Category Agri Engineering

Watershed Management

Definition: “Watershed management is a concept which recognizes the judicious management of three basic resources of soil water and vegetation, on watershed basis, for achieving particular objective for the well being of the people”. It includes treatment of land most…

Instruments used in Surveying

Instruments Used for Measuring Distance: 1. Chain  Metric chain Steel band chain Günter’s Chain Revenue Chain Engineers chain 2. Arrows (chain pins) 3. Tapes Cloth or linen Tape Metric Woven Metallic Tape Metric steel Tape Invar tape. Synthetic Tape. Wooden…

Method of Measuring Distance

Direct Method of Measuring Distance. Competitive Method Direct Method of Measuring Distance  1. Pacing: Where approximate result is required, distance may be determined pacing. This method is used for reconnaissance survey, for preparation of military plans. Also used for approximate checking…

Ranging out Survey Line

In measuring the length of a survey line called chain line, it is necessary that the chain should be laid out on the ground in a straight line between the end stations. Ranging: “The process of establishing intermediate point on…

Chain Survey

Chain survey is the simplest method of surveying. In this survey only measurements are taken in the field, and the rest work, such as plotting calculation etc. are done in the office. This is most suitable adapted to small plane…

Cross Staff Survey

This type of survey is undertaken to locate boundaries of a field or a field or plat and determinations of its area. Principle: The principle of the survey is to divide the given area in to no of right angled…

Plane Table Surveying

Plane table is a graphical method of surveying in which the field works and the plotting is done simultaneously. It is particularly adopting in small mapping. Plane table surveying is used for locating the field computation of area of field.…

Introduction to Surveying

Surveying: It is the art of determining the relative positions of different object on the surface of the earth by measuring the horizontal distance between them and by preparing a map to any suitable scale. Thus, in this process, the…