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A -2.5% grade is connected to a +1.0% grade by means of a 180 m vertical curve. The P.I. station is 100+ 00 and

A -2.5% grade is connected to a +1.0% grade by means of a 180 m vertical curve. The P.I. station is 100+ 00 and the P.I. elevation is 100.0 m above sea level. What are the station and elevation of the lowest point on the vertical curve?

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