Carpentry and Joinery  ·  Level 4
Timber Furniture Items
Chapter 2: Make-up furniture components
📚 10 Topics
⚑ What you will be able to do

By the end of this chapter, you will be able to:

  • Identify and select the correct personal protective equipment (PPE) for timber furniture tasks.
  • Put on your PPE safely and correctly every time.
  • Follow safety procedures to protect yourself while working with furniture components.

Mastering these skills helps keep you safe and confident as you build quality timber furniture.

Compiled by: Michael Macharia

Timber furniture making is a core skill for carpentry and joinery professionals in Kenya, involving the creation of durable, functional, and aesthetically pleasing items that meet client needs. This chapter explores the essential components that contribute to quality timber furniture, beginning with the critical role of personal protective equipment (PPE) in ensuring safety during production. It then examines common types of furniture crafted by carpenters and joiners, highlighting their features and construction considerations relevant to local industry standards.

2.1 Personal Protective Equipment (PPE)

Personal protective equipment is fundamental in carpentry workshops and construction sites where timber furniture is produced. The use of PPE safeguards workers from hazards such as sharp tools, flying debris, dust, and chemical exposure, all prevalent in woodworking environments. In Kenya, adherence to PPE protocols is mandated by the Occupational Safety and Health Act, emphasizing its importance in reducing workplace injuries and promoting health.

Essential personal protective equipment (PPE) for construction workers
Essential personal protective equipment (PPE) for construction workers (Source: PLUMB 5 LEARNING GUIDE-1 (1))

2.1.1 Types of Personal Protective Equipment Used in Timber Furniture Making

The variety of PPE used in timber furniture production addresses different risks associated with woodworking tasks. Workers commonly use safety goggles to shield their eyes from sawdust and wood chips generated by cutting and sanding. Ear protection, such as earmuffs or earplugs, mitigates the impact of loud machinery noise, preventing hearing loss. Respiratory masks guard against inhaling fine dust particles that can cause respiratory problems, especially in poorly ventilated workshops. Gloves protect hands from splinters, cuts, and contact with adhesives or finishes, while safety boots provide foot protection against heavy falling objects and sharp materials on the workshop floor.

2.1.2 Importance of PPE in Carpentry and Joinery Workshops

The significance of PPE extends beyond compliance; it directly impacts the wellbeing and productivity of carpentry professionals. Proper use of eye protection reduces the risk of eye injuries that can cause permanent damage or lost workdays. Hearing protection preserves long-term auditory health, which is vital for communication and safety in busy workshops. Respiratory masks prevent chronic respiratory conditions such as occupational asthma, which can be debilitating. Wearing gloves and boots minimizes minor injuries that, if untreated, may lead to infections or lost work time. In Nairobi County government workshops, for example, enforcing PPE use has resulted in a notable decline in accident reports, improving overall workshop efficiency.

2.1.3 Correct Use and Maintenance of PPE

Ensuring PPE effectiveness requires correct usage and regular maintenance. Safety goggles must fit snugly without gaps to prevent dust ingress and should be cleaned after each use to maintain clear vision. Ear protection devices need to be worn consistently during noisy operations and checked for damage or wear that reduces their effectiveness. Respiratory masks should be appropriately fitted to the face and replaced or cleaned as per manufacturer guidelines to avoid contamination. Gloves must be selected based on task requirements, heavy-duty gloves for handling rough timber and chemical-resistant gloves for finishing tasks, and inspected regularly for tears. Safety boots should have reinforced toes and slip-resistant soles, with soles checked frequently to prevent accidents on slippery surfaces.

2.1.4 Legal Requirements and Enforcement of PPE Use in Kenya

Kenya’s Occupational Safety and Health Act requires employers to provide PPE and ensure its use among workers in hazardous environments. The Directorate of Occupational Safety and Health Services (DOSHS) conducts regular inspections and can impose penalties for non-compliance. Employers in carpentry workshops must train workers on PPE importance and proper use, maintain records of PPE issuance, and replace worn-out equipment promptly. In private furniture manufacturing firms in Mombasa, adherence to these regulations has enhanced workplace safety culture, reducing insurance claims and boosting employee morale.

