total station
DESCRIPTION
Total StationTRANSCRIPT
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CONTENTS:1. INTRODUCTION of total station. 2. ADVANTAGES of total station.3. DISADVANTAGES of total station.4. PRECAUTION TO BE TAKEN WHILE USING A
TOTAL STATION.5. Conclusion.6. Reference.
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TOTAL STATION
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INTRODUCTION TO TOTAL STATION
The main instrument for surveyors on site today is the “total station”. A total station is a combination of an electronic theodolite, an electronic distance measuring device (EDM) and a micro processor with memory unit. This combination makes possible to determine the coordinates of a reflector aligning the instruments cross hairs on the reflector and simultaneously measuring the vertical and horizontal angles and slope distances. A micro processor in the instrument takes care of recording, readings and the necessary computation.
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ADVANTAGES OF TOTAL STATION Quick setting of the instrument on the tripod using
laser plummet. On- board area computation programme to compute
the area of the field. Local language support. Full GIS creation(using mapinfo software). Automation of old maps. Greater accuracy in area computation. Graphical view of plots and land for quick
visualization.
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CONTI……. Integration of data base.
The area computation at any user required scale.
The field jobs are finished, the map of the area with dimensions is ready after data transfer
It’s reduce the time & also it’s measure up to 3 to 5 Km distance.
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DISADVANTAGES OF TOTAL STATION
1) It may be difficult for the surveyor to look over and check the work while surveying.
2) the instrument is costly. And conducting surveys using total station, skilled personnel are required.
3) for an over all check of the survey, it will be necessary to return to the office and prepare the drawings using appropriate software.
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PRECAUTION TO BE TAKEN WHILE USING A TOTAL STATION:
1) Use both hands to hold the total station handle.2) Set up the tripod as stable as possible.3) Do not move or carry a tripod with the total
station fixed on it, except for centering.4) Store the battery pack with the battery
discharged.5) Do not over tighten any of the clamp screws.6) Take maximum care when the tribrach is
removed from the total station.
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CONCLUSION• High precision .
It’s mantainence is more.
The instrument contains sensitive electronic assemblies which have been well protected against dust & moisture.
It’s easy to work . Compared to other instument.
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REFRENCEDr. H.S.Vishwanath, March 2011, surveying-
III
Dr. S.C. Rangawala. April 2010, Surveying III
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THANK YOU……