City of Lincoln Ionwave #26-044 Addendum 2

This opportunity involves upgrades to the chilled water supply systems at three municipal buildings in Lincoln, Nebraska: - Government Buyer: - City of Lincoln-Lancaster County Public Building Commission - Scope of Work: - Complete installation, modification, and commissioning of chilled water supply systems at 555, 575, and 605 S. 10th Street - Includes all labor, supervision, materials, supplies, permits, and licenses - Work must comply with City of Lincoln standards and codes - Key Products and Equipment: - Chilled water circulating pumps (Taco model KV4009D or approved equals) - Variable frequency drives (VFDs) with integral disconnects (OEMs: ABB, Danfoss, Rockwell, Yaskawa) - Strainers and combination flow controls (OEM: Hydronic Components) - Control valves (including 8" control valve with isolation valves) - Pressure and temperature sensors - OEMs Highlighted: - ABB, Danfoss, Rockwell, Yaskawa (VFDs) - Grundfos, Bell & Gossett, Taco, Wilo (pumps) - Hydronic Components (strainers/flow controls) - Notable Requirements: - Coordination with the district energy plant (DEC) and integration of controls - Compliance with the Nebraska Foreign Adversary Contracting Prohibition Act - Strict insurance and bonding requirements - Non-mandatory pre-bid meeting and site walkthrough available - Award to lowest responsible and responsive bidder - Place of Performance: - County/City Building, 575 S. 10th Street, Lincoln, NE 68508 (primary location) - Period of Performance: - Substantial completion by contract schedule; warranty period of at least one year on all work and equipment

The City of Lincoln-Lancaster County Public Building Commission is soliciting bids for the 555, 575, & 605 Chilled Water Supply project at the County/City Building located at 575 S. 10th Street, Lincoln, NE. The project involves furnishing all labor, supervision, materials, supplies, permits, and licenses necessary to perform the chilled water supply work as specified in the contract documents. A non-mandatory pre-bid meeting and site walkthrough with PBC stakeholders and the engineer is scheduled, and all bidders are encouraged to attend. The contract will be awarded to the lowest responsible and responsive bidder meeting all specifications and requirements.