TS EN ISO 9431

TS EN ISO 9431 is a technical standard for construction drawings that deals with how drawing spaces, text spaces, and title blocks are positioned and arranged on a sheet. In architectural and construction documentation, these elements help keep the drawing legible, traceable, and consistently structured across projects.

How the sheet layout is organised

The standard focuses on the placement and layout of the areas reserved for graphics and for text. In general technical practice, this separation matters because the drawing content, notes, and project information must share the same sheet without obscuring one another. A consistent sheet structure also supports clearer coordination between drawings produced at different scales or by different organisations.

The role of title blocks

Title blocks are the information panels that identify a drawing. They are commonly used to present key project data in a controlled format, such as the drawing number, project designation, date, revision status, and responsibility information. Within the scope of this standard, the placement, layout, and contents of title blocks are specified so that construction drawings can be presented in a more uniform and comparable way. The document also includes nine figures illustrating details.

• Applies to the page layout of construction drawings.
• Defines the arrangement of drawing space and text space.
• Covers the placement, layout, and contents of title blocks.
• Includes nine figures illustrating the detailed provisions.