NSC Civil Technology Construction Methods of joining materials: QUESTION 1: OHSA, MATERIALS, TOO

Question

QUESTION 1: OHSA, MATERIALS, TOOLS, EQUIPMENT AND JOINING (GENERIC)
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FIGURE 1.1 below shows a temporary platform that is currently not suitable for use in the building environment.

1.1 Identify THREE parts that have been omitted from the structure that will negatively impact on the safety of workers.

1.2 Choose the correct word(s) from those given in brackets. Write only the word(s) next to the question numbers (1.2.1 to 1.2.5) in the ANSWER BOOK, e.g. 1.2.6.
1.2.1 Oil-based paint can be applied to protect ferrous metal against (shrinkage/rust/bending).
1.2.2 Galvanising is the process to cover iron or steel with a layer of (aluminium/lead/zinc).
1.2.3 The strength of concrete can be increased by (adding lime/keeping it moist/drying it quickly).
1.2.4 Electroplating is the process of coating (metal/lead/plastic) with a thin layer of another material.
1.2.5 Powder coating is the process of applying a (plastic/aluminium/copper) finish in powder form.

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.

1.4 Describe ONE precaution that must be adhered to when storing a ladder.

1.5 Workers and materials are in a builder's hoist. Describe ONE check that the operator needs to perform before the builder's hoist moves.

1.6 Explain why the fire-fighting measures must be stated in the material safety data sheet of toxic substances.

FIGURE 1.7 below shows joining fixtures.

1.7 Identify A to D.

1.8 A new building is being erected. Name the tool that can be used to:
1.8.1 Check if the height of doors and windows is at the same level.
1.8.2 Measure levels and slopes.

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

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

Identify THREE parts that have been omitted from the structure that will negatively impact on the safety of workers.

1.2.1 Oil-based paint can be applied to protect ferrous metal against (shrinkage/rust/bending).

1.2.2 Galvanising is the process to cover iron or steel with a layer of (aluminium/lead/zinc).

1.2.3 The strength of concrete can be increased by (adding lime/keeping it moist/drying it quickly).

1.2.4 Electroplating is the process of coating (metal/lead/plastic) with a thin layer of another material.

1.2.5 Powder coating is the process of applying a (plastic/aluminium/copper) finish in powder form.

Explain why it is advisable to keep the height of the guard rails between 900 to 1 000 mm above the scaffold working platform.

Describe ONE precaution that must be adhered to when storing a ladder.

Describe ONE check that the operator needs to perform before the builder's hoist moves.

Explain why the fire-fighting measures must be stated in the material safety data sheet of toxic substances.

Identify A to D.

Name the tool that can be used to check if the height of doors and windows is at the same level.

Name the tool that can be used to measure levels and slopes.

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