Supplemental Specifications.pdf

This Supplemental Specifications document pertains to a procurement issued by the State of Iowa for a pipe removal and replacement project in Winneshiek County along US 52. The project requires the removal of an existing 72-inch entrance pipe and installation of a new 72-inch pipe to restore drainage and access functionality along the US 52 corridor. The solicitation was posted on March 18, 2026, with a proposal submission deadline of March 20, 2026, providing a compressed two-day window for bid preparation. The document references multiple specification files including standard specifications (3010.pdf, 4010.pdf, 4020.pdf, 4030.pdf, 5010.pdf, 5011.pdf, 6010.pdf, 7040.pdf, 9010.pdf) and an Implementation Memorandum (IM 558.pdf), which contain detailed technical and construction requirements for the project. No information regarding site visits, pre-bid meetings, or specific award dates has been disclosed in the available materials.

The supplemental specifications document does not disclose contract pricing, budget allocation, award value ranges, or specific funding sources. No set-aside designations, disadvantaged business enterprise requirements, incumbent vendor information, or restrictions on respondent types are specified in the posted materials. Bidders must possess appropriate licensing, bonding capabilities, and demonstrated experience with large-diameter pipe replacement projects. Interested contractors should contact the Iowa Department of Transportation or Wapello County officials to obtain complete solicitation documents, detailed project specifications, bonding requirements, and additional evaluation criteria necessary for comprehensive bid preparation.