# Civil Technology Grade 12 NSC June 2023 Memo (English)

> Grade 12 Civil Technology memorandum from the NSC June Exam 2023 (English), 19 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/grade-12-civil-technology-2023-nsc-june-exam-memorandum-english/7484d9cb-7de8-4112-85bd-6d7e364bf605
- Updated: 2026-09-28
- Subject: Civil Technology
- Grade: Grade 12
- Language: English
- Document type: Memorandum
- Year: 2023
- Exam period: NSC June Exam
- Curriculum: CAPS
- Pages: 19

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## About this document

Civil Technology · Grade 12 · NSC June Exam · 2023 · English. Memorandum, 19 pages. Read online or download the PDF.

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### Page 1

GRAAD 12

                     SENIOR CERTIFICATE EXAMINATIONS/
                NATIONAL SENIOR CERTIFICATE EXAMINATIONS

                      CIVIL TECHNOLOGY: CIVIL SERVICES

                                         2023

                              MARKING GUIDELINES

                                                                     MARKS: 200

                     These marking guidelines consist of 19 pages.

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Civil Technology: Civil Services                2                                      DBE/2023
                                    SC/NSC – Marking Guidelines

INSTRUCTIONS FOR THE MARKERS

1.       Markers should:
          Familiarise themselves with the question and answer before evaluating
            responses from candidates.
              Always interpret the responses of the candidates within the context of the
               question.
              Consider any relevant and acceptable answer during pre-marking but
               should strictly adhere to the answers after finalisation of the marking
               guideline.
              There are TWO approaches to answering questions; these are (1) to
               explain and (2) to describe.
               1. If a candidate is required to explain a process in a specific number of
                  steps, only the first required number of responses should be considered.
               2. However, if for example a candidate is required to explain or describe a
                  process, we need to consider that candidates may write a long
                  description, not necessarily well organised. In this case the marker needs
                  to evaluate the complete statement to judge if the candidate explained
                  the required outcome satisfactorily and allocate marks on merit.

              Mark what the candidate wrote and do not interpret or predict responses.
              Indicate the tick or cross right at the position where the mark needs to be
               awarded or where the candidate made the error.
              Accept the letter corresponding with the correct answer as well as the
               answer written in full in multiple-choice or similar questions.
              Accept incorrect spelling in answers unless the spelling changes the
               meaning of the answer.
              If a learner writes two or more answers separated by a slash (/) mark only
               the first response, unless the additional answer/s are different names for the
               same item e.g., Yale lock/Night latch. In this case, the answer for the
               response should be awarded and the slash (/) should NOT be considered
               as an additional answer.

2.       For calculations:

              A mark is only awarded if the correct unit is written next to the answer. If the
               question states that the answer must be in a specific unit, a mark will ONLY
               be awarded if the answer has the correct unit as indicated in the question.
              Marks will only be allocated for the correct values if the candidates add are
               instead of multiply. NO marks will be awarded for the calculations and the
               answer.

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Civil Technology: Civil Services               3                                     DBE/2023
                                   SC/NSC – Marking Guidelines

              Where an incorrect answer is correctly carried over, the marker must
               recalculate the values, using the incorrect answer from the first calculation.
               If correctly used, the candidate should receive the full marks for subsequent
               calculations.
              Alternative methods of calculations must be considered, provided that the
               correct answer is obtained.
              For the calculation of quantities marks will be awarded for the correct use of
               the dimension paper.

3.       When marking drawings:

              The member for which the mark should be awarded must be drawn
               correctly in the correct position to receive a mark.
              A member incorrectly drawn but wrongfully repeated in another position will
               be awarded the mark for the repeated incorrect member provided that the
               marking guideline provide for TWO or more marks for that member (positive
               marking).
              Marks can only be awarded for a label if the label is correctly indicating the
               correct member that was drawn. Do not consider labels for members that
               were provided with labels on the answer sheet.
              Scale drawings should always be marked using an appropriate mask.
              If the incorrect/wrong drawing was drawn, the candidate can be awarded for
               only what was provided for on the marking guideline.
              If a two-dimensional drawing is required and a line
               diagram/pictorial/isometric drawing is drawn, members will be marked
               according to the assessment criteria and no marks will be awarded for the
               correctness of the drawing.
              If candidates draw/give more information than what is required, mark strictly
               according to the assessment criteria.
              The marks for the correctness of the drawing will only be awarded if the
               entire drawing with all members/parts is correctly drawn.

