Opportunity

Illinois BidBuy #26-557THA-ENGCO-B-51532

Amendment for Wellpoint Dewatering System at IL390/I490 Interchange Construction

Posted

March 17, 2026

Respond By

April 15, 2026

Identifier

26-557THA-ENGCO-B-51532

NAICS

237310, 237110, 237990

This amendment concerns the Illinois Toll Highway Authority's ongoing roadway and bridge construction at the IL390 and I490 interchange in Downers Grove, Illinois. - Government Buyer: - Illinois Toll Highway Authority (THA), Engineering - Construction department - Products/Services Requested: - Wellpoint Dewatering System (Location 4) supplement - Scope: Supports water management for construction activities at the interchange - NIGP code 91200: General construction services, including water and sewer line and related structures - Quantity: 1 supplement - OEMs and Vendors: - No specific Original Equipment Manufacturers (OEMs) are named in the notice - Unique or Notable Requirements: - Amendment is germane to the original contract and within department policy - Change order value: $650,000 - Focus on water management solutions for large-scale infrastructure projects - Place of Performance: - Downers Grove, Illinois (IL390 and I490 interchange)

Description

This is an amendment/change order for roadway and bridge construction at the IL390 and I490 interchange. The contract involves a wellpoint dewatering system supplement as part of the original scope, with a change order cost of $650,000. The contractor is F.H. Paschen, S.N. Nielsen. The project is managed by the Toll Highway Authority's Engineering - Construction department in Illinois.

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