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This document specifies the requirements for the materials, design, fabrication, erection, testing and inspection of site built, vertical, cylindrical, flat bottomed, above ground, welded, steel tanks for the storage of liquids at ambient temperatures and above. It is concerned with the structural design of the basic tank structure and does not provide requirements for considering process design, operational issues, safety and firefighting facilities, in-service inspection, maintenance, or repair. This document is intended for use in conjunction with EN 1993-4-2 and so adheres the general principles and performance requirements for the structural design and serviceability limit states of those tank components. Specific requirements are addressed in EN 14015. It is applicable to: – closed-top tanks, with and without internal floating roofs; – open-top tanks, with and without floating roofs; – tanks for which: a) the design pressure is not greater than 60 mbar; b) the design internal negative pressure is not lower than 6,0 mbar; c) the design metal temperature is between –40 °C and +300 °C; d) the maximum design liquid level is not higher than the top of the cylindrical shell; e) the maximum allowable stress does not exceed 260 N/mm2. The limits of application of this document terminate at the following locations: – face of the first flange in a bolted flange connection; – first threaded joint on the pipe or coupling outside of the tank shell, roof or bottom; – first circumferential joint in a pipe not having a flange connection. This document does not apply to tanks where the product is refrigerated to maintain it as a liquid at atmospheric pressure.

This document gives requirements and the corresponding test/assessment methods applicable to leak detectors based on the drop of the liquid level in the leak detection liquid reservoir. Leak detectors are intended to be used with double skin, underground or above ground, non-pressurized tanks designed for water polluting liquids. The liquid leak detectors are usually composed of: - sensing device (liquid sensor); - evaluation device; - alarm device.

This document gives requirements and the corresponding test/assessment methods applicable to sensor-based leak detection systems (leak detectors) for liquids and/or for gases. The leak detectors are intended to be used in interstitial spaces, leakage containments or monitoring wells. The leak detectors are usually composed of: - sensing device(s); - evaluation device; - alarm device.

This document provides additional terms and definitions to those written in the Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR) or the Regulations concerning the International Carriage of Dangerous Goods by Rail (RID), appearing as Appendix C to the Convention concerning International Carriage by Rail (COTIF). This document forms part of series of documents prepared by CEN/TC 296 regarding the transport of dangerous goods. The series supports the proper application of the ADR and RID. This document is applicable to tanks used for the transport of dangerous goods. This document does not apply to carriage in bulk of dangerous goods. For convenience, Annex A (informative) repeats some horizontal definitions taken from ADR and RID 2025 chapter 1.2, and Annex B (informative) repeats some definitions from ADR and RID 2025 chapter 6.7, specific to portable tanks. NOTE The ADR and RID are updated on a regular basis, therefore Annexes A and B might become out of date. For outdated definitions, the RID/ADR take precedence. Annexes C, D and E (informative) provide alphabetical trilingual indexes of terms in English, French and German where the key is English, French and German respectively. Annex F (normative) is a schematic diagram of tank openings and closures according to the tank code.

This document specifies the requirements for the inspection, installation and requalification of high pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles. This document is applicable to high pressure cylinders designed and manufactured in accordance with the requirements of ISO 11439. It provides criteria, in the absence of guidance from the cylinder or vehicle manufacturer, for the acceptance (including any allowed rework) or rejection (including any allowed rework or destruction) of a cylinder and its installation.

This document specifies the minimum requirements for the material, design construction and workmanship, manufacturing processes, examination and testing at time of manufacture of an assembly of permanently mounted composite tube(s) in a frame with associated components.

Tubes covered by the requirements of this document are:

a) of composite construction, permanently mounted in a transport frame and suitable for specified service conditions, designated as:

Type 3 — a fully wrapped tube with a seamless metallic liner and composite reinforcement on both the cylindrical part and the dome ends; or

Type 4 — a fully wrapped tube with a non-load sharing liner and composite reinforcement on both the cylindrical part and the dome ends.

b) with water capacities from 450 l up to and including 10 000 l;

c) containing compressed gases but excluding:

liquefied gases,

dissolved gases, and

gases and gas mixtures which are classified for transport as toxic or oxidizing;

d) with working pressure up to 1 000 bar.

This document does not address tubes with working pressure times water capacity (p × V) more than 3 000 000 bar∙l.