Brick force

Servitude

Thatching

Tie beam 

Roof underlay 

Sole plate/Base plate 

 King post

Corrosion

Angle grinder 

 Rafter

Cement has been delivered to your site and you are required to move it from the truck to the shed. Name THREE personal safety items you will wear while carrying the cement from the truck to the shed.

The sketch  on the answer sheet attached shows a plan course of a wall built in English bond.

Use the ANSWER SHEET to project and draw, from the given view, the consecutive course of the wall in good proportion. Show the following on the drawing:
• Headers
• Queen closers                                                (3)

NOTE: Proportion and line work will count two marks.                                                                (2)

Print a title for the drawing.                          (1)

Indicate the following labels on your drawing:
• Header
• Queen closer                                                  (2)

Make a neat freehand sketch of a vertical sectional view of two planks to show an assembled tongue and groove joint for a floor. Show the grain of the two tongue and groove planks.

Name TWO items (fixing agents) that can be used to mount a cabinet against a wall.

The two materials that can be used to join members of roof trusses are A… and B …

C … are used to join two skins (layers) of a cavity wall.

D … are used to fix gypsum ceiling boards to brandering (ceiling battens) before the boards are skimmed.

Pile foundations are used in stable ground.

Stirrups are found in a reinforced beam.

Independent scaffolding is a type of scaffolding that is secured to a building.

Strip foundations are used in unstable soil.

Voussoirs are tapered bricks used in the construction of arches.

When the installation shown in FIGURE 2.2 has been completed, explain the follow-up processes to complete the floor.                                     

Recommend another construction method that can be used to construct a suspended concrete floor.

Explain ONE advantage of the type of suspended floor shown in FIGURE 2.2 above over other methods of construction.

Recommend a floor covering you will use to finish this floor.

Name parts A and B.

Recommend the material to be used for B.

Explain why joints C in part A are staggered on either side of B.

Recommend TWO methods to conceal the joints at C.

Two square concrete columns are to be used as supports for billboards that are to be erected in front of your school. Make a horizontal sectional drawing showing the formwork of ONE of the columns. Use the following specifications and draw to scale 1 : 10, the horizontal section of the formwork.
Specifications:
• Size of the column is 500 mm x 500 mm
• Shutter board 21 mm thick
• Two clamps 76 mm x 50 mm
• Two yokes 76 mm x 50 mm
• Four wedges
• Two 16 mm diameter (Ø) threaded rods with nuts

FIGURE 6 (attached) shows a dumpy level in two different positions. The incomplete level-book page (collimation table) is given.

A. Use the information in the table and calculate the values for D and E.                                   

B. Calculate the differences and show the results of your answers in the table.                         

Identify the primary source for generating electricity as shown in FIGURE 3A.

Identify the primary source for generating electricity as shown in FIGURE 3B.

Explain TWO advantages of generating electricity as shown in FIGURE 3A.

Explain TWO disadvantages of generating electricity as shown in FIGURE 3B.

FIGURE 5 (attached) shows a line diagram of an L-shaped building that is to be erected on a vacant stand.

A.
Draw the symbols for the following sanitary fittings indicated by numbers 1 to 4 on Figure 5:
1. Shower
2. Water closet
3. Wash basin
4. Double-bowl kitchen sink                             (4)

B.

On Figure 5, design a sewerage system and draw the sewerage plan for the building. Take into consideration all regulations and design principles of a good sewerage system. Indicate the following on your drawing:
• A manhole near the connection to the conservancy tank
• A gulley at the kitchen sink
• A vent pipe at the water closet
• A rodding eye at the highest point of the sewerage system and another one where there is a change in direction
• Inspection eyes where branch and main pipes meet
• Indicate all sewerage abbreviations where applicable
                                                                          (11)

C.

On the drawing, indicate the diameter of the pipe, the type of pipe and the slope of the main sewer line.
                                                                           (3)

D.

