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Total records found: 272
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prEN 9300-110 Archived
Comment end date 2026-02-10
Aerospace series - LOTAR - Long Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - Part 110: CAD mechanical 3D Explicit geometry information

The following is in scope of this document: - business specification for long term archiving and retrieval of CAD 3D explicit geometry (see Clause 5); - essential information of CAD 3D explicit geometry (solids, curves, surfaces, and points) to be preserved (see Clause 6); - data structures detailing the main fundamentals and concepts of CAD 3D explicit geometry (see Clause 7); - verification rules to check CAD 3D explicit geometry for consistency and data quality (see Clause 8); - validation rules to be stored with the CAD 3D explicit geometry in the archive to check essential characteristics after retrieval (see Clause 9). NOTE 1 This document includes the geometrical external shape resulting from CAD 3D domain elements (e.g. 3D Structural components, 3D Tubing, 3D electrical harness, 3D composite, etc.). The following is outside the scope of this document: - the formal definition of validation and verification rules to check 3D explicit geometry for consistency and data quality using a machine-readable syntax; - implicit or parametric geometry; - Geometric Dimensioning and Tolerancing (GD&T), Product and Manufacturing Information (PMI); N0TE 2 For long term archiving of the GD&T and PMI see EN 9300 120, EN 9300 121 and EN 9300 125. - assembly structures and PDM product structures; NOTE 3 For long term archiving of assembly structure see EN 9300 115 and for product structure see EN 9300 2xx series. - model styling and organization of explicit geometry.

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ISO/DIS 5565-1.2 Public enquiry
Comment end date 2026-08-04
Vanilla (Vanilla planifolia Andrews, syn. Vanilla fragrans Ames, and Vanilla x tahitensis JW Moore) — Part 1: Specification
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ISO/DIS 25261 Archived
Comment end date 2026-07-28
Spices and condiments — Whole, cut and ground Lemongrass — Specification
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prEN ISO 6704 Public enquiry
Comment end date 2026-08-20
Automatic steam traps - Classification (ISO/DIS 6704:2026)

Establishes a simple classification of the main types according to the mode of actuation of their obturation device and disregarding their details of conception and construction. Three categories of steam traps can be distinguished: mechanical traps, actuated by the level of condensate; thermostatic traps, actuated by the temperature of the condensate; thermodynamic traps, actuated by fluid dynamics.

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prEN 300 468 V1.20.0 (2026-06) Public enquiry
Comment end date 2026-08-31
Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB systems
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prEN IEC 61138:2026 Public enquiry
Comment end date 2026-09-16
Cables for portable earthing and short-circuiting equipment
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prEN ISO 19161-2 Public enquiry
Comment end date 2026-09-19
Geographic information - Geodetic references - Part 2: Unique identification of geodetic ground stations (ISO/DIS 19161-2:2026)

This standard will provide a description of the numbering system replacing the DOMES numbering. The description of the DOMES numbering can be found in MERIT/COTES joint working groups, MERIT campaign: connection of reference frames, implementation plan, 1983. The standard will provide to the geodetic data producers and users a proper identification of the permanently instrumented stations, (e.g. those used in the production of the International Terrestrial Reference Frame and other similar stations), with special emphasis on the backward compatibility with existing DOMES numbers, which will have a positive impact on interoperability issues when merging several data from different communities. This standard will: • support interoperability among GNSS providers (GPS, GLONASS, GALILEO, BEIDOU, …) • clarify the potential confusion between communities which have already adopted their own numbering systems • support the UNGGIM GGRF resolution on global geodetic infrastructure.

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EN IEC 61280-4-2:2024/prA1:2026 Public enquiry
Comment end date 2026-09-09
Amendment 1 - Fibre-optic communication subsystem test procedures - Part 4-2: Installed cabling plant - Single-mode attenuation and optical return loss measurements
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prEN ISO 2553 Public enquiry
Comment end date 2026-08-02
Welding and allied processes - Symbols for welding - Welded joints (ISO/DIS 2553:2026)

This document defines the rules to be applied for symbolic representation of welded joints on technical drawings. This can include information about the geometry, manufacture, quality and testing of the welds. The principles of this document can also be applied to soldered and brazed joints. It is recognized that there are two different approaches in the global market to designate the arrow side and other side on drawings. In this document: — clauses, tables and figures which carry the suffix letter "A" are applicable only to the symbolic representation system based on a dual reference line; — clauses, tables and figures which carry the suffix letter "B" are applicable only to the symbolic representation system based on a single reference line; — clauses, tables and figures which do not have the suffix letter "A" or "B" are applicable to both systems. The symbols shown in this document can be combined with other symbols used on technical drawings, for example to show surface finish requirements. An alternative designation method is presented which can be used to represent welded joints on drawings by specifying essential design information such as weld dimensions, quality level, etc. The joint preparation and welding process(es) are then determined by the production unit in order to meet the specified requirements. NOTE Examples given in this document, including dimensions, are illustrative only and are intended to demonstrate the proper application of principles.

