Gang Nail: 

King Post: 

A  a temporary working platform

B  a length of material used to conceal the gap between the wall and the ceiling

C  slope/angle/fall of the roof

D  a flat plate with many spikes used in roof truss construction

E  used to absorb the sound of wind

F  vertical distance between two consecutive treads of a staircase

G  used to cover the gap between the roof covering at the highest point of the roof

H  longest vertical member that determines the height of the roof truss 

Ridge Capping:

Show, by using freehand sketches, the difference between the following types of concrete slabs: (Show the walls and slabs.) 

FIGURE 1.3 shows an incomplete gauged segmental arch with construction lines. The incomplete courses of surrounding brickwork are also shown. 

FIGURE 1.4 below shows the top view of a roof layout showing the roof trusses and the outer walls of an L-shaped building. Analyse the illustration and answer the questions that follow. 

Refer to Figure 1.4

Name part B. (1)

Refer to Figure 1.4

Identify component C. (1)    

Refer to Figure 1.4

Name the rafter at D. (1)    

Refer to Figure 1.4

Name the truss at E. (1)    

Refer to Figure 1.4

Name part G where the TWO roof surfaces meet. (1)    

Refer to Figure 1.4

Name the rafter at F. (1)    

Refer to Figure 1.4

What type of roof is used on the eastern side of the building? (1)    

Refer to Figure 1.4

What is the maximum distance between truss centres when corrugated sheet metal or IBR sheeting is used as a roof covering? (1) 

FIGURE 2.1 below shows formwork supporting a concrete floor. Analyse the illustration and answer the questions that follow. 

Identify components A to H. (8)    

Refer to Figure 2.1

Explain why the reinforcement in the concrete floor is placed closer to the bottom of the floor. (2)

Refer to Figure 2.1

Explain the purpose of G.(1)

Refer to Figure 2.1

Explain the purpose of H.(1)

Refer to Figure 2.1

Explain the purpose of H.(1)

Tabulate the differences between strip foundations and short bored piles according to the criteria in the table below. (4)

FIGURE 2.4 below shows different readings taken with a dumpy level. Use the given readings and calculate the following:

The difference in height between levelling staff A and levelling staff B (2)

Refer to Figure 2.4

The difference in height between levelling staff B and levelling staff C (2)

Refer to Figure 2.4

What is the reading at B called?  (1)

Refer to Figure 2.4

Is there a rise or a fall from B to C?   (1)

FIGURE 2.5 below shows an isometric view of a construction at the top of a dry-wall construction. Do NOT redraw the sketch. Use it as a hint to answer 

Refer to Figure 2.5

Name TWO materials that can be used for the cladding of dry walls. (2) 

Describe TWO safety precautions you will take when using electric power tools. (2) 

Safety signs are represented with circle, square and triangular shapes. Which shape is used to indicate general information? (1) 

Various options are given as possible answers to the following questions. Choose the answer and write only the letter (A–D) (1)

One way of saving electricity is to

A keep all appliances switched on at all times.
B switch the geyser off when you are away from home for a long period of time.
C switch off the water supply to the geyser when it is not in use.
D keep all lights on throughout the night. (1)

Explain THREE advantages and THREE disadvantages of a shallow well- water supply system. (6)

FIGURE 3.3 below shows part of a sewerage system. Analyse the illustration and answer the questions that follow. 

Identify components A, B and C. (3)    

Refer to Figure 3.3

Determine the direction of flow of sewage (D or E). (1)    

Refer to Figure 3.3

Explain why B is at an angle with the main pipe. (1)    

Refer to Figure 3.3

Explain the purpose of component A. (1)    

Refer to Figure 3.3

Discuss TWO advantages of installing component A in a sewerage system instead of installing a manhole. (2)

FIGURE 3.4  shows a line diagram of the plan view of a house. Draw the following electrical drawing symbols on Figure 3.4: 

 A power socket in the garage at A (1) 

 A single-tube fluorescent light at B (1)

 A three-lever switch at the entrance of the garage at  C (1)

 A wall light at the entrance of the garage at D (1)

 A light in the TV room at E (1)

