Is 456 Latest Amendment Pdf Link

The holds the copyright. You can legally obtain the PDF via:

Despite amendments, these core criteria from the base code remain foundational: is 456 latest amendment pdf

IS 456:2000 (Fourth Revision), reaffirmed in 2021. The Latest Amendment: Amendment No. 6 , issued in 2024. The holds the copyright

. This amendment introduces significant updates regarding sustainable cement types and testing protocols Guide to IS 456 Amendments (As of April 2026) 6 , issued in 2024

| Parameter | Original IS 456:2000 | With Amendment No. 4 (2013/2021) | |-----------|----------------------|-----------------------------------| | Max concrete grade | M60 | M80 | | Min cover (severe exposure) | 45 mm | 50 mm (beams/columns) | | Min cement content (severe) | 320 kg/m³ | 340 kg/m³ | | Max w/c ratio (severe) | 0.50 | 0.45 | | Fire resistance tables | No | Yes (4-hour rating) | | Column min reinforcement | 0.6% | 0.8% (high seismic zones) | | SCC provisions | No | Referenced |

Here is what you need to know to ensure you have the "good" and correct version: The "Latest" Status : The main document is still IS 456:2000 (Fourth Revision) Latest Amendment : As of early 2026, Amendment No. 6 (June 2024) is the most recent update. Next Big Change Draft IS 456:2025 (Fifth Revision)