ISO 128-33:2018 pdf download – Technical product documentation (TPD) – General principles of presentation一 Part 33: Representation of views, sections and cuts in construction drawings.
1 Scope This document lays down general rules for marking, designation, placing and orientation of views, sections and cuts, and the position of text in relation to figures on construction drawings. For all general rules, reference is made to the relevant parts of the ISO 128 series. As regards relative positions of views, the method using reference arrows according to ISO 128-30 is used. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 10209, Technical product documentation一Vocabulary- Terms relating to technical drawings, product definition and related documentation 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 10209 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: -ISO Online browsing platform: available at https://www.iso.org/obp IEC Electropedia: available at http://www.electropedia.org/ 4 Marking of views, sections and cuts The direction of a view shall be marked with an arrow near the reference figure (see Figures 1, 5 and 6).
6 Position and orientation Figures shall be placed in their order of designation (see Figures 5 and 8]. If possible they shall be given the same orientation as the main figures. Figures of details can also be grouped so that they give a compressed picture of an object or a part ofit (see Figure 9). If possible, plans for one and the same project shall be orientated in the same way on all the drawings. If possible, all other horizontal sections and cuts shall be orientated in the same way as the main plans of the building. Vertical sections and cuts shall be drawn upright, if possible.