{"data":{"id":"us-nyc/n.y.c.-admin.-code-pc-304","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § PC 304","heading":"Section PC 304: Rodent Proofing","body":"304.1 General.\n\nPlumbing systems shall be designed and installed in accordance with Sections 304.2 and 304.4 to prevent rodents from entering structures.\n\n304.2 Strainer plates.\n\nAll strainer plates on drain inlets shall be designed and installed so that all openings are not greater than 1/2 inch (12.7 mm) in least dimension.\n\n304.3 Reserved.\n\n304.4 Openings for pipes.\n\nIn or on structures where openings have been made in walls, floors or ceilings for the passage of pipes, the annular space between the pipe and the sides of the opening shall be sealed with caulking materials or closed with gasketing systems compatible with the piping materials and locations.","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":"36a91ef7808f74077759bfd62746442ee3fb94b65dafd764bf82756660da0378","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-pc-303","next":"us-nyc/n.y.c.-admin.-code-pc-305"},"notice":"GroundRules: Original legal text. Not legal advice."}