Surveying -3 Syllabus Diploma in Civil Engineering, Regulation 2010

- To be able to set out different types of curve.
- To be able to understand triangulation survey
- To be able to conduct hydrographic survey.
- To be able to learn using total station,
- To be able to understand photogrammetry.
- To be able to conduct route survey.
- To be able to perform city survey.

# SHORT DESCRIPTION

Curve ranging; Setting out Plan / alignment; Triangulation survey; Hydrographic survey; Total station; Photogrammetry; Route survey; City survey.

# DETAIL DESCRIPTION

__Theory:__

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**1 Understand the concept of curve.**

1.1 Define curve.

1.2 Explain the necessity of curve.

1.3 Classify different types of curve.

1.4 Describe circular curves.

1.5 Explain the nomenclature of simple curve.

1.6 List the elements of simple curve.

1.7 Express the deduction of formula for finding radious of a circular curve.

1.8 Express the deduction of formula for calculating different elements of simple curve.

1.9 Solve problem on different elements of simple curve.

**2 Understand the concept of curve ranging.**

2.1 State the meaning of curve ranging.

2.2 List the instrument required for curve ranging.

2.3 Classify different methods of curve ranging.

2.4 State the steps in curve ranging.

2.5 Describe the procedure of finding out deflection angle.

2.6 Describe the procedure of finding out deflection angle without using any angular instrument.

2.8 Describe the procedure of finding out the location of tangent point.

2.9 Explain the importance of peg interval.

**3 Understand the procedure of setting out curves by linear methods.**

3.1 Classify setting out curve by linear method.

3.2 Express the deduction of formula for setting out curve by ordinates from long chord.

3.3 Describe the procedure of setting out curve by ordinates from long chord.

3.4 Express the deduction of formula for setting out curve by offsets from tangent

(radial method).

3.5 Express the deduction of formula for setting out curve by offsets from tangent

(perpendicular method).

3.6 Describe the procedure of setting out curve by successive bisection of arcs.

3.7 Express the deduction of formula for setting out curve by offsets from chords

produced method.

3.8 Solve problems on setting out of circular curves.

**4 Understand the procedure of setting out curves by angular methods.**

4.1 Describe the angular methods of curve ranging.

4.2 Express the deduction of formula for setting out curve by one theodolite method

- Describe the procedure of setting out curve by one theodolite method (Digital/conventional).
- Describe the procedure of setting out curve by two-theodolite method (Digital/conventional).
- Solve problems on setting out curve by angular method.

**5 Understand various obstacles in simple curve ranging.**

5.1 List the common obstacles in curve ranging.

5.2 Describe the procedure of overcoming the obstacles in curve ranging.

5.3 Solve problems on obstacles in curve ranging.

**6 Understand the concept of transition curve.**

6.1 Define transition curve.

6.2 Explain the necessity of transition curve.

6.3 Mention the conditions of transition curve.

6.4 Classify different types of transition curve.

6.5 State the meaning of super elevation.

6.6 Express the deduction of formula for calculating super elevation.

6.7 Express the deduction of formula for calculating the length of transition curve as

used in highways and railways.

