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Technical Drawing

Industrial Control and Installation · Level 6  ·  6 Chapters

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What Technical Drawing covers

In this unit, you will be able to confidently handle all the essential tools and materials for technical drawing, ensuring safety and precision in your work. By mastering industry-standard drawing techniques, geometric forms, angles, and pattern development, you'll be equipped to create and interpret clear, accurate drawings that are vital in the real trade. With these skills, you'll be ready to contribute professionally to any workplace, bringing your ideas to life on paper and supporting successful projects.

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Careers after Technical Drawing

Technical drawing is a foundational skill that opens doors to many exciting and essential careers across Kenya’s vibrant economy. Whether you dream of working on large infrastructure projects, designing innovative products, or running your own workshop, mastering technical drawing equips you with the precision and communication skills employers and clients highly value.

  • In the construction sector, including county government works and private building firms, technical drawing skills are crucial for preparing accurate blueprints, site plans, and structural details that guide the building of homes, roads, and public facilities.
  • The Jua Kali industry relies heavily on technical drawings for fabricating metal works, furniture, and custom machinery parts, enabling artisans to produce quality products and scale their businesses.
  • Energy companies like KenGen use technical drawings to design and maintain power plants and electrical grids, creating opportunities for skilled drafters and engineers.
  • The matatu industry benefits from technical drawing in vehicle modification and custom bodywork, where precise designs ensure safety and style.
  • Agribusiness firms such as KTDA use technical drawings for designing processing plants and irrigation systems, improving efficiency and productivity.
  • In hospitality and manufacturing, technical drawings help design kitchens, equipment layouts, and product packaging, supporting innovation and quality control.
  • Skilled technical drawers can find employment in engineering firms, government agencies, or start their own design and drafting services, earning a stable income or growing prosperous enterprises.
  • Mastering technical drawing not only enhances your technical competence but also boosts your problem-solving abilities and attention to detail, making you indispensable in any technical field.

By mastering technical drawing, you’re not just learning to draw—you’re shaping your future as a skilled professional ready to build, innovate, and lead across Kenya’s dynamic industries. Keep practicing, and watch your career possibilities expand!

Chapters

1
Use and maintain drawing equipment and materials
5 topics
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2
Produce plane geometry drawings
6 topics
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3
Produce solid geometry drawings
3 topics
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4
Produce orthographic drawings and pictorial drawings
10 topics
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5
Produce electrical drawings
3 topics
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6
Apply CAD packages
7 topics
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What Technical Drawing covers: 34 main topics in 6 chapters

1. Use and maintain drawing equipment and materials

  1. 1.1 Identification and care of drawing equipment
  2. 1.2 Identification and care of drawing materials
  3. 1.3 Reference to manufacturer's instructions and work place procedures on use and maintenance of drawing equipment and materials
  4. 1.4 Reference to relevant environmental legislations
  5. 1.5 Use of Personal Protective Equipment (PPEs)

2. Produce plane geometry drawings

  1. 2.1 Types of lines in drawings
  2. 2.2 Construction of geometric forms e.g. squares, circles
  3. 2.3 Construction of different angles
  4. 2.4 Measurement of different angles
  5. 2.5 Bisection of different angles and lines
  6. 2.6 Standard drawing conventions

3. Produce solid geometry drawings

  1. 3.1 Interpretation of sketches and drawings of patterns e.g. cylinders, prisms and pyramids
  2. 3.2 Sectioning of solids e.g. prisms, cones
  3. 3.3 Development and interpenetrations of solids e.g. cylinder to cylinder and cylinder to triangular, prism

4. Produce orthographic drawings and pictorial drawings

  1. 4.1 Meaning of pictorial and orthographic drawings
  2. 4.2 Meaning of sectioning
  3. 4.3 Meaning of symbols and abbreviations
  4. 4.4 Drawing and interpretation of orthographic elevations
  5. 4.5 Dimensioning of orthographic elevations
  6. 4.6 Sectioning of views
  7. 4.7 Assembly drawing
  8. 4.8 Meaning of pictorial drawings
  9. 4.9 Drawing objects in isometric view
  10. 4.10 Drawing objects in oblique view

5. Produce electrical drawings

  1. 5.1 Electrical symbols and abbreviations
  2. 5.2 Meaning of electrical drawings
  3. 5.3 Drawing of electrical diagrams e.g. block, schematic, circuit, line and wiring

6. Apply CAD packages

  1. 6.1 Identification of CAD packages e.g. AutoCAD, circuit maker
  2. 6.2 Use of CAD packages in drawing of
  3. 6.3 Plane geometry
  4. 6.4 Solid
  5. 6.5 Orthographic
  6. 6.6 Pictorial
  7. 6.7 Electrical e.g. block, schematic, circuit, line and wiring S/No. Description/ Quantity Recommended Specifications Ratio (Item: Trainee) A

Revise this unit

Exam-style questions 84 Written to CDACC standard, with answers Test yourself 244 Multiple-choice, one at a time Practise questions 181 Quick recall — check you know the facts
3 more for this unit
Oral exam preparation 58 What the assessor asks, and how to answer out loud Worked calculations 36 Step-by-step maths with the common mistakes Quick cards 1,198 Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator 6 On site, what would you do? Workplace scenarios 122 Real site situations — what would you do? Turn this into income 60 Where this skill earns — what to charge, how to find clients

Other units in Module III