Course Details

Subject {L-T-P / C} : CE2005 : Surveying { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Dr. Bibekananda Mandal

Syllabus

Module I: Linear measurements and chain surveying: Definition of surveying, classification of surveys, scales, types of chains and tapes, chaining and ranging, principles of chain survey, instruments, applications, errors and corrections, obstacles in chaining. [6 hours]

Module II: Compass Traversing: Measurement of bearing, computation of angles from bearings, designation of bearings, fore bearing and back bearing, prismatic compass, principles of compass survey, local attraction and corrections, compass traverse and adjustments. [6 hours]

Module III: Plane Table Surveying: Instruments, working operations, different methods, advantages and disadvantages, two and three-point problems. [5 hours]

Module IV: Levelling and contouring: Principle, levelling instruments, dumpy level, classification of levelling, booking and reducing levels, profile and reciprocal levelling, curvature and refraction corrections, bubble tube and its sensitiveness, levelling difficulties, definition of contouring, contour interval, characteristics of contours, direct and indirect methods of contouring, interpolation of contours, contour gradient, uses of contour maps. [9 hours]

Module V: Theodolite surveying and modern surveying instruments: Types of theodolites, temporary and permanent adjustments, measurement of horizontal and vertical angles, theodolite traversing, included angles from bearings, fundamental lines and desired relations, errors in theodolite work, electronic theodolite, plotting a traverse, latitude and departure of lines, consecutive and independent coordinates, closing error, balancing a traverse, Gale’s traverse table, omitted measurements, calculation of area, Electronic Distance Measuring (EDM) equipment, total station. [11 hours]

Module VI: Remote sensing: Introduction and basic concepts, spectral reflectance of ground features, data acquisition and interpretation, applications of remote sensing for resources mapping, Global Positioning System and Geographic Information System, Aerial photogrammetry- principles, computation of scale and distance between points, relief displacement, measurement of the height of different objects, ground control, flight planning. [8 hours]

Course Objectives

Course Outcomes

After the completion of this course, students will be able to: <br />CO1: Understand different procedures to survey areas with varied topography. <br />CO2: Understand the basics of electronic distance measurement instruments and remote sensing. <br />CO3: Carry out surveying and record the surveying data for an area using survey instruments. <br />CO4: Prepare a plan or map of an area surveyed. <br />CO5: Analyse and appropriately distribute the survey errors.

Essential Reading

Supplementary Reading