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prEN ISO/IEC 25029 Public enquiry
Comment end date 2026-08-21
Artificial intelligence - AI-enhanced nudging (ISO/IEC DIS 25029:2026)

This standard applies to nudging mechanisms enhanced by AI systems. This document provides definitions, concepts, and guidelines to address AI-enhanced nudging mechanisms by organisations. This standard aims to support organisations to deal with AI-enhanced nudging mechanisms in alignment with existing AI standards. “AI-enhanced nudging mechanisms” are a sub category of digital nudges and which are enhanced by AI systems. It provides use-cases to illustrate AI-enhanced nudging mechanisms. It provides guidelines and requirements for designing responsible AI-enhanced nudging mechanisms. This includes horizontal processes and key indicators using specific vertical examples.

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prEN ISO 19629 Public enquiry
Comment end date 2026-08-27
Fine ceramics (advanced ceramics, advanced technical ceramics) - Thermophysical properties of ceramic composites - Determination of unidimensional thermal diffusivity by flash method (ISO/DIS 19629:2026)

This document describes the flash method for the determination of thermal diffusivity of ceramic matrix composites with continuous fibre reinforcement. In order to conform with the unidimensional heat transfer hypothesis, the experimental conditions are defined such that the material behaves in a homogeneous manner. This involves performing tests in one symmetry axis of the composite. The method is applicable to materials which are physically and chemically stable during the measurement, and covers the range of temperature from 100 K to 2 800 K. It is suitable for the measurement of thermal diffusivity values in the range 10−4 m2∙s−1 to 10−7 m2∙s−1.

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prEN IEC 61757-1-1:2026 Public enquiry
Comment end date 2026-09-16
Fibre optic sensors - Part 1-1: Strain measurement - Strain sensors based on fibre bragg gratings
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prEN IEC 61290-11-1:2026 Public enquiry
Comment end date 2026-09-20
Optical amplifiers - Test methods - Part 11-1: Polarization mode dispersion parameter - Jones matrix eigenanalysis (JME)
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prEN 18348 Archived
Comment end date 2026-07-21
Plastics — Intrinsic biodegradability — Criteria and test methods

This document defines test methods and criteria for distinguishing intrinsically biodegradable plastic materials from those that are persistent. Biodegradability is inferred from biodegradation tests conducted under aerobic conditions, i.e. under the conditions typically found in most natural habitats. Plastics that undergo ultimate biodegradation under aerobic conditions in a manner similar to natural polymer materials are defined as biodegradable plastics. This document describes a method for distinguishing between non-biodegradable plastics, which do not biodegrade even when environmental conditions are favourable for biodegradation (including aerobic conditions), and biodegradable plastics, i.e. those that biodegrade upon contact with active microorganisms when environmental conditions are favourable for biodegradation. The aim is to demonstrate ultimate aerobic biodegradability of plastic materials, i.e. the intrinsic potential for conversion to carbon dioxide, water and biomass by aerobic microorganisms in an oxygen-rich environment, which is representative of most natural environments. The potential for biodegradation should be verified using alternative tests and criteria, if a deposition in a permanent anaerobic environment (e.g. deep subsurface environments, wetlands and swamps, anoxic zones in oceans and lakes) is expected. NOTE Currently, there are no methodologies or criteria available to verify accumulation due to the lack of biodegradation of plastics in such anaerobic habitats. The plastic materials identified as intrinsically biodegradable following this document can be used in the design of products with a high risk of dispersion whenever the use of biodegradable components is searched by the designer. Intrinsically non-biodegradable components are not susceptible to biodegradation and therefore cannot be removed from the environment by the action of micro-organisms. This factor tends to increase the residence time of products in the environment. In addition, their eventual degradation, mainly due to abiotic factors, results in persistent fragments (microplastics). The test scheme described in this document is not specific to any particular application. Rather, it is a framework methodology that can be used in different industries to identify biodegradable plastics that can be used to make different types of products and for different applications. For the characterisation and environmental assessment of products placed on the market containing plastics identified as biodegradable according to this document, reference is made to the specific product standards, where available. This document only deals with the definition of intrinsic biodegradability of plastic materials, without defining the hazard of the products, which requires a specific assessment that is beyond the scope of this document. The rate of biodegradation of a plastic object as a function of environmental conditions cannot be determined from this document. Therefore, this document is not sufficient to carry out an analysis of the ecological risk associated with the dispersal of products, as this requires an assessment of the intrinsic hazard, of the environmental fate, in addition to the assessment of biodegradability. The methodology described in this document does not apply to applications covered by mandatory regulations.

