How to figure out a stationing problem in Surveying land?

I'm in an Elementary Surveying Class, and last week we went over some stuff on surveying but I can't get this question using the notes I got so I'm gonna see if anyone our here can help me.





I was given 2 stations on a horizontal line. One station was called Sta 10+00, the other is Sta 17+46.32 how do you figure out the distance between? I was also given a manhole that is 112.43ft to the east of Sta 17+46.32 how do I figure out the station of the manhole?

How to figure out a stationing problem in Surveying land?
The number to the left of the "plus" is the number of even chain lengths. For american work, a chain is usually 100 feet long. so the distance from sta 10+00 to 17+.... is 700 feet plus a remainder. In the example the remainder is 46.32 feet, making the distance 746.32 feet. In the old days, measuring a line required setting a pin every chain pull, or 100 feet, so the terminology of stations was common. The rear chain man would pull the pin after each measure, so when the destination was reached, the total distance was the number of pins the rear chainman had times 100.





I am not sure if the direction "east" represents an increase or decrease in the line of stations. Assuming an increase, 112.43 feet is 1 complete chain plus a remainder of 12.43 feet. Add 1 to the station number 17 and then combine the remainders, 18 + 58.75. If the direction instead back-tracks toward sta 10 + 00 then you would subtract the distances making it 16 + 33.89
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