BPDA Seeks Applicants for Impact Advisory Group for Proposed Stedman Street Storage Facility By David Ertischek on July 15, 2022 BPDA Seeks Applicants for Impact Advisory Group for Proposed Stedman Street Storage Facility The Boston Planning & Development Agency (BPDA) is seeking applicants for the Impact Advisory Group (IAG) for a proposed self-storage facility on Stedman Street.