3. Example

Determine the closing line's length and direction for the open traverse shown in Figure I-4..

Figure J-4
Open Traverse Example

 

a. Compute the latitudes and departures of the traverse lines

Line

Latitude

Departure

AB

-400.973'

-97.808'

BC

-83.759'

+508.092'

CD

+367.513'

-39.600'

 

b. Sum the latitudes and departures

Line

Latitude

Departure

AB

-400.973'

-97.808'

BC

-83.759'

+508.092'

CD

+367.513'

-39.600'

sums:

-117.219'

+370.684'

 

c. Determine the latitude and departure for the closing line

 

d. Then its length and direction