TS ISO 128-43
Technical product documentation (TPD) - General principles of presentation - Part 43: Projection methods in building drawings
This part of ISO 128 defines two projection methods used in building drawings, namely
— direct orthographic projection method and
— mirrored orthographic projection method,
and also provides the symbols applicable for each method.
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About This Item
TS ISO 128-43 is a part of the Technical Product Documentation series that defines projection methods used in building drawings and the symbols associated with each method. It distinguishes between two core approaches for arranging views on a drawing sheet: the direct orthographic projection method and the mirrored orthographic projection method.
Why projection method matters in building drawings
A projection method determines how plans, elevations and sections are positioned and read on the page. Orthographic projection represents a three-dimensional object on a two-dimensional plane using perpendicular viewing directions, which makes it a cornerstone of architectural and construction drawing practice. The difference between direct and mirrored orthographic arrangement affects the location of views and helps prevent misreading when documents move between teams, disciplines or regions.
What this part adds
- Defines two projection methods for building drawings: direct orthographic and mirrored orthographic.
- Provides the symbols applicable to each method.
- Supports a shared visual language for arranging and interpreting technical views.
In general technical practice, standards like this help designers, drafters and engineers communicate drawing layout unambiguously. Because projection conventions can vary across organizations and regions, clearly identifying the method used on a drawing is important for consistent interpretation. This listing is the building-drawing part of the ISO 128 framework within Technical Product Documentation.
- Publication Date: 30.09.2021
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.100.30 Yapı Çizimleri
- Pages: 13
- Source Standard: ISO 128-43:2015
- International Equivalents: ISO 128-43-EQV
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