Standartų projektų sąrašas

EN 1999-1-1:2023/prA1 Archyvuotas

Komentavimo iki data 2026-05-28

Eurokodas 9. Aliumininių konstrukcijų projektavimas. 1-1 dalis. Bendrosios taisyklės

EN 1999-1-1 gives basic design rules for structures made of wrought aluminium alloys and limited guidance for cast alloys (see Clause 5 and Annex C). This document does not cover the following, unless otherwise explicitly stated in this document: - members with material thickness less than 0,6 mm; - welded members with material thickness less than 1,5 mm; - connections with: - steel bolts and pins with diameter less than 5 mm; - aluminium bolts and pins with diameter less than 8 mm; - rivets and thread forming screws with diameter less than 3,9 mm.

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prEN IEC 60335-2-31:2026 Viešoji apklausa

Komentavimo iki data 2026-06-17

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-31 dalis. Ypatingieji reikalavimai, keliami garų rinktuvams ir kitokiems garų šalintuvams

This European Standard deals ith the safety of electric range hoods and other cooking fume extractors intended for installing above, beside, behind or under household cooking ranges, hobs and similar cooking appliances, their rated voltage being not more than 250 V.

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EN 1999-1-5:2023/prA1 Archyvuotas

Komentavimo iki data 2026-05-28

Eurokodas 9. Aliumininių konstrukcijų projektavimas. 1-5 dalis. Kevalinės konstrukcijos

1.1 Scope of EN 1999-1-5 (1) EN 1999-1-5 applies to the structural design of aluminium structures, stiffened and unstiffened, that have the form of a shell of revolution or of a round panel in monocoque structures. (2) EN 1999-1-5 covers additional provisions to those given in the relevant parts of EN 1999 for design of aluminium structures. NOTE Supplementary information for certain types of shells is given in EN 1993-1-6 and the relevant application parts of EN 1993 which include: - Part 3-1 for towers and masts; - Part 3-2 for chimneys; - Part 4-1 for silos; - Part 4-2 for tanks; - Part 4-3 for pipelines. (4) The provisions in EN 1999-1-5 apply to axisymmetric shells (cylinders, cones, spheres) and associated circular or annular plates, beam section rings and stringer stiffeners, where they form part of the complete structure. (5) Single shell panels (cylindrical, conical or spherical) are not explicitly covered by EN 1999-1-5. However, the provisions can be applicable if the appropriate boundary conditions are duly taken into account. (6) Types of shell walls covered in EN 1999-1-5 can be (see Figure 1.1): - shell wall constructed from flat rolled sheet with adjacent plates connected with butt welds, termed “isotropic”; - shell wall with lap joints formed by connecting adjacent plates with overlapping sections, termed “lap-jointed”; - shell wall with stiffeners attached to the outside, termed “externally stiffened” irrespective of the spacing of stiffeners; - shell wall with the corrugations running up the meridian, termed “axially corrugated”; - shell wall constructed from corrugated sheets with the corrugations running around the shell circumference, termed “circumferentially corrugated”. [Figure 1.1 - Illustration of cylindrical shell form] (7) The provisions of EN 1999-1-5 are intended to be applied within the temperature range defined in EN 1999-1-1. The maximum temperature is restricted so that the influence of creep can be neglected. For structures subject to elevated temperatures associated with fire, see EN 1999-1-2. (8) EN 1999-1-5 does not cover the aspect of leakage. 1.2 Assumptions (1) The general assumptions of EN 1990 apply. (2) The provisions of EN 1999-1-1 apply. (3) The design procedures are valid only when the requirements for execution in EN 1090-3 or other equivalent requirements are complied with. (4) EN 1999 is intended to be used in conjunction with: - European Standards for construction products relevant for aluminium structures; - EN 1090-1, Execution of steel structures and aluminium structures - Part 1: Requirements for conformity assessment of structural components; - EN 1090-3, Execution of steel structures and aluminium structures - Part 3: Technical requirements for aluminium structures.

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EN IEC 62271-213:2021/prA1:2026 Viešoji apklausa

Komentavimo iki data 2026-06-17

Aukštosios įtampos perjungimo ir valdymo įrenginiai. 213 dalis. Įtampos aptikimo ir rodymo sistema

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prEN ISO 445 Archyvuotas

Komentavimo iki data 2026-06-02

Krovinių padėklai. Aiškinamasis žodynas (ISO/DIS 445:2026)

This documents defines terms in the field of pallets for unit load methods of materials handling.

