Surveying-1 Syllabus Diploma in Civil Engineering, Regulation 2010
To provide the students with an opportunity to acquire knowledge and skills about:
- Conduct the survey work with chain, compass and plane table.
- Conduct cadastral survey.
- Record surveyed data and plot the surveyed area.
- Enlarge or reduce the map and calculate the area by using small instrument.
Introduction to surveying; chain surveying; Compass surveying; Plane table surveying; Cadastral surveying.
INTRODUCTION TO SURVEYING
1.0 Understand concepts of surveying
1.1 Explain the meaning of surveying
1.2 Discuss the purpose of surveying.
1.3 Classify Primary divisions of survey.
1.4 Explain field work.
1.5 Explain office work.
1.6 Acquaint with survey instruments and their care and adjustment.
1.7 Discuss the classification of surveying based of shape of earth nature of field object of surveying and instrument employed.
1.8 Differentiate plane survey and geodetic survey.
2.0 Understand the basic principle of chain surveying.
2.1 Describe the purpose and scope of chain surveying.
2.2 Describe basic principle of chain surveying.
2.3 Explain chain line, base line, tie line, check line, station points.
2.4 Explain ill-conditioned and well conditioned triangle.
2.5 Rules to be observed while chaining.
3.0 Understand the main instrument used in chain surveying.
3.1 List the equipment and accessories used in chain surveying.
3.2 Describe Gunter’s chain, Engineer’s chain, meter chain, ranging rod, cross-staff, offset rod, plumb-bob, arrows, tapes, whites.
3.3 Explain the method of folding and unfolding a chain.
3.4 Describe the use of steel band chain.
3.5 Describe the use of linen, steel and invar tape.
3.6 Explain the use of arrows, ranging rod, offset rod, cross-staff, prism square, box-sextant, clinometer.
4.0 Understand the use optical square.
4.1 Describe the principle of optical square.
4.2 Explain the construction and use of optical square.
4.3 Explain the procedure of checking and adjustment of optical square.
5.0 Understand the procedure of chain surveying.
5.1 Explain reconnaissance surveying.
5.2 Describe the procedure of chain surveying.
5.3 State the considerations of selecting station points.
5.4 Describe the procedure of ranging of survey line.
5.5 Distinguish between direct and indirect ranging.
5.6 Describe the procedure of indirect ranging (reciprocal ranging) on sloping ground.
5.7 Describe the procedure of measuring linear distances with the help of chain and tape.
6.0 Understand in measuring offset.
6.1 Define offset perpendicular offset and oblique offset.
6.2 Describe the procedure of measuring offset by offset rod and tape.
6.3 Describe the procedure of measuring offset by optical square.
6.4 Describe the different methods of locating unknown points with reference to two known points.
7.0 Understand booking procedure of field book.
7.1 State single line and double line field book.
7.2 Describe the procedure of booking in a single line field book.
7.3 Describe the procedure of booking in a double line field book.
7.4 Describe precautions in booking field notes.
8.0 Understand chaining across obstacles.
8.1 Describe the procedure of setting out perpendicular by chain and tape when the point is accessible.
8.2 Describe the procedure of setting out perpendicular by chain and tape when the point is inaccessible.
8.3 Describe the procedure of chaining across obstacles when the chaining obstructed.
8.4 Describe the procedure of chaining across obstacles when the vision obstructed
8.5 Describe the procedure of chaining across obstacles when both chaining and vision obstructed.
9.0 Understand errors in chaining.
9.1 List the errors in chaining.
9.2 Identify the causes for which a chain may be too-long or too-short.
9.3 Calculate the correct distance and correct area from measured distance and measured area when the chain was too-long or too-short.
9.4 Explain cumulative and compensating errors with causes of those errors.
9.5 List the mistakes in chain surveying.
9.6 List the name of necessary correction to be applied to the measured length of a line in order to obtain its true length.
9.7 Explain the formula for correction of tapes for absolute length, variation of temperature, variation of pull, sag and slope.
9.8 Computer correct length of line after necessary correction due to variation of pull, sag and slope.
9.9 Explain normal tension.
9.10 Explain degree of accuracy in chaining.
9.11 Discuss about precise of linear measurements.
10.0 Prepare a chain survey map.
10.1 List the instrument and materials required for plotting a survey map.
10.2 Discuss different types of scale.
10.3 State suitable scale for plotting a map.
10.4 Describe the procedure of plotting a survey map from field book.
10.5 Draw conventional symbols used in plotting maps.
11.0 Apply different methods of computing areas.
11.1 Describe the units of measurements in plane surveying.
11.2 Describe different methods of computing areas within regular and irregular perimeters.
11.3 Carry out the field work for calculation of areas within regular and irregular perimeters.
11.4 Compute the area along boundary by mid-ordinate rule, average ordinates rule, trapezoidal rule, and Simpson’s rule.
12.0 Understand the methods of calculation of area from a given map.
12.1 Describe the procedure of computation of area from a map with the help of planimeter.
12.2 Calculate an area with the help of planimeter.
12.3 Describe the procedure of computation of area from a map analytically by dividing the map into triangles, squares, trapezoids (Parallel lines).
