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WEEK. NO. 27 & 28
- Reference Learning Outcome :- Make tropography map by contours with leveling instruments. (Mapped NOS: IES /N9413)
- Duration :- Professional Skill 56 Hrs.; Professional Knowledge 12 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
-
- Levelling:-
- Auto level , dumpy Level, Tilting Level – introduction, definition
- Principle of levelling.
- Levelling staffs, its graduation & types.
- Minimum equipment required
- Types,component / part and function.
- Temporary and permanent adjust ment, procedure in setting up.
- Leve l & horizontal surface. Datum Benchmark, Focussing & parallax
- Deduction of levels / Reduced Level.
- Types of leveling, Application to chain and Levelling Instrument to Building construction.
- Contouring ;-Definition, Characteristics, Methods.
- Direct and Indirect methods
- Interpolation of Contour, Contour gradient , Uses of Contour plan and Map.
- Knowledge on road project.
(12 hrs.)
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
- Levelling:- (03 hrs.)
- 66. Handling of levelling instruments & their settings(04 hrs.)
- 67. Temporary adjustment of alevel. (03 hrs.)
- 68. Simple levelling.
- 69. Differential levelling (Fly levelling). (03 hrs.)
- 70. Carry out Levelling field book. (03 hrs.)
- 71. Equate Reduction of levels – Height of collimation and Riseand Fall method – Comparisonof methods. (04 hrs.)
- 72. Solve problems on reduction of levels. (03 hrs.)
- 73. Calculate Missing data and how to fill it up–calculations &Arithmaticalcheckin various problems and its solution. (04 hrs.)
- 74. Practice leveling with different instruments. (04 hrs.)
- 75. Check levelling. (04 hrs.)
- 76. Profile levelling or Longitudinal, plotting the profile. (03 hrs.)
- 77. Surveying of a building site with chain and Levelling Instrument with a view to computing earth work. (04 hrs.)
- 78. Contour – Direct and Indirect methods. (03 hrs.)
- 79. Make Topography map, contours map. (04 hrs.)
- 80. Solve trigonometric problems. (03 hrs.)
- 81. Prepare a road project in a certain alignment. (04 hrs.)
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