QUESTION 1: OHSA, MATERIALS, TOOLS, EQUIPMENT AND JOINING (GENERIC)
Start this question on a NEW page - NSC Civil Technology Construction - Question 1 - 2023 - Paper 1
Question 1
QUESTION 1: OHSA, MATERIALS, TOOLS, EQUIPMENT AND JOINING (GENERIC)
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FIGURE 1.1 below shows a temporary platform that is currentl... show full transcript
Worked Solution & Example Answer:QUESTION 1: OHSA, MATERIALS, TOOLS, EQUIPMENT AND JOINING (GENERIC)
Start this question on a NEW page - NSC Civil Technology Construction - Question 1 - 2023 - Paper 1
Step 1
1.1.1 Identify THREE parts that have been omitted from the structure that will negatively impact on the safety of workers.
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Answer
The three omitted parts that negatively impact the safety of workers include:
Baseplate: This is essential for stabilizing the scaffold and preventing it from sinking into the ground.
Soleplate: Similar to the baseplate, it provides an additional layer of support.
Kickboard/Toe-board: This protects workers from tools and materials that may fall off the platform.
Step 2
1.1.2 Predict what could happen if the platform is used as shown in FIGURE 1.1.
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If the platform is used in its current state, several dangerous outcomes could occur:
Vertical standards may sink into the ground, leading to instability.
The scaffold could tilt, increasing the risk of falls.
Tools and materials may fall from the scaffold, posing dangers to workers below.
Step 3
1.2.1 Oil-based paint can be applied to protect ferrous metal against (shrink/rust/bending).
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Rust.
Step 4
1.2.2 Galvanising is the process to cover iron or steel with a layer of (aluminium/lead/zinc).
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Zinc.
Step 5
1.2.3 The strength of concrete can be increased by (adding lime/keeping it moist/drying it quickly).
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Keeping it moist.
Step 6
1.2.4 Electroplating is the process of coating (metal/lead/plastic) with a thin layer of another material.
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Metal.
Step 7
1.2.5 Powder coating is the process of applying a (plastic/aluminium/copper) finish in powder form.
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Plastic.
Step 8
1.3 Explain why it is advisable to keep the height of the guard rails between 900 to 1 000 mm above the scaffold working platform.
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It is advisable to maintain the height of guard rails within this range to ensure that workers are kept safe from falling off the scaffold. This height helps to prevent them from leaning over the edge and falling while performing their tasks.
Step 9
1.4 Describe ONE precaution that must be adhered to when storing a ladder.
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One important precaution is to store the ladder in a dry place after use to prevent rust and deterioration, ensuring it remains safe for future use.
Step 10
1.5 Describe ONE check that the operator needs to perform before the builder's hoist moves.
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The operator must ensure that the builder's hoist is not overloaded, checking that the weight does not exceed specified limits to maintain safety.
Step 11
1.6 Explain why the fire-fighting measures must be stated in the material safety data sheet of hazardous chemical substances.
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The fire-fighting measures provide critical information to ensure that personnel can respond appropriately in the event of a fire involving the chemical. This is vital for limiting damage, injuries, and ensuring effective emergency response.
Step 12
Identify A to D.
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