12.4 Calculate an area from a map analytically.
12.5 Describe the procedure of computation of area from a given map with the help of acre comb.
12.6 Calculate an area from a map with the help of acre comb.
13.0 Understand about small instruments.
13.1 State the use of planimeter.
13.2 State the use of pantograph.
13.3 State the use of acre comb.
13.4 Describe the procedure of reducing and enlarging a map with the help of pantograph.
13.5 Describe the procedure of measuring angle of elevation and depression with the help of abney level.
14.0 Understand basic terms used in compass surveying.
14.1 Describe the purpose and scope of compass surveying.
14.2 List the instrument and accessories required for compass survey.
14.3 Define terms- meridian, true meridian, magnetic meridian, arbitrary meridian, bearing, true bearing, magnetic bearing, arbitrary bearing, magnetic declination, dip of the needle, deflected angle, exterior angle, interior angle.
14.4 State the method to determine the direction of meridian by sun’s shadow.
14.5 State the method to determine the direction of magnetic meridian by compass needle.
15.0 Understand conversion of bearing.
15.1 Explain fore bearing and back bearing.
15.2 Compute back bearing from fore bearing and fore bearing from back bearing.
15.3 Explain whole circle bearing and reduced bearing and necessity of converting them.
15.4 Convert whole circle bearing to reduced bearing and reduced bearing to whole circle bearing.
16.0 Understand the procedure of compass surveying.
16.1 Describe prismatic, surveyors and trough compass.
16.2 Differentiate prismatic and surveyors compass.
16.3 State the use of different compass.
16.4 Describe the procedure of compass survey.
16.5 Define local attraction.
16.6 Detect local attraction and correct the observed bearings.
PLANE TABLE SURVEYING
17.0 Understand basic concept of plane table surveying.
17.1 State the purpose and scope of plane table surveying.
17.2 List the instruments and accessories required for plane-table survey.
17.3 Explain the functions of different instruments and accessories used in plane- table survey.
17.4 Describe the procedure of setting up plane table.
17.5 Explain the term orientation.
17.6 Describe orientation by magnetic needle and back sighting.
17.7 Name the methods of plane table survey.
17.8 Describe radiation, intersection, traversing and resection methods.
18.0 Understand the methods of solving two points and three points’ problem.
18.1 Define two points problem.
18.2 Describe the procedure of location of the plan the position of the instrument station of the ground by solving two points problem.
18.3 Define three points problem.
18.4 Describe the procedure of locating on the plan the position of the instrument station on the ground by solving three-points problem
19.0 Understand errors and precautions in plane table survey.
19.1 Describes the advantages and disadvantage of plane table survey.
19.2 List the error in plane table survey.
19.3 List the precautions to be taken in plane table survey.
20.0 Understand the basic concept of cadastral survey.
20.1 Define cadastral survey.
20.2 Define the purpose of cadastral survey.
20.3 Identify scale used in cadastral survey.
20.4 List the equipment and accessories used in cadastral survey.
20.5 Define the terms Quadrilaterals, intersections, shikmi, chanda, check line, field khaka, revenue survey, revisional settlement.
20.6 State the stages of cadastral survey.
20.7 Explain the procedure of preparing a cadastral survey map.
20.8 Describes the rules for numbering the plots.
21.0 Identify the boundary of property.
21.1 Describe the procedure for demarcation of boundary lines of property.
21.2 Describe the procedure for locating of lost boundary.
- Identify the different instruments and accessories required for chain survey.
- Test and adjust chain.
- Measure length of line by chain and tape.
- Set perpendiculars with the help of chain and tape.
- Set parallel lines with chain and tape.
- Test and adjust an optical square.
- Set perpendiculars with the help of optical square.
- Measure distances across obstacles.
- Conduct a chain survey of a field.
- Prepare a chain survey map.
- Calculate the area of map with the help of planimeter.
- Identify the different instruments and accessories required in compass survey.
- Measure magnetic bearing by prismatic and surveyors compass.
- Identify the different instruments and accessories required in plane table survey.
- Locate the position to point with the help of plane table.
- Plot the map of a place by radiation, intersection and traversing.
- Locate the position of the instrument station of the plan of the plane table by solving three points problem.
- Locate the position of the instrument station on the plan of the plane table by solving three points problem.
- Calculate the area from a map with the help of planimeter graphically and analytically.
- Enlarge a given map up to the desired size with the help of pantagraph.
- Reduce a given map up to the desired size with the help of pantagraph.
- Calculate the angle of elevation and angle of depression with the help of abney level.
- Measure the area of a plot from mouza map.
- Locate the position of a point in the field which is already plotted on the mouza map.
- Locate the boundary line of a property with the help of chain, tape and plane table which is already plotted on the mouza map.
- Surveying and Levelling – T. P. Kanatker
- Syrveying – Norman Thomas
- Surveying – Aziz & Shahjahan
- Plane & Geodetic Survey – D. Clark
- Surveying – B. C. Punmia
Text book of surveying – S.K.Husain, M.S Nagraj