Practice Questions

  1. Explain five types of personal protective equipment used in timber furniture workshops and their specific protective functions. (10 marks)

  2. Discuss the importance of maintaining personal protective equipment in carpentry and joinery environments. (10 marks)

  3. Describe the legal responsibilities of employers regarding PPE in Kenya’s woodworking industry. (5 marks)

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🔒2.2 Types of Furniture

In timber furniture production, understanding the different types of furniture and their construction requirements is essential for carpentry and joinery professionals. Each furniture category has unique design elements, structural demands, and finishing techn…

🔒2.3 Furniture components

In the carpentry and joinery profession in Kenya, understanding the various furniture components is fundamental to designing and constructing durable, functional, and aesthetically pleasing timber furniture. Each component plays a specific role in the overall…

🔒2.4 Furniture hardware materials

Furniture handles are critical components that facilitate the operation of drawers, doors, and cabinets. Their design, material, and installation influence both the usability and style of timber furniture. In Kenya, furniture handles vary widely, reflecting lo…

🔒2.5 Furniture Component Cutting Out Tools

In the carpentry and joinery trade, particularly in timber furniture making, the precision and quality of the final product largely depend on the correct selection and use of cutting out tools. These tools enable craftsmen to measure, mark, cut, shape, bore, a…

🔒2.6 Furniture joints

In timber furniture making, joints are fundamental to assembling components into a stable and durable piece. Kenyan carpenters and joiners must master various types of joints to create furniture that withstands daily use, environmental changes, and load stress…

🔒2.7 Furniture component materials

In the Kenyan carpentry and joinery sector, selecting appropriate materials for furniture components is crucial for durability, aesthetics, and cost-efficiency. The choice of material influences the furniture's performance, maintenance needs, and suitability f…

🔒2.8 Furniture material cutting and Shaping

In the context of carpentry and joinery in Kenya, the cutting and shaping of timber furniture materials are fundamental skills that directly influence the quality and durability of the final product. Precision in cutting ensures that components fit together se…

🔒2.9 Dry fitting the components

Dry fitting is a critical stage in furniture making where all cut and shaped components are assembled without glue or fasteners to check for fit and alignment. This process helps identify and correct any inaccuracies before final assembly, preventing costly mi…

🔒2.10 Housekeeping

In carpentry and joinery workshops across Kenya, maintaining a clean and organized workspace is essential for safety, efficiency, and quality workmanship. Proper housekeeping minimizes hazards, reduces waste, and ensures tools and materials are readily accessi…

Chapter Summary

This chapter begins by emphasizing the importance of personal protective equipment in ensuring safety during furniture making. It then explores various types of furniture, including chairs, tables, beds, TV stands, and shoe racks, highlighting their distinct features. The discussion moves to the essential components that make up furniture such as table legs, tops, trestles, drawers, bases, and headboards. Attention is given to furniture hardware materials like handles, plates, braces, nails, and brackets, which contribute to the assembly and durability of furniture. The chapter also covers the tools used for cutting out furniture components, including marking, measuring, cutting, planning, boring, and holding tools. Different types of furniture joints are examined, focusing on carcasing, framing, widening, and lengthening joints that ensure structural integrity. Materials used in furniture making are reviewed, ranging from wood and bamboo to upholstery fabrics, plywood, manufactured boards, and furniture foils. Finally, the chapter addresses techniques for cutting and shaping materials, the process of dry fitting components before final assembly, and the importance of housekeeping practices such as collecting timber wastes and maintaining tools properly.

Self-Assessment

🔒 PDFDownload this self-assessment, with answers

A. Written Assessment

  1. Which type of personal protective equipment (PPE) is essential when using power saws in furniture making? (2 marks)
  2. Identify three key characteristics that distinguish a trestle table from other table types. (3 marks)
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Chapter Examination Questions

🔒 PDFDownload these examination questions, with worked answers

SECTION A (40 Marks) - Answer ALL Questions

  1. Explain the importance of wearing personal protective equipment (PPE) when working on timber furniture manufacturing at a county government carpentry workshop. (4 marks)
  2. Identify and describe three common types of chairs used in Kenyan offices and their typical timber materials. (4 marks)
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Chapter Practical Activities

