Civil Technology Memo 1 (English)

November 2016 — Grade 12 / Matric — Civil Technology

Memo 2016 Grade 12 English

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🎯 200 marks 📄 18 pages 📝 82 items found 📚 2 topics

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Q1— Section header —

1.1.1The worker should have ensured that: the grinder and grind ing blade /disc ere inspect

1.1.2Hard hat /safety helmet Safety goggles /goggles Overall Safety gloves /gloves ANY TWO OF THE ABOVE (2\

1.1.3The machine makes a loud noise that will damage your hearing It is the r ule or regulation on a building site to protect the hearin g of workers. ANY OF THE ABOVE

1.1.4ust mask face shield ear protection/ear plugs/ear muffs safety shoes ANY ONE OF THE ABOVE (1\

1.2.1Water Patent sealer Wet sand Hessian Canvas or protective covering Plastic sheeting Straw Waterp roof paper

1.2.2to 28 days (1\

1.3Single line for roof covering is acceptable. Wall plate in good proportion acceptable. ASSESSMENT CRITERIA MARK CANDIDATE MARK Roof covering correctly drawn

1.4More battens are used More roof trusses are used to carry weight o f tiles Clay/concrete tile more expensive than corrugated iron sheeting More labour intensive Needs roof underlay ANY TWO OF THE ABOVE

1.5Tiles /cladding aint ANY ONE OF THE ABOVE (1\

1.6Tiles last long er/ easy to clean water resistan aint does not last as long as tiles, asy to clean. Tiles/paint gives attractive /decorative appearance

1.7.1Channel iron U beam (1\

1.7.2Exposed steel prone to rust if not treated. (1\

1.7.3aint the metal Can be galvanised. Powder coating/ epoxy coating. Can be covered with oil. ANY ONE OF THE ABOVE (1\

1.7.4Channel iron used for bracing or as joists. Frame of steel structures/struts/roof structures OR ANY OT HER ACCEBTABLE ANSWER (1\

1.8.1Three q uarter bat/brick 165 mm x 110 mm. ANY ONE OF THE ABOVE (1\

1.8.2ASSESSMENT CRITERIA MARK CANDIDATE'S MARK Stretcher course Header course Correctness of T junction TOTAL

1.9Cement fibre ceiling boards Match board ceiling boards Steel ceilings Gypsum boards Knotty pine ceilings PVC/plastic/polystyrene ceilings ANY ONE

1.10To allow excess water or damp to escape keeping the inner wall dry Ventilation ANY ONE OF THE ABOVE (1\

Q2— Section header —

2.1.1(1\

2.1.2(1\

2.1.3(1\

2.1.4(1\

2.1.5(1\

2.1.6(1\

2.1.7(1\

2.1.8(1\

2.1.9(1\

2.1.10(1\

2.2.1Chalk line USE To draw a straight line on a surface, by snapping the line. Lay out walls on foundation. Some types can be used as a plumb b obs. Draw long lines on floors. ANY TWO

2.2.2Try square USE Marking lines perpendicular to surfaces of materials. Testing squareness, straightness. Calibrated blade can be used for measuring. As a straig ht edge to test whether small surfaces are

2.2.3

2.2.4Sliding bevel USE The blade is adjustable for setting out and testing of any angles. Draw inclined or oblique lines as well as for the testing angles. Copying angles from one surface to another.

2.3.3.1 The tensile strength of the concrete is compromised. Weakens the structure/ structure will break easily/ collapse. Will not be able to resist heavy loads. ANY TWO OF THE ABOVE (2\

2.3.2To strengthen the concrete w ere it is the weakest against tensile strength. (1\

2.3.3Stirrups strengthen concrete against she r forces Shear forces are the greatest next to the support, Stirrups resist shear stress.

2.4.1Slump test (1\

2.4.2This test is used to test the w orkability of concrete / consistency of the concrete (1\

2.4.3For every new /fresh batch of concrete that i s mixed (1\

2.5Cavity wall are to prevent the penetration of water into the wall as they have better water proofing qualities. Cavity walls help to protect the inner wall of a

2.6.1Compression force /pushing forces Tensile force /bending forces Lateral force (3\

2.7.1ound/circular /cylindrical column formwork (1\

2.7.2Hardboard plywood /pvc/galvanised /met al sheets (1\

2.7.3Bolt and nut threaded rods with nuts /clamp (1\

2.7.4Apply form oil emulsion oil/re leasing agents to formwork (1\ A rib and block floor is very quick to install quicker than in situ concrete floor

Q3— Section header —

3.240/50 mm (1\

3.3Ventilation pipe /breather pipe/gas escape pipe (1\ Inlet pipe Inflow pipe Influent (1\ Set tling

3.3.3G allows the liquids to flow from chamber C to chamber D. Will also balance the liquid levels. ANY ONE OF THE ABOVE (1\

3.3.4The liquids in D will flow out through F to a renc drain. (1\

3.3.5The level of the liquids will be the same. (1\ The water coming from the bath or sink contains soap (chemicals\ that is poisonous to the bacteria will

3.6Pressure control valves (pressure reducing valves\ are used to ensure that a constant pressure

3.9Gravity geyser /Low pressure geyser (1\

3.10lack Absorb the most heat (2\ 11

3.1A: Wall light B: Power point /Socket outlet Switch cket outlet Plug ASSESSMENT CRITERIA MARK CANDIDATE'S MARK

Q4— Section header —

4.1.1Door stile (1\

4.1.2mm/50 (1\

4.1.3(1\

1.4(1\

4.1.5/693 (1\

4.1.61 907 /1 907 OR 1 904 mm/1 904 (1\

4.1.7/20 (1\

4.2.1(1\

4.2.2(1\

4.2.3(1\

4.2.4(1\

4.2.5(1\

4.2.6(1\

4.2.7(1\ 13

Q5— Section header —

5.1.1

5.1.2

5.1.3

5.1.4

5.1.530 mm (1\

5.1.695 mm (2\

5.1.740 mm (1\ When the wrong unit were used the learner will be penalised with ONE mark. 15

5.2

5.3.2Calculated from the left: 28 x 6\ (10 x 4\ (20 x 1\ 168 40 20 108 N Calculated from the right:

5.3.1SPACE DIAGRAM SHEAR FORCE DIAGR USE A MASK TO MARK THIS QUESTION 10 N/m 17

Topics Identified

MaterialsConstruction

Mark Allocation

Total200 marks

Sections30 + 40 + 30 + 30 + 30 = 160 marks

Paper information

SubjectCivil Technology

Year2016

SessionNovember

TypeMemo

PaperPaper 1

LanguageEnglish

Pages18

Downloads4

Examination context

Decade2010s

Years ago10y

SeasonSpring (SH)

Start daySaturday

Exam periodNovember 2016

Days since exam3,640

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