# Illinois BidBuy #27-422DNR-REALT-B-54781

Additional Rip Rap and Installation for Carlyle Lake Embankment Stabilization

**Posted:** November 09, 2026
**Respond By:** November 24, 2026
**Identifier:** 27-422DNR-REALT-B-54781
**NAICS:** 237990

The Illinois DNR seeks additional materials and installation time to stabilize an eroding embankment at Carlyle Lake.
- Buyer: Illinois Department of Natural Resources (DNR), Office of Realty and Capital Planning.
- Scope: Up to 1,718 tons of additional rip rap for embankment stabilization at three locations, plus 90 additional days for installation.
- OEMs and vendors: None identified; no manufacturer-specific product or part number is specified.
- The latest notice references a related purchase order; its response deadline is omitted here.

### Description

This change order notice concerns stabilizing the riverside embankment at three locations at Carlyle Lake. The change order provides for up to 1,718 tons of additional rip rap and an additional 90 days for installation. The bulletin states that the increase in cost and extension of time are due to further erosion of the embankment.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-422DNR-REALT-B-54781&external=true&parentUrl=close)