3.1 Name ONE type of roof covering that requires the roof trusses to be spaced 760 mm apart - NSC Civil Technology Construction - Question 3 - 2021 - Paper 1
Question 3
3.1 Name ONE type of roof covering that requires the roof trusses to be spaced 760 mm apart.
3.2 What is the maximum span of a closed-couple roof truss?
3.3 Name T... show full transcript
Worked Solution & Example Answer:3.1 Name ONE type of roof covering that requires the roof trusses to be spaced 760 mm apart - NSC Civil Technology Construction - Question 3 - 2021 - Paper 1
Step 1
3.1 Name ONE type of roof covering that requires the roof trusses to be spaced 760 mm apart.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One type of roof covering that requires the roof trusses to be spaced 760 mm apart is Fibre cement tiles or Thatch.
Step 2
3.2 What is the maximum span of a closed-couple roof truss?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The maximum span of a closed-couple roof truss is 4 metres.
Step 3
3.3 Name TWO methods that can be used to secure a wall plate to a wall.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Two methods that can be used to secure a wall plate to a wall are:
Timber bolted or Rawl bolted to the top of the wall.
Screwed to the wall.
Step 4
3.4 Identify methods A and B.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Method A involves pre-drilled holes filled with grout or baluster fixing onto the tread. Method B involves bolts or Rawl bolts used to secure the baluster onto the side of the string.
Step 5
3.5 Use ANSWER SHEET 3.5 and complete the sectional view of a straight flight of concrete stairs.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
To complete the sectional view, draw:
The top part of the concrete staircase including a landing.
The handrail positioned correctly and supporting members detailed for the entire staircase.
Step 6
3.6 Use ANSWER SHEET 3.6 and draw to a scale of 1 : 10 a couple roof truss with supporting walls.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Draw a couple roof truss specifying:
The ridge beam at the top.
The wall plates attached to the walls.
Ensure the rafters are included and the indicated span and specifications are followed.
