Surveying & Levelling I
- Introduction
- Surveying instruments; chains, tapes, steel bands, their types & uses.
- Chain Surveying
- Ranging & Chaining of Survey lines. Field work & Plotting of Chain survey
- Compass Surveying
- Prismatic Compass& Surveyor compass
- Uses, Bearings, Local attraction, Fieldwork & Plotting.
- Plane Table Surveying
- Parts and accessories. Methods of surveying. Two-point and three-point problems.
- Leveling
- General principle. Types of levels and their temporary and permanent adjustments. Methods of levelling. Reduction of levels, Precise levelling and Trigonometric Leveling.
- Theodolite.
Types and uses of theodolites. Temporary and permanent adjustments. Measurement of horizontal and vertical angles.
- Tacheometrical surveying
- Methods of tacheometrical surveying. Field work and computation
Traversing
Traversing with prismatic compass, theodolite and plane table, computations and adjustments of traverse, transformation of Co-ordinates
Omitted Measurements
Calculation of Areas and Volumes
- Earthwork calculations. D.M.D. method, Simpson rule and trapezoidal rule.
Labs
- Practice on measurement of distances and introduction to measuring instruments
- Chain Surveying and plotting
- Compass Traversing
- Plane Table by methods of radiations and Intersections
- Two Points Problem
- Three Points Problem
- Level adjustments by two-peg method.
- Profile and Cross-Sectioning
- Theodolite traversing
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