N Raccoon Batch and Build Final Plans Redacted.pdf

This document consists of final plans for the N. Raccoon 2025 Batch and Build Edge-of-Field Project, prepared by the Iowa Department of Agriculture & Land Stewardship (IDALS), Division of Soil Conservation and Water Quality. The project involves construction of 2 bioreactors and 5 saturated buffer structures located in Calhoun and Sac Counties as part of a watershed conservation initiative. The scope of work encompasses mobilization, tile investigation, seeding, excavation, installation of woodchips, geotextile fabric, water control structures, piping, and site marking across 26 line items. The bid solicitation opens September 4, 2025, at 10:00 AM CDT and closes October 7, 2025, at 3:00 PM CDT, with a public bid opening scheduled for 3:15 PM the same day. A pre-bid conference is scheduled for September 16, 2025, at 10:00 AM at the Iowa State University Extension and Outreach Calhoun County Office. Written questions must be submitted by October 1, 2025, at 3:00 PM to project engineers T.J. Lynn or Emalyn Polz.

The estimated project cost ranges between $97,000 and $101,000. Bidders must submit a 10% bid bond with their proposals and be registered with the Iowa Division of Labor. Successful contractors will be required to provide a Performance/Payment Bond equal to 100% of the contract price upon award. The procurement does not specify explicit set-aside designations or restrictions for disadvantaged enterprises. Contract documents, including detailed plans and specifications, are available through the IDALS website and can be accessed by requesting placement on the plan holders list. This project represents a targeted environmental improvement initiative focused on water quality and soil conservation in the North Raccoon River watershed region.