Temporary Works

Carpentry and Joinery · Level 4  ·  5 Chapters

Compiled by: Michael Macharia

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What Temporary Works covers

In this unit, you will be able to confidently prepare and assemble temporary works such as trench timbering and formwork, ensuring every step is safe and precise. By mastering the selection and use of personal protective equipment, handling materials and tools correctly, and accurately building and checking shuttering and curing processes, you'll be ready to deliver quality results on site. Your skills will help create safe, stable structures and demonstrate your professionalism in the real world of construction.

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Careers after Temporary Works

Temporary works are the backbone of every concrete structure you’ll see around Kenya - from the bridges spanning the Tana River to the housing blocks rising in Nairobi’s suburbs. Mastering these skills opens doors to a wide range of jobs and entrepreneurial opportunities where your precision, safety mindset, and hands-on ability are in high demand.

  • Construction sites of large-scale road and bridge projects in counties such as Kiambu, Nakuru, and Kisumu - you fit and inspect personal protective equipment for yourself and crew, ensuring compliance with safety standards and earning a daily wage as a site safety assistant or temporary works carpenter.
  • Private residential building firms in Nairobi’s peri-urban estates (e.g., Ruaka, Kitengela) - you gather, transport, and set up trench timbering, preparing the ground for foundations and getting paid per project for material handling and set-up services.
  • Public-works departments handling municipal drainage and water-storage tanks in towns like Eldoret and Machakos - you determine exact formwork dimensions from structural drawings, cutting down re-work costs and receiving a contractor’s fee for accurate layout work.
  • Small-scale concrete contractors operating in coastal resort towns such as Mombasa and Malindi - you cut and assemble shuttering boards to shape columns, beams, and staircases, charging a piece-rate for each correctly assembled formwork panel.
  • Community development NGOs building schools, health posts, and market stalls in rural counties - you assess concrete curing progress, sign-off on safe removal of formwork, and earn stipends or per-day rates for quality-control inspections.
  • Entrepreneurial carpentry workshops in towns like Thika or Kisii that rent out temporary-works kits - you design, fabricate, and lease custom shuttering systems to other builders, generating income from rental fees and maintenance contracts.
  • Mining and quarry operations in western Kenya that need pit shoring and concrete pads - you apply your PPE and formwork skills to create safe working platforms, earning higher wages due to the specialised, high-risk nature of the work.
  • Self-employed “site-ready” service providers in emerging housing schemes (e.g., affordable housing projects in Nairobi’s Eastlands) - you market a complete temporary-works package - PPE, timbering, formwork cutting, and curing verification - to developers, billing per-phase and building a reputation for reliable, safe construction support.

Every time you see a newly poured slab, a finished bridge, or a sturdy market stall, remember that the precision and safety you bring to temporary works make those structures possible. Keep sharpening these skills - they are your ticket to steady employment, higher earnings, and the freedom to run your own successful carpentry business.

Chapters

What Temporary Works covers: 27 main topics in 5 chapters

1. Set Out and Prepare for Temporary Works

  1. 1.1 Personal protective equipment
  2. 1.2 Drawings for temporary structures
  3. 1.3 Tools, equipment s and Materials,
  4. 1.4 Measuring and marking out
  5. 1.5 Safety regulation and risk management
  6. 1.6 housekeeping practices

2. Install Trench Timbering for Excavation Support

  1. 2.1 Trench timbering materials
  2. 2.2 Timber walling boards, poling boards, struts for trench support
  3. 2.3 Securing and bracing
  4. 2.4 Safe access and stability of trench timbering
  5. 2.5 inspecting and maintaining timbering throughout excavation
  6. 2.6 Housekeeping practices

3. Construct and Erect Form work for Concrete Structures

  1. 3.1 Formwork materials
  2. 3.2 Assembling and positioning formwork for construction elements (beams, columns, walls and slabs)
  3. 3.3 Securing formwork
  4. 3.4 dimensions, alignment and plumb levels
  5. 3.5 release agents
  6. 3.6 Housekeeping practices

4. Install and Secure Shuttering for Concrete Work

  1. 4.1 Shuttering materials
  2. 4.2 Positioning and fitting shuttering
  3. 4.3 reinforcement access
  4. 4.4 Reinforcing shuttering before pouring concrete
  5. 4.5 Housekeeping practices

5. Dismantle and Remove Temporary Works

  1. 5.1 Concrete curing
  2. 5.2 Dismantling and removing supports
  3. 5.3 Reusable materials
  4. 5.4 Waste materials disposal

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Beyond the syllabus

Other units in Module I