Prob. 2. Given are the stations and elevations of an unsymmetrical parabolic curve. Station Elevation 0+ 140 0+ 223.33 0 + 285.83 PC 100.00 m PI 90.00 m. PT 95.00 m. Determine a. the elevation at the top surface of a pipe laid perpendicular to the road if it needs to be buried 3.25 m. from the surface of the curve at station 0+240 .5 b. the depth of the ground cover of a concrete culvert at station 0+252 with top elev. of 148.5m c. the station and elevation at the lowest point on the curve.

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