CSA B78.3 : 0

Technical Committee on Technical Drawings
Subcommittee on Building Drawing Practices
Preface
Reference Publications
1 Scope
2 Classification of Drawings
    2.1 General
    2.2 Design Stage
    2.3 Working Drawings Stage
    2.4 Component Range, Assembly and Component Detail
          Drawings
    2.5 Other Information
    2.6 Detailed Fabrication and Assembly Drawings
3 Drawing Sheet Sizes
4 Layout, Lines, Lettering and Scales
    4.1 Layout
          4.1.1 General
          4.1.2 Margin and Border
          4.1.3 Title Panel
          4.1.4 Information Panel
          4.1.5 Key Diagram
          4.1.6 Orientation of Plans
    4.2 Lines
          4.2.1 General
          4.2.2 Line Thickness
          4.2.3 Thickness Grouping
    4.3 Lettering
    4.4 Scales
          4.4.1 General
          4.4.2 Choice of Scale
          4.4.3 Preferred Scales
5 Referencing
    5.1 Coding
          5.1.1 General
          5.1.2 Coding of Floors
          5.1.3 Coding of Rooms and Spaces
          5.1.4 Coding of Components
    5.2 Reference Grids
          5.2.1 General
          5.2.2 Grid Notation
          5.2.3 Structural Grid
          5.2.4 Planning Grid
          5.2.5 Basic Module Grid
    5.3 Keying Indicators
6 Dimensioning
    6.1 General
    6.2 Dimension Lines
    6.3 Extension Lines
    6.4 Terminals
    6.5 Numerals
          6.5.1 Positions of Numerals
          6.5.2 Linear Dimensions on Drawings
          6.5.3 Decimal Notation
          6.5.4 Dimensional Co-ordination
          6.5.5 Not-to-Scale Dimensions
7 Levels and Slopes
    7.1 General
    7.2 Bench Mark
    7.3 Expression of Elevations of Levels
    7.4 Elevation on Sections or Building Elevation
          Drawings
    7.5 Expression of Slope
8 Symbols

Applicable to the preparation and reproduction of building drawings. Includes recommendations for a general classification of types of drawings and establishes a general context for detailed recommendations on drawing-office practice.