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Start this question on a NEW page - NSC Civil Technology Construction - Question 5 - 2021 - Paper 1
Question 5
Start this question on a NEW page. 5.1 Name the machine that is used to create a splatter-dash finish. FIGURE 5.2 below shows the construction detail to plaster th... show full transcript
Worked Solution & Example Answer:Start this question on a NEW page - NSC Civil Technology Construction - Question 5 - 2021 - Paper 1
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5.2.2 Explain why a stronger plaster mixture is needed to finish off the reveals.
Answer
A stronger plaster mixture is required to finish off the reveals because the reveals are exposed to more movement and rough handling than other parts of the wall. This added strength helps to ensure durability and prevents cracking or flaking of the plaster over time.
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5.3 Draw in the ANSWER BOOK a neat sketch showing half of a wooden turning piece/centre for a semi-circular arch with closed laggings.
Answer
In this sketch, one should depict half of a wooden turning piece with semi-circular features. Ensure to include closed laggings, which should be shown without any gaps between them, allowing for a continuous and firm structure.
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5.4 ANSWER SHEET 5.4 shows the lintel above the window in a cavity wall.
Answer
To create the sectional view, include details such as the DPC, wall ties, and header course. Each element must be accurately placed to show how they interconnect within the cavity wall structure. Ensure the use of a scale of 1:5.
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5.5 ANSWER SHEET 5.5 shows the outlines of two consecutive brick courses of a one-and-a-half-brick pier built in stretcher bond.
Answer
Utilize the provided answer sheet to complete the brick courses, ensuring to follow the stretcher bond pattern precisely. Each course must align correctly with the previous one while maintaining the width and depth appropriate for the one-and-a-half-brick pier.