Renovation of a military facility in Dover Air Force Base, Delaware. Completed plans call for the renovation of a military facility.

Estimate: $1-5 Million *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. REPLACE H706 HVAC BOILER (i) The facility shall remain operational during the performance ofthe entire project. Contractor shall provide a temporary gas-fired boilerto maintain facility operations during swap out of existing boilers. Temporaryboiler capacity shall match heat exchanger requirements, to be verified by contractor, (ii) Demo and remove existing HVAC boilers in mech room of Hangar 706 to include boiler mounting pads and piping to nearestshutoffvalve. Only one boilerto be removed and replaced at a time, as operations in hangar must continue during work, (iii) Design and install two HVAC gas-fired condensing boiler arrays, each consisting oftwo 5000 MBH boilers (total 10000 MBH per array) to include mounting pads. Boilers are to operate in a cascading lead-lag configuration and controls must be compatible with and integrated into the base's Trane BACNet control system in accordance with DoverAFB Installation Facility Standard located at http://www.wbdg.org/ffc/af-afcec/installation-facilities-standards-ifs/dover-afb-ifs (iv) Provide all plumbing to connect new boiler arrays to existing HVAC heating loops and connect gas linesto new boilers. Plumbing must be installed such that each boiler can be isolated in the event offailure and array will continue operation. Insulate all plumbing in accordance with applicable UFCs/specifications. (v) Test and balance the new boiler system to ensure thatAHUs in the hangar provide required setpoint temperatures and that proper temperature is provided to wash water heat exchanger, (vi) Shop drawings and material submittals for boilers shall be submitted at the same time. Drawings and submittal must be approved by the government priorto mobilization.