Memmelaar AML Reclamation Project

The Iowa Department of Agriculture is requesting sealed bids for the Memmelaar AML Reclamation Project, an acid mine drainage reclamation construction project in Mahaska County, with bids due August 11, 2026 at 2:00 p.m. CDT under RFB IA-362.

The scope encompasses site mobilization, clearing and preparation, offsite waste disposal, impoundment discharge management, erosion control, excavation of 87,400 cubic yards with 12,000 cubic yards of muck removal, installation of approximately 2,155 linear feet of dual-wall pipe in multiple sizes, subgrade preparation, agricultural lime treatment (530 tons), and seeding operations across 15.7 acres of upland pasture mix. Bidders must respond to all specified line items on the provided proposal and pricing worksheets and submit a bid bond as outlined in the RFB documents.

Bidders must satisfy all bid specifications to be deemed responsible and must complete multiple certifications: certification of bid accuracy, independence of bid development, debarment status, and Iowa sales and use tax compliance. The work involves commodity codes in the 02100–02700 range covering site preparation, drainage, erosion control, and seeding activities.

The RFB opened on July 28, 2026 at 4:00 p.m. CDT. Bids will remain sealed until the closing deadline of August 11, 2026. The primary contact for inquiries is Mary Baker at the Iowa Department of Agriculture. No contract value, contract term, or anticipated award date is specified.