A market survey is being conducted to gauge small business interest in a future HVAC replacement project at NSWC Crane, Indiana. The project involves replacing the HVAC system in Building 198, with additional work in adjacent buildings 2507 and 2508, to maintain critical humidity levels for ordnance development. The estimated contract duration is 270 calendar days, with an estimated cost range between $5,000,000 and $10,000,000. Performance of services will be at NSWC Crane, IN. Interested small businesses must respond to the survey by the specified deadline to be considered.