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prEN 295-3 Viešoji apklausa

Komentavimo iki data 2026-06-21

Glazūruotųjų keraminių vamzdžių sistemos, skirtos nuotakynams. 3 dalis. Bandymo metodai

This document specifies requirements for testing of products manufactured from vitrified clay and other materials specified in the following standards: - pipes, fittings and joints according to EN 295-1; - adaptors, connectors and flexible couplings according to EN 295-4; - perforated pipes and fittings according to EN 295-5; - components of manholes and inspection chambers according to EN 295 6; - pipes and joints for pipe jacking according to EN 295-7.

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prEN 300 392-12-22 V1.7.0 (2026-03) Archyvuotas

Komentavimo iki data 2026-06-08

Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 22: Dynamic Group Number Assignment (DGNA)

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prEN IEC 60730-2-3:2026 Archyvuotas

Komentavimo iki data 2026-06-10

Buitiniai ir panašios paskirties automatiniai elektriniai valdymo įtaisai. 2-3 dalis. Ypatingieji reikalavimai, keliami vamzdinių liuminescencinių lempų balastų šiluminiams apsauginiams įtaisams

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prEN IEC 60079-15:2026 Viešoji apklausa

Komentavimo iki data 2026-06-12

Sprogiosios atmosferos. 15 dalis. Įrangos apsauga, naudojant "n" apsaugą

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prEN 300 392-12-16 V1.4.0 (2026-03) Viešoji apklausa

Komentavimo iki data 2026-06-21

Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 16: Pre-emptive Priority Call (PPC)

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EN 60870-5-6:2009/prA1:2026 Viešoji apklausa

Komentavimo iki data 2026-07-01

Nuotolinio valdymo įranga ir sistemos. 5-6 dalis. Atitikties EN 60870-5 šeimos standartams bandymų gairės

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prEN 17984-5 Viešoji apklausa

Komentavimo iki data 2026-07-07

Šunys pagalbininkai. 5 dalis. Šunų pagalbininkų komandų sudarymas ir išlaikymas

This document provides expectations for assistance dog service providers and assistance dog handlers to protect the interests of all stakeholders. It focuses on the creation of successful assistance dog teams by ensuring transparent and fair eligibility for service, matching applicant beneficiaries with available dogs, thoroughly training the teams to become a partnership and sustaining the team by offering lifetime aftercare support as required. The purpose of this document is to help create competent and well-functioning teams, maintaining team quality over the years provided that transparency and responsibilities of all stakeholders to one another are met. Related elements include the following: — application; — applicant - dog matching; — team instruction; — assessing competency of assistance dog teams; — aftercare; — taking a dog out of service (including retirement); — complaints, appeals and disputes; — general rights.

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prEN ISO 7039 Viešoji apklausa

Komentavimo iki data 2026-07-28

Metalinės medžiagos. Tempimo bandymai. Medžiagų jautrumo aukšto slėgio dujų poveikiui tuščiaviduriuose bandiniuose įvertinimo metodas (ISO/DIS 7039:2026)

This document specifies the geometries and proposed finishing procedures of the inner surface of hollow test piece of metallic materials, filled with a high-pressure gaseous medium. The document specifies a tensile testing procedure to evaluate the effect of high-pressure gaseous medium compared to a high-pressure inert gas or air. The document can be used for the screening of metallic materials by evaluating mechanical property changes due to the effects of various test gases, including hydrogen. NOTE Temperature range and pressure range depend on the materials to be tested and test gas to be used.

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prEN ISO 8690 Viešoji apklausa

Komentavimo iki data 2026-06-23

Radioaktyvumo matavimas. Gama ir beta spinduliuotę skleidžiantys radionuklidai. Bandymo metodas paviršių medžiagų dezaktyvavimo lengvumui vertinti (ISO 8690:2024)

