Table of Contents
What is a specification drawing?
Working drawings and specifications are the primary working documents used by a contractor to bid and execute a project. Specifications are the written documents that go with the construction documents and describe the materials as well as the installation methods.
What does a technical specification do?
A technical specification document outlines how you’re going to address a technical problem by designing and building a solution for it. It’s sometimes also referred to as a technical design document, a software design document, or an engineering design document.
What is the purpose of technical drawings and specifications?
Technical drawings include the specifications required by structural engineers to ensure safety regulations are met. Instructions. The drawings give the builder clear guidance on how the building is to be constructed.
What are 3 types of technical drawings?
There are many types of technical drawings, including: 3D drawings (isometric, perspective) • Exploded-view 3D drawings • Complete working drawings • Detail drawings (2D orthogonal projections) •Diagrams are another form of technical drawing with looser, less universal standards.
Do specifications govern over drawings?
In order to resolve discrepancies between specifications and drawings, the contract included the following: General requirements, which stated “in case of differences between project specifications and the accompanying drawings, the specifications will govern.”Aug 28, 2017.
What are engineering specifications?
Specifications. As previously mentioned, engineering specifications stipulate specific details for engineering, design, fabrication, and construction of a facility. Piping specifications in particular are used by numerous groups, whose goal it is to see a piping project through to completion.
How do you write a good tech spec?
How to Write a Tech Spec Ground Rules. Header. The header should include the project name; the date; the author; and contributing team members. Overview. Summarize the project and link to external documents. Goals and Product Requirements. Assumptions. Out of Scope. Open Questions. Approach.
What is the difference between standards and specifications?
Standards provide the “how to” of executing codes. Specifications, unlike codes or standards, outline the requirements of a specific company or product. Regulations, which can incorporate codes and standards, are mandated by a government body and required, by law, to be complied with.
Why are specifications needed?
The specification provides clear instructions on project intent, performance and construction. It can reference the quality and standards which should be applied. Materials and manufacturers’ products can be clearly defined. Installation, testing and handover requirements can be identified.
Do architects do technical drawings?
Floor Plans There are also two different types of floor plans that can give you different perspectives on your home. A 2D floor plan will include measurements and dimensions of the space, along with door and window locations.
What is the purpose of specifications in a set of working drawings?
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) Aug 7, 2020.
What is a technical drawing architecture?
Technical drawings are graphic representations such as lines and symbols that follow specific conventions of scale and projection. They are used in architecture, construction, engineering, or mapping. In other words they are a set of sketches, diagrams, and plans, used to design, construct, and document buildings.
What are the 7 categories of technical drawing?
Sets of technical drawings In architecture, these include civil drawings, architectural drawings, structural drawings, mechanical systems drawings, electrical drawings, and plumbing drawings.
What is a technical drawing called?
Technical drawing, also known as drafting or draughting, is the act and discipline of making detailed drawings. These drawings visually communicate how something works or how it is to be made.
What is basic technical drawing?
This course provides students with the opportunity to learn the language of engineering and technology. Students gain skills in mechanical drawing and computer assisted design and drawing (CADD). They study geometric construction, orthographic projection, pictorial drawings and dimensioning.
What is the difference between Specifications and construction drawings?
Your house plans are a set of scaled drawings that show contractors what they are building. Your specifications (or specs) are a written document that details what materials will be used and how to install things.
What is the difference between drawing and specification?
Specifications will detail the materials, standards, techniques, and so on required to carry out the works. Construction drawings provide the graphical representation, indicating the arrangement of components, detailing, dimensions, and so on.
What is limit of retention in construction?
What is the ‘Limit of Retention Money? Retention sum is subjected to limit as per the stated percentage in the contract which is known as ‘Limit of Retention’. In general, ‘Limit of Retention’ is 5% of the contract sum. Therefore once the Limit of Retention is reached, you cannot deduct further Retention Money.
What are the four 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 types of specifications?
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 spec in tech?
A technical specification (tech spec) is a document that explains what a product or project will do and how you’ll achieve these goals. In a tech spec, show your client and team members what problem you’re solving, the goals or requirements for your project or product, and how you plan to achieve this.
What is a technical design specification?
A technical specification document defines the requirements for a project, product, or system. A specification is the information on technical design, development, and procedures related to the requirements it outlines.
How do you create a technical design document?
Here’s a template for your next design document Overview. Start at the beginning. Background. It’s unlikely that writing the design document is the first time you’ve thought about the problem. Goals, non-goals, and future goals. Detailed design. Third-party considerations. Work estimates. Roll-out plan. Alternative approaches.
