Description
The Department of Veterans Affairs is soliciting bids for an HVAC and plumbing upgrade or repair project. The project involves replacing coils, installing variable frequency drives (VFDs), and converting control valves and steam humidifiers from pneumatic to direct digital control (DDC). The contractor will be required to perform work in Building 15, including the installation of a new VFD for the basement AHU. The VA has provided answers to questions from potential bidders, including requirements for the conversion of control valves and steam humidifiers, and the installation of VFDs for pumps and fans.
• The project requires the replacement of coils and the installation of VFDs.
• The contractor must convert control valves and steam humidifiers from pneumatic to DDC.
• The VA requires the installation of a VFD for the basement AHU in Building 15.
• The contractor must ensure that the VFD is compatible with the existing fan motor.
• The project involves work on the Absorber Tower, including the replacement of VFDs for pumps.