CIVIL TECHNOLOGY(WOODWORKING)
GRADE 12
NATIONAL SENIOR CERTIFICATE
MEMORANDUM
NOVEMBER 2019

QUESTION 1: OHSA, SAFETY, MATERIALS, TOOLS, EQUIPMENT AND JOINING (GENERIC)
1.1
1.1.1 B ✓(1)
1.1.2 I ✓ (1)
1.1.3 A ✓ (1)
1.1.4 G/H ✓ (1)
1.1.5 C ✓ (1)
1.1.6 F ✓ (1)
1.1.7 J ✓ (1)
1.1.8 E ✓ (1)
1.2 Electroplating:

• protects metals against corrosion. ✓
• improves the engineering- and mechanical properties of metal. ✓
• may be used to increase the thickness of undersized parts.
• is decorative.
• will extend the life span.
  ANY TWO OF THE ABOVE (2)

1.3 Curing ✓ (1)
1.4 The moisture:

• delays/prevents the rapid drying of fresh concrete.
• prevents concrete from cracking. ✓
• ensures that fresh concrete hardens properly.
• allows adhesive bonding.
• increases strength of fresh concrete.
  ANY ONE OF THE ABOVE (1)

1.5

• When material is transported in bulk, it must be secured firmly. ✓
• When material is transported to higher levels, make sure that workers maintain a safe distance from the material being moved overhead. ✓
• When heavy material is transported with a lift/hoist/machine, a qualified person must take charge of operations.
• Wear appropriate personal protective equipment(PPE).
• Material must be transported in a safe way.
• Transport should not be overloaded with material.
  ANY TWO OF THE ABOVE (2)

1.6 Scaffold planks should:

• be made of a solid wood at least 228 mm wide and 38 mm thick. ✓
• be able to support the load.
• be free from defects.
• not be painted as it will hide defects/be slippery.
• be supported at distances not exceeding 1,25 m.
• not project less than 70 mm and not more than 230 mm beyond the ends of the last prop.
• be firmly secured to prevent its displacement.
• be placed in such a way to prevent materials and tools from falling through.
  ANY ONE OF THE ABOVE (1)

1.7
1.7.1 Dumpy level ✓ (1)
1.7.2 If the dumpy level is not set up level:

• it will give inaccurate readings. ✓
• wrong levels will be transferred.
• true levels will not be transferred.
  ANY ONE OF THE ABOVE (1)

1.8
1.8.1 A – Plastic plug/Plug/Rawl plug/Fisher plug/Fibre plug ✓ (1)
1.8.2 A screw ✓ (1)
1.8.3 Plastic plugs are used to secure:

• cupboards against a wall. ✓
• mirrors against a wall.
• portraits and similar objects against a wall.
• objects, limited to certain weight, against walls.
  ANY ONE OF THE ABOVE (1)

[20]

