Standartų projektų sąrašas

prEN 1948-5 Viešoji apklausa

Komentavimo iki data 2026-07-21

Stacionariųjų taršos šaltinių išmetamieji teršalai. Polichlordibenzo-p-dioksinų (PCDD) bei polichlordibenzofuranų (PCDF) ir dioksinų tipo polichlorbifenilų (PCB) masės koncentracijos nustatymas. 5 dalis. Ilgalaikis polichlordibenzo-p-dioksinų (PCDD) bei polichlordibenzofuranų (PCDF) ir dioksinų tipo polichlorbifenilų (PCB) ėminių ėmimas

This document specifies the long-term sampling of PCDDs/PCDFs/PCBs. There are three different sampling methods, which are based on the three different principles described in EN 1948-1, but partially modified for long-term sampling requirements: — filter/condenser method; — dilution method; — cooled probe method. Each sampling method is illustrated in detail in Annex D. The sampling methods described in this document are designed for a sampling duration of typically up to four weeks. Additionally, this document specifies a framework of quality control requirements for any long-term sampling method. With the methods described, experiences were gained for a concentration range up to 4,0 ng TEQ/m3 at various stationary sources (e.g. waste incinerators, sinter plants, cement kilns). For complete implementation of the measurement method, the use of EN 1948-2 and EN 1948-3 describing extraction, clean-up, identification, and quantification, respectively, is necessary in order to determine PCDDs/PCDFs. Additionally, EN 1948-4 is necessary for PCBs.

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EN 1998-2:2025/prA1 Archyvuotas

Komentavimo iki data 2026-05-28

Eurokodas 8. Atsparių žemės drebėjimui konstrukcijų projektavimas. 2 dalis. Tiltai

EN 1998-2 is intended to be applied to the design of new bridges in seismic regions. It covers the design of reinforced concrete, steel and composite steel-concrete bridges and provides guidance for the design of timber bridges. EN 1998-2 is applicable to the seismic design of bridges exploiting ductility in structural members or through the use of antiseismic devices. When ductility is exploited, this part primarily covers bridges in which the horizontal seismic actions are mainly resisted through bending of the piers or at the abutments; i.e. of bridges composed of vertical or nearly vertical pier systems supporting the traffic deck superstructure. It is also applicable to the seismic design of arched bridges, although its provisions should not be considered as fully covering these cases. Suspension bridges and masonry bridges, moveable bridges and floating bridges are not included in the scope of EN 1998-2.

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prEN 16510-2-8 Viešoji apklausa

Komentavimo iki data 2026-06-09

Gyvenamosioms patalpoms skirti kietojo kuro prietaisai. 2-8 dalis. Patalpų šildymo krosnys, kūrenamos gravimetriniu būdu tiekiamomis granulėmis

This document is applicable to gravimetrically pellet-fed room heaters, inset appliances and cookers. The intended use of the appliances is space heating in residential buildings and can be cooking. These appliances burn wood pellets only as specified in EN ISO 17225. This document is not applicable to appliances which are in addition intended for non-gravimetrically fuelling with wood logs (e.g. from the front on top of the burner pot or even if a cover of the burner pot is provided and intended to be used). This document is not applicable to appliances with fan assisted combustion air, appliances that are mechanically or to appliances fitted with a boiler (integral part of the appliance containing water to be heated up) for the supply of hot water for central heating systems. This document is not applicable to appliances that can operate with fire door open. This document specifies procedures for assessment and verification of constancy of performance (AVCP) of characteristics of solid fuel burning room heaters.

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prEN 14116 Viešoji apklausa

Komentavimo iki data 2026-06-25

Talpyklos pavojingiems kroviniams vežti. Skaitmeninis skystojo kuro atpažintuvo sietuvas

This document covers the digital interface at the product loading and/or discharge coupling which is used for the transfer of product related information and specifies the performance requirements, critical safety aspects and tests to provide compatibility of devices.