4.       Incorrect numbering of questions:

              If a candidate numbered an answer incorrectly, but the answer is in the
               correct position according to the sequence of the questions in the question
               paper, circle the incorrect numbering and mark the response.
              If questions were answered randomly not following the same sequence as
               in the question paper and the learner numbered incorrectly, the response
               should NOT be marked.

5.       Duplication of responses and questions answered in the incorrect place:

              If a question is answered twice, mark the first response.
              If a question should be answered on an answer sheet and the candidate
               answered it on both the answer sheet and in the answer book, mark the
               response on the answer sheet and cancel the response in the answer book.
              If the question was answered in the answer book instead of on the answer
               sheet, mark the response in the answer book according to the assessment
               criteria on the marking guideline.

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Civil Technology: Civil Services                4                                    DBE/2023
                                    SC/NSC – Marking Guidelines

QUESTION 1:          OHSA, MATERIALS,          TOOLS,      EQUIPMENT     AND       JOINING
                     (GENERIC)

1.1        1.1.1        Safety features omitted from the scaffold are:
                          Baseplate 
                          Soleplate 
                          Kickboard/Toe-board 
                          Guardrails
                        ANY THREE OF THE ABOVE                                                    (3)

           1.1.2        Platform used as displayed:
                          Vertical standards will sink into the ground 
                          Can cause the scaffold/platform to tilt over 
                          Can cause injuries to workers
                          Tools may fall from the scaffold on the workers below
                          Workers can fall from the scaffold
                        ANY TWO OF THE ABOVE                                                      (2)

1.2        1.2.1        Rust                                                                     (1)

           1.2.2        Zinc                                                                     (1)

           1.2.3        Keeping it moist                                                         (1)

           1.2.4        Metal                                                                    (1)

           1.2.5        Plastic                                                                  (1)

1.3        Height of guardrails (900 – 1 000 mm):
             To keep workers safe on the platform 
             To prevent workers from falling over the guard rails
           ANY ONE OF THE ABOVE                                                                   (1)

1.4        Precautions when storing a ladder:
             Store a ladder in a dry place after use 
             Never store material and equipment on a ladder
             Hang the ladder vertically/horizontally on wall brackets
             The ladder should be stored within easy reach
           ANY ONE OF THE ABOVE
                                                                                                  (1)

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Civil Technology: Civil Services                5                                  DBE/2023
                                    SC/NSC – Marking Guidelines

1.5        The operator must check if:
            The builders hoist is not overloaded 
            The gates are shut when the device is being used
            Overhead protection is provided
            Material is stacked firmly and correctly
            Emergency brakes are installed/operational
            Safety measures are displayed inside the cage
           ANY ONE OF THE ABOVE                                                                  (1)

1.6        Any person/Fire fighters will be able to identify exactly what specific type of
           fire extinguisher to use in case of a fire.                                          (1)

1.7        A – Hexagonal nut 
           B – Square nut/Four sided nut 
           C – Wing nut/Butterfly nut 
           D – Domed top/Domed nut/Dome nut/Acorn nut/Cap nut                                   (4)

1.8        1.8.1        Tool that can be used:
                         Laser level 
                         Spirit level with straight edge
                         Transparent pipe level
                         Dumpy level
                        ANY ONE OF THE ABOVE                                                     (1)

           1.8.2        Tool that can be used:
                         Dumpy level 
                         Laser level
                        ANY ONE OF THE ABOVE                                                     (1)
                                                                                                 [20]

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Civil Technology: Civil Services               6                                   DBE/2023
                                   SC/NSC – Marking Guidelines

QUESTION 2: GRAPHICS AS MEANS OF COMMUNICATION (GENERIC)

ANSWER SHEET 2.

NO.                    QUESTIONS                                 ANSWERS                    MARK
                                                  First floor: A/FIGURE A 
                                                   Garage in FIGURE B 
                                                   No arrows indicated in the staircase
                                                      in FIGURE A
        Name the FIGURE that represents
                                                   No ramp in FIGURE A
  1     the first floor. Give ONE reason for                                                    2
        your answer.                               Balcony in FIGURE A
                                                   Staircase
                                                  ANY ONE OF THE ABOVE ANSWER
                                                  AND REASON OR ANY OTHER
                                                  ACCEPTABLE ANSWER
  2     Deduce from the building plan the         10                                           1
        number of windows in the building.

