precisely define the operational, physical, and/or chemical characteristics, as well as the quality and quantity of a particular item to be acquired.

What is standard code and specification?

Unlike a code or standard, which can apply broadly to an industry and region, specifications outline the requirements of a specific company or product. A specification provides specific requirements for the materials, components or services used in an application.

Why is a specification important?

Let’s look at the main reasons why the specification is so important to the construction process: It provides clear instructions on the intent, performance and construction of the project. It can reference the quality and standards which should be applied. Materials and manufacturers’ products can be clearly defined.

Why is a purchase specification used?

The specification is the total description of the purchase. Specification Purpose—The purpose of any specification is to provide purchasing personnel with clear guidelines to purchasing, and to provide vendors with firm criteria of minimum product or service accept- ability. of the buyer’s requirements.

What should a specification include?

What should be included in a specification?Price format.For Services: day/hourly/all-inclusive rates (total cost)Quality.Quantity.Required supplier experience.Size / dimensions.Performance.Installation / maintenance / servicing / warranty.More items…•

What are the uses of specification?

Purposes of Specifications Purpose of specification is to highlight the necessary information which cannot be obtained from drawing. Further main purposes of writing specifications are; To show the strength of construction material or construction work. To show the ratio of concrete or mortar ingredients.

What is meant by design specification?

A design specification is a detailed document providing a list of points regarding a product or process. For example, the design specification could include required dimensions, environmental factors, ergonomic factors, aesthetic factors, maintenance that will be needed, etc.

What is difference between ASME and ASTM?

The American Society for Testing and Materials (ASTM) issues standards on material properties and testing. … The American Society of Mechanical Engineers (ASME), meanwhile, specifies standards for materials to be used in construction and infrastructure.

What is the difference between a standard and a specification?

A standard is a specification established by some institution that some class of objects or processes could or should satisfy. All standards are specifications. … In summary the difference is that all standards are specifications but not all specifications are standards.

What are the types of specification?

Four Types of “Specifications”Product Specification: This describes a manufacturer’s product and its performance without consideration for a particular building. … Project Specification: This describes an architect’s design and performance requirements for a particular building. … Master Specification: … Guide Specification:

What are the disadvantages of specification?

There are certain limitations of the job specification. Some of the disadvantages are mentioned below: It is a time-consuming process as it has to be very thorough and complete. A job description is time-bound and changes with changing technology and changing knowledge & skill requirements.

What are codes of practice and why are they important?

Codes of practice provide detailed safety and standards information on specific work tasks. A code of practice provides detailed information on specific work tasks to help you achieve the standards required under the work health and safety (WHS) laws.

How do you write a specification?

How to Structure a Software Specification Document:Define the Document’s Purpose. … Identify the Scope. … Provide a Software Overview. … Outline the Infrastructure Requirements. … Define the Functional Requirements. … Define the Non-functional Requirements. … Provide any References and Appendices.

Is job a specification?

It is known as employee specifications, a job specification is a written statement of educational qualifications, specific qualities, level of experience, physical, emotional, technical and communication skills required to perform a job, responsibilities involved in a job and other unusual sensory demands.

How do you write a project specification?

Here are seven ways to write better project specifications: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 meant by specification?

noun. the act of specifying. Usually specifications. a detailed description or assessment of requirements, dimensions, materials, etc., as of a proposed building, machine, bridge, etc.

What are the three types of specifications?

Generally, there are three different types of construction specifications found in contracts: prescriptive specifications, performance specifications, and proprietary specifications.

What is included in a specification?

A specification is a detailed description of the dimensions, construction, workmanship, materials etc., of work done or to be done on a project, prepared by an architect, engineer or designer, often referred to as specifiers.