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EN 14770:2023/prA1 Viešoji apklausa

Komentavimo iki data 2026-07-05

Bitumas ir bituminiai rišikliai. Kompleksinio šlyties modulio ir fazės kampo nustatymas. Dinaminis šlyties reometras (DSR)

This document specifies a general method of using a dynamic shear rheometer (DSR) for measuring the rheological properties of bituminous binders. The procedure involves determining the complex shear modulus and phase angle of binders over a range of test frequencies and test temperatures when tested in oscillatory shear. From the test, the complex shear modulus, |G*|, and its phase angle, δ, at a given temperature and frequency are calculated, as well as the components G' and G" of the complex shear modulus. This method is applicable to un-aged, aged, stabilized and recovered bituminous binders. The test procedure in accordance with this document is not applicable for bituminous binders with particles larger than 250 μm (e.g. filler material, granulated rubber). WARNING - The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

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ISO/DIS 14880-1 Viešoji apklausa

Komentavimo iki data 2026-07-23

Optika ir fotonika. Mikrolęšių matricos. 1 dalis. Aiškinamasis žodynas

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prEN ISO 29022 Archyvuotas

Komentavimo iki data 2026-06-02

Odontologija. Adhezija. Sanklijos stiprio šlyjant bandymas įtaisu su rantytu galu (ISO/DIS 29022:2026)

ISO 29022:2013 specifies a shear test method used to determine the adhesive bond strength between direct dental restorative materials and tooth structure, e.g. dentine or enamel. The method as described is principally intended for dental adhesives. The method includes substrate selection, storage and handling of tooth structure, as well as the procedure for testing.

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prEN 13749 Viešoji apklausa

Komentavimo iki data 2026-06-16

Geležinkelio taikmenys. Aširačiai ir vežimėliai. Važiuoklės konstrukciniai reikalavimai

This document specifies the requirements for the validation of the structural integrity for the following running gear structural components: - Components in the load path between the track and the car body (e.g. bogie frame, axlebox, or other equivalent components) and - Components that are in the traction and braking load paths without secondary retention. The following components are excluded from the scope of this document: - Structural components that are rigidly attached to the car body (e.g. bolsters directly attached to the car body or connected via slewing rings, centre pivots, etc.); - Equipment structures (e.g. traction motor housings, gearbox housings, and brake units), including components that are rigidly attached to them, that are not in the load path between the track and the car body; - Components for which the structural integrity validation requirements are regulated by other specific EN standards (e.g. wheels, axles, brake discs, bearings, coil springs etc.); - Suspension components including springs, dampers, elastic elements and their connecting elements; - Revolving components (e.g. drive train components etc.).

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EN 1996-2:2024/prA1 Viešoji apklausa

Komentavimo iki data 2026-06-25

Eurokodas 6. Mūrinių konstrukcijų projektavimas. 2 dalis. Projektavimo prielaidos, medžiagų parinkimas ir darbų atlikimas

(1) This document gives basic rules for the selection of materials and execution of masonry to enable it to comply with the design assumptions of the other parts of Eurocode 6. (2) This document deals with ordinary aspects of masonry design and execution including: - selection of masonry materials; - factors affecting the performance and durability of masonry; - masonry detailing, joint finishes, movement joints, resistance of buildings to moisture penetration; - storage, preparation and use of materials on site; - execution of masonry; - masonry protection during execution; (3) This document does not cover the following items: - aesthetic aspects; - applied finishes; 1.2 Assumptions (1) The assumptions of EN 1990 apply to this document. (2) This document is intended to be used together with EN 1990, EN 1991, EN 1996 1-1, EN 1996-1-2 and EN 1996-3. (3) The design of masonry is carried out in accordance with EN 1996 1 1.

