Removal and replacement of the mooring dolphins at the Corps’ Fountain City Service Base near Fountain City WI. This project includes the removal and disposal of the current mooring dolphins and the construction and installation of new mooring dolphins for the Corps’ marine vessels. The North American Industry Classification System (NAICS) code for this project is 237990 - Other Heavy and Civil Engineering Construction, w ith a size standard of $39.5M. The estimated magnitude of construction is betw een $1,000,000  and $5,000,000. This procurement is set-aside 100% for small business. Payment and Performance Protection is required in accordance w ith FAR Part 28.