Nutrient Reduction Wetland Project

In general, the work involves, but is not limited to, selective clearing, excavation, grading, tile and SUDAS inlet structure installations, , and seeding. This project includes around 1,000 cubic yards of earthwork, 1,412 linear feet of RCP tile installation, 3 SUDAS structures, 2,000 linear feet of silt fence, and 2.6 acres of seeding. 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 Division of Labor. 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. Questions concerning the Plans and Construction Specifications should be in writing and addressed to Jon Rosengren, P.E., Jon.Rosengren@bolton-menk.com, and must copy Tracy Bruun, Division, tracy.bruun@iowaagriculture.gov. All other questions concerning other Contract Documents should be addressed to Tracy Bruun, Division, tracy.bruun@iowaagriculture.gov or 515-344-6279. In order to be considered in a final addendum, written questions must be received by 3:00 PM on September 12, 2023. The Division reserves the right to reject any or all proposals and to waive technicalities and irregularities *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. In general, the work involves, but is not limited to, selective clearing, excavation, grading, tile and SUDAS inlet structure installations, , and seeding. This project includes around 1,000 cubic yards of earthwork, 1,412 linear feet of RCP tile installation, 3 SUDAS structures, 2,000 linear feet of silt fence, and 2.6 acres of seeding. The estimated construction cost range for this project is $170,000 to $210,000.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 31 -	Earthwork, Site Clearing, Grading, Excavation and Fill, Subgrade Preparation, Excavation, Shoring, Tunneling and Mining, Tunnel Excavation.
Division 35 -	Waterway and Marine Construction, Dam Construction and Equipment.