Gate_33_Map.docx

This is a Gate Access Notification document for Winnebago County, Wisconsin related to the Wittman Airport Control Tower Chiller Replacement procurement. The document indicates that Winnebago County staff will be stationed at Gate #33 to provide access to the facility for bidders attending the mandatory pre-bid meeting scheduled for November 18, 2025, at 10:00 am. The project involves the complete replacement of the existing chiller system at the airport control tower, including removal of the current chiller (CH-1) and installation of a new 33.3 kW capacity chiller (CH-001) with four compressors. Sealed bids are due December 2, 2025, at 3:00 pm Central Time through the County's OpenGov Procurement portal, with bid validity required for 60 calendar days.

Contractors must submit a bid bond equal to 5% of the total bid amount and meet comprehensive insurance requirements including Workers' Compensation ($100,000 per accident), Commercial General Liability ($1,000,000 per occurrence), and Automobile Liability ($1,000,000 per occurrence). A Certificate of Insurance and Public Improvement Performance/Labor and Material Payment Bond are required. The county will retain 5% from each partial payment until 50% project completion, with invoices processed net 30. Winnebago County maintains tax-exempt status for materials purchased. No specific budget has been disclosed, and no incumbent vendors are identified. The project requires integration with existing electrical systems in control tower rooms 110, 111, and 114, with evaluation based on compliance with detailed technical specifications outlined in the project documentation.