Aligned with Eurocodes and European structural safety margins
: Applicable to weldable non-alloy and alloy steels with a maximum design strength of Exclusions : It does not cover refrigerated tanks (covered by prEN 14620 ), process safety, firefighting, or in-service maintenance. iTeh Standards Key Design and Construction Requirements
) specifically adds requirements for self-supporting aluminium dome roofs. Foundations
: The standard provides detailed formulas and procedures for calculating plate thickness, wind loading, seismic stability, and roof design (fixed or floating).
By understanding the requirements of EN 14015 and obtaining an EN 14015 PDF, you can ensure that your fixed steel tank is designed and constructed to meet the required standards, providing a safe, reliable, and high-performance storage solution for your liquid storage needs. En 14015 Pdf
EN 14015 is a European Standard that specifies the requirements for the design, manufacture, and installation of fixed steel tanks for the storage of liquids. The standard covers tanks with a capacity of up to 100,000 cubic meters and is applicable to tanks that are used for the storage of liquids with a density of up to 1.0 t/m³.
| Test Method | Application | |--------------|--------------| | | 100% of welds. | | Radiography (RT) | All shell butt welds – typically 10–20% spot (higher for thicker plates). | | Ultrasonic testing (UT) | Alternative to RT; required for thicker shells. | | Magnetic particle / Dye penetrant | Bottom-to-shell junction, nozzles, repairs. | | Vacuum box testing | Bottom plates (for leaks). | | Hydrostatic test | Mandatory – fill tank to design liquid level + test pressure. Hold for minimum 24 hours. | | Tank settlement monitoring | During hydrostatic test (recorded at multiple points). |
While both standards ensure safe tank construction, EN 14015 is legally preferred or mandatory within the European Union to fulfill the requirements of the Pressure Equipment Directive (PED) and local environmental laws. How to Access the EN 14015 PDF Legally
Detailed requirements for weld types, inspection methods (such as radiographic testing), and joint efficiency are included to prevent leaks. By understanding the requirements of EN 14015 and
If you search for an "EN 14015 PDF" but your project is in Texas, you probably need API 650. If your project is in Germany or France, EN 14015 is mandatory for legal compliance under the Pressure Equipment Directive (PED).
Usually up to 60 mbar (some applications up to 500 mbar).
The full text of EN 14015 is a copyrighted document and typically requires purchase through official standards bodies or authorized distributors:
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EN 14015 is a European Standard that outlines the requirements for the design, fabrication, and testing of site-built, vertical, cylindrical, flat-bottom tanks used for oil and gas storage. The standard covers tanks with capacities ranging from a few thousand liters to several hundred thousand liters. The standard is published by the European Committee for Standardization (CEN), which is responsible for developing and promoting European standards.
✅ – Uses EN 1993-1-6 for shell stability, EN 1991-4 for wind/snow loads. Ideal for projects in EU/UK. ✅ Site-built focus – Explicitly covers field erection, unlike shop-welded tank standards. ✅ Clear hydrostatic test procedure – More prescriptive than some older national standards. ✅ Frangible roof joint – Annex C provides a direct method for weak roof-to-shell weld to avoid tank rupture during overpressure. ✅ Material grades – Includes common European steels (S235, S275, S355) with J0, J2, K2 impact grades.
Settlement criteria and plate thickness.
EN 14015 provides a comprehensive technical framework for site-built welded steel above-ground storage tanks, balancing structural design, welding and fabrication practice, inspection, and corrosion protection to achieve safe, durable storage installations across industrial contexts.
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