SIA

CIVIL - DIPLOMA SBTET TS I YEAR / II SEM

engineering diploma sbtet ts civil ts

Polytechnic (Diploma) II-Semester (SBTET-TS) (C18) Common to ALL Branches

Polytechnic (Diploma) II-Semester (SBTET-TS) (C18) Common to ALL Branches

SUBJECTS COVERED
1. Advanced English
2. Engineering Mathematics
3. Engineering Chemistry & Environmental Studies
4. Applied Physics
5. Advanced Engineering Drawing.

engineering diploma sbtet ts civil ts

Levelling Surveying, (DCE) (C18) SBTET-TS

Levelling Surveying, (DCE) (C18) SBTET-TS

Syllabus

UNIT-I
INTRODUCTION TO LEVELLING: Levelling – Types of Levelling Instruments – Component Parts of a Dumpy Level and their Functions – Types of Levelling Staves – Definitions of Important Terms Used in Levelling – Level Surface, Level Line, Axis of Telescope, Line of Collimation, Back Sight, Fore Sight, Intermediate Sight, Change Point – Temporary Adjustments of a Dumpy Level – Bench Marks – Different Types of Bench Marks.
UNIT-II
CONCEPT AND CALCULATION OF REDUCED LEVELS: Booking of Readings in Field Book – Determination of Reduced Levels by Height Of Instrument and Rise and Fall Methods – Comparison of Methods – Problems – Problems on Missing Entries.
UNIT-III
ERRORS, PRECAUTIONS AND CORRECTIONS IN LEVELLING: Errors In Levelling – Personal, Natural and Instrumental Errors – Precautions – Errors Due to Curvature and Refraction and Combined Correction – Problems.
UNIT-IV
METHODS OF LEVELLING: Classification of Levelling – Detailed Description of Profile Levelling and Reciprocal Levelling – Problems on Reciprocal Levelling.
UNIT-V
PERMANENT ADJUSTMENTS OF A LEVEL AND CONTOURING: Permanent Adjustments of a Dumpy Level (Two Peg Method) – Contouring – Characteristics – Uses – Methods of Contouring : Squares Method, Cross Sections Method – Interpolation of Contours – Tracing Contour Gradient.
UNIT-VI
MINOR INSTRUMENTS: Uses and Working Principles of Pentagraph, Electronic Planimeter and Clinometer.