Question

Given: L = 300 feet, g1 = -3.2 percent, g2 = +1.8 percent, PVI at 30+30 with elevation = 465.92 feet. A) Where, and at what elevation, would you locate a catch basin to handle drainage? B) If a pedestrian overpass is to be located between Sta 30+82 and Sta 31+02, and the AASHTO (2011) desirable clearance height of 16.50 feet is provided, what elevation should the lowest chord of the pedestrian bridge be designed for?

Answer 1