Standartų projektų sąrašas

prEN IEC 60674-3-1:2025 Archyvuotas

Komentavimo iki data 2025-11-28

Elektrotechninės plastikinės plėvelės. 3 dalis. Specialiųjų medžiagų techniniai reikalavimai. 1 lapas. Dviašės orientacijos polipropileno (PP) plėvelė, naudojama kondensatoriams

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prEN 17542-5 Viešoji apklausa

Komentavimo iki data 2025-12-07

Žemės darbai. Geotechniniai laboratoriniai bandymai. 5 dalis. Bandymo metodas vienmačiam grunto brinkimui matuoti naudojant edometrą

This document describes the reference methods for the determination of swelling, swelling pressure, magnitude or potential of one-dimensional swelling of a soil when subjected, in the presence of water, to vertical stresses under oedometric conditions. It is used to assess the behaviour of earthwork platform that may be affected by the presence of swelling soils. These methods are used to determine three parameters related with the swelling of a soil: the swelling pressure, the swelling index and the constrained swelling pressure. These test methods specify the technique for specimen preparation, apparatus and procedure for quantifying the amount of height change associated with swelling and procedures for reporting test results. The procedures given in these test methods are applicable to undisturbed, remoulded, recompacted or reconstituted specimens.

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prEN ISO 25151 Viešoji apklausa

Komentavimo iki data 2025-12-23

Avalynė. Avalynės ir padų komponentų atsparumas gniuždymui (ISO/DIS 25151:2025)

This document specifies a procedure for compression fatigue testing of footwear of any intended use and sole components such as insoles, midsoles or sheet materials

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prEN IEC 61290-3-2:2025 Viešoji apklausa

Komentavimo iki data 2025-12-31

Optiniai stiprintuvai. Bandymo metodai. 3-2 dalis. Triukšmo faktoriaus parametrai. Elektrinio spektro analizatoriaus metodas

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ISO/DIS 18484 Viešoji apklausa

Komentavimo iki data 2026-01-19

Akustika. Pastatų akustinės aplinkos projektavimo procesas

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EN 61770:2009/prAC:2025 Viešoji apklausa

Komentavimo iki data 2025-12-03

Prie vandentiekio tinklo prijungti elektriniai prietaisai. Grįžtamojo sifonavimo ir žarnų sistemos gedimo išvengimas

The standard specifies requirements for appliances for household and similar purposes to prevent the backflow of non-potable water into the water mains. It also specifies requirements for hose sets used for connecting such appliances to the water mains that supply water at a pressure not exceeding 1 MPa.

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prEN ISO 15936 Viešoji apklausa

Komentavimo iki data 2025-12-09

Dirvožemis, atliekos, apdorotos biologinės atliekos ir dumblas. Visuminės organinės anglies nustatymas sausai deginant (ISO/DIS 15936:2025)

Specifies a method for the determination of the total carbon content in soil after dry combustion. The organic carbon content is calculated from this content after correcting for carbonates present in the sample. If carbonates are removed beforehand, the organic carbon content is measured directly. Applicable to all types of air-dried soil samples.

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prEN ISO 25325 Viešoji apklausa

Komentavimo iki data 2025-12-23

Moksliniais tikslais nardantiems asmenims padedančių narų mokymo reikalavimai (ISO/DIS 25325:2025)

This standard specifies the requirements for the training of citizen science divers. The standard shall have a broad scope so as to be applicable to all disciplines of science. This document is applicable to all recreational divers independent of any scientific background (unlike the ISO 8804 standard series which a primarily directed at the scientific diving community). A citizen science diver is competent in basic underwater scientific methodologies and protocols and shall be able to assist in scientific diving activities. This standard will specify competencies, prerequisites for training, Introductory information, Required theoretical knowledge, Required practical skills, Practical training parameters and Evaluation criteria for training systems aimed at training citizen science divers.

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prEN 13598-1 Viešoji apklausa

Komentavimo iki data 2026-01-27

Beslėgio požeminio nuotakyno plastikinių vamzdžių sistemos. Neplastifikuotas polivinilchloridas (PVC-U), polipropilenas (PP) ir polietilenas (PE). 1 dalis. Pagalbinių detalių ir negilių apžiūros šulinėlių techniniai reikalavimai

