Technical Resources

New York City’s NYC electrical code update, effective December 21, 2025, introduces sweeping technical and administrative changes. The update replaces the legacy 2011 electrical code with the 2025 NYC Electrical Code, which is based on NFPA 70-2020 and amended extensively through Local Law 128 of 2024 (LL128). This condensed overview highlights the some of the key changes affecting engineers, architects, contractors, and building owners. What’s Included in the 2025 NYC Electr

Automatic sprinkler systems are one of the most effective life safety measures in New York City buildings. To ensure reliability, the NYC Fire Code  mandates regular inspection, testing, and maintenance at specific intervals based on system type and occupancy. This article explains the NYC sprinkler inspection requirements  outlined in FC 903.5 and FC 903.6, including which buildings are affected, the required inspection frequencies, and the qualifications needed to perform t

The New York City Department of Buildings (DOB) is in the process of adopting a new NYC Existing Building Code (EBC)  as part of the next comprehensive update to the NYC Construction Codes . This long-anticipated revision brings the city’s regulations into closer alignment with the 2015 International Existing Building Code (IEBC)  while incorporating critical local amendments specific to New York City’s built environment. For engineers, architects, and building owners, unders

Understanding fire alarm system requirements by occupancy group is critical for any project in New York City. The NYC Building Code (BC 907), together with BC 903 for sprinklers and the NYC Fire Code, establishes a framework that dictates when manual pull stations, automatic detection, voice/alarm systems, and monitoring are required based on a building’s use and size. Because each occupancy group (Assembly, Residential, Business, Mercantile, Storage, and others) has its own