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An ascending grade of 4% and a descending grade of 2% intersect at STA 12+598 whose elevation...

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Civil Engineering

An ascending grade of4% and a descending grade of 2% intersect at STA 12+598 whoseelevation is at 518.99m. The two grades are to be connected by aparabolic curve, 160 long. Find the elevation of the first quarterpoint on the tangent and the summit of the curve.

a.)Determine theelevation of the summit.

b.)Determine thestation of the summit.

c.)Determine theelevation of the first quarter point on the tangent.

d.)Determine theelevation of the midpoint on the curve.

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