SAMPLE-PSA_CONTRACTOR.docx

The document is a Professional Services Agreement (PSA) for the Wittman Airport Control Tower Chiller Replacement project, issued by Winnebago County in Wisconsin. The project involves a comprehensive chiller system upgrade, specifically requiring contractors to remove the existing chiller (CH-1) and install a new chiller (CH-001) with 33.3 kW capacity, four compressors, and associated electrical and mechanical system modifications. A mandatory pre-bid meeting is scheduled for November 18, 2025, at 10:00 am at Gate #33, with sealed bids due on December 2, 2025, at 3:00 pm Central Time through the County's OpenGov Procurement portal. Contractors must submit a bid bond of 5% of the total bid amount and maintain bid validity for 60 calendar days.

The procurement requires comprehensive insurance coverage, including Workers' Compensation ($100,000 per accident), Commercial General Liability ($1,000,000 per occurrence), and Automobile Liability ($1,000,000 per occurrence). Contractors must provide a Certificate of Insurance and a Public Improvement Performance/Labor and Material Payment Bond. The county will retain 5% from each partial payment until 50% project completion, with invoices processed net 30 and a tax-exempt status for materials purchased. While no specific budget is disclosed, the detailed technical specifications suggest a significant infrastructure investment. The project requires integration with existing airport infrastructure, specifically electrical systems in rooms 110, 111, and 114 of the control tower, and does not indicate explicit set-aside designations for disadvantaged enterprises.