# Civil Technology Grade 12 Eastern Cape Mock 2016 QP (Eng)

> Grade 12 Civil Technology question paper from the Eastern Cape Mock Exam 2016 (English), 19 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/civ-teg-gr12-sept2016-qp-eng/b1839d34-14e4-4a9a-b889-5c78061fb237
- Updated: 2026-09-27
- Subject: Civil Technology
- Grade: Grade 12
- Document type: Question paper
- Year: 2016
- Exam period: Eastern Cape Mock Exam
- Curriculum: CAPS
- Pages: 19

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## About this document

Civil Technology · Grade 12 · Eastern Cape Mock Exam · 2016. Question paper, 19 pages. Read online or download the PDF.

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## Document text

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### Page 1

NATIONAL
                         SENIOR CERTIFICATE

                                 GRADE 12

                          SEPTEMBER 2016

                        CIVIL TECHNOLOGY

MARKS:    200

TIME:     3 hours

         This question paper consists of 16 pages, including 2 answer sheets
                                and a formula sheet.

### Page 2

2                                 CIVIL TECHNOLOGY                        (EC/SEPTEMBER 2016)

 REQUIREMENTS:

 1.   ANSWER BOOK

 2.   Drawing instruments

 3.   A non-programmable calculator

 INSTRUCTIONS AND INFORMATION

 1.    This question paper consists of SIX questions.

 2.    ALL questions are COMPULSORY.

 3.    Answer each question as a whole. Do NOT separate sub-questions.

 4.    Start EACH question on a NEW page.

 5.    Sketches may be used to illustrate your answers.

 6.    ALL calculations and written answers must be done in the ANSWER
       BOOK.

 7.    Use the mark allocation as a guide for the length of your answer.

 8.    Drawings and sketches must be fully-dimensioned and neatly finished off
       with titles and labels to conform to SANS (SABS) Recommended Practice
       for Building Drawings.

 9.    For the purpose of this examination, the size of a brick should be taken
       as 220 mm x 110 mm x 75 mm.

 9.    Use your discretion where dimensions and/or details have been omitted.

 10. Answer QUESTION 5.2 and QUESTION 6.1 on the ANSWER SHEETS
     that is provided.

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### Page 3

(EC/SEPTEMBER 2016)                 CIVIL TECHNOLOGY                                         3

 QUESTION 1: CONSTRUCTION PROCESSES

 1.1      FIGURE 1.1 shows a shoring that must support the ground in an
          excavation. Answer the following questions with regard to the shoring in
          FIGURE 1.1.

                                                                        1.1.A

                                                                         1.1.B

                                                                1.1.C

                                           FIGURE 1.1

          1.1.1      What is this type of shoring called?                                  (1)

          1.1.2      Name the parts 1.1.A to 1.1.C.                                        (3)

 1.2      Name the following tools and name ONE use of each:

          1.2.1

                                                                                           (2)

          1.2.2

                                                                                           (2)
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### Page 4

4                                     CIVIL TECHNOLOGY                       (EC/SEPTEMBER 2016)

          1.2.3

                                                                                           (2)

          1.2.4

                                                                                           (2)

          1.2.5

                                                                                           (2)

 1.3      Briefly motivate why the blade of the portable power saw must come to a
          standstill, before it is put down.                                               (2)

 1.4      FIGURE 1.4 shows the brickwork for an outer wall. Answer the following
          questions with regard to the brickwork in FIGURE 1.4.

                                            FIGURE 1.4

          1.4.1      What is this type of wall construction called?                        (1)

          1.4.2      Name THREE advantages of this type of wall construction.
                                                                             (3 x 1)       (3)

          1.4.3      Briefly motivate why each third vertical mortar joint above the
                     damp-proof layer must be left open.                                   (2)

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### Page 5

(EC/SEPTEMBER 2016)                 CIVIL TECHNOLOGY                                        5

 1.5      FIGURE 1.5 shows the uncompleted fixing of a roof truss on a wall.
          Answer the following questions with regard to the construction in
          FIGURE 1.5.