  3     Identify number 1.                        Balcony                                      1

  4     Identify number 2.                        Shower                                       1

  5     Identify number 6.                        One way switch – double pole                 1

  6     Identify number 8.                        Ramp                                         1

  7     Identify number 9.                        Wall mounted light                           1

  8     Identify number 10.                       Wash tub                                     1

        Identify the number that indicates the
  9                                               7                                            1
        garage door.

        Deduce from the building plan the
 10                                               110 mm/110                                   1
        omitted dimension of number 11.

        Deduce from the building plan the
 11     material that must be used for            Concrete                                     1
        number 5.

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Civil Technology: Civil Services               7                                      DBE/2023
                                   SC/NSC – Marking Guidelines

        Give the abbreviations for the
        following:                                Number 3: WC 
 12                                                                                                 2
             Number 3                            Number 4: WB/WHB 
             Number 4
                                                  Two-way switch:
        Describe the purpose of a two-way          Used to switch the same light on or
 13                                                                                                 2
        switch.                                     off 
                                                   From TWO different positions 
                                                  Tiles/Novilon/Concrete/Vinyl/
        Recommend an appropriate floor            Painted floors/Laminated timber
 14                                                                                                 1
        covering for the kitchen.                 flooring/Timber floors 
                                                  ANY ONE OF THE ABOVE

        Who was responsible for the
 15                                               P Kriel                                          1
        checking of the drawing?

                                                  No switch/electrical
        Deduce ONE fault in the bathroom in       connection/wiring/light/door/door
 16                                                                                                 1
        FIGURE A.                                 opening/bath/bidet 
                                                  ANY ONE OF THE ABOVE
                                                  Rechargeable bulb/Candle/Paraffin
        Name an alternative light source that
                                                  lamp/Gas lamp/Battery powered
 17     can be used during load shedding for                                                        1
                                                  lights/Torch/Solar/Cell phone 
        a dwelling.
                                                  ANY ONE OF THE ABOVE
        State what was done during revision
                                                  Revision 1: Drawing of Staircase 
 18     1 and revision 2 of the house plan.                                                         2
                                                  Revision 2: Drawing of light fittings 

        Name the finish for the ramp as
 19                                               Paving                                           1
        prescribed by the architect.

        Draw the symbol for a damp-proof
 20                                                                                               2
        membrane.

 21     Draw the symbol for finished wood.                                                          2
                                                                             

 22     Draw the symbol for hardcore filling.                                                     2

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Civil Technology: Civil Services               8                                       DBE/2023
                                   SC/NSC – Marking Guidelines

                                                  Total horizontal dimensions
                                                   Control test top   Control test bottom
                                                   220               220 
                                                   4 110             4 820 
                                                   3 510             3 020 
                                                   220 
                                                   = 8 060            = 8 060 

        Prove, by means of a control test,                            OR
        that the total horizontal dimensions      Top:
 23                                                                                                  8
        on the top and bottom of the plan in
                                                  220 + 4 110 + 3 510 + 220 mm
        FIGURE A are the same.
                                                  = 8 060 mm
                                                  Bottom:
                                                  220 + 4 820 + 3 020
                                                  = 8 060 mm
                                                  Note: If the alternative method is
                                                         used, one mark should be
                                                         allocated if both totals are
                                                         the same.

        Calculate the area of the floor plan in   = 8,06  m x 6,05  m
        FIGURE B. Show ALL the                    = 48,76 m²
 24     calculations. Give your answer in m².                                                        3
        Round your answers to TWO decimal         OR
        places.                                   = 8 060 mm x 6 050 mm
                                                  = 48,76 m²
                                                                                     TOTAL:          40

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Civil Technology: Civil Services                     9                                     DBE/2023
                                         SC/NSC – Marking Guidelines

QUESTION 3: CONSTRUCTION ASSOCIATED WITH CIVIL SERVICES, OHSA
            AND QUANTITIES (SPECIFIC)

3.1        100 mm 
                                                                                                        (1)

