CIVIL TECHNOLOGY: WOODWORKING
GRADE 12 
NSC EXAMS
PAST PAPERS AND MEMOS
NOVEMBER 2018

REQUIREMENTS:  

1. Drawing instruments
2. A non-programmable calculator
3. ANSWER BOOK 

INSTRUCTIONS AND INFORMATION

1. This question paper consists of SIX questions. 
2. Answer ALL the questions. 
3. Answer each question as a whole. Do NOT separate subsections of  questions. 
4. Start the answer to EACH question on a NEW page. 
5. Do NOT write in the margins of the ANSWER BOOK. 
6. You may use sketches to illustrate your answers. 
7. Write ALL calculations and answers in the ANSWER BOOK or on the  attached ANSWER SHEETS as required. 
8. Use the mark allocation as a guide to the length of your answers. 
9. Make drawings and sketches in pencil, fully dimensioned and neatly finished  off with descriptive titles and notes to conform to the SANS/SABS Code of  Practice for Building Drawings.
10. For the purpose of this question paper, the size of a brick should be taken as  220 mm x 110 mm x 75 mm.
11. Use your own discretion where dimensions and/or details have been omitted. 
12. Answer QUESTIONS 2, 3.5, 5.9, 6.3 and 6.7 on the attached ANSWER  SHEETS using drawing instruments, where necessary.
13. Write your CENTRE NUMBER and EXAMINATION NUMBER on every  ANSWER SHEET and hand them in with your ANSWER BOOK, whether you  have used them or not. 
14. Drawings in the question paper are NOT to scale due to electronic transfer. 
15. Google Images was used as the source of all photographs and pictures.

QUESTIONS 

QUESTION 1: OHSA, MATERIALS, TOOLS, EQUIPMENT AND JOINING (GENERIC) 
Start this question on a NEW page. 
1.1 Choose a description from COLUMN B that matches an item in COLUMN A. Write only the letter (A–G) next to the question numbers (1.1.1 to 1.1.5) in the  ANSWER BOOK, e.g. 1.1.6 H. 

1.2 Describe TWO safety precautions that must be adhered to when working on a  scaffold. (2) 
1.3 What is the purpose of the guard rail of a scaffold in terms of safety? (2)
1.4 Explain the purpose of painting. (2)
1.5 Describe ONE advantage of the curing process of concrete. (1)
1.6 FIGURE 1.6 below shows a tool that is used in the building construction industry. 

FIGURE 1.6 
1.6.1 Identify tool A. (1)
1.6.2 Explain TWO uses of tool A. (2) 
1.6.3 Explain why the batteries should be removed from the tool if the  tool is not going to be used for a long time. (1) 
1.7 FIGURE 1.7 below shows joining fixtures that are used on building sites and  in workshops.  

FIGURE 1.7 
1.7.1 Identify fastener A and fastener B. (2) 
1.7.2 Explain ONE use of fastener A and fastener B respectively. (2) [20] 

QUESTION 2: GRAPHICS AS METHOD OF COMMUNICATION (GENERIC) 
FIGURE 2 on the next page shows different drawings that appear on a building plan.  Analyse the drawings and complete the table on ANSWER SHEET 2. 

FIGURE 2 [40] 

QUESTION 3: CASEMENTS, CUPBOARDS, WALL-PANELLING AND QUANTITIES  (SPECIFIC) 
Start this question on a NEW page. 
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 question  numbers (3.1.1 to 3.1.5) in the ANSWER BOOK, e.g. 3.1.6 Casement. 

3.1.1 Boards that are usually made of knotty pine and fit easily into one  another by means of a specific feature on each side of the board (1) 
3.1.2 The recommended depth of free-standing cupboards (1)
3.1.3 To close the opening between the wall and the ceiling (1) 
3.1.4 Prevent rainwater from being blown into the casement and  penetrating the room (1) 
3.1.5 The small window that is built above the opening of a door or  window (1)
3.2 FIGURE 3.2 below shows an external elevation of a double casement with  fanlights. Study the picture and answer the questions that follow. 

 FIGURE 3.2 
3.2.1 What type of material can be used for part A and part B respectively? (2) 
3.2.2 Explain the purpose of C. (1) 
3.3 FIGURE 3.3 below shows the inside of a built-in cupboard without doors.  Study the drawing and answer the questions that follow. 

