In a parabolic vertical curve, the rising grade g1 = +0.80percentage and the falling grade g2 = 0.70%. The rate of change of grade is 0.05 per chain. The length of the vertical curve is

30 chains

Civilboss Topics

RSS Error: A feed could not be found at `https://civilblogging.com/`; the status code is `403` and content-type is `text/html; charset=UTF-8`