Practical 1: Making Chair Components with Joints and Hardware Fitting

Carpentry and Joinery · Level 4
Timber Furniture Items
PRACTICAL ASSESSMENT
TIME: 5 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Make main chair components including legs, rails, and backrest frame with dimensions 900mm height x 450mm width x 450mm seat depth.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Bench viceTeak timber; size 180mm x 30mm x 2400mm
Try square50 mm (2") wire nails
Planes - Jack, Smoothening & Spoke shaveWood glue
Claw hammerGlass Paper No. 1
Saws - Cross cut & TenonPPE (Safety boots, Helmet, Overall, Gloves)
Mallet
Portable Electric saw
Thicknesser
Surface planer
Clamps - Sash and G clamps
Chisels - 1/2", 1/4", 3/4"
Wood working vice
Tape measure
Wood pencil
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Teak timber; size 180mm x 30mm x 2400mm1 Pc per Candidate
250 mm (2") wire nails20 Nos per Candidate
3Glass Paper No. 12 Pcs per Candidate
4Bench vice1 Pc per 4 Candidates
5Try square1 Pc per Candidate
6Planes - Jack, Smoothening & Spoke shave1 Set per 5 Candidates
7Claw hammer1 Pc per Candidate
8Saws - Cross cut & Tenon1 Set per 5 Candidates
9Mallet1 Pc per 5 Candidates
10Wood glueSufficient per Candidate
11Portable Electric saw1 Pc per 5 Candidates
12Thicknesser1 Pc per 20 Candidates
13Surface planer1 Pc per 20 Candidates
14Clamps - Sash and G clamps2 Pcs per Candidate
15Chisels - 1/2", 1/4", 3/4"1 Set per 5 Candidates
16Wood working vice1 Pc per 4 Candidates
17PPE (Safety boots, Helmet, Overall, Gloves)As appropriate per Candidate
18Tape measure (5m)1 Pc per Candidate
19Wood pencil1 Pc per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and Setting Out
Wore Personal Protective Equipment
(Award 1 mark each for Safety boots, Helmet, Overall, Gloves; max 3 marks)
3
Assembled all required tools and equipment ready for use
(Award 2 marks for complete assembly or zero)
2
Measured and marked timber components accurately as per drawing
(Award 3 marks for correct measurements and marking or zero)
3
Sub-Total8
TASK 2: Cutting and Shaping Components
Cut timber components to specified sizes with clean edges
(Award 3 marks for accurate cutting according to dimensions or zero)
3
Cut and shaped all joints including mortise and tenon accurately
(Award 5 marks for neat, tight fitting joints or zero)
5
Dry fitted all components with joints before final assembly
(Award 2 marks for correct dry fitting or zero)
2
Sub-Total10
TASK 3: Assembly and Hardware Fitting
Applied wood glue and assembled chair components with clamps
(Award 3 marks for proper gluing and clamping or zero)
3
Fixed wire nails correctly without bends or damage
(Award 3 marks for neat nailing or zero)
3
Fitted hardware (hinges or screws) in correct positions
(Award 2 marks for correct hardware fitting or zero)
2
Sub-Total8
TASK 4: Finishing and Housekeeping
Performed finishing by sanding all surfaces smooth
(Award 3 marks for smooth finish without rough patches or zero)
3
Cleaned work area and disposed of waste appropriately
(Award 2 marks for good housekeeping or zero)
2
Sub-Total5
PRODUCT CHECKLIST
Chair components dimension accuracy (900mm height, 450mm width, 450mm seat depth)
(Award 2 marks for each correct dimension or zero)
10
Squareness and plumbness of assembled frame
(Award 1 mark for each correct corner or zero)
4
Tightness and accuracy of mortise and tenon joints (4 joints)
(Award 1.5 marks per tight joint or zero)
6
Nailing quality (no bends, correct placement) – 6 nails
(Award 1 mark per correctly fixed nail or zero)
6
Correct positioning and tight fitting of hardware
(Award 4 marks for hardware correctly positioned or zero)
4
Finish smoothness and appearance
(Award 5 marks for smooth, even finish and neat appearance or zero)
5
Overall rigidity and stability of assembled components
(Award 4 marks for stable, rigid assembly or zero)
4
Completion of the task with all components present and correct
(Award 3 marks for 100% completeness or zero)
3
Sub-Total42
GRAND TOTAL73
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)

Practical 2: Construct table components with legs, top, base and trestles using framing joints