FIGURE 3.3 
3.3.1 A well-designed cupboard should consist of four main parts/units.  Name parts/units A to D in the drawing above. (4) 
3.3.2 Justify the use of melamine rather than plain chipboard for the  inside of a built-in cupboard. (1) 
3.3.3 Identify parts E to H. (4) 
3.4 FIGURE 3.4 below shows the sectional view of a tongue and groove wall  panel from the floor to the ceiling, fastened to a 110 mm thick wall. Study the  drawing and answer the questions that follow. 

FIGURE 3.4 
3.4.1 Identify parts A to C. (3)
3.4.2 Give TWO reasons for panelling a wall. (2) 
3.5 FIGURE 3.5 below shows the floor plan of a building with a gable roof. The external measurements are 9 000 mm x 5 000 mm. 

FIGURE 3.5 
Use the following specifications: 

• Walls are 220 mm thick
• Type of roof – South African (Howe) roof
• Centre-to-centre spacing between purlins = 900 mm
• True length of rafter (principal rafter) = 3 600 mm 

Use ANSWER SHEET 3.5 and calculate the following: 
3.5.1 Length of the wall plates (4) 
3.5.2 Number of purlins needed (4) [30] 

QUESTION 4: ROOFS, CEILINGS, TOOLS AND EQUIPMENT, AND MATERIALS  (SPECIFIC) 
Start this question on a NEW page. 
4.1 Choose a description from COLUMN B that matches an item in COLUMN A. Write only the letter (A–H) next to the question numbers (4.1.1 to 4.1.5) in the  ANSWER BOOK, e.g. 4.1.6 J. 

4.2 FIGURE 4.2 below shows a pictorial view of a roof with a hipped end and a  gable end with a valley. The roof will be covered with corrugated iron  sheeting. Study FIGURE 4.2 below and answer the questions that follow.  

FIGURE 4.2 
4.2.1 Identify members A to F. (6)
4.2.2 What are the breadth and thickness of part B in mm? (1) 
4.3 Explain why the corrugated iron sheeting is protruding 50 mm over the end of  the rafter. (1) 
4.4 Explain TWO characteristics of a good roof covering. (2) 
4.5 Differentiate between the profiles of IBR sheeting and corrugated iron  sheeting by means of single-line sketches. Name EACH sketch. (4) 
4.6 Describe TWO advantages a steel roof sheet. (2)
4.7 Explain the consequences if roof underlay is not installed under roof covering. (2) 
4.8 FIGURE 4.8 below shows a sectional view of a conventional trap door. Study  the sketch en give ONE word/term for each letter (A to D) by choosing a  word/term from the list below. Write only the word/term next to the letter (A–D) in the ANSWER BOOK, e.g. E – Rafter. 

FIGURE 4.8  (4) 
4.9 FIGURE 4.9 below shows two woodworking machines. Study the pictures and  answer the questions that follow. 

FIGURE 4.9 
4.9.1 Identify machines A and B. (2)
4.9.2 Recommend TWO ways of storing A after use. (2) 
4.9.3 What aspects would you take into consideration when taking care  of B? (2) 
4.9.4 Name THREE types of woodworking machines that you can use to  cut wood. (3) 
4.10 FIGURE 4.10 below shows two graded wooden planks.  

FIGURE 4.10 
4.10.1 Explain the grading of each plank as indicated by the letters. (2)
4.10.2 Explain the number on each plank. (1) 
4.10.3 Name the symbol that indicates that grading has been done, but  which is missing on each plank. (1) [40] 

QUESTION 5: CENTERING, FORMWORK, SHORING AND GRAPHICS AS  MEANS OF COMMUNICATION (SPECIFIC) 
Start this question on a NEW page. 
5.1 FIGURE 5.1 below shows a vertical sectional view through formwork for two  concrete beams. Study FIGURE 5.1 and identify members A to D. Write only  the answer next to the letter (A–D) in the ANSWER BOOK, e.g. E – Rib. 

FIGURE 5.1 (4) 
5.2 Recommend FOUR wooden board products that can be used as sides for  formwork. (4) 
5.3 Explain the purpose of folding wedges during the construction of formwork. (3) 
5.4 Explain the reason why the bottom soffit board in the construction of formwork  for a concrete beam is thicker than the sides of the formwork. (1) 
5.5 FIGURE 5.5 below shows a pictorial view of closed laggings. Study the  picture and answer the questions that follow.  

