Wor982210D (East & West) 26-13 Worth

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, is requesting bids for construction of nutrient reduction wetland systems (East and West) in Worth County, with bids due November 12, 2026 at 3:00 PM CST and a pre-bid conference on October 27, 2026 at 10:30 AM at the USDA Service Center in Norwood. All bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing prior to contract execution.

The scope includes selective clearing, excavation and grading, installation of tile and outlet structures, pump installation, riprap placement, and seeding across two sites. Earthwork encompasses approximately 7,500 cubic yards; 700 linear feet of pipe installation; 129 tons of riprap; two modified SW-512 intake concrete structures; three modified SW-513 outlet concrete structures; two modified SW-401 and SW-402 lift station structures; three solar pump systems; and 2.5 acres of seeding. The systems are designed to treat water from an existing ditch using solar panel-powered pumps.

The estimated construction cost range is $225,000 to $325,000. Construction must commence within seven days of the preconstruction meeting, with a construction deadline of September 1, 2027, and seeding deadlines of December 15, 2027.

Sealed bids will be received through the Iowa Management of Procurement and Contracts System (IMPACS). Bid security equal to ten percent of the bid amount is required, and the successful bidder must furnish a Performance/Payment Bond equal to one hundred percent of the contract price. Written questions on plans and specifications must be submitted to the project engineer, Brandon Short, P.E. at Bolton & Menk (with copies to Tracy Blocker at the Division) by 3:00 PM on November 5, 2026, for inclusion in a final addendum. Bids must include completed Bid Security (Document EE) and Proposal, Acknowledgment, and Affidavit forms (Document CC).