ENCE203
Engineering Survey II
Syllabus
- Traversing and Area Calculation (8 hours)
- Needs, significance and types of traversing
- Specification for horizontal and vertical control of traverse
- Fieldworks for traversing and traverse field notes
- Traverse computation
- Plotting of traverse, concept of map integration
- Field problems and instructions
- Area calculation by coordinate and double meridian distance method
- Indirect Leveling and Contouring (5 hours)
- Principle of plane trigonometric surveying
- Determination of heights and distances of inaccessible objects
- Reciprocal trigonometrical leveling
- Instruction on field works
- Introduction to contouring
- Establishment of controls
- Contour interval and characteristics of contour
- Methods of locating contours
- Interpolation of contours
- Uses of contour maps
- Volume calculation by average-end-area and prismoidal methods
- Orientation and Field Astronomy (5 hours)
- Introduction to datum system
- Analytical intersection and resection
- Two points and three-point resection and their significance
- Instruction on field application
- Introduction of astronomy, definition of terms
- Geographical coordinate system
- Map projection system of Nepal
- Use of astronomy in surveying and mapping
- Route Survey (10 hours)
- Types of curves and their uses
- Simple circular curves and elements
- Layout of simple circular curve by linear and angular method
- Transition curve, characteristics, types and its elements
- Layout of transition curve by linear and angular method
- Elements of composite curves and setting out techniques
- Vertical curve, requirements, equation of parabolic curve
- Vertical curve layout by parabolic method
- Photogrammetry and Drone Surveying (5 hours)
- Photogrammetric as a branch of surveying
- Scale of vertical photograph, relief displacement
- Merits and limitation of photogrammetry
- Drones and their development; drone types
- Drone regulation in Nepal and flight permission
- Features of drone mapping and surveying
- Drone survey planning and techniques
- Post processing and data analysis of drone survey
- Application of drone survey
- Geospatial Technologies in Civil Engineering (4 hours)
- Global positioning system (GPS)
- Components, working principles and uses of GPS
- Differential GPS and its uses in civil engineering for mapping
- Instructions to field applications
- Types of remote sensing and electromagnetic radiation (EMR)
- Interaction of EMR with earth surface features
- Field application and instruction of remote sensing
- Geographic information system (GIS) and types of GIS
- Application of GIS to civil engineering projects
- Hydrographic Surveying (4 hours)
- Hydrographic survey, its terminology and application
- Vertical and horizontal control
- Measurement of depth and velocity of flow and discharge
- Location of a point by orientation
- Specialized Civil Engineering Surveys (4 hours)
- Principle, stage and requirements of setting out
- Horizontal and vertical control for setting out works
- Building setting out by linear and angular method
- Bridge and sewer line layout work
- Norms and standards for road alignment survey
- IP and corridor method of alignment surveying
- Basics of tunnel surveying
- Uses of gyroscope for tunnel surveying
- Methods of transferring centerline in tunnel
- Basics of water supply and canal surveying
Practicals
- Traverse survey using total station
- Intersection and resection
- Trigonometric leveling
- Contouring
- Curve setting out
- Building layout
- DGPS control establishment
- Drone surveying with image processing
- GPS/GIS demonstration
- Photogrammetry lab visit