# Surveying- I

 Course Code : 13A01302 Author : uLektz University : Jawaharlal Nehru Technological University, Anantapur (JNTUA) Regulation : 2013 Categories : Civil Format : ePUB3 (DRM Protected) Type : eBook

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Description :Surveying- I of 13A01302 covers the latest syllabus prescribed by Jawaharlal Nehru Technological University, Anantapur (JNTUA) for regulation 2013. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT I:BASIC CONCEPTS

1.1 Surveying – History; Definition - Primary Divisions, Classification - Principles Of Surveying Plan And Map

1.2 Basic Measurements; Instruments And Basic Methods - Units Of Measurement - Scales Used For Maps And Plans, Duties Of a Surveyor

1.3 Errors: Accuracy And Precision Sources And Types Of Errors - Theory Of Probability - Rounding Of Numbers

1.4 Chain Surveying: Instruments For Chaining, Ranging Out - Chaining a Line On a Flat Ground - Chaining On An Uneven Or a Sloping Ground; Chain & Tape Corrections - Degree Of Accuracy

1.5 Principles Of Chain Surveying; Basic Definitions - Well-Conditioned Triangle, Field Book, Field Work - Offsets, Cross Staff Survey - Obstacles In Chain Survey-Problems, Conventional Signs

###### UNIT II:COMPASS SURVEY

2.1 Introduction, Bearings And Angles - Designation Of Bearings - Conversion Of Bearings From One System To The Other - Fore Bearing And Back Bearing, Calculation Of Bearing From Angles

2.2 Theory Of Magnetic Compass (i.e. Prismatic Compass) - Temporary Adjustments Of Compass- Magnetic Declination - Local Attraction-Related Problems-Errors In Compass Survey

2.3 Plane Table Surveying: Introduction - Accessories, Working Operations -

2.4 Methods Of Plane Tabling - Three Point Problem-Mechanical Method - Graphical Method - Two Point Problem, Errors In Plane Tabling

###### UNIT III:LEVELLING

3.1 Introduction, Basic Definitions - Methods Of Leveling

3.2 Leveling Instruments: Dumpy Level - Levelling Staff - Temporary Adjustments Of Dumpy Level - theory Of Simple And Differential Leveling - Level Field Book

3.3 Classification Of Direct Leveling Methods - Reciprocal Leveling - Profile Leveling And Cross Sectioning - Curvature And Refraction - Difficulties In Leveling - Errors In Leveling - Degree Of Precision

3.4 Contouring: Introduction - Contour Interval - Characteristics Of Contours Methods Of Locating Contours - direct And Indirect Methods

3.5 Interpolation And Sketching Of Contours, Contour Gradient - Uses Of Contour Maps

###### UNIT IV:THEODOLITE

4.1 Vernier Theodolite: Basic Definitions - Fundamental Lines And Desired Relations - temporary Adjustments

4.2 Measurement Of a Horizontal Angle - Repetition And Reiteration Methods Of Horizontal Angle Measurement

4.3 Measurement Of Vertical Angle - Sources Of Errors In Theodolite Survey

4.4 Traverse Surveying: Introduction - Selection And Marking Of Traverse Stations - Methods Of Traversing, Traversing By Free Needle And Fast Needle Method - Traversing By Direct Observation Of Angles

4.5 Checks In Closed Traverse, Closing Error - Methods Of Balancing The Traverse - Gale’s Traverse Table, Omitted Measurements

###### UNIT V:COMPUTATION OF AREAS AND VOLUMES

5.1 Methods Of Determining Areas - Areas By Sub- Division Into Triangles

5.2 Areas From Offsets To a Base Line: Regular And Irregular Intervals - Area By Double Meridian Distances, Area By Co-Ordinates.

5.3 Embankments And Cutting For a Level Section - Two Level Sections, Three Level Section And Multi Level Section, Volume Of Earth Work From Contour Plan - Capacity Of a Reservoir , Volume Of Barrow Pits.

5.4 Minor Instruments: Uses And Working Of The Minor Instruments: Hand Level, Line Ranger, Optical Square, Abney Level, Clinometers, Pantagraph, Sextant And Planimeter