What are the essential features of a cadastral plan?

Cadastral Maps

The name of the grantor or grantee.
A sequential title number.
The volume and folio numbers on which the plot is registered.
The name of a farm or locality with an individual plot number.
The registration block and individual plot numbers.
A post office address.
A street index reference and parcel number.

What are cadastral maps and plans?

Cadastral or parcel mapping data depicts the location of survey plans and shows the boundaries of surveyed parcels, which may include: Easements and Rights-of-way. Subdivisions. Descriptive plans (metes and bounds)

What does a cadastral map show?

For example, a cadastral map is a map showing the parcels and ownership information for a given area. The term cadastre is a noun that refers to a dataset that contains the property information such as metes and bounds, dimensions, and property owner details.

What are the uses of cadastral maps?

The cadastral map has four main purposes:

Provides a cartographic record of official and sometimes private land surveys and subdivisions.
Facilitates the administration and transfer of land ownership.
Records land ownership.
Assists in the valuation and taxation of land.

What is the meaning of Cadastral?

1 : of or relating to a cadastre. 2 : showing or recording property boundaries, subdivision lines, buildings, and related details.

Why do we need cadastral surveying?

Cadastral surveys area important for the better management of land as it establishes the extent of each land surveyed. The size, location and other attributes of land are used in the assignment, processing and transfer of interests in land, levying land tax, supporting land markets, etc.

What is the meaning of Cadastral Survey?

Survey relating to land boundaries and subdivisions, made to create or to define the limitations of a title, and to determine a unit suitable for transfer. Includes surveys involving retracements for the identification, and resurveys for the restoration, of property lines.

What is the meaning of topography?

1a : the art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevations. b : topographical surveying.

What is an example of a topography?

Topographical Features Examples include mountains, hills, valleys, lakes, oceans, rivers, cities, dams, and roads. Elevation – The elevation, or height, of mountains and other objects is recorded as part of topography. It is usually recorded in reference to sea level (the surface of the ocean).

What is natural topography?

Natural topography means the elevation of a parcel of land prior to any human modification of the topography. Natural topography or “natural grade” means the elevation of a parcel of land prior to any human modification of the contours and physiography.

What are the three main types of topography?

Topography Types

Karst Topography. Karst topography describes the distinct landscape that is made when underlying rocks dissolve or change shape.
Mountain Topography. Topographical maps show landforms such as hills and mountains.
Vegetation, Elevation and Glaciers.

What are the topographic features?

Topography is the shape and arrangement of physical features on a surface. In the case of geothermal exploration, horst and graben topography or volcanoes may indicate underlying structures and their associated processes that may be conducive to the development of geothermal systems.

How do you determine topography?

A classic and familiar example of the output of measuring terrain is a topographic map, showing with its contours and shading the heights and lows of the country. Measure the heights and depths of the terrain. A topographic map’s contour lines derive from regularly measured or extrapolated elevations.

How do you read topographic lines?

How To Read Contour Lines

Index lines are the thickest contour lines and are usually labeled with a number at one point along the line.
Intermediate lines are the thinner, more common, lines between the index lines.
Supplementary lines appear as dotted lines, indicating flatter terrain.

What is the space between contour lines called?

The space between the contour lines is called the contour interval and represents a specific (set) distance. If the contour interval is 50 feet, the vertical space between the two contour lines is 50 feet.

What is contour line?

Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. Numbers on the lines give the height in feet. (Sea level is zero.) Lines drawn closely together indicate that a slope is steep.

What is the purpose of a contour line?

The purpose of contour lines is to represent the tridimensional shape of the terrestrial surface on a bidimensional map. Contour lines are the intersection of an horizontal plane parallel to the reference level and the topographical surface to describe. Consequently: Contour lines are always closed curves.

What are the features of contour lines?

Characteristics of Contours

Must close on themselves, on or off the map.
Perpendicular to the direction of max.
Slope between them is assumed uniform.
The distance between them indicates the steepness of the slope, gentle or steep.
Irregular signify rough, smooth signify gradual slopes.
Concentric closed contours: hills or depression.

Can contour lines intersect?

Contour lines can never cross one another. Each line represents a separate elevation, and you can’t have two different elevations at the same point.

What is contour in civil engineering?

Contour. An Imaginary line on the ground surface joining the points of equal elevation is known as contour. In other words, Contour is a line in which the ground surface is intersected by a level surface obtained by joining points of equal elevation. This line on the map represents a contour and is called Contour line.

What are the methods of contouring?

There are two methods of locating contours:

Direct method.
Indirect method.
Direct method- In direct method contour to be plotted is actually traced on the ground.
Procedure- The work is started from BM and the level is set up at the centre of the area.

How many methods of contouring are present?

2 methods

How do you contour a survey?

Direct Method: In this method, the contours to be located are directly traced out in the field by locating and making a number of points on each contour. These points are then surveyed and plotted on plan and the contours drawn through them.

What is contour interpolation and its method?

Contour surveying. Interpolation of contour. Interpolation of the contours is the process of spacing the contours proportionately between the plotted ground points established by indirect methods. The methods of interpolation are based on the assumption that the slope of ground between the two points is uniform.

What is radial contouring?

Methods of Contouring Radial Line Method or Tachometric Method • In this method, a number of radial lines are set out at known angular interval (i.e. 15 0 or 30 0) at each station. The point are selected on a line depend on the nature of the ground surface. Instead of the level, a tachometer may be used.

How many categories of Levelling staff are there?

2 categories