SOLICITATION NOTICE FOR UPPER DES PLAINES RIVER AND TRIBUTARIES PHASE II - AQUATIC ECOSYSTEM RESTORATION - POLLACK LAKE AND HASTINGS CREEK (RAVEN GLEN), ANTIOCH, LAKE COUNTY, ILLINOIS

The United States Army Corps of Engineers – Chicago District is issuing Solicitation W912P626RA009 for Phase II of the Upper Des Plaines River and Tributaries Aquatic Ecosystem Restoration project at Pollack Lake and Hastings Creek (Raven Glen) in Antioch, Lake County, Illinois. The effort involves site‑preparation and construction services (NAICS 238910) to restore and enhance the aquatic ecosystem in the designated area. All solicitation documents are available for download only through the DoD Procurement Integrated Enterprise Environment (PIEE); the specification files are PDF format and must be viewed with Adobe Acrobat Reader. Offerors must be registered in SAM before submitting a bid and must also register in PIEE to access the solicitation and submit proposals. All bid‑related questions are mandatory to submit through the PROJNET Bidder Inquiry system (https://www.ProjNet.org/ProjNet); new users must self‑register and may ask only one question per inquiry. Inquiries close on May 18 2026, after which technical questions will be disabled. Government responses are not binding unless issued as an amendment on PIEE or SAM. For clarification on equitable adjustments, refer to the USACE “FFP Contract Changes Playbook.” Primary contacts are Ericka Hillard (ericka.d.hillard@usace.army.mil) and Sara King (sara.t.king@usace.army.mil); include the solicitation number on all correspondence.

Notice ID

294d23a04a0f490390e186905f9b3506

Solicitation Number

W912P626RA009

NAICS Code

238910

Classification Code

Y1QA