Practical projects for building temporary works students turn classroom theory into hands-on skill. This guide presents a series of graded projects that build competence step by step, from simple trench timbering to complete scaffold erection.
Introduction: Why Practical Projects Matter
Temporary works demand hands-on skill. Moreover, no amount of reading can replace the experience of cutting, fitting, and tightening real components. Consequently, students must complete practical projects before entering assessment.
In addition, the TVET CDACC assessment tests practical competence directly. Therefore, students who practise projects in advance perform better under timed conditions.
This guide therefore presents practical projects in a logical order. Each project builds on the one before it, so students develop confidence gradually.
How to Use These Projects
First, read the project brief carefully. Next, gather the tools and materials listed. Then, complete the project under supervision. Finally, inspect your own work before asking the trainer to check it.
Moreover, repeat each project until you can complete it within the target time. Consequently, the skills become automatic.
Project 1: Marking Out a Trench
Objective: Mark a trench accurately to the correct width and length.
Target time: 30 minutes
Tools and materials:
- Tape measure
- Line and pins
- Builder’s square
- Marking crayon or lime powder
Steps:
- Study the drawing and note the trench dimensions (1000 mm × 600 mm).
- Establish a baseline using the line and pins.
- Set out the first corner using the builder’s square.
- Measure and mark all four corners.
- Check the diagonals to confirm squareness.
- Mark the trench outline clearly with lime or crayon.
Assessment points:
- Correct dimensions (1000 mm and 600 mm)
- Square corners confirmed by equal diagonals
- Clear, visible markings
Project 2: Excavating a Trench to Specification
Objective: Excavate a trench to the correct length, width, and depth.
Target time: 2 hours
Tools and materials:
- Pickaxe and mattock
- Spade and shovel
- Wheelbarrow
- Tape measure
- Spirit level
Steps:
- Excavate along the marked outline.
- Keep the sides vertical and the bottom level.
- Check the width and length at intervals.
- Remove spoil to at least 0.5 metres from the edge.
- Check the depth against the drawing.
- Level the bottom and remove loose soil.
Assessment points:
- Correct length, width, and depth
- Vertical sides and level bottom
- Spoil kept clear of the edge
Project 3: Installing Trench Timbering
Objective: Install poling boards, walings, and struts to support a trench.
Target time: 2 hours
Tools and materials:
- Poling boards
- Walings
- Struts and wedges
- Handsaw and hammer
- Plumb bob and spirit level
Steps:
- Place poling boards vertically against both trench faces.
- Butt the boards closely with minimal gaps.
- Install walings horizontally against the poling boards.
- Insert struts between opposing walings.
- Tighten each strut with paired wedges.
- Check plumbness of boards and level of walings.
- Re-tighten any loose wedges.
Assessment points:
- Firmness of three rows of poling boards
- Correct positioning of boards and struts
- Tightness of sheeting
Project 4: Dismantling Trench Timbering
Objective: Remove timbering safely and backfill the trench.
Target time: 1 hour
Tools and materials:
- Wrecking bar
- Hammer
- Spade and shovel
- Wheelbarrow
Steps:
- Confirm the trench no longer needs support.
- Start at the bottom and work upward.
- Tap the lowest wedges gently to release the load.
- Backfill part of the trench to support the exposed faces.
- Remove the next layer of struts.
- Continue until all timbering is removed.
- Backfill and compact the trench in layers.
Assessment points:
- Bottom-up sequence followed
- Gradual load release
- Backfill on both sides, evenly compacted
Project 5: Fabricating Column Formwork
Objective: Fabricate a 300×300×2000 mm column formwork.
Target time: 2 hours
Tools and materials:
- Plywood or timber boards
- Battens
- Handsaw and hammer
- Try square and tape measure
- Clamps and nails
Steps:
- Measure and cut four side panels to 2000 mm length.
- Cut the panels to give a 300 mm internal cavity.
- Assemble the panels into a box.
- Check internal dimensions with a tape measure.
- Check diagonals for squareness at bottom, middle, and top.
- Fix battens to stiffen the panels.
Assessment points:
- External measurements (300×4 and 2000 mm)
- Squareness at bottom, middle, and top
- Firm assembly with no gaps
Project 6: Bracing and Propping Column Formwork
Objective: Brace column formwork at 500 mm intervals and support it with four sloping props.
Target time: 2 hours
Tools and materials:
- Timber braces
- Sloping props
- Clamps and bolts
- Spirit level and plumb bob
- Podger spanner
Steps:
- Fix horizontal braces to all four faces.
- Space the braces at 500 mm intervals.
- Tighten each brace firmly with clamps.
- Install one sloping prop on each face.
- Anchor the props to a firm base.
- Check plumbness of all four faces.
- Re-check squareness after tightening.