3.2        The lid of the concrete ring manhole should be set in frames  with greased
           double seals to make it airtight.                                                           (2)

3.3        215 mm                                                                                      (1)

3.4

                                                                      VERTICAL SHEETING/
                                                  WALING              SUPPORT

                                                               FOLDING
                                                               WEDGE
                                              4

                                                  2
                                                           5                2
                                                                  3

                                                       6

                                                               STRUT

           CORRECTNESS OF SHORING:                    1

                                   NO.   ASSESSMENT CRITERIA                MARK
                                    1    Correctness of shoring                 1
                                    2    Vertical sheeting/support              2
                                    3    Strut                                  1
                                    4    Ground level                           1
                                    5    Folding wedges                         1
                                    6    Waling                                 1
                                                          TOTAL:                7                       (7)

3.5        Tools and accessories:
            Spirit level  with a gradient template/incidence board 
            Spirit level (600 mm) with a 15 mm diameter piece of pipe                                  (2)

3.6        Trained person                                                                              (1)

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Civil Technology: Civil Services               10                                      DBE/2023
                                    SC/NSC – Marking Guidelines

3.7        Before entering confined spaces:
            A competent person must inspect and declare the area safe 
            The air must be tested 
            Harmful fumes and gasses must be removed
            Make sure that worker has breathing apparatus/PPE
           ANY TWO OF THE ABOVE                                                                      (2)

3.8        Safety regulations for working in elevated positions:
            Ensure that the fall protection plan is adhered to 
            Workers must wear a safety harness/PPE 
            Ensure that the safety pin (D-clip) of a harness is hooked to the safety
             rope/rail
           ANY TWO OF THE ABOVE                                                                      (2)

3.9        3.9.1        Volume of a cubic water storage tank
                        = Area of base x height
                        = s3
                        = 3,7 m  x 3,7 m  x 3,7 m 
                        = 50,65 m3                                                                  (4)

           3.9.2        Volume of water in tank
                        = 50,65 x 1 000  litres/cubic metre
                        = 50 650 ℓ                                                                  (2)

3.10       3.10.1       Closer brick/Queen closer                                                   (1)

           3.10.2

                                         3                 2                3

                                                     4

                        CORRECTNESS OF BRICK COURSE                1

                                   NO.         ASSESSMENT CRITERIA         MARK
                                    1        Correctness of brick course    1
                                    2        Header course                  1
                                    3        Closer bricks/Queen closers    2
                                    4        Stretcher course               1
                                                                 TOTAL:     5                        (5)
                                                                                                     [30]

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Civil Technology: Civil Services                11                                   DBE/2023
                                     SC/NSC – Marking Guidelines

QUESTION 4: COLD AND HOT-WATER SUPPLY, TOOLS, EQUIPMENT AND
            MATERIALS (SPECIFIC)

4.1        4.1.1     J

           4.1.2     A

           4.1.3     E

           4.1.4     K

           4.1.5     G

           4.1.6     F

           4.1.7     H

           4.1.8     I                                                                           (8)

4.2        4.2.1        Full-way valve with lever handle/Shutoff valve                           (1)

           4.2.2        A - Hand lever/Lever/Handle 
                        B - Gland seal 
                        C - Ball                                                                 (3)

           4.2.3        Part C/The ball will turn 90°                                            (1)

           4.2.4        To shut of water supply when needed.                                     (1)

4.3        4.3.1        Drain-cleaning rods                                                      (1)

           4.3.2        A - Rodding eye 
                        B - Bend 135° plain 
                        C - T/Y-junction 135°                                                    (3)

4.4        Compressed air test apparatus is used to check for:
                  Problems/Leaks 
                  Other pipe defects before the system are used
            ANY ONE OF THE ABOVE
           Centrifugal pump is used to:
                 Move liquids 
                 Convert kinetic energy of a spinning impeller to hydrodynamic energy
            ANY ONE OF THE ABOVE                                                                  (2)

4.5        Faulty ball valve/Faulty flushing system/Handle for flushing is stuck/Faulty
           washer 
           ANY ONE OF THE ABOVE                                                                   (1)

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Civil Technology: Civil Services               12                                  DBE/2023
                                    SC/NSC – Marking Guidelines

4.6        4.6.1        Red water diverter                                                      (1)

