4.1 Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Construction - Question 4 - 2023 - Paper 1
Question 4
4.1 Choose a description from COLUMN B that matches an item in COLUMN A. Write only the letter (A–L) next to the question numbers (4.1.1 to 4.1.8) in the ANSWER BOOK... show full transcript
Worked Solution & Example Answer:4.1 Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Construction - Question 4 - 2023 - Paper 1
Step 1
4.1.1 Soffit board
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The soffit board is a component used to close off the underside of eaves or overhangs.
Step 2
4.1.2 Cleat
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A cleat is a small piece of wood or metal that is used to secure other structural components together.
Step 3
4.1.3 Tie
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A tie is a member that helps to maintain the stability of the formwork by holding components together.
Step 4
4.1.4 Brace/Strut
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A brace or strut is used to provide support to ensure that the sides of the formwork remain vertical.
Step 5
4.1.5 Fixing plate
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A fixing plate is used to attach formwork together, often improving its structural integrity.
Step 6
4.1.6 Props
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Props are vertical supports used to hold up the formwork, ensuring it does not collapse under load.
Step 7
4.1.7 Folding wedges
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Folding wedges are used to adjust the position of formwork and prevent deformities.
Step 8
4.1.8 Releasing oil/Form oil
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Releasing oil or form oil is applied to the surface of the formwork to aid in the easy removal of concrete once it sets.
Step 9
4.3 Name THREE methods of fixing cladding to a wall.
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Mechanical fasteners such as screws or nails.
Adhesive bonding techniques to directly attach cladding panels to the wall.
Using clips or channels to secure cladding in place.
Step 10
4.4.1 Name the type of test that was carried out on the concrete.
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The type of test carried out on the concrete is a slump test, which measures the consistency and workability of the mix.
Step 11
4.4.2 Identify the outcome of the test.
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The outcome of the slump test indicates whether the concrete mix is too dry, workable, or overly wet.
Step 12
4.4.3 Explain the reason for the outcome.
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The outcome reflects the water-cement ratio in the mix; a higher ratio produces a wetter mix that slumps more.
Step 13
4.5 Name THREE services that should be located before excavations start.
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Underground utility lines, such as water, gas, and electricity.
Telecommunications lines for internet and phone services.
Sewage and drainage systems to avoid damage during excavation.
Step 14
4.6 Predict what would happen if heavy rain occurs during the excavation of a trench.
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Heavy rain can lead to water accumulation in the trench, which may cause soil erosion, instability of the trench walls, potential flooding, and increased risk of accidents.
Step 15
4.7 Explain why a worker is not allowed to work alone in an excavation.
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A worker is not allowed to work alone in an excavation due to risks such as cave-ins, sudden flooding, or emergencies that require immediate assistance.
Step 16
4.8.1 Identify this machine.
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The machine shown in FIGURE 4.8 is a plate compactor, used for compacting soil or asphalt.
Step 17
4.8.2 Describe how you should operate this construction machine without injuring yourself.
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To operate a plate compactor safely:
Always wear appropriate personal protective equipment including gloves and safety glasses.
Follow the manufacturer's instructions regarding operation and safety.
Ensure the area is clear of obstacles and personnel before operating the machine.
Step 18
4.9 Use ANSWER SHEET 4.9 and draw the completed formwork for the beam and floor slab.
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The completed formwork should include both beam and floor slab sections, ensuring all connections are secure and ready for concrete pouring.