1.A 1600ft long sag vertical curve(equal tangent) has a PVC at station 120+00 andelevation of 1500 ft.the initial grade is -3.5% and the final grade is +6.5%.detemine the elevation and stationing of the low point,PVI and PVT
2.Assuming the alternatives are replaced at the end of their life, determine the better alternative using annual cash flow analaysis at an intrest rate of 10% Alternative A B Cost BD 4,000 BD 6,000 Annual Cost 1,000 500 Annual Benefit 2,000 2,200 Life (years) 4years 10years Salvage Value $3,000 $1,000
3.A horizontal curve on a single lane highway has its pc at station 124+10 and its pi at station 131+40.the curve has a super elevation of 0.06 and its designed for 70 mi/hr.what is the station of the pt" is pending