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prEN IEC 60335-2-42:2026/prA1:2026 Public enquiry
Comment end date 2026-08-05
Household and similar electrical appliances - Safety - Part 2-42: Particular requirements for commercial electric forced convection ovens, steam cookers and steam-convection ovens

This European Standard deals with the safety of electrically operated commercial forced convection ovens, steam cookers, steam-convection ovens and, exclusive of any other use, steam generators, not intended for household use. The rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances. Appliances within the scope of this standard are typically used in restaurants, canteens, hospitals and commercial enterprises such as bakeries, butcheries, etc

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ISO/IEC DIS 25330-1 Public enquiry
Comment end date 2026-08-07
Information security — Oblivious transfer — Part 1: General
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prEN 2288 Public enquiry
Comment end date 2026-09-01
Aerospace series - Bush, flanged, corrosion resisting steel, with self-lubricating liner - Dimensions and loads
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prEN IEC 62841-4-14:2026 Public enquiry
Comment end date 2026-09-16
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-14: Particular requirements for pruning saws
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prEN 12457-1 Public enquiry
Comment end date 2026-09-15
Granular waste materials, sludges, soil, soil-like materials and sediments - Leaching - Compliance test for leaching - Part 1: One-stage batch test at a liquid-to-solid ratio of 2 L/kg for materials with particle size below 4 mm (without or with size reduction)

This document in the series specifies a compliance test providing information on leaching of granular waste materials, sludges, soil, soil-like materials and sediments under the experimental conditions specified hereafter, and particularly a liquid to solid ratio of 2 L/kg dry matter. It applies to materials which have a particle size below 4 mm without or with size reduction. This document has been developed to investigate the leaching of inorganic and non-volatile organic substances from granular waste materials, sludges, soil, soil-like materials and sediments. It does not take into account the consequences of microbiological processes in organic degradable materials. The test procedure specified in this document produces an eluate which is subsequently characterized physically and chemically according to appropriate standard methods. This document includes two different procedures for eluate preparation prior to analysis, one procedure for non-volatile organic substances, inorganic substances and DOC and one for inorganic substances and DOC. When assessing only the leaching of inorganic substances and DOC, certain precautions are needed when assessing the leaching of organic substances can in some cases be omitted. This procedure cannot be applied to materials with a water content or such a water affinity that a good mixing of the solid with the predetermined quantity of liquid is not achievable. This procedure does not apply to materials reacting with the leachant, leading, for example, to excessive gas emission, a solidifying effect or an excessive heat release. In that case, the material can be wetted prior to carrying out the leaching test. This test cannot be used alone to determine the leaching behaviour of granular waste materials, sludges, soil, soil-like materials and sediments, as specified in EN 12920. This document does not address issues related to health and safety. This procedure cannot be applied to materials with a water content or such a water affinity that a good mixing of the solid with the predetermined quantity of liquid is not achievable. This procedure does not apply to materials reacting with the leachant, leading, for example, to excessive gas emission, a solidifying effect or an excessive heat release. In that case, the material can be wetted prior to carrying out the leaching test. This test cannot be used alone to determine the leaching behaviour of granular waste materials, sludges, soil, soil-like materials and sediments, as specified in EN 12920. This document does not address issues related to health and safety.

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PrLST 1413-12 Public enquiry
Comment end date 2026-08-10
Rendering and plastering mortar. Test methods. Part 12. Determination of freeze/thaw resistance by one-sided freezing and thawing

Šiame standarte pateikiamas tinko skiedinio atsparumo šalčiui vienpusio užšaldymo ir atšildymo metodas. Metodas skirtas tinko skiedinio atsparumo šalčio klasei ir jo eksploatacijos sąlygų kategorijai nustatyti.

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ISO/IEC DIS 25093-1 Public enquiry
Comment end date 2026-08-17
Cybersecurity — Confidential computing — Part 1: Overview and concepts
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prEN 1366-14 Public enquiry
Comment end date 2026-09-08
Fire resistance tests for service installations - Part 14: Partial penetration seals

