Specifications include, but are not limited to: Improvements to the existing detention basin just west of 300 West at about 5750 South including excavation and grading of the basin to increase capacity, the removal of existing control structures, and the construction of inlet and outlet structures; installation of about 350 feet of 48 inch steel pipe under private property as well as UTA Right-of-Way (TRAX) using trenchless method, 350 feet 42 inch DR 32.5 HDPE pipe installed in the 48 inch steel pipe, installation of about 350 feet of 48-inch RCP storm drain pipe , 320 feet of 36-inch RCP storm drain pipe, 250 feet of 24-inch RCP storm drain pipe, 70 feet of 18-inch RCP storm drain pipe in Utahna Drive. The project also includes the installation of manholes, inlet and combo box