This document is part of a System Standard for plastics piping systems of a particular material for a specified application. There are a number of such System Standards. System Standards are based on the results of the work being undertaken in ISO/TC 138 “Plastics pipes, fittings and valves for the transport of fluids”, which is a Technical Committee of the International Organization for Standardization (ISO). They are supported by separate standards on test methods, to which references are made throughout the System Standard. The System Standards are consistent with general standards on functional requirements and on recommended practice for installation. This document specifies the definitions and requirements for unplasticized polyvinyl chloride (PVC-U), polypropylene (PP) and polyethylene (PE) ancillary fittings and shallow chambers intended for use in non-pressure underground drains and sewers for wastewater. This document is applicable to: a) ancillary fittings and shallow chambers, intended for use buried underground outside the building structure; reflected in the marking of products by "U"; b) ancillary fittings and shallow chambers, intended for use buried underground both outside (application area code “U”) and within the building structure, reflected in the marking of products by "UD". This document also covers the jointing of the ancillary fittings and shallow chambers to the piping system. The document is applicable to the following ancillary fittings: - sealed access fittings; - rodding point covers; - rodding tees; - mechanical saddles. Ancillary fittings according to this document are intended for use in pedestrian areas, except rodding tees and mechanical saddles which can also be used in vehicular trafficked areas. Ancillary fittings can be installed to a maximum depth of 6,0 m from ground level, with the exception of rodding point covers with a maximum depth of 2,0 m. Shallow chambers according to this document are intended for use in private drains located in pedestrian areas above the ground water table, to a maximum depth of 2,0 m from ground level to the invert of the main flow channel. This document covers shallow chambers having a base with a flow channel and their joints to the piping system. Ancillary fittings and shallow chambers can be manufactured by various methods e.g. injection moulding, rotational moulding, spiral winding or fabricated. NOTE 1 Products complying with this document can be used with pipes, fittings and other components conforming to any of the plastics products standards listed in Annex E, providing their dimensions are compatible. NOTE 2 Products complying with this document can be installed in underground applications without additional static calculation. prEN 13598-1:2025 (E) 6 NOTE 3 Ancillary fittings and shallow chambers can be subject to national regulations and / or local provisions.

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prEN ISO 148-3 Viešoji apklausa

Komentavimo iki data 2026-01-11

Metalinės medžiagos. Charpy smūginio tąsumo bandymas. 3 dalis. Sertifikuotų pamatinių Charpy bandinių su V įpjova, skirtų švytuokliniams muštuvams netiesiogiai patikrinti, paruošimas ir apibūdinimas (ISO/DIS 148-3:2025)

ISO 148-3:2016 specifies the requirements, preparation and methods for qualifying test pieces used for the indirect verification of pendulum impact testing machines in accordance with ISO 148‑2. It specifies notched test pieces with nominal dimensions identical to those specified in ISO 148‑1; however, the tolerances are more stringent. NOTE 1 The chemical composition or heat treatment, or both, are varied according to the energy level desired. NOTE 2 Reference test pieces are qualified on reference pendulum impact testing machines which are also described in this part of ISO 148.

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prEN ISO 23345 Viešoji apklausa

Komentavimo iki data 2026-01-25

Juvelyriniai dirbiniai ir brangieji metalai. Neardomasis prabos patvirtinimas taikant energijos dispersija pagrįstą rentgeno fluorescencinę spektrometriją (ED-XRF) (ISO 23345:2021)

This document describes a non-destructive method to verify (confirm) the precious metal fineness of finished and semifinished jewellery item(s) considered homogeneous by ED-XRF (energy dispersive X-ray fluorescence), including alloys according to ISO 9202. This document is not suitable for any coated items. WD-XRF (wavelength dispersive X-ray fluorescence) equipment cannot be used.

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prEN 13160-4 Viešoji apklausa

Komentavimo iki data 2025-12-07

Nuotėkio aptikimo sistemos. 4 dalis. Nuotėkio aptikimo jutikliu sistemų reikalavimai bei bandymo ir (arba) vertinimo metodai

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.

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prEN 4434 Viešoji apklausa

Komentavimo iki data 2025-12-23

Aerospace series - Copper or copper alloy lightweight conductors for electrical cables - Product standard (Normal and tight tolerances)

This document specifies the dimensions, linear resistance, mechanical characteristics, construction and mass of lightweight conductors, normal and tight tolerances, in copper or copper alloy for electrical cables for aerospace applications. It applies to stranded conductors, with a nominal cross-sectional area of 0,15 mm2 to 14 mm2 inclusive. The conductors for thermocouple extension and fire-resistant cables are not covered by this document.

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prEN 50463-2:2025 Viešoji apklausa

Komentavimo iki data 2026-01-02

Geležinkelio taikmenys. Energijos matavimas traukiniuose. 2 dalis. Energijos matavimas

EN 50463-2 covers the requirements applicable to the Energy Measurement Function (EMF) of an Energy Measurement System (EMS) for use on board traction units for measurement of energy supplied directly from/to the Contact Line system. EN 50463-2 also gives requirements for the Current Measurement Function (e.g. current sensor), the Voltage Measurement Function (e.g. voltage sensor) and the Energy Calculation Function (e.g. energy meter).

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prEN IEC 60335-2-101:2025/prAA:2025 Viešoji apklausa

Komentavimo iki data 2026-01-28

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-101 dalis. Ypatingieji reikalavimai, keliami garintuvams

This European Standard deals with the safety of electric vaporizers for household and similar use, their rated voltage being not more than 250 V including direct current (DC) supplied appliances and battery-operated appliances

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prEN ISO 22764 Viešoji apklausa

Komentavimo iki data 2026-01-25

Juvelyriniai dirbiniai ir brangieji metalai. Lydmetalių, naudojamų su juvelyriniais brangiųjų metalų lydiniais, praba (ISO 22764:2020)

This document specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.