This part of the EN 1366 series specifies a method of test and criteria for the evaluation (including field of direct application rules) of the ability of a partial penetration seal to maintain the fire resistance of a separating element at the position at which it has been penetrated by a device or devices that passes through one face of the element only. Partial penetration seals are used to seal apertures for electrical sockets, downlighters, media devices, cables and any item which requires an opening to be made in one face of the element of construction but does not include a device which passes through both faces. Supporting constructions are used in this part of the EN 1366 series to represent separating elements such as walls or floors. The supporting construction shall be a system that has been subject to a fire test in accordance with one of the following standards: EN 13381 1 for horizontal membranes, EN 13381 2 for vertical membranes, EN 1364 1 or EN 1365 1 for walls, EN 1366 3 for walls based on a standard supporting construction, or EN 1364 2 or EN 1365 2 for floors. This is referred to throughout this document as the applicable test standard for the supporting construction. This part of the EN 1366 series is used in conjunction with EN 1363 1. The purpose of a test described in this part of the EN 1366 series is to assess the integrity and insulation performance of the partial penetration seal, of the partially penetrating service(s) or device(s) and of the separating element in the surrounding area of the partial penetration seal. Where partial penetration seals are installed in loadbearing elements, it is possible that the loadbearing capacity is also considered. It is not the intention of this test to provide quantitative information on the rate of leakage of smoke and/or hot gases or on the transmission or generation of fumes. Tests in accordance with this part of the EN 1366 series are not intended to supply any information on the ability of the partial penetration seal to withstand stress caused by movements or displacements of the penetrating devices. The risk of spread of fire downwards cannot be assessed with this test. Tests in accordance with this part of the EN 1366 series do not address any risks associated with leakage of dangerous liquids or gases caused by failure of the device in case of fire.

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prEN ISO 11074 Public enquiry
Comment end date 2026-09-08
Soil quality - Vocabulary (ISO/DIS 11074:2026)

This document defines terms used in the field of soil quality.

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EN 1991-1-2:2024/prA1 Public enquiry
Comment end date 2026-08-06
Eurocode 1 - Actions on structures - Part 1-2: Actions on structures exposed to fire

1.1 Scope of EN 1991 1 2 (1) The methods given in this Eurocode are applicable to buildings and civil engineering works, with a fire load related to the building and its occupancy. (2) EN 1991 1 2 deals with thermal and mechanical actions on structures exposed to fire. It is intended to be used in conjunction with the fire design Parts of EN 1992 to EN 1996 and EN 1999 which give rules for designing structures for fire resistance. (3) EN 1991 1 2 contains thermal actions either nominal or physically based. More data and models for physically based thermal actions are given in annexes. (4) EN 1991 1 2 does not cover the assessment of the damage of a structure after a fire. (5) EN 1991 1 2 does not cover supplementary requirements concerning, for example: - the possible installation and maintenance of sprinkler systems; - conditions on occupancy of building or fire compartment; - the use of approved insulation and coating materials, including their maintenance. 1.2 Assumptions (1) In addition to the general assumptions of EN 1990 the following assumptions apply: - any active and passive fire protection systems taken into account in the design will be adequately maintained; - the choice of the relevant design fire scenario is made by appropriate qualified and experienced personnel, or is given by the relevant national regulation.

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prEN 16230-1 Public enquiry
Comment end date 2026-08-20
Leisure karts - Part 1: Safety requirements and test methods for karts

This document is applicable for karts that are not intended to be used on public roads. This document applies to: - leisure karts only; - karts propelled by a combustion engine, including LPG combustion engines; - karts propelled by an electric powertrain where the working voltage is below 30 V AC rms and 60 V DC. The traction battery is a Li-ion battery or a lead acid battery; - karts used on indoor and outdoor tracks, permanent or temporary; - karts used on supervised tracks designed for leisure karting, with a sealed ground (such as asphalt, concrete, ice or snow). This document does not apply to: - karts used for competition organized by and under the responsibility of the CIK-FIA and/or ASN, ensuring through the granting of licenses by an ASN or one of its affiliated members as defined in the International Sporting code, compliance with the safety, sporting, disciplinary and technical rules of the CIAK-FIA and/ or ASN; - karts designed exclusively for competition and toys; - cross country karts; - karts with two or more seats; - karts used on tracks not mentioned above (such as mud, earth); - karts used in amusement parks (refer to EN 13814-1:2019+A1:2024 [1] for these installations). The requirements related to the hazards of swappable battery propulsion systems are not covered in this document. The requirements related to whole-body vibration are not covered in this document. This document specifies appropriate measures to eliminate or reduce the risks arising from significant hazards, hazardous situations and events (see Clause 6) during operation and maintenance of the karts, when carried out as intended by the manufacturer. Safety in karting activities is dependent on a correct interaction between leisure karts and the track equipment and facilities. General recommendations for tracks to be used for leisure karting are included in this part of the standard. This document is not applicable to karts that are manufactured before the date of publication of this document by CEN. NOTE Specific requirements for tracks design and operation will be included in a future Part 2 of this standard.

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