The U.S. Army Corps of Engineers (USACE), Rock Island District has a two-phase design-build requirement to design and remodel to the interior of the existing administrative building and visitor center building, and the design and construction of a new garage/additional space facility, to replace an existing facility that shall be demolished/removed for USACE at Coralville Lake near Iowa City, Iowa. The remodel of existing Administrative Office space should be a priority to get project personnel back into permanent office spaces as quickly as possible. Then the remodel of visitor's area of the building. There is an existing 3,700 SF garage/storage building is to be demolished/removed down to the concrete foundation. This structure shall be replaced by a building to be designed and constructed in a designated behind and attached to the existing Administration Building. The desire is to provide "State-of-the-Art" facilities that rival similar use facilities in the private sector, using energy efficient and sustainable design. The overall goal is to provide functional, secure, visually appealing facilities that are a source of pride for USACE and the Coralville Lake.#] CORALVILLE LAKE RANGER BUILDING AND ADMIN REPAIRS NAICS: 236220 - COMMERCIAL AND INSTIITUTIONAL BUILDING CONSTRUCTION SIZE STANDARD: $45,000,000.00 ESTIMATED RANGE: Between $5,000,000.00 and $10,000,000.00 ALL QUESTIONS SHALL BE SUBMITTED VIA EMAIL. SEE SECTION 0800 QUESTION AND ANSWER VIA EMAIL FOR ADDiTIONAL INFORMATION. OFFERORS ARE REMINDED THAT IN SECTION L.1.5, CONTRACT COST CEILING LIMITATION MUST NOT EXCEED THE IDENTIFIED AMOUNT. Technical inquiries and questions relating to this solicitation are to be submitted via email to the Contract Specialist, Mr. Bradley J. Grothus and the Contracting Officer, Mr. Chris Paitson at bradley.j.grothus@usace.army.mil and j.c.paitson@usace.army.mil no later than Friday, 15 September 2023, 12:00 PM CDT. Any questions received after that date, but before the proposal submission due date/time, may not be answered. Any questions received after the proposal submission due date/time will not be answered. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.