RS&H was responsible for engineering and design of airfield civil items associated with the new runway program and design and permitting of all major drainage elements of the runway program. Work included clearing and grubbing, drainage conveyance system, and embankment material in areas required for the construction of Runway 6R-24L and associated features. RS&H was responsible for hydrologic and hydraulic storm water design and erosion and sediment control design. RS&H performed a watershed analysis of entire Airport for existing and future conditions and coordinated with regulatory agencies for environmental resource permit. RS&H performed an analysis of groundwater elevations and hydraulic grade lines to determine proposed runway grades. We assisted in the development of design solutions and and associated permit applications.