Second Avenue Subway - Ventilation Towers

I'm considering buying a unit in a high rise but have concerns because it is adjacent to the planned 63rd and 3rd subway station for the Second Avenue line. This station will include an above ground ancillary structure (MTA code for ventilation tower). I'm concerned that the ventilation tower will affect the building value -- it's unclear what type of noise, pollutants, general unsightliness this structure may generate. The architect renderings of the planned station and ventilation tower suggest the ventilation tower will be the size of a townhouse; however, the structure could end up being taller and having a larger footprint. The unit I am considering is on the north side of the building facing 64th, so I would not see the structure. Should I be concerned?