Requesting Information About the AEDT - NYC Local Law 144: Candidates who reside in New York City and are subject to NYC Local Law 144 may request information about the AEDT, including details on the type of data collected, the sources of such data, and our data retention policies. The building engineer chief’s primary responsibility includes overall maintenance supervision over entire building(s) to include mechanical and electrical systems, utilities, structure, pavements, masonry, concrete, signage, security, fire prevention, and interior/exterior appurtenances.