Assingment-surveying.docx

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unilogo               Faculty of Arts, Design & Technology

 

INFRASTRUCTURE SURVEYING AND ASSET MANAGEMENT 2

 

Assignment One : Survey Portfolio

 

 

http://www.degreequery.com/wp-content/uploads/2014/09/survey.jpg

 

 

Module Leader:                                          Derek Spalton

Lecturer:                                                        Derek Spalton

Student : Euripedes F. Borges Neto    100333052

 

 

Content

 

1 .Introduction              5

2.Task 1              6

2.1              Traverse of Wollaton Hall              6

2.2  Volume of excavation              7

2.3 GPS coordinates              9

3.Task 2 – Two Peg Test              10

4. Task 3 – Precise Levelling              12

5. Task 4– Comparing the accuracy of traditional and digital levelling              13

6. Task 5 – Closed Traverse              18

7. Task 6 – Operation of laser measurement and safety implication in construction sites              25

7.1              Operation of laser measurement              25

7.2  Safety implication in construction sites              26

7.2.1 Distance measurement              26

7.2.2 Surveying – (Total Station, Digital level)              26

7.2.3 Pipe Lasers              27

7.2.4 Rotating lasers              28

7.2.5 Interior green laser              28

7.2.6 Dual Grade Lasers              29

7.2.7 Earthwork              30

7.2.8 Laser Scanning              31

8.              Task 7 – Topographical Surveying              33

9.              Conclusion              39

10.              References              40

11.              Appendix              42

11.1 – Topographical Surveying Data Report 1 (UNEDITED)              42

11.2  Topographical Surveying Data Report 2 (EDITED)              44

11.3  Topographical Surveying Final Drawing              47

List of Figures

Figure 1 - Polygon              6

Figure 2 - Ground Profile              8

Figure 3 - Two Peg Test              10

Figure 4 - Level Measurements              12

Figure 5 - Points of levelling              13

Figure 6 - Digital level   (Transitandlevel, 2012)                                      Figure 7 -Staff of digital level (Benchmark AZ,2013)              14

Figure 8 - Traditional level (Surveying Equipment Hire, 2012)              14

Figure 9 - Staff of traditional Level (Surveying Equipment, 2012)              15

Figure 10 - Digital Levelling result              16

Figure 11 - Traditional Levelling Result              17

Figure 12 - Total Station used in the task              18

Figure 13 – Prism used in the task              19

Figure 14 - Field Data 1              20

Figure 15 - Field Data 2              20

Figure 16 - Closed Traverse              24

Figure 17 - Sketch of laser measurement operation (RIEGL Laser Measurement Systems, 2012)              25

Figure 18 - Leica Disto (V.E.K. Tools, 2013)              26

Figure 19 - Total Station (Coastal instrument and supply co., 2013)              27

Figure 20 - Pipe laser operation (Coateshire, 2014)              27

Figure 21 - Rotating laser operation (Hire Station,2013)              28

Figure 22 - Use of interior green laser (Laser Sonic Store, 2012)              29

Figure 23 - Dual grade laser operation (Trimble, 2014)              30

Figure 24 - Earthwork with laser systems (O'Brien Contractors Limited, 2012)              31

Figure 25 - 3D laser scanner (Goodliffe, 2011)              32

Figure 26 - Example of 3D laser scanning application (FELDMAN Land surveyors, 2013)              32

Figure 27 - Area mapped (Google Maps, 2014)              33

Figure 28 - Readings at the field              34

Figure 29 - Survey codes  1              35

Figure 30 - Survey codes 2              35

Figure 31 - Drawing lines between points              36

Figure 32 -  Inserting Symbols              37

Figure 33 - Final stage              38

List of Tables

Table 1- Simpson's rule              8

Table 2 - GPS Coordinates              10

Table 3 - Traverse Field Data              21

Table 4 - Angular misclose and angles' adjustment              22

Table 5 - computing adjusted bearings              22

Table 6 - Linear adjustment              23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 .Introduction

 

This assignment aims to provide a practical knowledge about surveying by developing many practical tasks. In addition, it will help in knowing and using important surveying equipment that are quite useful in construction sites as well as present the latest technologies regarding this essential field of civil engineering.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.Task 1

 

2.1           Traverse of Wollaton Hall

 

·         Graphical Approach

 

To determine the area enclosed by the traverse, a polygon was drawn in the AutoCAD using the provided coordinates and then the command “Area” was used.

Figure 1 - Polygon

The Area calculated by the software was 376394.0760 m2.

 

·        Formula Approach

The calculation was carried out using co-ordinates, the formula is:

A=|x1y2-y1x2+x2y3-y2x3+x3y4-y3x4+x4y5-y4x5+x5y1-y5x12|

Where the (x,y) values are:

Station

Easting

Northing

A

x1 = 1000.00

Y1 =2000.00

B

...

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