nAmIB I A U n IVERS lTV OF SCIEnCE AnD TECHnOLOGY

FACUL TV OF NATURAL RESOURCES AND SPATIAL SCIENCES

DEPARTMENT OF GEO-SPATIAL SCIENCES AND TECHNOLOGY

QUALIFICATION: DIPLOMA IN CIVIL AND PROJECT MANAGEMENT

QUALIFICATION CODE: 3SDCPM LEVEL: 7

COURSE CODE: SUR110S COURSE NAME: SURVEYING 1 (Level 6)

SESSION: JULY 2016 PAPER: THEORY

DURATION: 2 HOURS MARKS: 80

SECOND OPPORTUNITY EXAMINATION QUESTION PAPER

EXAMINER(S) MRT.MAKAZA

MODERATOR: MR E.S SINVULA

INSTRUCTIONS 1. Answer ALL the questions.

2. Write clearly and neatly.

3. Number the answers clearly.

PERMISSIBLE MATERIALS

Calculator, ruler,eraser

THIS QUESTION PAPER CONSISTS OF 5 PAGES (Including this front page)

Surveying 1

Question 1

Explain the meaning of the following terms in the context of geomatics/surveying;

1.1 Total station

1.2 Satellite orbit

1.3 Systematic error

1.4 Join calculation

1.5 Foresight

1.6 Set-up

Question 2

Outline the following aspects of GNSS;

2.1 The four constellations,

2.2 Disadvantages (any six).

2.3 The three techniques that can be used for GNSS surveying.

Question 3

3.1 Name any six traverse station requirements.

SUR110S

(2)

(2)

(2)

(2)

(2)

(1)

[11]

(4)

(6)

(3)

[13]

(6)

3.2 In the geometric design of highways, curves can be classified under three headings. Outline them.

(6)

3.3 What are the two fundamental rules used for determination of areas of irregular figures. (2)

[14]

Second Opportunity Examination Page 2 of 5 July 2016

Surveying 1 SUR110S

Question 4

On Data sheet 1 are indicated the levelling field observations carried out by a civil engineer. Use the

RISE and FALL method to determine the final levels for all the points. (22}

[22]

Question 5

5.1 Explain the disadvantage of an open traverse (2}

5.2 Calculate coordinates for the traverse A-Tl-T2-T3-T4-T5-A using the following orientated directions and

reduced distances. Use Data Sheet 2 to answer this question. Adjustment should be done using the

Bowditch method to 3 decimal places. (18}

[20]

Second Opportunity Examination Page 3 of 5 July 2016

. .

Surveying 1 SUR110S

Student Number ________ _ Data Sheet 1

Rise and Fall Levelling Sheet Question 4

NOTE:

Rounded off to the nearest 3 (0.000) decimal places.

Reduced Final Point B.S. 1.5. F.S. Rise Fall Heights Correction Heights

BMl 1.823 1662.652m

Change point 2.160 2.388

A 1.922

B 1.958

c 2.640

D 1.175 1.548

Change point 2.391 2.222

E 2.081

F 2.940

G 0.965

H 2.434

BM2 0.888 1663.139m

Second Opportunity Examination Page 4 of 5 July 2016

l Surveying 1

Student Number ________ _

Question 52

Bowditch Adjustment Sheet ALL ANSWERS MUST BE ROUNDED OFF TO 3 DECIMAL PLACES

DIRECTION & DISTANCE DIFFERENCES STATION FINAL

b.Y b. X y

A -4922.669

185-11-10

85.879

T1 100-11-10

131.328

T2

50-00-10

60.387

T3

00-36-00

57.470

T4

291-05-40

105.364

T5

250-00-00

74.486

A -4922.669

END

Second Opportunity Examination Page 5 of 5

SUR110S

Data Sheet 2

COORDINATES

X

58798.609

+58798.609

July 2016