This project involves replacing the HVAC system for building 198 at NSWC Crane, IN. The work requires maintaining a humidity level between 40-60% and includes renovation work inside the existing building and adjacent supporting buildings. The contract duration is estimated at 270 calendar days, and the estimated cost range is between $5,000,000 and $10,000,000. • The project includes replacement of air handling units, makeup air units, VAV repairs, chilled water plants, and DDC HVAC control systems. • The contractor must perform at least 15% of the cost of the contract with their own employees. • The contractor must be registered in the System for Award Management (SAM) prior to award of a contract. • The contractor must provide documentation of their experience, including projects similar in scope and size to this project.