{"data":{"id":"us-nyc/n.y.c.-admin.-code-27-608","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § 27-608","heading":"§ 27-608 Admixtures.","body":"Admixtures may be used in the concrete only where included in the preliminary test mixes made in accordance with paragraph three of subdivision (a) of section 27-605 or mixes proportioned in accordance with the provisions of reference standard RS 10-3. In the case of mixes proportioned in accordance with subdivision (c) of section 27-605, there shall be no reduction of the cement content called for in table 10-3A because admixtures are used in the mix. Where admixtures are used, the provisions of reference standards RS 10-3 and RS 10-44 shall apply. In addition, no anti-freeze agents shall be used. Admixtures shall be added in measured quantities in conformance with the accepted mix design.","path":["New York City Administrative Code","Title 27","Chapter 1: Building 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":"5d897c0e1a5a05ad04f5604af3966a9bf7461eae71085aef5d6648246c069c97","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-27-607","next":"us-nyc/n.y.c.-admin.-code-27-609"},"notice":"GroundRules: Original legal text. Not legal advice."}