133-234 Permitted obstructions Last Amended5/8/2013 History Print Section Copy Link https://zr.planning.nyc.gov/index.php/article-xiii/chapter-3/133-234 Sections 23-62, 24-51 and 33-42 (Permitted Obstructions) shall be modified to allow accessory energy generating systems on the roof of a building, or any other structures supporting such systems, as permitted obstructions, without limitations.