Building Technology  ·  Level 5
Building Temporary Works
Chapter 2: Prepare building formwork
📚 6 Topics
What you will be able to do

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

  • Wear the correct personal protective equipment safely and follow all safety procedures.
  • Assemble the formwork tools and equipment correctly for your building task.
  • Prepare formwork materials accurately to meet the job requirements.
  • Set up formwork properly following the National Building Code 2015 standards.
  • Safely strike off formwork according to the National Building Code 2015 guidelines.
  • Store formwork materials correctly by following the manufacturer’s instructions.

Mastering these skills ensures your work is safe, efficient, and meets professional building standards, helping you build strong and reliable structures.

Building temporary works require strict adherence to safety and operational protocols to protect workers and ensure structural integrity during construction. One of the foundational aspects of preparing building formwork is understanding and using Personal Protective Equipment (PPE) correctly, as well as selecting and maintaining the appropriate tools and equipment. This chapter explores PPE types and uses in construction environments, followed by an in-depth examination of the tools and equipment essential for building formwork, drawing examples from diverse Kenyan sectors such as hospitals, county government offices, universities, and retail businesses.

2.1 PPEs

PPEs are vital in construction sites to safeguard workers from hazards such as falling objects, sharp edges, and harmful substances. In Kenya’s diverse workplaces, including county referral hospitals and retail warehouses, PPE use is mandatory to reduce occupational injuries and comply with national safety regulations. Understanding the appropriate types and uses of PPEs enhances safety culture and operational efficiency in formwork activities.

2.1.1 Types of PPEs

Different PPEs serve specific protective functions on construction sites. Knowing these types helps workers and supervisors select the correct equipment to suit various risks encountered during formwork preparation.

Head Protection

Hard hats shield workers from impact injuries caused by falling tools or debris. For instance, staff at a county government office construction site use hard hats to prevent head trauma during formwork assembly.

Eye and Face Protection

Safety goggles and face shields protect against dust, flying particles, and chemical splashes. Workers at university construction sites rely on these PPEs when cutting timber or mixing concrete.

Hand Protection

Gloves made of leather, rubber, or cut-resistant materials prevent hand injuries like cuts, abrasions, and chemical burns. At a retail warehouse undergoing renovations, workers use gloves to handle sharp nails and rough timber safely.

Foot Protection

Steel-toed boots protect feet from heavy falling objects and punctures. Employees involved in formwork at a county hospital construction project wear these boots to avoid foot injuries from nails and heavy materials.

Hearing Protection

Earplugs and earmuffs reduce exposure to loud noises from power tools and machinery. Hotel renovation workers use hearing protection when operating electric saws to prevent hearing loss.

2.1.2 Uses of PPEs

The effectiveness of PPE depends on proper use, maintenance, and compliance with safety standards. In Kenyan workplaces, PPE use is enforced by occupational safety policies to minimize accidents during formwork construction.

Hazard Identification and PPE Selection

Before starting formwork, supervisors at a university construction site conduct hazard assessments to determine necessary PPE, ensuring workers are equipped accordingly.

Correct Wearing and Fit

PPE must fit properly to offer full protection. For example, gloves that are too loose may catch on nails, while ill-fitting boots can cause slips at a county government construction site.

Regular Inspection and Maintenance

Routine checks for damage or wear extend PPE lifespan and ensure safety. At a retail business undergoing refurbishment, workers inspect helmets and boots daily before use.

Training and Awareness

Employees receive training on PPE importance and correct usage. Hospital construction teams participate in safety briefings emphasizing the role of PPE in preventing injuries.

Compliance with Regulations

Adherence to the Kenya Occupational Safety and Health Act mandates PPE use on construction sites. County referral hospitals enforce these regulations strictly during building works to protect staff and visitors.