QUESTION 2: GRAPHICS AS MEANS OF COMMUNICATION (GENERICS)
ANSWER SHEET 2

ANSWER SHEET 2

NO.	QUESTION	ANSWER	MARKS
1	Identify the elevation in FIGURE A.	West Elevation ✓	1
2	Identify the type of roof that is used on the building in FIGURE A.	Hipped roof ✓	1
3	Identify number 1.	Ridge Capping/Ridge plate/Ridge tile/Hip cap ✓	1
4	Identify number 4	Balcony/Floor slab of balcony/Cantilever/Concrete slab ✓	1
5	Identify number 5	External door/Entrance door/Door/Outside door ✓	1
6	Identify number 7	Gutter ✓	1
7	Identify number 8	Rainwater down pipe/RWDP/Down pipe ✓	1
8	Identify number 12	Wash trough/Wash tub ✓	1
9	Identify number 13	Built-in cupboard/BIC ✓	1
10	Identify number 15	Landing ✓	1
11	Identify the company that printed the building plan.	Dlamini printers ✓	1
12	Name a suitable material that can be used for the manufacturing of number 2.	Fibre cement/Galvanised sheeting/ Timber/Plastic/PVC/Polyvinylchloride✓	1
13	Name the drawing symbol in the column for the notes in FIGURE 2 that must be installed in the kitchen.	Electricity meter/Electrical meter/Watt meter/Prepaid meter✓	1
14	Name the drawing symbol in the column for the notes in FIGURE 2 that indicates the type of bricks for the building	Face brick ✓	1
15	Name a material that should NOT be used to manufacture the frame of number 9 for coastal areas.	Steel/Mild steel/Iron/Ferrous metals ✓	1
16	Name a material that can be used to manufacture the sanitary fitting indicated by number 11.	Stainless steel/Plastic/Ceramic/ Granite/Acrylic/Fibre Glass/Concrete✓	1
17	Who checked the building plan?	P Carter ✓	1
18	How many types of windows are used in FIGURE B?	2 ✓	1
19	What does the abbreviation NGL at number 6 stand for?	Natural ground level ✓	1
20	Give the reference code for this plan.	QP 2-2019✓	1
21	Which room will electrical symbol 16 serve?	Lounge ✓
22	Describe the purpose of number 3.	Prevent people from falling off/through. ✓✓	2
23	Explain what the curved lines between the electrical installations in FIGURE B indicate.	Electrical wiring/Wiring/Electrical cable/Wiring from light switch to light/Shows which switch operates which electrical fitting. ✓✓	2
24	Explain why the light switch is mounted on the outside of the bathroom.	To prevent steam/moisture entering the switch/To prevent electrical shock due to moisture/For safety purposes ✓	1
25	Identify in FIGURE 2 which elevation does NOT have windows.	North elevation ✓	1
26	Identify the thickness of the internal wall in FIGURE 2.	North elevation ✓	1
27	Differentiate between symbols 13 and 15 in terms of their purpose.	110mm	2
28	Justify why FIGURE B is a ground floor plan	13 – Built-in cupboard: to store items. ✓ 15 – Landing: to rest/safety feature/change of direction of stairs ✓	1
29	Predict what will happen if number 10 is NOT installed.	Ground floorplan: does not indicate the roofline ✓ does not indicate the balcony indicate an entrance door to the house indicate a step at the entrance door the position of the windows and door correlate with the positions of the window and door on the west elevation	1
30	Redraw the staircase in FIGURE B in the adjacent column and indicate the direction of the flight with arrows.		2
31	Calculate the total length of the wall on the eastern side of the building. Show ALL calculations.	220 ✓ + 2 600 ✓ + 110 ✓ + 3 400 ✓+ 220 ✓ = 6 550 mm or 6,55 m✓ IF INCORRECT METHOD IS USED TO CALCULATE THE ANSWER USE THE FOLLOWING SLIDING SCALE: 4 MARKS WILL BE AWARDED IF ALL FIVE VALUES ARE CORRECT 3 MARKS FOR FOUR VALUES CORRECT 2 MARKS FOR THREE VALUES CORRECT 1 MARK FOR 2 VALUES CORRECT	6
	TOTAL:		40

QUESTION 3: CASEMENTS, CUPBOARDS, WALL-PANELLING AND QUANTITIES (SPECIFIC)
3.1
3.1.1 16 mm ✓ (1)
3.1.2 Skirting ✓ (1)
3.1.3 7,5 m² ✓ (1)
3.1.4 Mullion  ✓ (1)
3.2
3.2.1

• Transom ✓
• Bottom rail of fanlight/ Bottom rail ✓
• Top rail of casement/ Top rail ✓
• Frame stile/Stile/Casement stile/Fanlight stile
  ANY THREE OF THE ABOVE (3)

3.2.2 Drip groove/Throat/Groove ✓ (1)
3.3
3.3.1

3.3.2

(3)
3.4

(5)
Correctness
3.5

DRAWERS CAN BE THE FULL WIDTH OR PLACED ON THE LEFT SIDE.
TWO SHELVES CAN ALSO BE ON THE LEFT SIDE

(8)
[30]

