Reference no: EM132631482
TRAVERSE CLOSE ASSIGNMENT
A closed traverse was run from A to B, then C and back to A, with radiations made at B and C to Y and X respectively.
The diagram below showsthe reduced observations made at A and B and the field notes recorded when the theodolite was set up at C. When the distances were observed at C, the tape was placed on evenly sloping ground and the appropriate vertical angle observed.
Reduce the field notes made at C, in the spaces on the booking sheet.
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Calculate the angular misclose and the adjusted bearings of all the traverse lines and radiations.
Angular Misclose of traverse
Bearing of B-C Bearing of C-A
Bearing of B-Y Bearing of C-X
Traverse Close
Complete the traverse table to find the linear misclose, proportional accuracy of the traverse, the coordinates of all points and the bearing and distance of the line X-Y.
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Adjusted
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Horiz.
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D
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E
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D
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N
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CO-ORD
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INATES
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LINE
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Bearing
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Dist
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E (+)
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W (-)
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N (+)
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S(-)
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E
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N
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PT.
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100.000
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200.000
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A
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A-B
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B
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B-C
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C
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C-A
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A
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Misclose
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Linear Misclose =
Proportional Accuracy =
Radiations
Transcribe the coordinates you have calculated for C and B above, to these tables so you can calculate the coordinates of the radiated points.
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Adjusted
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Horiz.
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D
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E
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D
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N
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CO-ORD
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INATES
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LINE
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Bearing
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Dist
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E (+)
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W (-)
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N (+)
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S(-)
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E
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N
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PT.
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C
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C - X
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X
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Adjusted
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Horiz.
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D
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E
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D
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N
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CO-ORD
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INATES
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LINE
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Bearing
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Dist
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E (+)
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W (-)
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N (+)
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S(-)
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E
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N
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PT.
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B
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B - Y
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Y
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Missing Line Calculation
Transcribe the coordinates calculated from the radiation tables to this table to find the missing bearing and distance.
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Horiz.
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D
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E
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D
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N
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CO-ORD
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INATES
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LINE
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Bearing
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Dist
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E (+)
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W (-)
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N (+)
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S(-)
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E
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N
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PT.
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X
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Y
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