Subsurface Drain Investigation and Repair

This subcontract for Subsurface Drain Investigation and Repair involves performing specialized excavation services for prime contractors on wetland projects managed by the Iowa Division of Soil Conservation and Water Quality and the NRCS IA. The scope of work includes locating, removing, repairing, or capping subsurface drainage tiles, specifically focusing on tiles under embankments and determining precise tie-in locations. All work, including the backfilling of tie trenches, must be completed in accordance with IA CS-009 standards using appropriate tile probes and excavation equipment to deliver a fully managed subsurface drain system. The project is located in Emmet County, Iowa, under the agency of Agriculture and Land Stewardship. Interested parties must note that the solicitation was posted on October 7, 2026, with a response deadline of October 27, 2026. The contract is categorized under NAICS code 237990, reflecting its focus on specialized excavation and drainage infrastructure.