                       1.5.A                                         1.5.B

                                                             1.5.C

                                           FIGURE 1.5

          1.5.1      Name the parts 1.5.A to 1.5.C.                                    (3)

          1.5.2      Briefly describe the purpose of part 1.5.C.                       (2)

          1.5.4      Identify the wrong installing process of the roof truss in
                     FIGURE 1.5 and describe how the correct installing should be
                     done.
                     Sketches can be used to illustrate the correct installing.        (3)
                                                                                      [30]

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### Page 6

6                                  CIVIL TECHNOLOGY                       (EC/SEPTEMBER 2016)

QUESTION 2: ADVANCED CONSTRUCTION PROCESSES

2.1    Briefly describe the purpose of a lintel.                                           (2)

2.2    Name the THREE main components used in the manufacturing of glass.
                                                                      (3 x 1) (3)

2.3    Make a neat sketch to illustrate the construction of a pile foundation.             (3)

2.4    Briefly motivate why foundations must be cast below the ground surface.             (2)

2.5    Name FOUR factors that will have an influence in the choice of the correct
       type of foundation.                                                 (4 x 1)         (4)

2.6    Briefly describe the purpose of the wearing course under a concrete floor.          (3)

2.7    2.7.1    Describe THREE requirements with which steel reinforcement for
                concrete must comply.                                   (3 x 1)            (3)

       2.7.2    Name THREE types of safety wear you would buy for workers
                working with steel reinforcements.                      (3 x 1)            (3)

2.8    Indicate whether the following statements with regard to formwork
       construction are TRUE or FALSE. Write only the word ‘true’ or ‘false’ next
       to the number in the ANSWER BOOK.

       2.8.1    The moisture content of the boards must be at least 30%.                   (1)

       2.8.2    Joints must be left open to allow shrinking and expansion of the
                boards.                                                                    (1)

       2.8.3    G-clamps are used to keep together the formwork boards for large
                construction.                                                              (1)

       2.8.4    The purpose of the yoke is to seal the formwork.                           (1)

       2.8.5    Laminated formwork boards give a better finish to concrete.                (1)

       2.8.6    Mould oil is applied to the formwork boards to prevent the concrete
                from binding with the formwork.                                            (1)

       2.8.7    Old and new formwork material must not be used together.                   (1)

       2.8.8    The spacing of the clamps and yokes is also determined by the
                type of concrete mix.                                                      (1)

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### Page 7

(EC/SEPTEMBER 2016)                  CIVIL TECHNOLOGY                                             7

2.9      Answer the following questions with regard to the arch construction in
         FIGURE 2.9.

                                            FIGURE 2.9

         2.9.1       What is this type of arch called?                                      (1)

         2.9.2       Briefly motivate why the middle of the arch is made slightly higher.   (2)

         2.9.3       Name parts 2.9.A and 2.9.B.                                            (2)

2.10     Briefly describe the purpose of the gusset plates in steel frame structures.       (2)

2.11     What are the standard depths of the following kitchen cupboard parts?

         2.11.1 Wall unit                                                                   (1)

         2.11.2 Floor unit                                                                   (1)
                                                                                            [40]

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### Page 8

8                                     CIVIL TECHNOLOGY                     (EC/SEPTEMBER 2016)

 QUESTION 3: CIVIL SERVICES

 3.1      FIGURE 3.1 shows the municipal water supply to a site. Answer the
          following questions with regard to the system.

                     STREET                       3.1.A
                                                                SITE BOUNDARY

                                       3.1.B                   3.1.C

                                                                        3.1.E
                         3.1.D

                                           FIGURE 3.1

          3.1.1      What is the structure 3.1.A called?                                   (1)

          3.1.2      Name parts 3.1.B to 3.1.E.                                            (4)

          3.1.3      What is the section size of part 3.1.E?                               (1)

          3.1.4      Who is responsible for the system from point 3.1.D to 3.1.A?          (1)

 3.2      Briefly motivate why a drip tray must be installed underneath a geyser.          (2)

 3.3      Briefly motivate why the sun collectors in the southern hemisphere must
          be installed at true north.                                                      (2)

 3.4      Answer the following questions with regard to the valve in FIGURE 3.4.

                                           FIGURE 3.4

          3.4.1      What is the valve in FIGURE 3.4 called?                               (1)

          3.4.2      Name TWO positions in a house water supply system where this
                     valve must be installed.                             (2 x 1)          (2)

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### Page 9

(EC/SEPTEMBER 2016)                CIVIL TECHNOLOGY                                           9

 3.5      Identify the correct answer in each of the following descriptions of a
          septic tank. Write only the correct answer next to the question number
          in the ANSWER BOOK.

