DIPLOMA IN LAND SURVEYING AND LEVELLING – UBT

DIPLOMA IN LAND SURVEYING AND LEVELLING

Course Content

1. INTRODUCTION TO SITE SURVEYING

Definitions
Purpose of site surveying
Basic principles of surveying
Different types of surveying

2. LEVELLING WORK

Datums used in construction surveying
Levelling terminology
Temporary adjustment of a levelling instrument.
Fly levelling
Differential levelling
Errors in levelling
Level sheet preparation
(Raise and fall method and HOC method)
Gradient calculations for drainage, pipe laying…etc.

3. THEODOLITE SURVEYING

Features of a theodolite
Meaning horizontal and vertical angles
Traverse surveying
Open traverse and close traverse calculations
Coordinate sheet preparation
Error adjustment using Bowditch ‘s method

4. TOTAL STATION SURVEYING

Theory about total station
Temporary adjustments of a TS
(setting up, Centering, levelling & orientation)
Job creation & file selection
Basic functions such as Angle, Distance, Elevation & coordinate measurements.
Data collection surveying
Area calculations
Measuring & plotting a land parcel
(TS to AUTO CAD)
Coordinate SETTING OUT
Use of REM Function
BM/TBM Transferring
Topographic surveying

5. SETTING OUT WORK

Definitions
Methods of setting out
Horizontal and Vertical setting out
The 3-4-5 method
Setting out work by Theodolite
Coordinate setting out

6. CONTOUR SURVEYING

Terms used in contour surveying
Uses of a contour map
Characteristic of contours
Methods of contouring
Contour interpolation

7. AREA AND VOLUME CALCULATIONS

Area calculations by
Trapezoidal rule
Simpson’s rule
Cross sectional dataCoordinate data
Volume calculations by

Average end area rule
Prismoidal formula
Using spot levels
Contour data

8. INTRODUCTION TO MODERN SURVEYING INSTRUMENTS

Introduction to GPS system
Working principles of GPS
Differential GPS
Application of GPS in civil engineering construction
Satellite imagery system and it’s uses in construction industry

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