Carpentry and Joinery · Level 4
Timber Furniture Items
PRACTICAL ASSESSMENT
TIME: 5 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Construct a wooden table with dimensions 1200mm long x 750mm high x 700mm wide including legs, top, base and trestles.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Bench viceCypress timber; size 50mm x 50mm x 2400mm
Try squareCypress timber; size 25mm x 150mm x 2400mm
Planes - Jack, Smoothening & Spoke shaveCypress timber; size 25mm x 100mm x 2400mm
Claw hammerDowels 10mm diameter
Saws - Cross cut & TenonWood glue
Mallet50 mm (2") wire nails
Clamps - Sash, G or F typeGlass Paper No. 1
Chisels - 1/2", 1/4", 3/4"PPE (Safety boots, helmet, overall, gloves, goggles)
Wood working vice
Portable Electric saw
Circular saw
Thicknesser
Surface planer
Tape measure
Wood pencil
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Cypress timber; size 50mm x 50mm x 2400mm4 Pcs per Candidate
2Cypress timber; size 25mm x 150mm x 2400mm2 Pcs per Candidate
3Cypress timber; size 25mm x 100mm x 2400mm2 Pcs per Candidate
4Dowels 10mm diameter12 Nos per Candidate
5Wood glueSufficient per Candidate
650 mm (2") wire nails15 Nos per Candidate
7Glass Paper No. 12 Pcs per Candidate
8Bench vice1 Pc per 4 Candidates
9Try square1 Pc per Candidate
10Planes - Jack, Smoothening & Spoke shave1 Set per 5 Candidates
11Claw hammer1 Pc per Candidate
12Saws - Cross cut & Tenon1 Set per 5 Candidates
13Mallet1 Pc per 5 Candidates
14Clamps - Sash, G or F type1 Pc per 5 Candidates
15Chisels - 1/2", 1/4", 3/4"1 Set per 5 Candidates
16Wood working vice1 Pc per 4 Candidates
17Portable Electric saw1 Pc per 5 Candidates
18Circular saw1 Pc per 20 Candidates
19Thicknesser1 Pc per 20 Candidates
20Surface planer1 Pc per 20 Candidates
21PPE (Safety boots, helmet, overall, gloves, goggles)As appropriate per Candidate
22Tape measure (5m)1 Pc per Candidate
23Wood pencil1 Pc per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and setting out
Wore Personal Protective Equipment correctly
(Award 1 mark each for boots, helmet, overall or zero)
3
Assembled all required tools and equipment before starting
(Award 2 marks for complete set or zero)
2
Measured and marked timber pieces accurately according to drawing
(Award 3 marks for correct measurement and marking or zero)
3
Sub-Total8
TASK 2: Cutting and jointing
Cut timber pieces to specified dimensions precisely
(Award 3 marks for accurate cutting or zero)
3
Cut and shaped framing joints (haunched housing, mortise and tenon) correctly
(Award 4 marks for correct joints or zero)
4
Dry fitted joints before final assembly
(Award 2 marks for proper dry fitting or zero)
2
Sub-Total9
TASK 3: Assembly
Assembled legs to rails using dowels and wood glue securely
(Award 3 marks for proper dowelled joint or zero)
3
Assembled table top to framing using dowels
(Award 3 marks for correct dowelled top assembly or zero)
3
Assembled base and trestles ensuring correct alignment
(Award 3 marks for proper base and trestle assembly or zero)
3
Sub-Total9
TASK 4: Finishing and housekeeping
Performed sanding on all visible surfaces to smooth finish
(Award 2 marks for smooth sanding or zero)
2
Cleaned work area and disposed of waste materials properly
(Award 2 marks for good housekeeping or zero)
2
Sub-Total4
PRODUCT CHECKLIST
Dimensions: Length 1200mm, Width 700mm, Height 750mm
(Award 2 marks for each correct dimension or zero)
10
Squareness of table corners (4 corners)
(Award 1 mark for each square corner or zero)
4
Tight dowelled joints (minimum 6 dowelled joints)
(Award 1 mark for each tight dowelled joint or zero)
6
Tight haunched housing joints at legs and rails (4 corners)
(Award 2 marks for each tight haunched housing joint or zero)
8
Smooth sanded finish on all visible surfaces
(Award 2 marks for smooth finish or zero)
2
Correct nailing with no bent nails (minimum 6 nails)
(Award 1 mark for each correct nail or zero)
6
Table rigidity and stability
(Award 2 marks for stable rigid table or zero)
2
Overall completion and appearance
(Award marks as indicated for completeness and neatness)
3
Sub-Total41
GRAND TOTAL71
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)
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🔒Fabricate and assemble a bed frame with headboard using correct joints and hardwarePractical 3
🔒Making TV Stand Components with Proper Joints and Hardware InstallationPractical 4
🔒Assemble a Timber Shoe Rack 800mm Wide x 600mm High x 300mm DeepPractical 5
🔒Cut and shape furniture components for a chair framePractical 6
🔒Marking out Timber Components for a Chair FramePractical 7
🔒Shape and Smooth Furniture Components Using Cutting and Planning ToolsPractical 8
🔒Drill and Assemble Furniture Components Using Boring and Holding ToolsPractical 9
🔒Make and assemble a timber drawer 600mm x 400mm x 150mm with hardware fittingsPractical 10
🔒Join and extend timber furniture components using widening and lengthening jointsPractical 11
🔒Apply upholstery fabric and furniture foil on chair seat and backrestPractical 12
🔒Sorting and Collecting Timber Waste for Clean Work EnvironmentPractical 13
🔒Maintain and Care for Woodworking Tools and EquipmentPractical 14
🔒Assemble table braces and brackets to reinforce table componentsPractical 15
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Am I competent?

At the start of this chapter we promised you would be able to:

  • Identify and select the correct personal protective equipment (PPE) for timber furniture tasks.
  • Put on your PPE safely and correctly every time.
  • Follow safety procedures to protect yourself while working with furniture components.

Tick each one you can genuinely do.

So, are you there yet?

You're competent when you can confidently do 50% or more of what this chapter promised.

Sign in to record how you're doing.