BS EN ISO 9431:1999 pdf free

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BS EN ISO 9431:1999 pdf free.Construction Drawings – Spaces For Drawing And For Text, And Title Blocks On Drawing Sheets.
BS EN ISO 9431 specifies requirements concerning the placing, layout and contents of spaces for drawing and for text, and title blocks on construction drawings.
2 Normative references
ISO 3098-1:1974, Technical drawings — Lettering — Part 1: Currently used characters.
ISO 7200:1984, Technical drawings — Title blocks.
4 Space for drawing
The figures comprising a drawing shall be arranged in horizontal rows and vertical columns. A main
figure, if one is identified as such, shall he placed at the top left of the drawing or at the top left of a group of figures. If possible, consideration shall be taken of A4-size folds of a drawing sheet when figures are drawn.
5 Space for text
5.1 General
The space for text on a drawing sheet shall contain all information necessary for the understanding of the contents of the drawing (see 5.2), except for the text which needs to he placed adjacent to the figures in the space for drawing.
5.2.3 Instructions
Under “Instructions”, information, supplementary to the information in the space for drawing, shall be given which is needed to perform what is shown on the drawing, e.g. instructions relating to material, realization, surface treatment, assembly placing, number of units and combined dimensions.
If several objects are shown on the drawing, general instructions shall be placed in the space for text and special instructions shall be placed adjacent to the relevant figures.
5.2.4 References
Under “References”, reference shall be made to supplementary drawings and other documents.
5.2.5 Location figure
A location figure shall be placed so that it remains visible after the drawing has been folded.
5.2.6 Revision table
A revision table shall be used to record all revisions such as corrections and/or amendments following the first issue. In addition, any other factor which might influence the validity of the drawing shall be recorded in the revision table.
A revision table shall contain the following information:
— designations of revision and, if required,number of places where correction has been made;
— details concerning the revision;
— date of revision;
— signature of person responsible for revision.BS EN ISO 9431 pdf download.

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