          3.5.1      It is an impermeable UNDERGROUND / ABOVE-GROUND
                     structure.                                                          (1)

          3.5.2      It consist of TWO / FOUR rooms.                                     (1)

          3.5.3      The heavier parts of the inflow water FLOAT / SETTLE DOWN.          (1)

          3.5.4      The organic matter is decomposed by the action of CHEMICAL
                     PROCESSES / ANAEROBIC BACTERIA action.                              (1)

 3.6      What is the purpose of the ball test for drains?                               (1)

 3.7      What is the minimum depth of drains underneath ground surface?                 (1)

 3.8      Name THREE positions in a drain system where access openings must
          be installed.                                         (3 x 1)                  (3)

 3.9      Make a neat sketch to illustrate a P-type drain trap. Also indicate the
          water level inside the trap.                                                   (4)

 3.10     Which tool is used to clear blocked drains?                                    (1)

 3.11     Name TWO advantages of wind turbines for supplying electricity.
                                                                               (2 x 1)    (2)
                                                                                         [30]

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### Page 10

10                                 CIVIL TECHNOLOGY                        (EC/SEPTEMBER 2016)

 QUESTION 4: MATERIALS AND QUANTITIES

 4.1    Name THREE properties of coal tar creosote for wood preservation.
                                                                         (3 x 1)         (3)

 4.2    Wood must be seasoned to decrease the moisture content of it.
        Answer the following questions with regard to the seasoning method
        illustrated in FIGURE 4.2.

                                        FIGURE 4.2

        4.2.1    What is this seasoning method called?                                   (1)

        4.2.2    Briefly motivate why the bottom timber must be approximately
                 600 mm above ground.                                                    (2)

        4.2.3    Name TWO requirements of the foundation for this seasoning
                 method.                                                                 (2)

 4.3    Name FOUR advantages of using PVC as drain pipes.                   (4 x 1)      (4)

 4.4    Briefly describe what plywood is.                                                (3)

 4.5    Indicate whether the following statements with regard to materials are
        TRUE or FALSE. Write only ‘true’ or ‘false’ next to the number in the
        ANSWER BOOK.

        4.5.1    Fibre board is used in the manufacturing of table tops.                 (1)

        4.5.2    The cube test is used to test the compressive stress of wood.           (1)

        4.5.3    A cornice is installed between the ceiling and the wall.                (1)

        4.5.4    The compacting of concrete is done 28 days after it has been
                 cast.                                                                   (1)

        4.5.5    Aluminium is a light metal.                                             (1)

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### Page 11

(EC/SEPTEMBER 2016)              CIVIL TECHNOLOGY                                       11

 4.6    FIGURE 4.6 shows the foundation strips for a building. The foundations
        are 700 mm wide and 200 mm thick and a concrete mix of 1 : 3 : 4 is
        used. The centre line measurement of the building is 31,6 m and the total
        volume concrete needed for the foundation is 4,424 m³.
        Determine the following quantities for the concrete mix:

                                             10 000

                     7 000

                                       FIGURE 4.6

        4.6.1    Calculate the volume of sand needed                                  (3)

        4.6.2    Calculate the volume of stone needed                                 (3)

        4.6.3    Calculate the number of bags of cement needed, if the content of
                 a bag of cement is 0,033 m³                                          (4)
                                                                                     [30]

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### Page 12

12                                     CIVIL TECHNOLOGY                       (EC/SEPTEMBER 2016)

 QUESTION 5: APPLIED MECHANICS

 5.1    Calculate the centroid of the body in FIGURE 5.1 from point P.

                                          Y-axis

                                                                     6

                                                                     2
                                                                            X-axis
                                                   P 1     3

                                                                                             (4)
                                           FIGURE 5.1

 5.2    FIGURE 5.2, on ANSWER SHEET A, shows the space diagram for a roof
        truss. Determine graphically, on ANSWER SHEET A by drawing the
        force diagram and completing the table, the size and nature of the forces
        in the parts of the truss.                                                          (18)