QUESTION 4: ROOFS, CEILINGS, TOOLS AND EQUIPMENT, AND MATERIALS (SPECIFIC)
4.1
4.1.1

1. Jigsaw ✓
2. Lathe ✓ (2)

4.1.2

• Clean the jigsaw blade after use.✓
• Store in such a way that the blade is protected.✓
• Use blade only for the intended purposes.
• Do not force the jigsaw blade to cut through material.
• Avoid the use of blunt saw blades.
• Keep the power cord away from the blade.
• Always plan your cuts carefully – make pre-cuts if necessary to prevent blade from breaking.
• Use the correct blade for the specific work.
• Check if the blade is tightly/correctly secured and is not bent.
  ANY TWO OF THE ABOVE (2)

4.1.3

Related Items

• Always ensure that the work piece/stock is fastened tightly. ✓
• Ensure that the work piece/stock moves freely. ✓
• Ensure that the tool rest is locked as close as possible to the work piece/stock.
  ANY TWO OF THE ABOVE (2)

4.2

• Store the belt sander in a place where it cannot be damaged by dirt or dust. ✓
• Store in a wooden box away from moisture.
  ANY ONE OF THE ABOVE (1)

4.3

• Strength✓
• Density ✓ (2)

4.4

• Sand the wood surface with different grades of sandpaper ✓
• Sand until the surface is smooth and free from scratches. ✓
• Remove all dust.✓(3)

4.5

• A conventional trapdoor can be removed/consists of a panel that can be pushed up ✓
• Hinged trapdoor opens upwards/downwards by pivoting around the hinges. ✓(2)

4.6 Timber framework ✓
Panel ✓
Cover strip
ANY TWO OF THE ABOVE (2)
4.7 King post: 114 mm x 38 mm ✓
Brandering: 38 mm x 38 mm/38 mm x 50 mm ✓ (2)
4.8 Hurricane clips:

• Securing purlins to rafters (roof truss) ✓
• Securing trusses to wall plates
• Ideally used at eaves overhangs
• Where truss cross each other or where truss members cross each other or meet at 90°
• To fix opposite faces of roof members.
  ANY ONE OF THE ABOVE
• Storm clips: Securing roof tiles to the battens.✓ (2)

4.9

DRAWING NOT TO SCALE
A MASK MUST BE USED TO MARK THIS QUESTION

QUESTION 5: CENTRING, FORMWORK, SHORING AND GRAPHICS AS MEANS OF COMMUNICATION (SPECIFIC)
5.1
5.1.1 Open laggings ✓ (1)
5.1.2 Closed laggings ✓ (1)
5.2

(6)
5.3 Steel/Metal/Hard board/Plywood/Fibre glass/Plastic ✓ (1)
5.4 Releasing oil/Shuttering oil/Plastic ✓ (1)
5.5

IF CANDIDATE DREW THE FULL DRAWING, MARK ONLY THE LEFT HAND SIDE.
IF CANDIDATE DREW RIGHT SIDE ONLY, A MAXIMUM OF SEVEN MARKS WILL BE AWARDED.

(8)
5.6

1.  - Needle/Cleat ✓
2.  - Straining sill ✓
3.  - Inclined strut/Raking strut/Strut ✓
4.  - Horizontal shore/Shore ✓
5.  - Folding wedge ✓
6.  - Wall ✓(6)

5.7

IF THE EXPLODED VIEW IS DRAWN A MAXIMUM OF 5 MARKS WILL BE AWARDED.

QUESTION 6: SUSPENDED FLOORS, STAIRCASES, IRONMONGERY, DOORS AND JOINING (SPECIFIC)
6.1
6.1.1 D ✓ (1)
6.1.2 D ✓ (1)
6.1.3 A ✓ (1)
6.1.4 A ✓ (1)
6.1.5 B ✓ (1)
6.2.1 Double bare face mortise and tenon joint ✓ (1)
6.2.2 Framed ledge braced batten door. ✓ (1)
6.3

6.4

(6)
6.5

• On a cupboard door ✓
• On a drawer ✓ (2)

6.6 Night latch ✓ (NO BRAND NAMES ACCEPTED) (1)
6.7

6.8

(12)

[40]
TOTAL: 200