Jefferson Relief Sewer

The Southeast Macomb Sanitary District (SEMSD) is procuring a comprehensive municipal infrastructure project for the Jefferson Relief Sewer in Macomb County, Michigan. The project involves constructing a 25-foot deep, 7,100-foot long, 60-inch diameter relief sewer that will be tunneled under the southbound lane of Jefferson Avenue, with limited open-cut construction. Specific deliverables include 80 feet of 48" sanitary sewer, 6,900 feet of 60" sanitary sewer via tunneling, 175 feet of 60" sanitary sewer through open-cut methods, 8 tunnel launching/receiving shafts, 5 sanitary chambers, and 7 lateral sewer connections. The project objectives are to provide additional capacity for the existing Jefferson Interceptor Sewer and improve wastewater management infrastructure. Bidders must demonstrate qualifications including environmental, safety, and health programs, and provide detailed company information and previous work experience. The bid submission deadline is October 30, 2024, at 10:00 AM local time, with a project completion timeline of 730 calendar days for substantial completion (by March 1, 2027) and 760 calendar days for full completion (by April 1, 2027).

The contract has specific provisions for Disadvantaged Business Enterprise (DBE) requirements and is subject to the Build America, Buy America Act, which mandates certain domestic manufacturing processes. Bidders must comply with Davis-Bacon wage rates and follow specific federal contracting guidelines. While a total project cost is not explicitly stated, the bid form includes comprehensive line items with estimated quantities, and liquidated damages are set at $4,000 per calendar day beyond the specified completion dates. The project will require integration with existing sewer infrastructure, including connections at 9 Mile Road and Bon Heur Street. Contractors must be prepared to handle potential environmental challenges, including methane and hydrogen sulfide gas detection in confined spaces. The project is federally funded and requires strict adherence to OSHA standards, EPA financial assistance agreement requirements, and comprehensive documentation. Specific wage determinations for various construction trades in Macomb County are provided, with detailed hourly rates and fringe benefits for job classifications including power equipment operators, laborers, carpenters, and electricians.