1.1 Study FIGURE 1.1 and describe the action that is unsafe - NSC Civil Technology Construction - Question 1 - 2016 - Paper 1
Question 1
1.1 Study FIGURE 1.1 and describe the action that is unsafe.
1.1.2 Describe how this unsafe action can be rectified.
1.2 Predict the consequences if the following ... show full transcript
Worked Solution & Example Answer:1.1 Study FIGURE 1.1 and describe the action that is unsafe - NSC Civil Technology Construction - Question 1 - 2016 - Paper 1
Step 1
Study FIGURE 1.1 and describe the action that is unsafe.
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Answer
In FIGURE 1.1, the unsafe action involves a person standing on a table or chairs to reach a higher point. This poses risks of falling and injury.
Step 2
Describe how this unsafe action can be rectified.
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Answer
To rectify this action, the person can use a ladder or scaffolding that is appropriate for the required height. This ensures safety by providing stable support.
Step 3
Predict the consequences if the following safety equipment is not used:
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1.2.1 If face protection is not used, sparks from cutting or grinding tools may cause serious injury to the eyes.
1.2.2 Without a dust mask, inhaling dust can lead to respiratory problems, particularly when working with materials like wood or cement.
1.2.3 Not wearing safety boots can result in foot injuries from heavy objects falling or sharp objects penetrating through the shoe.
Step 4
Recommend THREE safety precautions that must be adhered to when handling heavy materials.
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Answer
Ensure workers maintain a safe distance from heavy materials being moved.
Seek help when handling materials that are too heavy.
Use proper lifting techniques to avoid back injuries.
Step 5
Distinguish, by means of free-hand sketches, between skirting and quadrant (quarter round moulding).
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Skirting is typically a flat piece that runs along the base of a wall, while quadrant moulding is rounded. (Sketches should be provided to illustrate these differences).
Step 6
Identify the type of steel profile.
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Answer
The type of steel profile shown in FIGURE 1.5 is a Channel iron.
Step 7
Explain ONE property of the steel profile.
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Answer
One important property of the channel iron is that it is malleable, which allows for easy shaping and joining in various construction applications.
Step 8
Explain the purpose of stone in concrete.
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Stone is used in concrete to increase its bulk, improve its structural integrity, and ensure a stable mix that reduces shrinkage and deformation.
Step 9
Name THREE places in a building where damp-proof course (DPC) or a damp-proof membrane should be used.
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Beneath concrete floors.
Under window sills.
At roofs or under roof covering.
Step 10
Give ONE reason why you will use damp-proof course (DPC) when constructing a building.
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Damp-proof course is used to prevent dampness from rising and damaging walls, ensuring a dry and stable structure.
Step 11
Identify the bond used in the wall.
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Answer
The bond used in the wall shown in FIGURE 1.9 is a stretcher bond.
Step 12
Project and draw the end view of this wall on ANSWER SHEET 1.9.
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(Drawing should be completed on the answer sheet according to the provided dimensions.)
Step 13
On ANSWER SHEET 1.9, project and draw from the given view the plan course of a T-junction for a one-brick wall of course AA.
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(Drawing should include the configuration of the T-junction, as specified.)
Step 14
Name TWO materials that can be used as roof covering for buildings along the coast.
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Galvanised corrugated iron sheets.
Thatch roof.
Step 15
State TWO disadvantages of using timber frames instead of steel frames for windows.
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Timber frames require more maintenance as they are prone to damage from moisture and pests.
Timber is more susceptible to fire damage compared to steel.
