Which one of the following survey is used to define the property line?
Cadastral survey
Understanding Different Types of Surveys
Surveying involves determining the relative positions of points on or near the surface of the Earth. Various types of surveys are conducted based on their purpose and the area being surveyed. Understanding these different types helps in identifying the appropriate survey for a specific task, such as defining property boundaries.
Analyzing Survey Options
Let's look at the types of surveys mentioned in the options:
- City survey: This type of survey is generally carried out in urban areas. It is used for planning street networks, drainage systems, water supply lines, property boundaries within the city, and other municipal infrastructure. While it can include property lines, its scope is broader within a city context.
- Cadastral survey: This specific type of survey is primarily concerned with establishing and re-establishing property lines or boundaries. It involves accurately measuring and mapping the dimensions and area of land parcels, creating or verifying legal boundaries, and often documenting ownership details. It is fundamental for land administration, property taxation, and resolving boundary disputes.
- Land survey: This is a very broad term that can encompass various activities related to measuring and mapping the Earth's surface. Cadastral surveys and topographical surveys are both specific types of land surveys. So, 'Land survey' is a general category rather than a specific type used *to define* property lines, although it's done *during* a land survey.
- Topographical survey: This survey focuses on mapping the natural and artificial features of an area, including elevation changes (relief), contours, buildings, roads, rivers, etc. It is used to understand the shape and features of the land but is not primarily focused on defining legal property boundaries.
Why Cadastral Survey Defines Property Lines
Based on the descriptions, the survey specifically designed and used for the purpose of defining property lines and boundaries is the Cadastral survey. It provides the legal framework for land ownership and property divisions. The output of a cadastral survey is typically a cadastral map or plan, which shows the boundaries, area, and identification details of individual land parcels.
Let's summarize the main purposes of these surveys:
| Survey Type | Primary Purpose |
|---|---|
| City Survey | Urban planning, infrastructure mapping, sometimes includes city property lines |
| Cadastral Survey | Establishing and re-establishing property boundaries, land area, ownership records |
| Land Survey | General term for measuring and mapping land (includes Cadastral and Topographical) |
| Topographical Survey | Mapping natural and artificial features, elevation, contours |
Therefore, when the objective is specifically to define or determine the legal boundaries of a property, a Cadastral survey is the most appropriate type of survey to be used.
Revision Table: Key Survey Types
| Survey | Focus | Used For |
|---|---|---|
| Cadastral | Property Boundaries | Defining legal property lines, land ownership records, taxation |
| Topographical | Terrain & Features | Mapping land shape, contours, natural/artificial features for planning/design |
| City | Urban Details | City planning, utilities, street layout, urban property lines |
Additional Information: Importance of Accurate Boundary Surveys
Accurate property boundary surveys, typically carried out as Cadastral surveys, are crucial for several reasons:
- They prevent or resolve disputes between neighboring property owners regarding boundaries.
- They are required for legal land transactions, such as buying, selling, or subdividing land.
- They are necessary for obtaining building permits to ensure construction stays within legal property limits.
- They provide essential information for property taxation and land administration.
- They help in planning land use and development projects correctly within legal boundaries.
Understanding the specific role of a Cadastral survey in defining legal property limits is key in land management and property law.
Important Questions from Fundamental Concepts
Which of the following statement is not correct for the principle of surveying?
The maximum error (mm) on the drawing should not be greater than _____.
Plumb bob lines at two different places in geodetic surveying will _____.
Calculate the length of one division of the vernier scale, if least count of the combination of main and vernier scale is 0.02 mm. The least count of the main scale is 1 mm.
Plumb bob lines at two different places in plane surveying are _____.
