Architectural drafting is a specialized type of technical drawing that focuses on producing precise and detailed plans, elevations, and sections of buildings or structures.
This process requires the use of specific tools and techniques to accurately represent an architect’s design intent. These drawings serve as an important communication tool for architects, engineers, contractors, and other construction stakeholders.
Let’s learn more about architectural drafting, including techniques, applications, workflows, and a list of CAD software that can help you along the way.
Architectural drafting is the process of creating detailed plans and technical drawings that bring an architect’s vision to life.
Engineers, contractors, and other professionals use these plans to guide construction. Architectural drafting involves turning rough ideas and sketches into standardised, acceptable architectural drafts. The drafts include all of the project’s minute details, such as measurements, foundation plans, plumbing, and electrical wiring diagrams.
Architectural drafting is necessary to ensure that the construction process follows the architect’s vision. It is required in every city to obtain approval to begin work on a site, and it must comply with local building codes and regulations.
Architectural drafting is typically done with Computer-Aided Design (CAD) software, and drafters must have excellent communication and problem-solving abilities in order to collaborate closely with architects and engineers throughout the process.
In addition to architectural drafting, Solid Modelling is an important CAD technique. This method involves constructing a digital representation of an object’s geometry by adding and subtracting volumes to form a solid model.
Learn more about it in our previous post, “Solid Modelling: What it Is and How it Differs from Surface Modelling”.
Drafting Techniques and Practices
Drafting techniques and practices are required to create accurate and detailed drawings that can be understood by all parties involved in the construction project. Furthermore, architectural drafters must stay current on the latest building trends and technologies to ensure that their designs are both creative and efficient.
Some of the known techniques and practices in architectural drafting include:
- Hand-drawn Sketches: These are the initial sketches that capture the essence of a design idea.
- Digital Representations: With advancements in technology, complex digital representations are now used to guide the actual building process.
- Drafting: This involves using tools such as T-squares, drafting boards, and set squares to create more precise and detailed drawings. This technique is essential for producing construction documents that require accuracy and clarity.
- Technical Drawing: This involves creating technical, logical, and rational parts of architectural drawing. It might not be as expressive as freehand drawing, but it is just as important.
- Use of Colour: Colour can bring a drawing to life and is an important aspect of architectural drawing.
- Attention to Details: As Mies once said, “God is in the details.” Paying attention to the details in your drawings can make a big difference.
- Use of Diverse Line Styles and Weights: Using diverse line styles and weights can add depth and dimension to your drawings.
- Employing a Visual Hierarchy: This involves organising and presenting your drawings in a way that guides the viewer’s eye to the most important elements first.
- Embracing New Technologies: With the advent of CAD and BIM software, architects can now create more accurate and detailed drawings.
- Descriptive Geometry: This is a method of creating precise and detailed drawings that represent three-dimensional objects in two dimensions.
CAD Software for Architectural Drafting
There are several CAD (Computer-Aided Design) software solutions available for architectural drafting. These tools allow architects to create, edit, and annotate drawings with ease, increasing efficiency and accuracy in the design process. Additionally, CAD software enables architects to easily make revisions and collaborate with other professionals on the same project.
Here are some of the most popular ones according to Capterra:
- AutoCAD: 2D and 3D CAD software with design automation and architecture toolsets, plus web and mobile apps.
- Revit: A BIM (Building Information Modelling) software that includes features for architectural design, MEP and structural engineering, and construction.
- SketchUp: With a powerful 3D modeller, 2D documentation, cloud storage, AR/VR visualisation apps, and more, SketchUp’s suite gets the job done.
- ARCHICAD: Developed by Graphisoft, ARCHICAD is a BIM software product for architects.
- AutoCAD Architecture: An on-premise and cloud-based CAD solution designed to help create architectural designs and documents quickly and easily.
- Cedreo: The only 3D home design software to create house designs in just 2 hours, including 2D & 3D floor plans, interior & exterior renderings.
- Enscape: A real-time rendering and VR plugin that empowers design workflows by turning building models into immersive 3D experiences.
- Visio: Microsoft Visio is a diagramming solution that helps visualise data-connected business process flows, empower remote teamwork, and more.
These software solutions offer a range of features such as 2D drawing, annotations, BIM modelling, data import/export, data visualisation, design management, drafting, drag & drop, and rendering.
They can help architects produce detailed architectural drawings, enhance the creation of these drawings by enabling precise digital drafting, real-time adjustments, and seamless coordination.
What is architectural drafting (Image by BIM SCALER)
Architectural Drafting Workflow
The architectural drafting workflow typically consists of three main phases, according to The AEC Associates Blog. These phases include conceptual design, design development, and construction documentation. Each phase requires careful attention to detail and collaboration between architects, engineers, and other stakeholders to ensure the successful completion of a project.
The first step is the conceptualisation stage.
In this stage, architects and architectural drafting services work with clients to identify the basic requirements, preferences, and style quotient.
Rough sketches are prepared to illustrate the basic concepts of the design, spatial relationships, and the proposed structure’s basic form. Client approval is required before moving on to the next stages.
The second is the design development stage.
With client approval, the design team begins to develop the design in greater detail. The planning, exterior, interior, material specification, general structural details, and window and door placement have all been finalised.
Site plans, elevations, sections, and views are prepared for detailed discussions with the client in order to convey the final structure’s exact design.
The third is the construction documentation stage.
In this final stage, detailed construction documentation is created. This includes dimension drawings with every possible detail for the actual construction stage, ensuring that general contractors and subcontractors are not confused or misled about the design.
These three phases ensure that the architectural drafting services effectively communicate the client’s vision and requirements to the construction team, leading to a smooth and error-free construction process.
When creating architectural drafting, make sure to follow industry standards to ensure that the finished product complies with all applicable regulations and standards.
Read more about it in this post, “Drafting Standards: What They Are and How They Are Implemented”.
Conclusion
Architectural drafting serves as the backbone of successful architectural projects, ensuring precision, accuracy, and clarity in design documentation.
Architects and drafters can improve the quality and efficiency of their design and construction projects by understanding the fundamentals, adhering to standards, mastering drafting techniques, utilising CAD software, and following a well-defined workflow.
Transitioning from traditional drafting methods to Building Information Modelling (BIM) will take your architectural projects to the next level. Using BIM technology can help you and your construction team collaborate better, communicate more effectively, and complete tasks more quickly and error-free.
So, are you ready to switch to BIM to improve the quality and success of your architectural projects?
BIMscaler’s consulting and management services will provide you with end-to-end BIM usage for your project, starting with BIM/model management, content management, project start-up, project meetings, and end-user support, including as-built documentation creation.
As a leading Australian provider of BIM services, BIM Scaler assures you of a professional and effective BIM implementation for your building project.