 A single-lever switch for the light in the TV room at  F (1)

  A distribution board in the kitchen (1) 

In the absence of a municipal waterborne sewerage system, name TWO other methods that can be used to dispose of sewage and explain the difference between the TWO methods. (4) 

Indicate whether the following statement is TRUE of FALSE. Write only 'true' or 'false' 

Mild steel is a metal that cannot be recycled. (1)    

Indicate whether the following statement is TRUE of FALSE. Write only 'true' or 'false' 

Copper is an example of a non-ferrous metal. (1)    

Indicate whether the following statement is TRUE of FALSE. Write only 'true' or 'false' 

Timber that has to be used outdoors must be painted or varnished to be durable. (1) 

Indicate whether the following statement is TRUE of FALSE. Write only 'true' or 'false'

Rolled glass consists of a polymer sheet between two layers of glass. (1) 

Indicate whether the following statement is TRUE of FALSE. Write only 'true' or 'false' 

Safety glass must be used for all glazed sliding doors. (1)    

Indicate whether the following statement is TRUE of FALSE. Write only 'true' or 'false' 

Bolts and nuts can be used to join members of a steel roof truss. (1)    

You are given TWO options for preserving timber. One is submersion and the other one the full-cell process.

Give ONE advantage of:

Submersion (1)

The full-cell process (1)

FIGURE 4.3 shows the front elevation and vertical section of a part of a wall (superstructure only). 

Refer to Figure 4.3

Calculate

The total area of the wall, including windows (before deductions) (4)

The area of window 1 (3)

The area of window 2 (3)

The total wall area, excluding windows (1) 

Complete the following sentence by using the words in the list below. Write only the word.

The strength of a material refers to its ability to resist forces being applied to it without .......... , bending, splintering or changing shape. (1)

Complete the following sentence by using the words in the list below. Write only the word.

............is a profile of steel that can be used for steel roof construction. (1)

Complete the following sentencesby using the words in the list below. Write only the word.

An example of a material that will not corrode is .............(1)

Complete the following sentence by using the words in the list below. Write only the word.

One method of preventing metal from corroding is called............. (1)

Complete the following sentence by using the words in the list below. Write only the word.

The durability of a metal can refer to the metal's resistance to .............. factors such as water, air, salts, and acids.(1)

FIGURE 5.1 below shows the space and shear-force diagrams of a beam with a span of 8 m with two point loads and a uniformly distributed load. Analyse the diagrams and answer the following questions. 

Convert the uniformly distributed load to a point load and write down the value of the converted point load. (1) 

Refer to Figure 5.1

Deduce the value of the point load at D from the space diagram. (1)  

Refer to Figure 5.1

Refer to Figure 5.1

Refer to Figure 5.1

Prove by means of calculation that the beam is in equilibrium. (2)    

Refer to Figure 5.1

Recommend a suitable scale for the shear-force diagram so that it will fit on a sheet of A4 paper with the space diagram. (1) 

Refer to Figure 5.1

Deduce from the space diagram the value of the shear force at A (SFa). (1)

Refer to Figure 5.1

Prove by means of calculation that the value of the shear force at B (SFb) is equal to 12,5 N. (2) 

Refer to Figure 5.1

Prove by means of calculation that the value of the shear force at D (SFd) is -15,5 N. (2) 

Refer to Figure 5.1

Prove by means of calculation that the value of the shear force at E (SFe) is 0 N. (2) 

Refer to Figure 5.1

Is there an error in the shear force diagram regarding the magnitude of the forces? Write only YES or NO. (1) 

FIGURE 5.2 below shows a lamina.    

Calculate the position of the centroid of the lamina from A–B. (12)    

Deduce from FIGURE 5.2 the position of the centroid from A–C.
Round off your answer to TWO decimal places. (2)

FIGURE 6.2 below shows a line diagram of a floor plan of a Civil Technology workshop. 

Draw the floor plan of the workshop to scale 1 : 100 

Refer to Figure 6.2

Refer to Figure 6.2

Draw the drawing symbol for a hand basin on the floor plan in the space as indicated on the line diagram.