Assessment points:
- Braces fixed at 500 mm intervals
- Four sloping props firmly installed
- Plumbness of all four faces
Project 7: Striking Column Formwork
Objective: Remove column formwork without damaging the concrete.
Target time: 1 hour
Tools and materials:
- Wrecking bar
- Hammer
- Pincers
- Container for fixings
Steps:
- Confirm the concrete has gained sufficient strength.
- Loosen the sloping props gradually.
- Remove the braces from the top downward.
- Prise the panels away carefully.
- Remove nails and collect all fixings.
- Clean and store the panels.
Assessment points:
- Gradual release of supports
- No damage to the concrete surface
- Panels cleaned and stored correctly
Project 8: Fabricating an Independent Scaffold
Objective: Fabricate an independent scaffold framework with a working platform.
Target time: 3 hours
Tools and materials:
- Four vertical standards
- Four horizontal braces
- Four diagonal braces
- Four transoms
- Platform boards
- Handsaw, spanner, spirit level, plumb bob
Steps:
- Cut the four vertical standards to the required length.
- Position the standards at the correct spacing (1050 mm, 750 mm, 1000 mm).
- Fix the four horizontal braces firmly.
- Install four diagonal braces, one on each face.
- Fix four transoms on top of the standards.
- Lay the platform boards, butting them closely.
- Check plumbness of all four standards.
Assessment points:
- Correct measurements (1050, 750, 1000 mm)
- Firm horizontal and diagonal braces
- Platform boards butted with no gaps
- Plumbness of all four standards
Project 9: Erecting Raker Shores
Objective: Install raker shores to support a practice wall.
Target time: 2 hours
Tools and materials:
- Timber rakers, sole plates, and wall plates
- Wedges
- Podger spanner
- Spirit level and plumb bob
Steps:
- Position the sole plate on firm ground.
- Fix the wall plate at approximately two-thirds of the wall height.
- Set the raker at an angle between 30 and 60 degrees.
- Tighten the connection with wedges.
- Install a second raker to form a pair.
- Brace and lace the pair together.
- Check plumbness and tightness.
Assessment points:
- Correct angle (30–60 degrees)
- Wall contact at two-thirds height
- Rakers installed in pairs and laced
Project 10: Complete Temporary Works Exercise
Objective: Combine timbering, formwork, scaffolding, and shoring in one exercise.
Target time: 1 day
Steps:
- Mark and excavate a trench.
- Install trench timbering.
- Fabricate and brace column formwork.
- Fabricate an independent scaffold.
- Install raker shores to a practice wall.
- Inspect all four systems.
- Dismantle all four systems in the correct sequence.
- Complete housekeeping.
Assessment points:
- Correct sequence for each system
- Safe erection and dismantling
- Quality of workmanship
- Housekeeping and tool care
Summary Table: Project Progression
| Project | Skill Developed | Target Time |
| 1 | Marking out | 30 minutes |
| 2 | Excavation | 2 hours |
| 3 | Trench timbering | 2 hours |
| 4 | Dismantling timbering | 1 hour |
| 5 | Column formwork | 2 hours |
| 6 | Bracing and propping | 2 hours |
| 7 | Striking formwork | 1 hour |
| 8 | Scaffold fabrication | 3 hours |
| 9 | Raker shores | 2 hours |
| 10 | Complete exercise | 1 day |
Common Mistakes Students Make
Many students lose marks for avoidable errors. Therefore, avoid the following common mistakes.
- Skipping the drawing and guessing dimensions.
- Failing to check diagonals for squareness.
- Leaving gaps between boards.
- Tightening one side before checking plumbness.
- Rushing dismantling and releasing loads suddenly.
- Neglecting housekeeping at the end.
- Using blunt or damaged tools.
- Forgetting PPE before starting work.
Conclusion
Practical projects for building temporary works students build skill through repetition and feedback. When students work through these ten projects in order, they develop the competence and confidence needed for assessment and site work.
Moreover, each project targets specific assessment criteria. Therefore, practise until you can complete each one accurately and within time. As a result, you enter the assessment prepared and perform at your best.
Frequently Asked Questions
How many practical projects should a student complete?
Students should complete at least ten graded projects. Moreover, they should repeat each one until they can finish within the target time.
What is the easiest project to start with?
Marking out a trench is the easiest project. It builds measuring and setting out skills before excavation begins.
Why is a complete exercise important?
A complete exercise combines all four temporary works systems. Therefore, it prepares students for real site conditions and the full assessment.
How long should each project take?
Target times range from 30 minutes for marking out to one day for the complete exercise. Students should aim to meet these times consistently.
What should students do after each project?
After each project, students should inspect their own work, ask the trainer for feedback, and repeat the project to improve speed and accuracy.