It is required to drill a tunnel AD through a hill. An open traverse ABCD was...

Transcribed Image Text:

It is required to drill a tunnel AD through a hill. An open traverse ABCD was proposed to find the length and bearing of the tunnel. of point A is (103.048, 101.243) Coordinates web AB = 58° 20' 12" Details of the internal angles and horizontal distances obtained from the traverse surveying are shown in the table below. Taking station A as the origin of the traverse, complete the table below to determine the coordinates of station D Angle ABC BCD Degrees (*) WebAD 140 87 Observed angle Minutes () Horizontal LengthAD: 53 11 Seconds (") 33 m 8 Line AB Calculate the length and bearing of the tunnel. Enter your answers below: BC Degrees (*) wcb Minutes () Seconds (") Horizontal length (m) 21.096 77.559 66.833 ΔΕ Partial coordinates AN Total cordinates N Point A B C D It is required to drill a tunnel AD through a hill. An open traverse ABCD was proposed to find the length and bearing of the tunnel. of point A is (103.048, 101.243) Coordinates web AB = 58° 20' 12" Details of the internal angles and horizontal distances obtained from the traverse surveying are shown in the table below. Taking station A as the origin of the traverse, complete the table below to determine the coordinates of station D Angle ABC BCD Degrees (*) WebAD 140 87 Observed angle Minutes () Horizontal LengthAD: 53 11 Seconds (") 33 m 8 Line AB Calculate the length and bearing of the tunnel. Enter your answers below: BC Degrees (*) wcb Minutes () Seconds (") Horizontal length (m) 21.096 77.559 66.833 ΔΕ Partial coordinates AN Total cordinates N Point A B C D