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prEN IEC 60794-1-205:2025 Viešoji apklausa

Komentavimo iki data 2025-12-20

Optiniai skaiduliniai kabeliai. 1-205 dalis. Bendroji specifikacija. Pagrindinės optinių kabelių bandymo procedūros. Aplinkos poveikio bandymo metodai. Vandens skverbimasis, F5 metodas

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prEN 81-28 Naujas

Komentavimo iki data 2025-12-02

Liftų konstravimo ir įrengimo saugos taisyklės. Keleiviniai ir krovininiai liftai. 28 dalis. Dvipusio ryšio sistema

This document specifies the technical requirements for the two-way communication system of passenger and goods passenger lifts, to communicate with a reception equipment. This document is not applicable to lifts installed before the date of its publication.

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ISO/IEC 20009-4:2017/DAmd 1 Viešoji apklausa

Komentavimo iki data 2025-12-28

Information technology — Security techniques — Anonymous entity authentication — Part 4: Mechanisms based on weak secrets — Amendment 1

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prEN ISO 16103 Viešoji apklausa

Komentavimo iki data 2025-12-23

Pakuotės. Pakuotės pavojingiesiems kroviniams vežti. Perdirbtųjų plastikinių medžiagų naudojimo sąlygos (ISO/DIS 16103:2025)

ISO 16103:2005 specifies the requirements and test methods for the production of recycled plastics materials to be used for packagings for the transport of dangerous goods. This includes guidance on the quality assurance programme.

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prEN 301 549 V4.1.0 (2025-11) Viešoji apklausa

Komentavimo iki data 2026-02-01

IRT produktų ir paslaugų prieinamumo reikalavimai

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prEN ISO 16484-6 Viešoji apklausa

Komentavimo iki data 2026-01-27

Pastatų automatizavimo ir valdymo sistemos. 6 dalis. Duomenų perdavimo atitikties tikrinimas (ISO/FDIS 16484-6:2025)

This standard provides a comprehensive set of procedures for verifying the correct implementation of each capability claimed on a BACnet PICS including: (a) support of each claimed BACnet service, either as an initiator, executor, or both, (b) support of each claimed BACnet object-type, including both required properties and each claimed optional property, (c) support of the BACnet network layer protocol, (d) support of each claimed data link option, and (e) support of all claimed special functionality.

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prEN IEC 60598-2-18:2025 Archyvuotas

Komentavimo iki data 2025-11-26

Šviestuvai. 2-18 dalis. Ypatingieji reikalavimai. Plaukimo baseinų ir panašių vietų šviestuvai

Peržiūrėti metaduomenis

prEN 14564 Viešoji apklausa

Komentavimo iki data 2025-12-04

Talpyklos pavojingiesiems kroviniams vežti. Terminija

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.

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prEN ISO 14644-13 Viešoji apklausa

Komentavimo iki data 2025-12-25

Švariosios patalpos ir su jomis susijusi kontroliuojamoji aplinka. 13 dalis. Paviršių valymas nustatytam švarumo lygiui pagal dalelių ir cheminių medžiagų koncentracijos klasifikacijas pasiekti (ISO/FDIS 14644-13:2025)

ISO 14644-13:2017 gives guidelines for cleaning to a specified degree on cleanroom surfaces, surfaces of equipment in a cleanroom and surfaces of materials in a cleanroom. Under consideration are all surfaces (external or internal) that are of interest. It provides guidance on the assessment of cleaning methods for achieving the required surface cleanliness by particle concentration (SCP) and surface cleanliness by chemical concentration (SCC) classes and which techniques should be considered to achieve these specified levels. The appropriateness of cleaning techniques will make reference to the cleanliness classes and associated test methods found in ISO 14644‑9 and ISO 14644‑10. The following matters of general guidance will be provided: - expected surface cleanliness levels; - suitability of cleaning methods; - compatibility of surfaces with the cleaning technique; - assessment of cleaning appropriateness. The following will be excluded from this document: - classification of cleaning methods; - product produced within a cleanroom; - specific surface-related cleaning methods; - detailed description of cleaning mechanisms, methods and procedures of various cleaning methods; - detailed material characteristics; - description of damage mechanisms by cleaning processes and time-dependent effects; - references to interactive bonding forces between contaminants and surfaces or generation processes that are usually time-dependent and process-dependent; - other characteristics of particles such as electrostatic charge, ionic charges, etc.; - chemical reactions between molecular contaminants and surfaces; - microbiological aspects of surface cleanliness; - radioactive aspects of contamination; - health and safety considerations; - environmental aspects such as waste disposal, emissions, etc.; - selection and use of statistical methods.

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