This document applies to the testing of surfaces that may become contaminated by radioactive materials. The ease of decontamination is a property of a surface and an important criterion for selecting surface materials used in the nuclear industry, interim storage or disposal facilities from which contamination can be removed easily and rapidly without damaging the surface. The test described in this document is a rapid laboratory-based method to compare the ease of decontamination of different surface materials. The results from the test can be one parameter to take into account when selecting surface coatings such as varnish or impervious layers such as ceramics and other surfaces. The radionuclides used in this test are those commonly found in the nuclear industry (137Cs, 134Cs and 60Co) in aqueous form. The test can also be adopted for use with other radionuclides and other chemical forms, depending on the customer requirements, if the solutions are chemically stable and do not corrode the test specimen. The test does not measure the ease of decontamination of the surface materials in practical use, as this depends on the radionuclide(s) present, their chemical form, the duration of exposure to the contaminant and the environmental conditions amongst other factors. The test method is not intended to describe general decontamination procedures or to assess the efficiency of decontamination procedures (see ISO 7503-1 to ISO 7503-3). The test method is not suitable for use of radiochemicals if the radionuclide emits low energy gamma rays or beta particles that are readily attenuated in the surface.

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prEN 820-5 Viešoji apklausa

Komentavimo iki data 2026-07-23

Modernioji techninė keramika. Monolitinės keramikos termomechaninės savybės. 5 dalis. Tampros modulių nustatymas aukštoje temperatūroje

This part of EN 820 describes methods for determining the elastic moduli, specifically Young's modulus, shear modulus and Poisson's ratio, of advanced monolithic technical ceramics at temperatures above room temperature. The standard prescribes three alternative methods for determining some or all of these three parameters: A the determination of Young's modulus by static flexure of a thin beam in three- or four-point bending. B the determination of Young's modulus by forced longitudinal resonance, or Young's modulus, shear modulus and Poisson's ratio by forced flexural and torsional resonance, of a thin beam. C the determination of Young's modulus from the fundamental natural frequency of a struck bar (impulse excitation method). This part of EN 820 extends the above-defined room-temperature methods described in EN 843-2 to elevated temperatures. All the test methods assume the use of homogeneous test pieces of linear elastic materials. The test assumes that the test piece has isotropic elastic properties. At high porosity levels all of the methods can become inappropriate. The maximum grain size (see EN 623-3), excluding deliberately added whiskers, should be less than 10 % of the minimum dimension of the test piece. NOTE 1 Method C in EN 843-2 based on ultrasonic time of flight measurement has not been incorporated into this part of EN 820. Although the method is feasible to apply, it is specialised, and outside the capabilities of most laboratories. There are also severe restrictions on test piece geometries and methods of achieving pulse transmission. For these reasons this method has not been included in EN 820-5. NOTE 2 The upper temperature limit for this test depends on the properties of the test pieces, and can be limited by softening within the timescale of the test. In addition, for method A there can be limits defined by the choice of test jig construction materials.

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prEN 50549-10:2026 Viešoji apklausa

Komentavimo iki data 2026-07-29

Reikalavimai, keliami lygiagrečiai prie skirstomųjų tinklų jungiamoms elektrinėms. 10 dalis. Elektros energijos gamybos blokų atitikties vertinimo bandymai

The purpose of this document is to provide technical guidance for tests on generating units, interface protection and generating plant controller to evaluate their electrical characteristics. NOTE 1 Mechanical issues are taken into account as far as they influence the electrical characteristics. NOTE 2 Electrical energy storage systems (EESS) in meeting the conditions of 50549-1 and 50549-2 are considered as generating units. The evaluation results are intended to be used to demonstrate conformity of generating units, interface protection and generating plant controller to technical requirements for grid connection. In this context the evaluation results can also be used as part of a certification programme. NOTE 3 Besides the type test results of the generating units, interface protection and generating plant controller all additional elements for connection to the grid (e.g. transformer, cabling, multiple units) are considered in the evaluation of the final installation of a generating plant. The requirements intended to be evaluated are covered in the following standardization documents: - EN 50549-1:2019: Requirements for generating plants to be connected in parallel with distribution networks - Part 1: connection to a LV distribution network - Generating plants up to and including Type B - EN 50549-2:2019: Requirements for generating plants to be connected in parallel with distribution networks - Part 2: Connection to a MV distribution network - Generating plants up to and including Type B If grid connection requirements are dealt with in other documents or for other generating module types, where no specific testing procedure is provided, the testing methods described in this document can be used, if applicable. This document provides evaluation criteria for the conformity assessment of generating units with respect to the above mentioned standardization documents, based on type testing. However, some requirements are applicable on the generating plant level. The assessment of the conformity to these plant requirements is out of scope of this document. Nevertheless, this document can be used to show the capabilities of a generating unit to be used in a generating plant. As a consequence, it is possible that the conformity assessment of a generating unit does not cover all aspects of the above mentioned standardization documents, typically when a requirement is evaluated on plant level. Therefore, the conformity assessment report indicates clearly which clauses of this document are covered and which clauses are not covered. This document recognizes the existence of specific technical test requirements within several member states and these must be complied with.

