Enter (Eurocode 2: Part 3).
BS EN 1992-3 introduces the concept of Depending on whether you are storing hazardous chemicals, potable water, or industrial effluent, the code dictates stricter crack width limits (often 0.1mm to 0.2mm) and specific detailing rules to ensure the structure is watertight . bs en 1992-3 pdf
Understanding BS EN 1992-3: The Essential PDF Guide for Liquid Retaining Structures Enter (Eurocode 2: Part 3)