6.8 List the elements of transition curve.

6.9 Define shift and spiral angle.

6.10 Describe the procedure of setting out transition curve by tangential angle method.

6.11 Solve problems on transition curves.

**7 Understand the concept of vertical curve.**

7.1 Define vertical curve.

7.2 Classify different types of vertical curve with their purposes.

7.3 Explain the necessity of vertical curve.

7.4 Explain the properties of parabola.

7.5 Describe the calculating process of setting out data for vertical curve.

7.6 Describe the procedure of finding out the grade of an undulated proposed road.

7.7 Describe the procedure of setting out vertical curves.

7.8 Solve problem on vertical curve.

**8 Understand the concept of setting out plan of a building / alignment of a road.**

8.1 Explain the significance of setting out a plan of a building / alignment of a road.

8.2 List the instrument and accessories required for setting out works for building and road alignment.

8.3 Describe the procedure of fixing centre line of building / road.

8.4 Describe the procedure of providing reduce levels (RL’s) on different parts of a building / road.

** 9 Understand the Concept of Geodetic survey.**

9.1 Define geodetic survey

9.2 Describe the objective of Geodetic Survey and its Classification.

9.3 Describe the principles of triangulation survey.

9.4 Describe the objectives of triangulation survey.

9.5 Describe triangulation system with sketches.

9.6 Classify different types of triangulation system.

9.7 Describe the characteristics of different types of triangulation system.

**10 Understand the concept of triangulation survey.**

10.1 Name the steps in triangulation survey.

10.2 Explain the importance of reconnaissance survey in triangulation.

10.3 Describe the points to be considered for selecting station points in triangulation survey.

10.4 State the meaning of tower and signals in triangulation survey.

10.5 Determine the height of a tower in triangulation survey.

10.6 Describe the points to be considered for selecting base line in triangulation survey.

10.7 Describe the procedure of base line measurement in triangulation survey.

10.8 Solve problems on the length of base line correction.

10.9 Explain the procedure of measuring angles in triangulation survey.

10.10 Compute the length of other sides of the whole triangulation system.

10.11 State the meaning of reduction to centre.

11.12 Solve problems on reduction to center.

**11 Understand the concept of hydrographic survey.**

11.1 State the meaning of hydrographic survey.

11.2 Explain the purposes of hydrographic survey.

11.3 Define control for hydrographic surveys.

11.4 Describe shoreline survey and river survey.

11.5 List the equipment and accessories required for hydrographic survey.

**12 Understand the procedure of sounding.**

12.1 State the meaning of sounding.

12.2 Describe the duties of members of a sounding party.

12.3 Distinguish between shoreline and range line.

12.4 Describe the procedure of measuring sounding.

12.5 Mention the methods of locating sounding.

12.6 Explain the reduction of sounding.

12.7 Solve problems on reduction of sounding.

12.8 Describe the process of plotting of sounding.

12.9 Describe the procedure of solving three points problem.

12.10 State the meaning of a station pointer.

**13 Understand the procedure of measuring discharge.**

13.1 Mention the data required for measuring discharge.

13.2 Mention the uses of current meter.

13.3 Describe the calibration process of current meter.

13.4 Explain the methods of measuring velocity by current meter.

13.5 Describe the procedure of calculating discharge from the data obtained by current meter.

13.6 State the meaning of floats.

13.7 Explain the method of measuring velocity by floats.

13.8 Describe the procedure of calculating discharge from the data obtained by floats.

13.9 Mention the data and formula required for computing discharge through weirs.

13.10 Solve problems on measurement of discharge.

**14 Understand the principles of operation and uses of total station. **

14.1 State the meaning of total station.

14.2 Name the components of total station.

14.3 Mention the function of each of the components.

14.4 Mention the uses of total station.

14.5 Describe the procedural steps of setting total station.

14.6 List different types of adjustment.

14.7 Name the fundamental lines of total station.

14.8 Mention the relation among the fundamental lines.

14.9 Describe the procedure of taking readings with total station.

**15 Understand the principles of making traverse with total station. **

15.1 List the fieldworks involved in survey with total station.

15.2 Describe the procedure of measuring horizontal distance and vertical height with

total station.

15.3 Describe the operational steps of traverse survey with total station.

15.4 Compute the Gale’s traverse with the help of total station.

15.5 Describe the plotting of map of a traverse survey with total station.

**16 Understand the concept of photogrammetry.**

16.1 State the purpose of photogrammetry.

16.2 Mention the features of photo-theodolite.

16.3 State the purpose of aerial surveying.

16.4 State the following terms:

- Vertical photograph
- Tilted photograph
- Focal length
- Exposure station
- Flying height
- Primary camera station.

**17 Understand the concept of route survey.**

17.1 State the meaning of route survey.

17.2 Explain the series of work of route survey of a project.

17.3 Describe the reconnaissance survey of a project.

17.4 Describe the preliminary survey of a project.

17.5 List the instrument required for preliminary survey.

17.6 Name the different parties for preliminary survey and describe their works.

17.7 Describe the location survey of a project.

17.8 Describe the construction survey of a project.

**18 Understand the procedure of city survey.**

18.1 Explain the purpose of city survey.

18.2 List the maps required for city survey.

18.3 Describe the methods of establishing horizontal and vertical control.

18.4 List the instrument required for city survey.

18.5 Describe the method of preparing topographic map of a city.

18.6 Explain the objects of the property survey of a city.

18.7 Describe the method of preparing property map of a city.

18.8 Describe the method of preparing wall map of a city.

18.9 Describe the method of preparing underground map of a city.

18.10 Describe the method of locating details of a city.

18.11 Explain the system of preservation of detail notes of city survey.

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__Practical: __

- Prolong a straight line with theodolite.

- Set out circular curve by offset from long chord method.

- Set out circular curve by successive bisection of arc method.

- Set out circular curve by offset from tangent (radial method).

- Set out circular curve by offset from tangent ( perpendicular method).

- Set out circular curve by offset from chord produced method.

- Set out circular curve by one theodolite method (Rankine method).

- Set out circular curve by two theodolite method.

- Perform layout plan of a building using theodolite.

- Perform layout alignment of a highway.

- Conduct hydrographic survey.

- Perform river / canal cross section by sounding method.

- Measure a base line and angles of a triangulation system and calculate rest of the
- Demonstrate the components of Total Station
- Determine the horizontal and vertical distances with total station
- Conduct traversing with a total station and plot map including computation of area.
- Field visit

**REFERENCE BOOKS**

1 Surveying and levelling – T P Kanetkar

2 Surveying – Norman Thomas

3 Surveying – Aziz and Shahjahan

4 Plane and Geodetic Survey – D Clark

5 A Text book of Advanced Surveying- R. AGOR