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The Portland City Council last week accepted a bid of approximately $7.4 million from Iron Horse Excavation Inc. for the Downtown Old Town Market Madison Sewer Rehabilitation Project.

The SW Market-Madison Sewer Project, designed by the city’s Bureau of Environmental Services, will include repairing 11,720 feet of aging public sewer pipes from SW Market to SW Madison streets between SW Naito Parkway and SW 13th Avenue, repair or replace maintenance holes, repair or replace active sewer laterals for individual property connections and more. According to the project’s website, the pipes require repairs to reduce the risks of basement flooding and sewage releases to downtown buildings and streets.

Bids for construction of the project opened in December. The lowest responsive bid was from Iron Horse Excavation Inc., dba Oxbow Construction, a female-owned firm in Troutdale.

The city’s aspirational 20 percent subcontractor and supplier utilization goal applied to this project. Iron Horse Excavation Inc. is committed to subcontract 20.72 percent to contractors certified by the State’s Certification Office for Business Inclusion and Diversity (COBID).

These subcontractors include Alvin L. Hall for hauling services; Brothers Concrete Cutting Inc. for saw cutting; Chick of All Trades LLC for flagging; JNM Services LLC for traffic control; Kodiak Pacific Construction Co. for asphalt paving; LCP LLC for rodent control; Nuwave Concrete for concrete; and Sambar Construction LLC for sewer work.

Iron Horse Excavation will self-perform 79.28 percent of the work.

The Downtown Old Town (DTOT) Market Madison Sewer Rehabilitation Project is part of BES’ Large Scale Sewer Rehabilitation Program within the DTOT Program. It is a multi-year and multi-million-dollar investment to assess the condition and capacity of the aging public sewer system serving Portland’s Downtown and Old Town neighborhoods.

Construction is expected to start this spring, likely in April, and will take about a year and a half to complete.