SYLLABUS FOR THE TRADE OF SURVEYOR UNDER CRAFTSMEN TRAINING SCHEME
Syllabus from 64th week to 81st week
Weekwise Syllabus: 64 ,65 ,66 ,67-68 ,69, 70-72 ,73 ,74 ,75 ,76 ,77-78 ,79-81
COUNTOURING OF TOPOGRAPHIC SURVEY :
| Week No. | Practical |
Trade Theory |
Workshop Cal. and Science |
| 64 | Contouring by spot level method including interpolation |
Topographic survey and principles – instruments and accessories used in topographic survey contours and their characteristics. |
Surface area and volumes of sphere. |
| 65 | Contouring by cross section method including interpolation of contours ( grid methods) |
Vertical intervals horizontal equivalents methods of dertermining contours- comparison of different methods and their appliaction. |
Surface area and volume of cone. |
| 66 | Direct contouring using levels for vertical control plane table and telescopic alidade for horizontal control. |
Interpolation of contours by different methods and preparing contour maps- prepration of field record for topographical surveys – height, book height tracing and colour trace. |
Revision of whole mensuration work. |
| 67 – 68 | Conducting topographic survey of undulated area by theodolite triangulation and plane table resection and intersection method using Indian Pattern Clinometer. |
Different methods of finding area irregular figures- planimeter – its principles, construction use of precautions working out problems of areas by using planimeter enlarging and reducing of –plans use of proportions compasss and pantographs and their parts. |
Elementary theory of light. |
| 69 | Carrying out topographical survey with the help of theodolite level and tape of a site of reservoir cross sectional drawing of different canals. |
Irrigation : types of supply of water- rain fall attachment areas run off over best site for construction a reservoir , water spread area factors affecting the consideration of the height of dam and capacity of reservoir. |
Laws of reflection, refraction mirrors and lens. |
| 70-72 | SURVEY CAMP : In any suitable hilly place 3 week carrying out contour survey of a small area by tachometer working out proposed alignment on contoured maps ( project work ) on various curves and calculation , marking of alignment of road on it. |
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Properties of mirrors and lenses acromatic combination of lenses description and use of optical instruments such as telescopic sextants etc. |
ACHIEVEMENTS : THE TRAINEE WILL BE –
1. ABLE TO CONTOUR AN AREA BY SPOT LEVELS, CROSS LEVELS METHODS AND BY SIMPLE TACHEOMETRY AND INTERPOLUTE AND CONTOURS.
2. ABLE TO USE OF Indian pattern CLINOMETER ABNEY LEVEL TELESCOPIC ALIDADE IN CONJUCTION AND WITH PLANE TABLE AND THEODOLITE TO CARRY OUT TOPOGRAPHIC SURVEY.
3. ABLE TO SET OUT A SIMPLE CURVE BY CHAIN AND OFF SET METHODS AND DEFLECTION METHODS WITH AND WITHOUT OBSTACLE.
4. ABLE TO SET OUT COMPOUND AND TRANSITION CURVES WITH THEOLODILITES
5. ABLE TO USE PLANIMETER AND PANTOGRAPHS.
6. ABLE TO SET OUT A VERTICAL CURVE.
| 73 | Setting out of simple curves by chain and tape with different methods setting out of curves by deflection methods with and without obstacles. |
Working problems on simple curves by chain and tape offset method and successive by section of arch |
Properties of mirrors and lenses, acromatic combination of lenses, description and use of optical instruments such as telescope sextant etc. |
| 74 | Setting out of a compound curves, transition curves with theodolity |
Compound curves working problems on compound curves and types of transition curves |
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| 75 | Setting out of vertical curves |
Different types of vertical curves and its working problems |
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| 76 | Reducing and enlarging the plain by pantograph and area by planimetre |
Parts of pantographs and planimeter with their uses |
As week no. 75 |
| 77 to 78 |
Measurement off-set of obstructed lines, measurement of field both in the triangle and off-set system base line system, fixing, missing, land demarcation |
Methods of taking off-sets on obstructed lines and offset lines, field measurement in triangle and offset system, Method of fixing survey maps on boundaries |
Some common terms from astronomy essential for surveyor |
| 79 to 81 |
To find the true north by observing stars and sun (current) with the help of nantical almanau. |
Astronomical surveying introduction. Definition of spherical triangle. observation of sum and stars, calculation for a Azimuth and time, coordinate system and its conversion of mean solar time into side real time or vice versa. Determination of the meridian and Azimuth |
Load, elongation, stress and strain, hook’s law.
Astronomical triangle |
ACHIEVEMENT TEST : THE TRAINEES WILL BE –