           4.6.2        The valve diverts red water/luke warm water/cool water before it
                        reaches the tapsto a rainwater tank/storage tank/garden/pool.          (2)

4.7        4.7.1                                  

                                                                                                 (2)

           4.7.2
                                                   
                                                                                                 (2)

4.8        4.8.1        A - Evacuated tube 
                        B - Cold water inlet/Inlet 
                        C - Hot water outlet/Outlet                                             (3)

           4.8.2        Clear signs of malfunctioning of evacuated tubes:
                            No hot water flowing from the tap 
                            Leakage that resulted from a tube that exploded                    (2)

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Civil Technology: Civil Services                    13                                     DBE/2023
                                         SC/NSC – Marking Guidelines

4.9
                                         WALL          6          HOT-WATER                 6

                                                                  OUTLET

                                                                                  5

                                                                       4

                  COLD-WATER
                                                 3
                  SUPPLY
                                                           WALL MOUNTED
                                                           GEYSER

                                                 2

                  COLD-WATER
                  INLET

                                         CORRECTNESS OF LAYOUT              1

                                                      WALL

                                   NO.       ASSESSMENT CRITERIA           MARK
                                   1     Correctness of layout              1
                                   2     Cold-water inlet                   1
                                   3     Flow direction of cold-water       1
                                   4     Hot-water outlet                   1
                                   5     Flow direction of hot-water        1
                                   6     Vacuum breakers                    2
                                                              TOTAL:        7                            (7)
                                                                                                         [40]

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Civil Technology: Civil Services              14                                 DBE/2023
                                   SC/NSC – Marking Guidelines

QUESTION 5: GRAPHICS AS MEANS OF COMMUNICATION, ROOF WORK AND
            STORM WATER (SPECIFIC)

5.1        Factors to be determined:
            The pitch of the roof 
            Position of the battens or purlins 
            Materials needed
            Tools needed
           ANY TWO OF THE ABOVE                                                             (2)

5.2        Artificial storm water channels must:
            Correspond with the natural flow of water 
            Not cause erosion 
            Not cause damage to the environment
           ANY TWO OF THE ABOVE                                                             (2)

5.3

                                                                           
                                                                         

               RECTANGULAR GUTTER OUTLET                     ROUND GUTTER OUTLET            (4)

5.4        Component used to secure downpipe to wall:
            Holder bats 
            Downpipe clips
           ANY ONE OF THE ABOVE                                                             (1)

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Civil Technology: Civil Services                  15                                                   DBE/2023
                                       SC/NSC – Marking Guidelines

5.5                                                    NO.             ASSESSMENT CRITERIA             MARK
                                                        1           Projection lines to determine        2
                                                                    apex
                                                        2           Projection lines to true length      2
                                                                    line
                             7                          3           Arcs for development                 4
                                                        4           Development of base of               4
                4
                                                                    pyramid
                                                        5           Development of top of pyramid       4
                                                        6           Folding lines                       3
                                   5                    7           3mm seam on both sides              2
                                                                                              TOTAL:    21
                    6

                                       5
        4

                    6

                                           5
                                                                         1
                                                                                     1

                                                                    3
            4                                                                    2

                         6                                      3
                                               5                             2

                                                            3
                         4
                                           7

                                                   3

 NOT TO SCALE: USE A
 MASK TO MARK THIS
 QUESTION

                                           A

                                                                                                                     (21)
                                                                                                                     [30]

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Civil Technology: Civil Services               16                                    DBE/2023
                                    SC/NSC – Marking Guidelines

QUESTION 6: SEWERAGE, SANITARY FITTINGS AND JOINING (SPECIFIC)

6.1        6.1.1        C                                                                         (1)

           6.1.2        A                                                                         (1)

           6.1.3        D                                                                         (1)

           6.1.4        B                                                                         (1)

           6.1.5        B                                                                         (1)

6.2        6.2.1        Cistern                                                                   (1)

           6.2.2        Flush pipe/Long radius PVC bend pipe                                      (1)

           6.2.3        Rubber cone                                                               (1)

           6.2.4        Pan collar/Pan connector/Flexible pan connector                           (1)

           6.2.5        Material used for the manufacture of the water closet pan:
                         Glazed porcelain 
                         Stainless steel
                         Ceramic
                        ANY ONE OF THE ABOVE                                                       (1)