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🔒2.2 Building Formwork Tools and Equipment

Formwork construction demands specialized tools and equipment to shape and support concrete structures temporarily. In Kenyan contexts such as universities, banks, and agricultural cooperatives, selecting appropriate tools ensures quality workmanship and safet…

🔒2.3 Preparation of Formwork

Preparation of formwork is a critical phase in construction projects across Kenya’s diverse sectors, from county government offices constructing new classrooms to hospitals expanding their wards. Proper preparation ensures that concrete structures achieve the…

🔒2.4 Erection of Formwork

The erection of formwork is a vital stage where prepared components are assembled on site to form molds that will shape the concrete. In Kenya, formwork erection is common across sectors including county government offices constructing administrative blocks, h…

🔒2.5 Striking of formwork

Striking formwork is a critical stage in the building process where temporary molds or supports are removed after the concrete has gained sufficient strength. In Kenya's construction projects, such as the expansion of county referral hospitals or new classroom…

🔒2.6 Storage of formwork materials

Effective storage of formwork materials is essential to maintain their quality and extend their usability, especially in Kenya's diverse climatic zones. Proper storage protects materials from damage and contamination, facilitating smooth construction workflows…

Chapter Summary

This chapter covered the essential aspects of preparing building formwork, beginning with the identification and use of personal protective equipment (PPE) necessary for safety during formwork activities. It then examined various tools and equipment used in formwork construction, explaining their specific functions in the building process. The preparation of formwork was discussed with emphasis on selecting appropriate shapes and sizes to suit different structural requirements. The chapter detailed the procedures involved in erecting formwork to ensure stability and accuracy. It also addressed the careful striking or removal of formwork once the concrete has set to avoid damage. Finally, proper storage methods for formwork materials were explored to maintain their condition and usability for future projects. Together, these topics provide a comprehensive understanding of the critical steps involved in managing building formwork effectively.

Self-Assessment

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A. Written Assessment

  1. Identify five types of personal protective equipment (PPE) commonly used in building formwork and briefly describe the purpose of each. (10 marks)
  2. Explain the importance of using the correct tools and equipment during the preparation of formwork in a construction project. (5 marks)
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Chapter Examination Questions

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SECTION A (40 Marks) - Answer ALL Questions

  1. Identify five types of personal protective equipment (PPE) commonly used during the preparation of building formwork and explain their primary function. (4 marks)
  2. Describe the uses of three different tools or equipment essential for building formwork in a county government office construction project. (4 marks)
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Chapter Practical Activities

Practical 1: Identify and Select Appropriate Building Formwork Types for Given Scenarios

Building Technology · Level 5
Building Temporary Works
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Identify and select appropriate formwork types for a 3000mm x 1200mm x 600mm beam, a 2400mm x 2400mm x 150mm slab, and a 1500mm diameter circular column.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Measuring tapeSample formwork panels (timber, plywood, metal)
Carpenter’s squareFormwork props and supports
PencilBuilding drawings
Calculator
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Personal Protective Equipment (Safety boots, Helmet, Dust coat)1 set per candidate
2Sample formwork panels (timber, plywood, metal)3 pieces per candidate
3Formwork props and supports5 pieces per candidate
4Measuring tape (5 meters or more)1 per 5 candidates
5Carpenter’s square1 per 5 candidates
6Pencil and notebook1 set per candidate
7Building drawings showing different elements requiring formwork1 set per candidate
8Calculator1 per candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Identification and Selection of Formwork Types
Wore appropriate Personal Protective Equipment (Safety boots, Helmet, Dust coat)
(Award 1 mark for each correctly worn PPE)
3
Reviewed building drawings to understand formwork requirements
(Award 4 marks for correct interpretation and understanding)
4
Measured and noted dimensions of the beam, slab, and column from the drawings
(Award 1 mark for each correct measurement recorded)
5
Identified suitable formwork types for the beam (e.g., timber formwork)
(Award 5 marks for correct identification and justification)
5
Identified suitable formwork types for the slab (e.g., plywood supported on props)
(Award 5 marks for correct identification and justification)
5
Identified suitable formwork types for the circular column (e.g., steel or flexible plywood formwork)
(Award 5 marks for correct identification and justification)
5
Selected appropriate formwork props and supports for each element
(Award 4 marks for correct selection and explanation)
4
Recorded all selections and observations clearly in the notebook
(Award 4 marks for neat and complete recording)
4
Sub-Total35
PRODUCT CHECKLIST
Correct identification of formwork types for beam, slab, and column matching dimensions
(Award 10 marks for accurate and appropriate formwork selection)
10
Clear and accurate recording of measurements and selections in notebook
(Award 5 marks for neat, legible, and complete documentation)
5
Justification for formwork selection demonstrating understanding of uses and types
(Award 5 marks for sound reasoning and application of knowledge)
5
Sub-Total20
GRAND TOTAL55
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)

