Subject: Engineering Graphics and Design (EGD)

Subject Description:

EGD is essential for communicating concepts and ideas in industry and engineering. EGD teaches internationally acknowledged principles that have both academic and technical applications. The emphasis in EGD is on teaching specific basic knowledge and various drawing techniques and skills so that students can interpret and produce drawings within the contexts of Mechanical Technology, Civil Technology, and Electrical Technology.

Familiar symbols, perspectives, units of measurement, notation systems, visual styles, and page layouts are used to make the drawings easier to understand. Together, such conventions constitute a visual language and help ensure that the drawing is unambiguous and relatively easy to understand. Many of the symbols and principles of EGD are codified in an international standard called ISO 128.

Value of Engineering Graphics and Design (EGD) as subject:

Taking EGD gives students an upper hand as it provides the fundamental knowledge and drawing skills required for the following career opportunities: • Architecture • Engineering • Medical technician • Industrial designer • Interior designer • Landscape architect • Quantity surveyor • Building management • City planner • Quantity surveyor • Graphic illustrator • Jewellery designer • Model builder (scale models) • Draughtsperson (e.g. Steel structure, Architectural, Civil, Design, Electrical, etc.) • Technicians • Most manufacturers • Most artisans • CAD system operator

Should a student want to pursue a career in any of the above listed paths, they will be required to select a Technical Drawing module during their first year at their institution of choice.

The subject also gives a subtle shift to one's perspective of everything they encounter. General life principles such as neatness and paying attention to detail are reinforced in EGD practices.

Skills/Content Carried over from Grade 10-12:

The end goal is ensuring that Civil (Paper 1) and Mechanical (Paper 2) drawing skills are reinforced in preparation of the Grade 12 final examination.

Civil content covered:

  • Civil analytical
  • Interpenetration and development of a transition piece
  • Two-point perspective drawing

Civil assembly Mechanical content covered:

  • Mechanical analytical
  • Loci of a helix / loci of a cam / loci of a mechanism
  • Isometric drawing
  • Mechanical assembly

Grade 10 Curriculum

Grade 11 Curriculum

Grade 12 Curriculum

General drawing principles for all technological drawings

Descriptive and solid geometry

Descriptive and solid geometry

Free-hand drawing

Mechanical working drawing

Mechanical working drawing

Instrument drawing

Civil working drawing

Civil working drawing

First- and third-angle orthographic projections

Isometric drawing

Isometric drawing

Descriptive and solid geometry

Perspective drawing (Double Point)

Perspective drawing (Double Point)

Civil floor plans and elevations

Interpenetrations and developments

Electrical diagrams

Isometric drawing

Loci of helixes, cams and mechanisms

Interpenetrations and developments

Perspective drawing (Single Point)

CAD (Computer-Aided Drawing/ Design)

Loci of helixes, cams and mechanisms

The Design Process

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CAD (Computer-Aided Drawing/ Design)

CAD (Computer-Aided Drawing/ Design)

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Grade 9 Requirements:

There are no specific requirements for Grade 9s, but students who possess technical thinking and are eager to learn will do well in this subject.

Stationary Requirements:

  • Grade 10

  • Grade 11

  • Grade 12

Stationery required

  • HSE Pack – R1200 (used until Grade 12). Includes drawing board, padded bag, and instrument pack
  • EGD Workbook – R200
  • Laptop to use in class for CAD lessons

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