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EN 1996-1-2:2024/prA1 Viešoji apklausa

Komentavimo iki data 2026-06-25

Eurokodas 6. Mūrinių konstrukcijų projektavimas. 1-2 dalis. Konstrukcijų elgsenos ugnyje projektavimas

1.1 Scope of prEN 1996-1-2 (1) This document gives rules for the design of masonry structures for the accidental situation of fire exposure. This document only identifies differences from, or supplements to, normal temperature design. (2) This document applies to structures, or parts of structures, that are within the scope of EN 1996-1-1 or EN 1996-3 and are designed accordingly. (3) This document gives rules for the design of structures for specified requirements in respect of the aforementioned functions and the levels of performance. (5) This document does not cover masonry built with natural stone units according to EN 771-6. (6) This document deals with: - non-loadbearing internal walls; - non-loadbearing external walls; - loadbearing internal walls with separating or non-separating functions; - loadbearing external walls with separating or non-separating functions. 1.2 Assumptions (1) The assumptions of EN 1990 and EN 1996-1-1 apply to this document. (2) This document is intended to be used together with EN 1990, EN 1991-1-2, EN 1996-1-1, EN 1996 2 and EN 1996-3. (3) In addition to the general assumptions of EN 1990 and EN 1996-1-1, the following assumptions apply: - the choice of the relevant design fire scenario is made by appropriate qualified and experienced personnel, or is given by the relevant national regulation; - any fire protection measure taken into account in the design will be adequately maintained.

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prEN 4731 Viešoji apklausa

Komentavimo iki data 2026-06-30

Aerospace series — Spectral quality of LED luminaires used with photoluminescent marking systems

This document defines a measure for the spectral quality of LED luminaires in terms of the ratio of the amount of visual light emitted by the luminaire versus the amount effective for charging photoluminescent products contained in that spectrum. Fulfilment of this document by a LED luminaire will ensure general compatibility of the luminaire with photoluminescent marking systems. This document alone does not provide any means of compliance to fulfil any airworthiness requirements. For a specific aircraft installation, the spectral power distribution and illuminance at the photoluminescent marking systems are relevant.

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prEN 1865-4 Viešoji apklausa

Komentavimo iki data 2026-07-30

Pacientų perkėlimo įranga, naudojama greitosios medicinos pagalbos automobiliuose. 4 dalis. Sulankstoma paciento pernešimo kėdė

This document specifies minimum requirements for the design and performance of foldable patient transfer chairs, which are used for the conveyance of patients to and/or from road ambulances. It aims to ensure patient safety and to minimize the physical effort required by staff operating the equipment.

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prEN IEC 60335-2-49:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-08-05

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-49 dalis. Ypatingieji reikalavimai, keliami komerciniams elektriniams maisto ir indų šildymo prietaisams

This European Standard deals with the safety of electrically operated commercial appliances for keeping food and crockery warm, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral, and 480 V for other appliances.They are used for commercial purposes, processing of food, also in areas open to the public, for example in kitchens of restaurants, canteens, hospitals and in commercial enterprises, such as bakeries and butcheries. The electrical part of appliances making use of other forms of energy is also within the scope of this standard.

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prEN ISO 10426-1 Viešoji apklausa

Komentavimo iki data 2026-07-02

Naftos ir gamtinių dujų pramonė. Cementai ir medžiagos gręžiniams cementuoti. 1 dalis. Techniniai reikalavimai (ISO/DIS 10426-1:2026)

ISO 10426-1:2009 specifies requirements and gives recommendations for six classes of well cements, including their chemical and physical requirements and procedures for physical testing. ISO 10426-1:2009 is applicable to well cement classes A, B, C and D, which are the products obtained by grinding Portland cement clinker and, if needed, calcium sulfate as an interground additive. Processing additives can be used in the manufacture of cement of these classes. Suitable set-modifying agents can be interground or blended during manufacture of class D cement. ISO 10426-1:2009 is also applicable to well cement classes G and H, which are the products obtained by grinding clinker with no additives other than one or more forms of calcium sulfate, water or chemical additives as required for chromium (VI) reduction.

