VA Air Bleeders Maintenance Construction Date: 2018 Location: Las Vegas, NV Contracting Investor: US Dept. of Veteran Affairs Category: Maintenance VA Hospital Air Bleeders Maintenance. Replace Air Bleeder Valves in the HVAC system throughout the hospital. Approximately 1600 total valves replaced, as well as replacing any bad ball vales and hoses discovered during the maintenance. Previous Project Next Project Previous Project Next Project