 FIGURE 5.5 
5.5.1 Identify parts A to C. (3) 
5.5.2 Explain ONE use of A if it is used in a closed position, as shown in  FIGURE 5.5. (1) 
5.5.3 Name ONE other position in which A can be used in laggings. (1) 
5.6 Explain ONE use of the following shores: 
5.6.1 Dead shore   (1) 
5.6.2 Double-flying shore (1)
5.7 Describe the function of the following components of a dead shore:
5.7.1 Steel dog (1)
5.7.2 Prop/Strut (1)
5.7.3 Sole plate (1) 
5.8 At what angle must the braces above and beneath the horizontal shores be  placed on a double-flying shore? (1) 
5.9 Use ANSWER SHEET 5.9 and draw a neat line diagram of a couple roof truss on top of the indicated walls. The slope of the roof truss is 45°. 
Show the following on the drawing: 

• The span by means of dimension lines
• Wall plates 
• Rafters 
• Ridge beam 
• Slope of the roof (7) [30] 

QUESTION 6: SUSPENDED FLOORS, STAIRCASES, IRONMONGERY, DOORS  AND JOINING (SPECIFIC) 
Start this question on a NEW page. 
6.1 Various options are given as possible answers to the following questions.  Choose the answer and write only the letter (A–D) next to the question  numbers (6.1.1 to 6.1.5) in the ANSWER BOOK, e.g. 6.1.6 C. 
6.1.1 The spacing between the floor joists … 

1. will not affect the strength of the suspended floor. 
2. depends on the thickness of the joist.
3. depends on the availability of timber planks.
4. should be 400 mm to 600 mm from centre to centre. (1)

6.1.2 Suspended timber floors … 

1. can only be used on upper levels.
2. can be placed directly on the floor. 
3. can be used on ground levels or upper levels.
4. do not need any air bricks or vents underneath the floor. (1)

6.1.3 Floorboards should have a ... 

1. mortice and tenon joint along the edges.
2. tongue along the one edge and a groove along the other edge. 
3. clearance of at least 50 mm from the plaster or the wall.
4. width of at least 40 mm and not exceed 180 mm. (1)

6.1.4 A framed ledged and braced batten door … 

1. can be used for back doors (kitchen).
2. has solid panels.
3. has braces of 40 mm.
4. can be made of board products. (1)

6.1.5 A three-panel door with raised and fielded panels … 

1. is ideal for the front entrance of a house.
2. should not be less than 1 000 mm away from the wall.
3. should have a total length of 1 800 mm. 
4. has no lock rail. (1)

6.2 At suspended floors of multistorey buildings there are two methods that are  commonly used to fix the ends of the floor joist to the walls.  
Differentiate between the TWO methods by means of neat freehand sketches.  Write the name of the method below EACH drawing. (4) 
6.3 FIGURE 6.3 on ANSWER SHEET 6.3 shows the foundation, NGL and the  starting point of the wall of a brick pier. Use ANSWER SHEET 6.3 and draw a  neat sketch, in good proportion, of a sectional view of a suspended timber  floor that is supported by brick piers. 
Show the following on your drawing: 

• One-brick pier 
• DPC
• Antguard 
• Bearer 
• Part of the floor joist on both sides of the brick pier 
• Floor boards (6) 

6.4 Draw a neat line diagram, in good proportion, of a staircase in your ANSWER  BOOK.  
Show the following on your drawing: 

• Landing
• Rise 
• Tread/Going 
• Newel/Newel post
• Handrail (5)

6.5 Explain the purpose of the landing in a staircase. (2) 
6.6 The lock is an important part of a door. On which part of a three-panel door or  door frame will you mount the following parts of a lock? 
6.6.1 Box lock/Casing (1)
6.6.2 Back plate/Striker plate (1)
6.6.3 Keeper (1)
6.6.4 Night lock (1) 
6.7 Use ANSWER SHEET 6.7 and draw neat top views of a raised panel and a  raised and fielded panel in the given spaces. (4)
6.8 Explain the purpose of opening A in FIGURE 6.8 below. 

FIGURE 6.8 (1) 
6.9 Study FIGURE 6.9 below which shows the inside bottom corner of a framed  ledge and braced batten door. Identify members A to C. 

FIGURE 6.9 (3) 
6.10 Use the descriptions below and explain the method of joining the  components. Write only the answer next to the question number in your  ANSWER BOOK. 
6.10.1 Door to door frame (1)
6.10.2 Ceiling board to ceiling battens/brandering (1)
6.10.3 Brandering to tie beam (1)
6.10.4 Adjacent members of a roof truss (1) 
6.11 State TWO methods that can be used to fix opening window frames to the  jambs of casements. (2) [40] 

 TOTAL: 200 

ANSWER SHEET 2

ANSWER SHEET 3.5  (8)

ANSWER SHEET 5.9 

ANSWER SHEET 6.3 

DRAWING NOT TO SCALE 

ANSWER SHEET 6.7 

DRAWING NOT TO SCALE