InterviewSolution
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General procedure in making a chain survey |
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Answer» Answer: Procedure in chain survey
Reconnaissance: The preliminary inspection of the area to be surveyed is called reconnaissance. The surveyor inspects the area to be surveyed, surveyor prepares index sketch or key plan. Marking Station: Surveyor fixes up the required no stations at places from where maximum possible stations are possible. Some of the methods USED for marking are: Fixing RANGING poles Driving pegs Marking a cross if the ground is hard Digging and fixing a stone. Then he selects the way for passing the main line, which should be horizontal and clean as possible and should PASS approximately through the center of work. Then ranging roads are FIXED on the stations. After fixing the stations, chaining could be started. Make ranging wherever necessary. Measure the change and offset. Enter in the field the book.
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