Practical 2: Identify and select formwork tools and equipment for building formwork

Building Technology · Level 5
Building Temporary Works
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Identify and select suitable formwork tools and equipment for constructing formwork for a reinforced concrete beam 3000mm long, 300mm wide and 300mm high.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
HammerGloves
Hand sawSafety boots
Measuring tapeDust coat/Overall
Carpenter’s square
Spirit level
Pencil
Builder’s line
Plumb bob
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Hammer1 Pc per Candidate
2Hand saw1 Pc per Candidate
3Measuring tape (5 m minimum)1 Pc per Candidate
4Carpenter’s square1 Pc per Candidate
5Spirit level (600 mm)1 Pc per 5 Candidates
6Pencil1 Pc per Candidate
7Builder’s line (30 m)1 Pc per 5 Candidates
8Plumb bob1 Pc per 10 Candidates
9Gloves1 Pair per Candidate
10Safety boots1 Pair per Candidate
11Dust coat/Overall1 Pc per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Identification and Selection of Formwork Tools and Equipment
Wore Personal Protective Equipment: safety boots, gloves, dust coat/overall
(Award 1 mark for each PPE donned as per workplace procedures)
3
Correctly identified hammer suitable for nailing formwork
(Award 3 marks for correct identification and explanation of use)
3
Correctly identified hand saw suitable for cutting timber formwork
(Award 3 marks for correct identification and explanation of use)
3
Selected measuring tape appropriate for measuring formwork dimensions
(Award 3 marks for suitable choice and justification)
3
Identified carpenter’s square for setting out right angles in formwork
(Award 3 marks for correct identification and explanation)
3
Selected spirit level to check horizontal level of formwork
(Award 3 marks for correct identification and explanation)
3
Selected pencil and builder’s line for marking and setting out
(Award 3 marks for correct identification and explanation)
3
Identified plumb bob to check vertical alignment of formwork
(Award 3 marks for correct identification and explanation)
3
Sub-Total24
PRODUCT CHECKLIST
Correct selection of all formwork tools and equipment as per task requirements
(Award 10 marks for complete and appropriate selection of tools and PPE)
10
Sub-Total10
GRAND TOTAL34
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)
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🔒Prepare and Store Formwork Materials for a 2400mm x 1200mm Concrete Wall SectionPractical 3
🔒Set out formwork shapes and sizes for a rectangular foundationPractical 4
🔒Erect Timber Formwork for a Foundation Wall 1200mm x 600mm x 300mmPractical 5
🔒Erect Metal Formwork for a 2400mm x 1200mm Concrete Wall SectionPractical 6
🔒Strike Concrete Formwork SafelyPractical 7
🔒Store formwork materials correctly on-sitePractical 8
🔒Erect Formwork for a Rectangular Beam 3000mm x 300mm x 500mmPractical 9
🔒Erect formwork for a reinforced concrete columnPractical 10
🔒Assemble and Install Formwork Supports and Bracing for a 1200mm x 600mm Concrete BeamPractical 11
🔒Demonstrate Safe Use of PPE During Formwork OperationsPractical 12
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Am I competent?

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

  • Wear the correct personal protective equipment safely and follow all safety procedures.
  • Assemble the formwork tools and equipment correctly for your building task.
  • Prepare formwork materials accurately to meet the job requirements.
  • Set up formwork properly following the National Building Code 2015 standards.
  • Safely strike off formwork according to the National Building Code 2015 guidelines.
  • Store formwork materials correctly by following the manufacturer’s instructions.

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.

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