DESCRIPTION OF LOCATION Marseilles Lock and Dam is located southwest of Marseilles, Illinois, near Illini State Park. Marseilles Lock is 244.6 miles above the confluence of the Illinois River with the Mississippi river at Grafton, Illinois, at the foot of Bells Island. Marseilles Dam is 2.5 miles upstream of the lock at the head of Bells Island. DESCRIPTION OF REQUIREMENT The Government has a requirement for rehabilitation of lock components at Marseilles Lock and Dam. The project will include replacement of the Lock electrical system. The work includes, but is not limited to, installation of new ductbanks, construction of an extensions to the existing Maintenance Building and Central Control Station (MBCCS), construction of a new metal building enclosure, installation of a new generator and compressors, new bubbler piping, installation of a new manhole on the riverwall side, and installation of a new motor control center (MCC). Marseilles Lock Electrical Rehabilitation at Marseilles Lock and Dam, LaSalle County, Illinois NAICS: 237990 SIZE STANDARD: $45,000,000 ESTIMATE RANGE: BETWEEN $5,000,000 AND 10,000,000 CONTRACT COMPLETION: 700 CALENDAR DAYS UNRESTRICTED, INVITATION FOR BID ALL QUESTIONS SHALL BE SUBMITTED VIA PROJNET. SEE CLAUSE MVR.02 FOR ADDITIONAL INFORMATION Technical inquiries and questions relating to this solicitation are to be submitted via Bidder Inquiry in ProjNet at (https://www.projnet.org) No Later Than (NLT) 24 July 2023, 10:00 AM CST. To submit or review inquiry items, prospective vendors will need to use the Bidder Inquiry Key presented below and follow the instructions listed below the key for access. A prospective vendor who submits a comment /question will receive an acknowledgement of their comment/question via email. Another email to the same address will notify the prospective vendor once the reply is available for viewing. The Bidder Inquiry Key is: K3E5RY-5H3T84 *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. Make arrangements at least 24 hours in advance of the prebid meeting with: Mr. Jeremy Oster Rock Island District Eastern Area Office U.S. Army Corps of Engineers 4808 N. Sheridan Road Peoria, IL 61614 O: 309.637.1321Ext. 6807 (Collect calls are not authorized)