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prEN ISO 20795-1 rev Viešoji apklausa

Komentavimo iki data 2026-06-30

Odontologija. Pagrindo polimerai. 1 dalis. Dantų plokštelės pagrindo polimerai (ISO/DIS 20795-1:2026)

ISO 20795-1:2013 classifies denture base polymers and copolymers and specifies their requirements. It also specifies the test methods to be used in determining compliance with these requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for use of these materials. Furthermore, it applies to denture base polymers for which the manufacturer claims that the material has improved impact resistance. It also specifies the respective requirement and the test method to be used. ISO 20795-1:2013 applies to denture base polymers such as those listed below: poly(acrylic acid esters); poly(substituted acrylic acid esters); poly(vinyl esters); polystyrene; rubber modified poly(methacrylic acid esters); polycarbonates; polysulfones; poly(dimethacrylic acid esters); polyacetals (polyoxymethylene); copolymers or mixtures of the polymers listed in 1 to 9.

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prEN ISO 1924-2 Viešoji apklausa

Komentavimo iki data 2026-07-30

Popierius ir kartonas. Savybių nustatymas tempiant. 2 dalis. Pailgėjimo tempiant pastoviu greičiu metodas (20 mm/min) (ISO/DIS 1924-2:2026)

ISO 1924-2:2008 specifies a method for measuring the tensile strength, strain at break and tensile energy absorption of paper and board, using a testing machine operating at a constant rate of elongation (20 mm/min). ISO 1924-2:2008 also specifies equations for calculating the tensile index, the tensile energy absorption index and the modulus of elasticity. Testing in conformance with ISO 1924-2:2008 always includes the measurement of tensile strength. Measurement or calculation of other properties is subject to agreement between the parties concerned. ISO 1924-2:2008 is applicable to all papers and boards, including papers with a high strain at break if the results are within the capacity of the testing machine. It also applies to the components of corrugated board but not, however, to corrugated board itself.

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prEN ISO 3630-7 Viešoji apklausa

Komentavimo iki data 2026-07-28

Odontologija. Endodontiniai instrumentai. 7 dalis. Ultragarsiniai instrumentų antgaliai (ISO/DIS 3630-7:2026)

This document is applicable to endodontic ultrasonic inserts, operated in combination with either air or electrically powered stand-alone handpieces or handpieces connecting to dental units. This document specifies requirements and test methods for inserts, and requirements for marking, labeling and packaging.

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EN 1991-1-1:2025/prA1 Viešoji apklausa

Komentavimo iki data 2026-07-02

Eurokodas 1. Poveikiai konstrukcijoms. 1-1 dalis. Medžiagų savitasis svoris, statinių savasis svoris ir pastatų naudojimo apkrovos

(1) EN 1991-1-1 gives rules on the following aspects related to actions, which are relevant to the structural design of buildings and civil engineering works including some geotechnical aspects: - specific weight of construction materials and stored materials; - self-weight of construction works; - imposed loads for buildings. (2) Mean values for specific weight of specific construction materials, additional materials for bridges, stored materials and products are given. In addition, for specific materials and products the angle of repose is provided. (3) Methods for the assessment of the characteristic values of self-weight of construction works are given. (4) Characteristic values of imposed loads are given for the following areas in buildings according to the category of use: - residential, social, commercial and administration areas; - areas for archive, storage and industrial activities; - garage and vehicle traffic areas (excluding bridges); - roofs; - stairs and landings; - terraces and balconies. NOTE The loads on traffic areas given in this standard refer to vehicles up to a gross vehicle weight of 160 kN. Further information can be obtained from EN 1991-2. (5) Characteristic values of horizontal imposed loads on parapets and partition walls acting as barriers are provided. NOTE Forces due to vehicle impact are specified in EN 1991-1-7 and EN 1991-2. 1.2 Assumptions (1) The general assumptions of EN 1990 apply. (2) EN 1991-1-1 is intended to be used with EN 1990, the other parts of EN 1991 and the other Eurocode parts for the design of structures.

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