A vertical Summit parabolic curve has a vertical offset of 0.375m from the curve to the tangent grade at sta10 + 050. The curve has a slope of +4% and -2% grades intersecting at the P.I. The offset distance of the curve at P.I. is equal to 1.5m. If the stationing of the P.C. is at 10 + 000. a. Compute the required length of curve. b. Compute the horizontal distance of the vertical curve turning point from the point of intersection of the grades. c. Compute the elevation of the vertical curve turning point if the elevation of P.T. is 86.42m.

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Drainage of Pavements

Pavement Drainage holds ample significance, as it prevents the accumulation of water or any liquid on the surface of pavements and ensures proper drainage system. With proper design and gradual slopes provided, the water gets easily removed from the surface into the drains, which are essential during heavy rains and unusual weather conditions keeping it less prone to accidents and increasing the durability of the pavement structure.