Buc880725C Nutrient Reduction Wetland Project Construction Contract

Construction contract for the Buc880725C Nutrient Reduction Wetland Project in Section 25, Township 88 North, Range 07 West, Buchanan County, Iowa. [...] This project is for a nutrient reduction wetland. The estimated construction cost range for this project is $180,000 to $200,000.

In general, the work involves, but is not limited to, selective clearing, excavation, grading, tied concrete block mat installation, tile installation, water control structure, riprap, and seeding. This project includes about 22,900 cubic yards of earthwork, installation of 2,500 square feet of tied concrete block mat, water control structure, 1270 linear feet (LF) of tile installation, 30.5 tons of erosion stone, and 6 acres of seeding.

Construction will commence within 7 days of the preconstruction meeting, unless otherwise mutually agreed upon.

• Construction deadline: **11/15/2027**
• Seeding deadline-buffer: **12/15/2027** (MUST BE COMPLETED WITHIN THE BUFFER SEEDING PERIOD.)
• Seeding deadline-structure: (MUST BE COMPLETED WITHIN THE STRUCTURE SEEDING PERIOD.)

Sealed bids will be received by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality (Division), via the Iowa Management of Procurement and Contracts System (IMPACS), until **3:00 PM** local time, Thursday, **11/12/2026**. Bids must be submitted on the appropriate bid forms provided and shall include a bid bond in the amount of **ten percent (10%)**. Bidders must also be registered with the Iowa Department of Inspections, Appeals & Licensing.

Interested bidders shall only submit bids on IMPACS. All required documents must be submitted on IMPACS for the bid to be opened. These documents include: the Bid Submittal Authorization Form, acknowledgment of all issued addenda, and the Bid Bond as specified in Section 06.

The successful bidder shall be required to furnish a Performance/Payment Bond in an amount equal to one hundred percent (100%) of the contract price.

The Contract shall be awarded to the lowest responsible bidder as determined by the Division. [...] In comparing bid prices, the total bids of the various bidders shall be determined by applying the unit prices bid for each work item against the estimated work item quantities set forth in the proposal.