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In chain surveying, a tie line is a straight line connecting two survey stations that helps in checking the accuracy of the survey measurements. It helps to ensure that the survey is properly oriented and that errors can be identified and corrected. Tie lines are important for maintaining the integrity and reliability of the survey data.
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What is tie line in survey?
A tie line is a line which joins subsidiary or tie stations to the main line. The main object of running a tie line is to take the details of nearby objects but it also serves the purpose of a check line.
How do you test a chain during chain survey?
To test the accuracy of a chain during a chain survey, you can compare its measured length to a known standard length. This can be done by measuring a baseline with the chain and then comparing it to a pre-measured baseline. Any discrepancies can indicate errors in the chain's length and need for adjustments.
What factors should be considered in deciding the stations of a chain survey?
When deciding the stations of a chain survey, factors to consider include the size and shape of the area being surveyed, accessibility of the stations, terrain conditions, accuracy requirements of the survey, and any existing landmarks or boundaries that can serve as control points for the survey.
What is the control line in a land survey?
The control line in a land survey is a reference line established through surveying techniques to control the positioning and orientation of survey measurements. It is typically a straight line connecting known points on the ground, used as a reference for conducting accurate measurements and creating an accurate map or plan of the surveyed area.
What is an end line survey?
An end line survey is a survey conducted at the conclusion of a project or program to assess its impact, outcomes, and effectiveness. It is used to gather feedback from participants or stakeholders to understand the success of the initiative and identify areas for improvement in the future.
What is tie line in survey?
A tie line is a line which joins subsidiary or tie stations to the main line. The main object of running a tie line is to take the details of nearby objects but it also serves the purpose of a check line.
What is the difference between oblique offset and perpendicular offset?
The measurements are taken at right angle to the survey line called perpendicular or right angled offsets. The measurements which are not made at right angles to the survey line are called oblique offsets or tie line offsets.
What is the importance of base line in chain surveying?
A baseline in chain surveying serves as a reference line from which other measurements are taken. It helps ensure accuracy and consistency in the surveying process by providing a known starting point for establishing the position of other survey points. The baseline also acts as a control measure to check for errors and adjust measurements if needed.
What factors should be considered in deciding the station of chain survey?
What are the factors you should considered in deciding the station of a chain survey
What is chain surveying as used in civil engineering?
chain surveying is one of the types of survey methods. It is used to survey short length lands
What are the four advantages of plane table survey over chain and compass survey?
1.useful in areas which are difficult to be accesed while chain survey is limited 2.less subjective to errors,in comparison to chain survey which subjected with errors such as change in chain length 3.useful in surveying a large area since it uses transverse(taking bearing from observer to an object ana vice versa is true) 4.it is accurate method for mapping,compare to chain survey
In land surveying how many feet are in a chain?
One chain = 66 survey feet.
How do you test a chain during chain survey?
To test the accuracy of a chain during a chain survey, you can compare its measured length to a known standard length. This can be done by measuring a baseline with the chain and then comparing it to a pre-measured baseline. Any discrepancies can indicate errors in the chain's length and need for adjustments.
What factors should be considered in deciding the stations of a chain survey?
When deciding the stations of a chain survey, factors to consider include the size and shape of the area being surveyed, accessibility of the stations, terrain conditions, accuracy requirements of the survey, and any existing landmarks or boundaries that can serve as control points for the survey.
In land surveying how long--in feet--is a chain?
One chain is equal to 66 survey feet.
What is a blue line survey?
A blue line survey is a survey to establish the property boundary. The property line that is drawn as a result of the survey is called the blue line. Another type OS survey that is sometimes done for finacing and many other reasons is an ALTA survey which not only establishes the boundary, but also researches and shows any easements or existing features on the property such as the building and other topographical features.
What is the obstacle of chain surveying?
One obstacle in chain surveying is the need for a clear line of sight between survey points, which can be challenging in areas with dense vegetation, buildings, or rough terrain. Additionally, inaccuracies can arise from errors in measurement and recording when using the chain and ranging rods.
