. A five-sided closed traverse was surveyed over the stations ABCDE. at each station, the back bearing of the previous course and the forward earing of the next course were observed, on a compass, with the ollowing results. Compute the forward bearings for all five courses, orrected for local attraction. Compass Sta. A A B B C C D D E E Point Sighted E B A C B D с E D A Bearing S 88°30' E S 22°15' E N 22°45' W $ 40°15' E N 40°15' W N 51°45' E S 50°15' W N 31°45' W $ 32°15' E N 89°00' W Suggestion: Draw a sketch of the traverse and, at each station, indicate the direction of the magnetic meridian and the relative direction of the compass needle as affected by local attraction.
. A five-sided closed traverse was surveyed over the stations ABCDE. at each station, the back bearing of the previous course and the forward earing of the next course were observed, on a compass, with the ollowing results. Compute the forward bearings for all five courses, orrected for local attraction. Compass Sta. A A B B C C D D E E Point Sighted E B A C B D с E D A Bearing S 88°30' E S 22°15' E N 22°45' W $ 40°15' E N 40°15' W N 51°45' E S 50°15' W N 31°45' W $ 32°15' E N 89°00' W Suggestion: Draw a sketch of the traverse and, at each station, indicate the direction of the magnetic meridian and the relative direction of the compass needle as affected by local attraction.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. A five-sided closed traverse was surveyed over the stations ABCDE.
At each station, the back bearing of the previous course and the forward
bearing of the next course were observed, on a compass, with the
following results. Compute the forward bearings for all five courses,
corrected for local attraction.
Compass Sta.
A
A
B
B
C
C
D
D
E
E
Point Sighted
E
B
A
C
B
D
C
E
D
A
Bearing
S 88°30' E
S 22°15' E
N 22°45' W
S 40°15' E
N 40°15' W
N 51°45' E
S 50°15' W
N 31°45' W
S 32°15' E
N89°00' W
Suggestion: Draw a sketch of the traverse and, at each station, indicate
the direction of the magnetic meridian and the relative direction of
the compass needle as affected by local attraction.
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