# HI-TECH SURVEYING

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# Code(Credit) : ABC01(1-1-0)

## Course Objectives

• Familiarization with the work environment and expected personal attributes to perform as an Assistant Surveyor
• Familiarization to the principles, components, and tools required.
• Develop an end-to-end technical understanding to execute surveying works in construction industry.
• To solve measurement problems in an optimal way

## Learning Outcomes

• Fieldwork using Hi-Tech surveying instruments.
• Preparation & digitization of different topography map with the help of GIS software.
• Generation of map & reports.

## Course Syllabus

Module 1: Levelling

Introduction, Study of essential features and parts of different types of levels.

Practice: Setup off auto level and make temporary and permanent adjustment.

Practice: Determination of elevation of various points with dumpy level by collimation plane method.

Practice: Fixing benchmark with respect to temporary bench mark with auto level by fly levelling and check levelling.

Module 2:

Theodolite traversing

Methods of traversing in theodolite, traverse computation, balancing of traverse.

Practice: Setting of theodolite machine and make temporary and permanent adjustments.

Practice: Measurement horizontal angle by repetition method & reiteration method.

Practice: Measurement of vertical angle.

Practice: Conducting a close traverse of a given area and balancing it by Bowditch rule .

Module 3:

Total station

Introduction, Principle and application of total station, advantages of total station.

Practice: Horizontal distance measurement by using total station.

Practice- Measurement of distances and coordinates of given points using total station.

Practice- Measurement of altitudes of given elevated points using total station.

Practice- Run a closed traverse using total station and plotting the traverse.

Practice- Determination of areas of field (enclosed three or more points )by total station.

Module 4:

GPS/GIS

Introduction to GPS,segments of GPS,principles of GPS,error in GPS survey,DGPS,real time kinematic GPS, Introduction to GIS ,working process of GIS,coordinate system and projection, data type in GIS,raster and vector data model, errors in gis data.

Practical: Setting of base station and rover station.

Practical: Measurement of latitude, longitude and altitude using GPS.

Practical: Provision of ground control points.

Practice: Geo referessing of raster images.

Practice: Vectorization (point, line and polygon).

## Session 1

Lecture:

Introduction,study of essential features and parts of different types of level.

## Session 2

Practice:

Setup off auto level and make temporary and permanent adjustment of autolevel.

Session 3

Practice:

Determination of elevation of various points with dumpy levelby colimation method.

Session 4

Practice:

Fixing benchmark with respect to temporary bench mark with auto level by fly levelling and check level.

Session 5

Lecture:

Methods of traversing in theodolite

Session 6

Lecture:

traverse computation

Session 7

Lecture:

Balancing of traverse

Session 8

Practice:

Setting of theodolite machine and make temporary and permanent adjustments.

Session 9

Practice:

Measurement horizontal angle by repetition method & reiteration method.

Session 10

Practice:

Conducting a close traverse of a given area and balancing it by Bowditch rule .

Session 11

Lecture:

Introduction, Principle and application of total station, advantages of total station.

Session 12

Practice :

Horizontal distance measurement by using total station.

Session 13

Practice:

Measurement of distances and coordinates of given points using total station.

Session 14

Practice :

Measurement of altitudes of given elevated points using total station.

Session 15

Practice :

Run a closed traverse using total station and plotting the traverse.

Session 16

Practice :

Determination of areas of field (enclosed three or more points )by total station.

Session 17

Lecture :

Introduction to GPS,segments of GPS,principles of GPS,error in GPS survey,DGPS.

Session 18

Lecture :

real time kinematic GPS, Introduction to GIS ,working process of GIS

Session 19

Lecture :

coordinate system and projection, data type in GIS,raster and vector data model, errors in gis data.

Session 20

Practice :

Setting of base station and rover station.

Session 21

Practice :

Measurement of latitude, longitude and altitude using GPS.

Session 22 ,23

Practice :

Provision of ground control points.

Session 24,25

Practice :

Geo referessing of raster images.