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This International Standard specifies requirements for principles for the qualification and certification of personnel who perform industrial non-destructive testing (NDT). The system specified in this International Standard can also apply to other NDT methods or to new techniques within an established NDT method, provided a comprehensive scheme of certification exists and the method or technique…

ISO 16486-6:2012 specifies a code of practice dealing with unplasticized polyamide (PA-U) piping systems intended to be buried outside buildings and used for the supply of gaseous fuels. It addresses the common basic principles for gas supply systems. ISO 16486-6:2012 is intended to be applied in association with national standards or codes of practice related to the above-mentioned basic…

1.1 Scope This standard specifies uniform methods for testing and evaluating the performance of fittings for use with compressed hydrogen gas and hydrogen rich gas mixtures. It does not address special requirements for liquid and slush hydrogen. This standard applies to hydrogen systems applications to meet current market needs. In this standard, the term “fittings” includes fittings,…

Scope 1.1 This Standard provides requirements for the design, fabrication, installation, and maintenance of single-membrane structures that are either reinforced or unreinforced and that are air-supported, frame-supported, or cable-supported. 1.2 The general requirements, structural design methods, loadings, and limit states specified in this Standard are intended to be consistent with the…

Scope 1.1 This Standard provides a calculation method for determining the heat loss and heat gain of buildings (as described in Clause 1.3 below) for the purpose of selecting the appropriate output capacity of a space heating appliance or group of appliances and the output capacity of a cooling appliance or group of appliances. 1.2 This Standard also provides restrictions on selecting the…

1 Scope This part of IEC 62368 is applicable to the safety of electrical and electronic equipment within the field of audio, video, information and communication technology, and business and office machines with a rated voltage not exceeding 600 V. This standard does not include requirements for performance or functional characteristics of equipment. NOTE 1 Examples of equipment within…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of electric thermal-storage room heaters for household and similar purposes that are intended to heat the room in which they are located, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. Appliances not intended for…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of electric air-cleaning appliances for household and similar purposes, their rated voltage being not more than 250 V for singlephase appliances and 480 V for other appliances. Appliances not intended for normal household use but that nevertheless may be a source of danger to…

1 Scope This part of ISO 19901 gives requirements for the design, fabrication, installation, modification and structural integrity management for the topsides structure for an oil and gas platform. It complements ISO 19902, ISO 19903, ISO 19904-1, ISO 19905-1 and ISO 19906, which give requirements for various forms of support structure. Requirements in this part of ISO 19901 concerning…

This part of ISO 19901 gives requirements for the design, fabrication, installation, modification and structural integrity management for the topsides structure for an oil and gas platform. It complements ISO 19902, ISO 19903, ISO 19904-1, ISO 19905-1 and ISO 19906, which give requirements for various forms of support structure. Requirements in this part of ISO 19901 concerning modifications and…