The US Army Corps of Engineers Rock Island requires custodial services at the Thomson Causeway Recreation Area in Illinois for the Mississippi River Project. This work was previously combined with park attendant duties under a prior contract. The complete RFQ package consists of the solicitation and two attachments, which contain all necessary information for submitting a quote. Questions are due on April 10, 2026, and quotes are due on April 16, 2026. The location for service performance is the Thomson Causeway Recreation Area.