📚 CONTROL SURVEY – Full Syllabus (CTEVT | Diploma in Geomatics Engineering | PDF)
📚 CONTROL SURVEY – Full Syllabus (CTEVT | Diploma in Geomatics Engineering | PDF)
🚀 Preparing for Control Survey (EG 2102 GE) under CTEVT’s Diploma in Geomatics Engineering?
This post includes the complete, official syllabus, course structure, unit-wise contents, practical fieldwork, references, and marks distribution — perfect for exam preparation, geodetic control work, and engineering survey projects.
📥 Download the Full Syllabus PDF, or scroll below for the complete breakdown.
📌 Subject Overview
- Subject Name: Control Survey
- Subject Code: EG 2102 GE
- Year: II
- Part: I
- Total Hours/Week: 15
Weekly Breakdown:
- Lecture: 6 hrs/week
- Practical (Field Work): 9 hrs/week
- Course Type: Core Subject
🎯 Course Description
This subject deals with methods of establishing horizontal and vertical control networks such as:
✅ Levelling
✅ Traversing
✅ Triangulation
✅ Trilateration
✅ Resection & Intersection
These are fundamental techniques used in geodetic surveying and engineering control point densification.
🎯 Course Objectives
After completing this course, students will be able to:
✅ Explain concepts of control surveying and apply them in real projects
✅ Use different levelling techniques for vertical control and height calculation
✅ Perform theodolite traversing for horizontal control establishment
✅ Understand triangulation and trilateration control methods
✅ Distinguish between different control point establishment techniques
✅ Identify errors and apply adjustment methods in control surveys
📚 Unit-wise Breakdown of Control Survey Syllabus
📚 Unit 1: Levelling – 30 Hrs
1.1 Introduction
-
Introduction & principle of levelling
-
Definitions of terms:
Level, Levelling
- Level surface, level line
- Datum, MSL
- RL, BM (PBM & TBM)
- HI, BS, FS, IS
- Turning Point
- Horizontal & Vertical plane/line
- Elevation, Altitude
-
Levelling instruments and accessories
1.2 Methods of Levelling
Direct Levelling (Spirit Levelling)
- Simple Levelling
- Differential Levelling
- Check Levelling
- Fly Levelling
- Reciprocal Levelling
- Precise Levelling
- Profile Levelling
- Cross Sectioning
Indirect Levelling
- Barometric Levelling
- Hydrostatic Levelling
- Trigonometric Levelling
- Hypsometric Levelling
- GPS Levelling
1.3 Field Procedure
-
Testing levels & collimation error checking
-
Field procedure steps:
-
Reconnaissance
-
Monumentation
-
Observation
-
Recording
-
Computation
-
Rise & Fall Method
-
Height of Instrument Method
-
-
-
Field precautions
1.4 Errors and Adjustment in Levelling
- Nepal Survey Department benchmark specifications
- Types and sources of errors
- Permissible errors for different orders
- Adjustment techniques
📚 Unit 2: Traverse – 30 Hrs
2.1 Introduction
- Introduction to traverse
- Definition of traverse terms
- Principles of traversing
- Classification and uses
- Standards and specifications
2.2 Methods of Traversing
- Chain Traverse
- Compass Traverse
- Plane Table Traverse
- Stadia Traverse
- Theodolite Traverse
- Open traverse vs Closed traverse
2.3 Field Procedure
- Reconnaissance, monumentation, signaling
- Selection of traverse stations
- Types of monumentation
- Construction of monuments
- D-Cards and traverse sketches
Angle Measurement
- Horizontal angles
- Zenith/vertical angles
- Bearing computation
Distance Measurement
- Tape measurement
- Subtense bar
- Stadia method
- EDM measurement
- Recording, computation and plotting
- Field precautions
2.4 Errors and Adjustment in Traverse
- Types and sources of errors
- Traverse adjustment methods:
- Bowditch Rule
- Transit Rule
- Graphical Method
- Axis Rule
📚 Unit 3: Triangulation – 18 Hrs
3.1 Introduction
- Definition, purpose, principle, scope
- Types of triangulation figures and stations
- Classification and specifications
- Strength of figure
3.2 Field Procedure
- Reconnaissance and monumentation
- Signals
- Observation and recording
- Computation and adjustment
- Field precautions
3.3 Errors and Adjustment
- Types and sources of errors
- Accuracy assessment
- Error adjustment methods
📚 Unit 4: Trilateration – 6 Hrs
- Definition and principles
- Purpose and scope
- Field operation steps:
Reconnaissance
Monumentation
Observation
Recording
Computation
Adjustment
-
Field precautions
📚 Unit 5: Resection and Intersection – 6 Hrs
- Definition and principles
- Purpose and scope
- Field operation steps:
Reconnaissance
Monumentation
Observation
Recording
Computation
Adjustment
-
Field precautions
🧪 Practical / Laboratory Work – 135 Hrs
✔️ Levelling Practical – 40 Hrs
Field Work:
- Collimation checking
- Reconnaissance and benchmark establishment
- Levelling fieldwork (different methods)
- Profile computation and plotting
- Cross-section and profile levelling
- Reciprocal levelling
✔️ Traverse Survey Practical – 60 Hrs
Field Work:
- Instrument checking
- Reconnaissance and monumentation
- Theodolite/Total Station traverse (open & closed loop)
- Computation, adjustment and plotting
✔️ Triangulation, Trilateration, Resection & Intersection – 35 Hrs
Field Work:
- Reconnaissance and monumentation
- Observation and recording
- Computation and adjustment
📖 Recommended Reference Books
📚 Surveying Vol. 1 & 2 – Dr. K.R. Arora
📚 Surveying Vol. 1 & 2 – Dr. B.C. Punmia
📚 Textbook of Surveying & Levelling – R. Agor
📚 Levelling Instruction Book – Survey Department of Nepal
📚 Triangulation Instruction Book – Survey Department of Nepal
📊 Evaluation Scheme (Final Exam)
| Unit | Content | Hours | Marks |
|---|---|---|---|
| 1 | Levelling | 30 | 30 |
| 2 | Traverse | 30 | 30 |
| 3 | Triangulation | 18 | 10 |
| 4 | Trilateration | 6 | 5 |
| 5 | Resection & Intersection | 6 | 5 |
| Total | — | 90 | 80 |
📌 Note: Minor variations may occur in marks distribution.
📂 Download Control Survey PDF
📘 SYLLABUS – Download PDF
📘 Unit 1: Levelling – Download PDF
📘 Unit 2: Traverse – Download PDF
📘 Unit 3: Triangulation – Download PDF
📘 Unit 4: Trilateration – Download PDF
📘 Unit 5: Resection & Intersection – Download PDF
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