The Purchasing Department at the Massachusetts Port Authority ("Authority" or "Massport") is accepting sealed proposals for the purchase of Mobile Building, Logan International Airport, North Gate Changing Facility, Boston, Massachusetts. Responses are to be returned to Rhona Kysilovsky at Massport, One Harborside Drive, Suite 200S, East Boston, MA 02128 no later than 1:00 p.m. on April 17, 2014. An original and two (2) copies must be included