                                           FIGURE 5.2

 5.3    FIGURE 5.3 shows a beam with point loads. Calculate the reaction
        forces of the supports A and B.

                     10 N        40 N                    20 N        30 N

                            2m              4m                  2m
                                  A                                   B
                                           FIGURE 5.3                                       (8)
                                                                                           [30]

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### Page 13

(EC/SEPTEMBER 2016)                 CIVIL TECHNOLOGY                                        13

 QUESTION 6: GRAPHICS AND COMMUNICATION

 6.1    FIGURE 6.1 on ANSWER SHEET B shows the outer lines of a structure
        which must be built on a site. Draw the site plan on scale 1 : 200 on
        ANSWER SHEET B so that the structure is in the middle of the site. The
        site plan must comply with the following requirements:

        6.1.1        Site size is 20 m wide from east to west and 30 m long from
                     south to north                                                        (2)

        6.1.2        Pavement of 2 m and the street of 6 m on the south side               (4)

        6.1.3        Building boundaries are 2 m on the east, north and west sides
                     and 4 m on the south side                                             (4)

        6.1.4        3 m wide entrance to the site                                         (2)

        6.1.5        Datum level in the north-west corner of the site                      (2)

        Also draw the roof plan on the structure and indicate the following:

        6.1.6        Overhang of 400 mm                                                    (2)

        6.1.7        Hipped end at the north end                                           (2)

        6.1.8        American cable-end at the south end                                   (3)

        6.1.9        Ridge                                                                 (1)

        Indicate the following measurements:

        6.1.10       Length and width of the site                                          (4)

        6.1.11       South and west building boundaries                                    (2)

 6.2    Make neat sketches to illustrate the following symbols on a floor plan:

        6.2.1        Water meter                                                           (2)

        6.2.2        Vent pipe                                                             (2)

        6.2.3        Bath                                                                  (2)

        6.2.4        Water closet                                                          (2)

        6.2.5        Sink                                                                  (2)

        6.2.6        Power point                                                           (2)
                                                                                          [40]

                                                                               TOTAL:     200

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### Page 15

14                                CIVIL TECHNOLOGY           (EC/SEPTEMBER 2016)

 ANTWOORDBLAD                SIVIELE TEGNOLOGIE        NAAM:

  ANSWER SHEET
                        A       CIVIL TECHNOLOGY       NAME:

 QUESTION / VRAAG. 5.2                                                        (18)

                            80 N

              60 N B                C   60 N

                        G       H
A                                                      D
        30º     F     30º                I

100 N
                            E                    100 N

 SPACE DIAGRAM:
 RUIMTEDIAGRAM:

 SCALE / SKAAL: 2 mm = 1 N

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### Page 17

(EC/SEPTEMBER 2016)          CIVIL TECHNOLOGY                        15

ANTWOORDBLAD               SIVIELE TEGNOLOGIE    NAAM:

 ANSWER SHEET
                       B   CIVIL TECHNOLOGY      NAME:

QUESTION / VRAAG 6.1                                                 (28)

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### Page 19

16                                          CIVIL TECHNOLOGY                                    (EC/SEPTEMBER 2016)

FORMULA SHEET

IMPORTANT ABBREVIATIONS

SYMBOL        DESCRIPTION          SYMBOL        DESCRIPTION               SYMBOL         DESCRIPTION
      G       Centre of gravity          h       Height                            d      Diameter
      C       Centroid                   b       Breadth/Width                     r      Radius
      L       Length                     s       Side                              A      Area
              Pi = = 3,142                       Diameter                          V      Volume

FORMULAE

AREA OF              FORMULA                  FORMULA                FORMULA FOR THE POSITION
                     (in words)               (in symbols)                 OF CENTROIDS
                                                                       X-axis        Y-axis
Square               Length x Breadth                  lxb               b             b

Rectangle            Length x Breadth                  lxb                     l                  b

Right-angled         ½ x base x height             ½b x h                      b                  h
triangle
Equilateral          ½ x base x height                                         b                  h
triangle/Pyramid                                   ½b x h
Circle
                         x radius x radius              r
Circle
                        x diameter x                                          Centroid is in the centre
                     diameter divided by
                     4
Semi-circle                                                              Centroid is 0,424r on the centre
                         x radius r x
                     radius divided by 2                                                line

                                                            xd           xd
                              Position of centroid =
                                                             otal area

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