{"data":{"id":"us-nyc/n.y.c.-admin.-code-pc-1105","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § PC 1105","heading":"Section PC 1105: Roof Drains","body":"1105.1 General.\n\nRoof drains shall be installed in accordance with the manufacturer's instructions. The inside opening for the roof drain shall not be obstructed by the roofing membrane material.\n\n1105.2 Roof drain flow rate.\n\nThe published roof drain flow rate, based on the head of water above the roof drain, shall be used to size the storm drainage system in accordance with Section \n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t1106\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t. The flow rate used for sizing the storm drainage piping shall be based on the maximum anticipated ponding at the roof drain.","path":["New York City Administrative Code","Title 28","Chapter 6: New York City Plumbing Code"],"source_url":"https://files.amlegal.com/pdffiles/NewYorkCity/Admin/XML.zip","current_through":"Local Law 2026/135 (enacted August 31, 2026)","vintage":"","retrieved_at":"2026-09-06T02:48:57Z","sha256":"c8e946aefe746c36cd17d26af8733be1737c154a1594377ff851bd48105dfabb","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-pc-1104","next":"us-nyc/n.y.c.-admin.-code-pc-1106"},"notice":"GroundRules: Original legal text. Not legal advice."}