Addendum_No._5_EVN0060585.pdf

This is Addendum No. 5 to Solicitation EVN0060585 issued by Miami-Dade County's Strategic Procurement Department on behalf of the Miami-Dade Aviation Department (MDAD). The solicitation seeks bids for a full-service HVAC chillers maintenance contract covering five separate zones at MDAD facilities. The contract scope includes comprehensive maintenance, preventive service, repairs, emergency response, chiller overhauls, water treatment programs, and lifecycle management for all HVAC systems, chillers, cooling towers, and associated auxiliary systems. Bidders may submit proposals for one, multiple, or all zones, but each bidder may be awarded only one zone. The original bid deadline of October 14, 2026 has been extended to October 26, 2026 at 2:00 PM (EST) by this addendum. Pre-bid conferences and site visits are scheduled for September 8, 9, and 10, 2026 at Miami International Airport, Building 5A. The contract term is ten years (120 months), commencing on the first calendar day of the month following Board of County Commissioners approval, with award made by zone to the lowest responsive, responsible bidder evaluated independently and sequentially.

Bidding is conducted on a unit-price basis through the INFORMS electronic system, with all costs including labor, materials, equipment, mobilization, and disposal fully embedded in bid prices. Initial prices remain fixed for twelve months from the solicitation end date; subsequent adjustments are based on the Consumer Price Index for the Miami-Fort Lauderdale-West Palm Beach area. Bidders must possess a Florida Mechanical Contractor or Class A Air Conditioning Contractor license, EPA Universal Refrigerant Certification for technicians, and ASNT NDT Level II and III certifications for testing personnel, along with documented references demonstrating experience with HVAC chillers, water treatment, and oil analysis services. Insurance requirements include $1,000,000 commercial general liability per occurrence (or $5,000,000 for airfield operations), $1,000,000 automobile liability, and $2,000,000 environmental liability. The contract includes an allowance account not to exceed 20 percent of total contract value for contingencies, price adjustments, additional sites, services, and replacement parts. Critical notification: bidders must resubmit their bids by clicking the "Submit Bid" button after acknowledging this addendum in INFORMS to ensure their bid is received by the County.