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3.1 Differentiate, by means of a labelled freehand drawing, between a tread and rise of a staircase - NSC Civil Technology Construction - Question 3 - 2023 - Paper 1
Question 3
3.1 Differentiate, by means of a labelled freehand drawing, between a tread and rise of a staircase. 3.2 Name TWO types of roof trusses that do NOT use tie beams. ... show full transcript
Worked Solution & Example Answer:3.1 Differentiate, by means of a labelled freehand drawing, between a tread and rise of a staircase - NSC Civil Technology Construction - Question 3 - 2023 - Paper 1
Step 1
Differentiate, by means of a labelled freehand drawing, between a tread and rise of a staircase.
Answer
To differentiate between a tread and rise of a staircase, a labelled freehand drawing should be created. The tread is the horizontal part of the step where one walks, while the rise is the vertical part, which provides the height between each step.
- Label the drawing with 'Tread' at the horizontal component and 'Rise' at the vertical component. Make sure to clearly show these components in relation to each other.
Step 2
Step 3
Use ANSWER SHEET 3.3 and complete the sketch to show how a roof truss is joined to a wall by using a hoop iron strap. Print any ONE label.
Answer
In completing the sketch on ANSWER SHEET 3.3, depict the roof truss positioned against the wall. Show the hoop iron strap connecting the truss to the wall securely. Label this connection clearly with 'Hoop Iron Strap'. Ensure that the truss is shown in detail to indicate how it is fastened.
Step 4
Use ANSWER SHEET 3.4 and differentiate, according to scale 1 : 10, between the ridge construction of a South African (Howe) roof truss and the ridge construction of a closed couple roof truss.
Answer
On ANSWER SHEET 3.4, create detailed diagrams of both ridge constructions at a scale of 1:10.
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For the Howe Truss, illustrate two inclined members sloping towards each other with a horizontal tie below.
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For the Closed Couple Roof Truss, show two steeply pitched rafters meeting at the ridge, without any tie beams.
Label each component accurately, indicating the differences in structure and design.