Boiler Tube Meltdown… At Sea
Boiler tube-melt down in shore-based industry can be repaired easily. Have you ever wondered how melted boiler tubes have been repaired onboard in mid-ocean without any assistance? Read here to…
Data Communication & Computer Network
Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to…
Site Setting Out Survey
The method of setting out is the reverse of surveying process. The process involves the positions and levels of building lines and road alignments shown on the construction plans to…
Methods of Contouring
Contouring needs the determination of elevation of various points on the ground and at the same the horizontal positions of those points should be fixed. To exercise vertical control levelling…
Advantages & Disadvantages of Plane Table Survey
1. Meaning of Plane Table Surveying: Plane table Surveying also called plane tabling, is a method of surveying in which field-work and office work are done simultaneously on a plane…
Surveying and Leveling
Contour Interval The vertical distance between any two consecutive contours is known as a contour interval. For example, if the various consecutive contours are 100m, 98m, 96 m etc., then…
Correction for curvature & Refraction
For long sights and accurate levelling work, the effects of curvature of the earth and refraction of the line of sight shall have to be taken into consideration. Due to…
DIFFERENT TYPES OF LEVELS
(1). The Dumpy Level: The telescope of the dumpy level is rigidly fixed to its supports. It cannot remove from its supports nor can it be rotated about its longitudinal axis.…
Leveling & Contouring: Definitions
Definition: A line joining points of equal elevations is called a contour line. It facilitates depiction of the relief of terrain in a two dimensional plan or map. Characteristics of…
Other uses of theodolite in surveying
To measure something from closely we might need a theodolite. This instrument really needed for building constructional work. In the field of civil engineering, workers need this to measure each…
