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PowerPoint® PresentationPowerPoint® Presentation
Chapter 2Chapter 2Working Drawing ConceptsWorking Drawing Concepts
Sketching • Orthographic Projections • Dimensioning •
Architect’s Scale • Linear Measurement • Symbols and
Conventions
Sketching • Orthographic Projections • Dimensioning •
Architect’s Scale • Linear Measurement • Symbols and
Conventions
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Sketches convey ideas graphically and are drawn using basic tools such as pencils, paper, and erasers.
Sketches convey ideas graphically and are drawn using basic tools such as pencils, paper, and erasers.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Plane figures are geometric shapes with flat surfaces.
Plane figures are geometric shapes with flat surfaces.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Pictorial drawings show height (H), length (L), and depth (D) in one drawing.
Pictorial drawings show height (H), length (L), and depth (D) in one drawing.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Receding lines of perspective drawings converge to one, two, or three vanishing points.
Receding lines of perspective drawings converge to one, two, or three vanishing points.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
The isometric axes are drawn 30° above horizontal.
The isometric axes are drawn 30° above horizontal.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
The oblique axis of an oblique drawing is drawn 30° or 45° above horizontal.
The oblique axis of an oblique drawing is drawn 30° or 45° above horizontal.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
The three-view drawing is the most common type of orthographic projection.
The three-view drawing is the most common type of orthographic projection.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Elevation views are related by projection of features from one view to another.
Elevation views are related by projection of features from one view to another.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
A point on an elevation is shown as a line on the adjacent elevation and vice versa.A point on an elevation is shown as a line on the adjacent elevation and vice versa.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
An architect’s scale is used to produce scaled drawings.An architect’s scale is used to produce scaled drawings.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Most tape measures have highlighted portions indicating feet. Most tape measures have highlighted portions indicating feet.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Tape measures and other rulers used in the building trades are often divided into 1/16" increments.
Tape measures and other rulers used in the building trades are often divided into 1/16" increments.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
A tape measure can be used by a tradesworker to measure a component and transmit information back to the architect.
A tape measure can be used by a tradesworker to measure a component and transmit information back to the architect.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Symbols are drawn in proportion to other construction materials.Symbols are drawn in proportion to other construction materials.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Arrowheads, slashes, or dots may be used to terminate dimension lines.Arrowheads, slashes, or dots may be used to terminate dimension lines.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Walls are dimensioned to facilitate construction methods.
Walls are dimensioned to facilitate construction methods.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Partitions are dimensioned to their centerlines or faces.Partitions are dimensioned to their centerlines or faces.
Chapter 2 — Working Drawing ConceptsChapter 2 — Working Drawing Concepts
Openings for windows and doors are dimensioned to their centerlines.Openings for windows and doors are dimensioned to their centerlines.