Next to the electrical symbols (A–F) on the drawing, write the correct names for the symbols shown.
                                                                          (6)

Name the test that you are expected to conduct with the equipment and material provided to you.

Name THREE possible results of the test you conducted on the fresh concrete.

Make neat freehand sketches of TWO possible results of the test done on the concrete. Label your drawings.

A. The number of bricks required to build the wall if 110 bricks are used to build one square metre of a 220 mm thick wall
                                                                      (15)

B. 5% for breakages and cutting of bricks
                                                                          (2)

Explain TWO negative consequences that insufficient concrete cover can have on reinforcement in concrete structures.

Explain THREE advantages of using varnish as a preservative on timber windows.

Prove, by means of calculation, that the bending moment at A (BMa) = 0 kNm.

Prove, by means of calculation, that the bending moment at B (BMb) = 13 kNm.

Prove, by means of calculation, that the bending moment at C (BMc) = 16 kNm.

Prove, by means of calculation, that the bending moment at D (BMd) = 11 kNm.

Prove, by means of calculation, that the bending moment at E (BMe) = 0 kNm.

Prove, by means of calculation, that the beam is in equilibrium.

Use the information in QUESTION 1 and draw the following on the attachec ANSWER SHEET:

A. The space diagram of the beam to scale 10 mm = 1 m
                                                                         (1)
B. The bending moment diagram to scale 5 mm = 1 kNm
                                                                         (4)

FIGURE 8 below shows a lamina of a right-angled triangle with a rectangular hole in it. Calculate the position of the centroid of the lamina from A–A. Round off your answer to TWO decimals.

HINT: Use the formula on the formula sheet.

FIGURE 9 below shows the space diagram of a king-post roof truss with a single point load of 150 N and a span of 10 metres.

A. On ANSWER SHEET (attached), develop and draw a vector diagram to determine graphically the magnitude and nature of the forces in each member (part) of the truss. Use scale 1 mm = 1 N.
                                                                            (5)
B. Deduce (Use) the information from the space and vector diagrams and complete the table on ANSWER SHEET.
                                                                            (6)

Using the specifications below, develop and draw to scale 1 : 50 the floor plan for the granny flat.

Specifications:
• External walls are 220 mm thick.
• Internal walls are 110 mm thick.
• All door openings are 900 mm wide.
• The internal measurements of the rooms are:
- Open-plan kitchen and lounge: 4 950 mm x 5 560 mm
- Bedroom: 4 000 mm x 3 450 mm
- Bathroom: 4 000 mm x 2 000 mm
Show the following in your drawing:
ON THE NORTHERN SIDE OF THE BUILDING
• An entrance door to the lounge which is 500 mm from point B
• A window 1 800 mm wide is placed in the centre of the wall of the lounge
• A window 1 800 mm wide in the bedroom is placed 1 000 mm from point C
ON THE SOUTHERN SIDE
• An entrance door to the kitchen which is 500 mm from point A
• A window 1 200 mm wide is placed in the centre of the wall of the kitchen
• A window 1 200 mm wide is placed in the centre of the wall of the bathroom
IN THE BEDROOM
• A door that leads from the lounge into the bedroom
• A door that leads from the bedroom into the bathroom
• A built-in cupboard
IN THE KITCHEN
• A single-bowl kitchen sink under the window
(1 000 mm x 500 mm)
IN THE BATHROOM
• A water closet
• A bath (1 800 mm x 800 mm)
• A wash basin (500 mm x 350 mm)
                                                                          (21)

Indicate the dimensions of the overall length and width of the building on the drawing.
                                                                           (2)

Print the title and scale below the drawing.
                                                                           (2)

A. Complete the table to indicate the name of members A to H, and J to M.
                                                                    (12)
B. What must the minimum distance between J and K be?
                                                                       (1)
C. What will be a suitable scale for drawing this elevation?
                                                                        (1)
D. Recommend a suitable exterior finish for the wall.
                                                                        (1)