           6.2.6        Fixing agents used to attach pan to the floor:
                         Bolts 
                         Silicone
                         Cement
                         Mortar
                         Epoxy
                        ANY ONE OF THE ABOVE                                                       (1)

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Civil Technology: Civil Services               17                                     DBE/2023
                                    SC/NSC – Marking Guidelines

                         SOLVENT WELD
6.3                                                     

                                        PIPE INSERTED 

                                                       
                         SOLVENT WELD

                                    ASSESSMENT CRITERIA                MARK
                            Correctness of joining pipe and socket       1
                            Solvent weld                                 2
                                                             TOTAL:      3                         (3)

6.4        6.4.1        Waterproof cement plaster/Plaster                                         (1)

           6.4.2        Purpose of waterproof cement plaster:
                         Prevent liquid from penetrating the walls 
                         Prevent solids from attaching to the insides of the walls
                         Keep the walls durable
                        ANY ONE OF THE ABOVE                                                       (1)

           6.4.3        Draw-off valve/Exhaust valve/Outlet valve/Street valve                    (1)

           6.4.4        The draw-off valve is located close to the road to enable easy
                        removal of the waste.                                                      (1)

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Civil Technology: Civil Services                  18                                       DBE/2023
                                       SC/NSC – Marking Guidelines

6.5
                                                                           INSPECTION EYE
                                                                           COVER

                                                  2
                                                                           COMPACTED FILLING

                                   5                                       DISTRIBUTION PIPE
                                                                           COARSE SAND
                                                  3

                                                  4

                                                                           GRAVEL FILLING

                                                                           INSPECTION PIPE
                                        6

                                                       CORRECTNESS OF FRENCH DRAIN                1

                                            NO.             ASSESSMENT CRITERIA           MARK
                                            1         Correctness of French drain           1
                                            2         Compacted filling                     1
                                            3         Coarse sand                           1
                                            4         Gravel filling                        1
                                            5         Distribution pipe                     1
                                            6         Inspection pipe with eye cover        1
                                                                                 TOTAL:     6            (6)

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Civil Technology: Civil Services                     19                                    DBE/2023
                                                   SC/NSC – Marking Guidelines
         6.6                       ERROR ON PLAN                                  REASON
                          Incorrect line type for the sewer       Dashed line used instead of chain type
                          line                                   line 
                          Branch pipe is placed in the            Must be directed towards the municipal
                          incorrect direction                    connection 
                          The rodding eye positioned              Should be positioned at the farthest
                          incorrectly                            point/head/start of the main sewer line 
                          The manhole is positioned               Should be positioned before the
                          incorrectly                             municipal connection
                          There is no gulley/stub stack           Gulley/Stub stack should be positioned
                                                                  at waste pipe from the sink
                          No inspection eye/The inspection        Abbreviation is incorrectly indicated as
                          eye is incorrectly labelled             RE
                          ANY THREE OF THE ABOVE                                                               (6)

         6.7
                                                                                        MUNICIPAL CONNECTION
RE        7
                                          IE
              IE                                                                  MH
                                               4              2
                  3
                                    6

                                                                        NOTE:
                                                                        ALTERNATE ABBREVIATIONS
8   IE                     BATHROOM                                     FOR VENT PIPE ARE VV/SVP.

                                                                        CURVES AT MAIN SEWER PIPES CAN BE
           VP                                                           REPLACED BY A 45° LINE.
                      5

     2                                                                  MH MAY BE REPLACED BY RE NEAR
                                                                        MUNICIPAL CONNECTION.

    RE        7

                          CORRECTNESS OF SEWERAGE INSTALLATION                    1
                           3

                                   NO.                 ASSESSMENT CRITERIA                   MARK
                                    1    Correctness of sewerage layout                        1
                                    2    Main sewer lines                                      2
                                    3    Junction of main sewer lines: 45°/Quarter round       1
                                    4    Branch pipes                                          1
                                    5    Vent pipe                                             1
                                    6    Gully                                                 1
                                    7    Rodding eyes                                          2
                                    8    Inspection eyes                                       1
                                                                                 TOTAL:       10               (10)
                                                                                                               [40]
                                                                                                   TOTAL:      200
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