Inspection and Materials Testing Services for the Detroit Water and Sewerage Department (DWSD)

The City of Detroit Office of Contracting and Procurement on behalf of the Detroit Water and Sewerage Department is requesting proposals for inspection and materials testing services for the Alley Sewer Repair Program under RFP 547791, with proposals due August 5, 2026 by 3:00 PM EST and a pre-proposal conference on July 20, 2026 at 1:00 PM EST via Microsoft Teams.

This grant-funded project is financed through Community Development Block Grant-Disaster Recovery allocations from the U.S. Department of Housing and Urban Development with no matching requirements mandated. The City anticipates making multiple awards and reserves the right to select one or more firms to perform all or separate parts of the work.

Respondents must meet minimum qualifications including construction inspection expertise in watermain, sewer gravity pipe, and wastewater pumping station projects with at least five projects completed in the past ten years, an average experience modification rate of 1.04 or below for 2023–2025, and an active Licensed Professional Engineer on staff capable of specifying soils using AASHTO soil classification systems. The scope encompasses comprehensive construction inspection, materials testing, field supervision, and project engineering support. Materials testing includes nuclear density testing, slump testing, air content testing, yield testing, compressive cylinder strength testing, and asphalt testing. The contract term is four years, with any renewal options requiring Detroit City Council approval and signature by the Chief Procurement Officer.

Proposals are evaluated on prior project experience (30 points), work plan and organization (25 points), staff experience (25 points), and pricing (20 points). Pricing must be submitted on the designated labor-rate and materials-testing forms with direct hourly rates and overhead markups; no annual escalation is permitted throughout the contract term. Prime consultants may mark up subconsultant costs not to exceed five percent.

Respondents must submit all required forms and affidavits including Certificate of Authority, notarized Affidavit of Disclosure of Interests, notarized Non-Collusion Affidavit, three years of audited financial statements, City of Detroit Treasury Clearance documentation, and System of Awards Management registration. The contractor must maintain commercial general liability ($1,000,000 per occurrence), workers' compensation, automobile liability, and cyber liability / errors and omissions ($1,000,000 per claim, $5,000,000 aggregate) insurance, and provide ISO 27001 certification or annual SOC 2 Type 2 Report. Questions are due July 22, 2026 by 2:00 PM EST. Proposals must be submitted through the EUNA Bonfire Procurement Supplier Portal at detroit.bonfirehub.com.