3.1 Give ONE word/term for each of the following descriptions by choosing a word/term from the list below - NSC Civil Technology Construction - Question 4 - 2020 - Paper 1
Question 4
3.1 Give ONE word/term for each of the following descriptions by choosing a word/term from the list below. Write only the word/term next to the numbers (3.1.1 to 3.1... show full transcript
Worked Solution & Example Answer:3.1 Give ONE word/term for each of the following descriptions by choosing a word/term from the list below - NSC Civil Technology Construction - Question 4 - 2020 - Paper 1
Step 1
3.1.1 The maximum spacing between roof trusses for a thatch roof
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Answer
The maximum spacing between roof trusses for a thatch roof is 760 mm.
Step 2
3.1.2 The material that can be used as an underlay to reduce the fire hazard during the construction of a thatch roof
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Sisalation is the material that can be used as an underlay to reduce the fire hazard.
Step 3
3.1.3 The maximum spacing between the battens for a thatch roof
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The maximum spacing between the battens for a thatch roof is 300 mm.
Step 4
3.1.4 The type of roofing cover if the maximum space between the roof trusses is 760 mm
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If the maximum space between the roof trusses is 760 mm, thatch is the appropriate type of roofing cover.
Step 5
3.1.5 The dimensions of a batten that is used in an eases construction for corrugated iron sheet covering
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The dimensions of a batten used in an eases construction for corrugated iron sheet covering is 50 x 76 mm.
Step 6
3.2.1 Minimum width of the staircase
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The minimum width of the staircase should be at least 1 meter to ensure safety and ease of use.
Step 7
3.2.2 Minimum headspace
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The minimum headspace should be at least 2 meters to allow for comfortable passage.
Step 8
3.2.3 Safety
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Answer
To enhance safety, adequate handrails should be placed on both sides of the staircase.
Step 9
3.3 Differentiate between a rise and riser as used in a staircase.
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The 'rise' refers to the vertical height between consecutive treads, whereas the 'riser' is the vertical component of a stair step.
Step 10
3.4 Name the template that is used to set out a staircase.
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The template used to set out a staircase is called a 'stair gauge.'
Step 11
3.5 State any TWO purposes of a balustrade.
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A balustrade provides safety by preventing falls from the staircase.
It serves as a decorative element enhancing the aesthetic appeal of the staircase.
Step 12
3.6 Use ANSWER SHEET 3.6 and draw a neat freehand sketch, in good proportion, to show how a roof truss is joined to a wall.
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To answer this, you should illustrate a roof truss accurately positioned and indicate the joining method to the wall, using appropriate labels and dimensions.
Step 13
3.7 Use ANSWER SHEET 3.7 and draw to scale of 1:1 to the junction between the tie beam, king post and struts of a gang-nailed South African (Howe) roof truss.
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Draw the junction accurately with a 30° angle between the struts and the beam. Label the tie beam, king post, and struts with their respective dimensions.
