Hennepin Supplier Systems #PFP0000524

Hennepin County Seeks Automated Impact Response Sounding NDT for Bridge Decks

Hennepin County is seeking proposals for automated impact response sounding as a non-destructive testing (NDT) method to assess bridge deck conditions on five county bridges in Minneapolis and Minnetonka, Minnesota. - Government Buyer: - Hennepin County Public Works Division and Purchasing and Contract Services - Scope of Work: - Automated impact response sounding (vehicle-mounted NDT) to detect delaminations and surface-level defects - Bridges included: 27576 (CSAH 61 over BNSF Railroad), 27A12 (CSAH 62 over Purgatory Creek), 27732 (TH 55 over I394), 27A22 (CSAH 36 over BNSF Railroad), 27A24 (CSAH 37 over BNSF Railroad) - Total area: approximately 69,500 square feet - Testing must comply with ASTM D4580/D4580M-12 standards - Deliverables: detailed PDF reports, Excel defect data, QA/QC documentation, and georeferenced digital maps compatible with Bentley OpenRoads - Vendor Requirements: - Proposers must have completed at least one similar automated impact response sounding project on a bridge deck within the past five years - All work must be self-performed (no subcontracting permitted) - Notable Requirements: - Minimal lane closures during testing - Evaluation based on project approach, team qualifications, and cost - Sealed proposal process; multiple bids allowed - OEMs and Vendors: - No specific OEMs or vendors are named in the solicitation - Period of Performance: - Initial contract covers work in 2026, with potential for additional bridges in 2027 and 2028 at agreed rates - Locations: - Work performed on specified bridges in Minneapolis and Minnetonka, Minnesota - Contracting office at Hennepin County Government Center, Minneapolis

Description

Hennepin County is soliciting proposals for automated impact response sounding as a non-destructive testing (NDT) method to identify delaminations and surface level defects on several designated bridge decks. The project involves performing testing in accordance with ASTM D4580/D4580M-12 standards to support lifecycle planning and maintenance evaluation for bridges located in Minneapolis and Minnetonka, Minnesota. Proposers must have performed similar automated impact response sounding on at least one bridge deck within the last five years and must self-perform the contract without subcontracting. The solicitation is a sealed event with multiple bids allowed, and proposals are due by April 27, 2026.

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