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EN IEC 62083:2026/prA1:2026 Viešoji apklausa

Komentavimo iki data 2026-07-22

Medicinos priemonių programinė įranga. Radioterapijos procedūrų planavimo sistemų saugos reikalavimai

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prEN 3034 Viešoji apklausa

Komentavimo iki data 2026-06-30

Aerospace series — Nuts, self-locking, hexagonal with captive washer, — In heat resisting steel FE-PA92HT (A286), silver coated Classification: 1100 MPa/425 °C

This document specifies the dimensions of self-locking, silver coated hexagonal nuts with captive washer and MJ-thread in heat resisting steel FE-PA92HT (A286) for aerospace applications. Maximum test temperature of the parts is 425 °C.

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prEN ISO 21606 Viešoji apklausa

Komentavimo iki data 2026-07-23

Odontologija. Pagalbiniai elastomeriniai ortodontijos reikmenys (ISO/DIS 21606:2026)

This document specifies the requirements and their test methods applicable to all elastomeric auxiliaries used for orthodontics both inside and outside the mouth, in conjunction with fixed and removable appliances.

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prEN 12258-1 Viešoji apklausa

Komentavimo iki data 2026-06-07

Aliuminis ir aliuminio lydiniai. Terminai ir apibrėžtys. 1 dalis. Bendrieji terminai

This European Standard defines general terms relating to products of aluminium and aluminium alloys which are helpful for communication within the aluminium industry and with its customers . It includes terms dealing with aluminium products, processing, sampling and testing, product characteristics and different types of visual quality characteristics. It does not include terms dealing with bauxite mining, alumina and anode production and aluminium smelting. This European Standard tries to adhere as closely as possible to the terms and definitions used in other standards or documents. NOTE For materials other than aluminium, different definitions can apply to terms which are defined in this document. This European Standard tries to follow the "common language" as it is used in native English speaking countries, without giving preference to specific idioms of any one of these counties. In cases where in different English-speaking countries different terms are used for the same concept or different concepts refer to an identical term, the appropriate explanations are given.

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EN 60870-5-103:1998/prA1:2026 Viešoji apklausa

Komentavimo iki data 2026-07-01

Nuotolinio valdymo įrenginiai ir sistemos. 5-103 dalis. Perdavimo protokolai. Informacinio apsauginių įrenginių sietuvo standartas

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prEN ISO 4254-6 Viešoji apklausa

Komentavimo iki data 2026-07-02

Žemės ūkio mašinos. Sauga. 6 dalis. Purkštuvai ir skystųjų trąšų skleistuvai (ISO/DIS 4254-6:2026)

This document, to be used together with ISO 4254-1, specifies the safety requirements and their verification for the design and construction of mounted, semi-mounted, trailed and self-propelled agricultural sprayers for use with plant protection products (PPP) and liquid fertilizer application, as placed on the market by the manufacturer and designed for a single operator only. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer. When requirements of this document are different from those which are stated in ISO 4254-1, the requirements of this document take precedence over the requirements of ISO 4254-1 for machines that have been designed and built according to the provisions of this document. This document, taken together with ISO 4254-1, deals with significant hazards, hazardous situations and events relevant to sprayers and liquid fertilizer distributors when they are used as intended and under the conditions foreseeable by the manufacturer (see Annex A), excepting the hazards arising from: — protection of the driver against spray when spraying (see Foreword); — automatically actuated height adjustment systems; — the environment, other than noise; — moving parts for power transmission except strength requirements for guards and barriers. This document is not applicable to sprayers and liquid fertilizer distributors which are manufactured before the date of publication of this document.

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prEN IEC 80000-15:2026 Viešoji apklausa

Komentavimo iki data 2026-07-22

Dydžiai ir vienetai. 15 dalis. Logaritminiai dydžiai ir jų vienetai

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prEN 18322 Viešoji apklausa

Komentavimo iki data 2026-06-09

Neorganinės trąšos. Organinės anglies kiekio nustatymas sausai deginant

This document specifies a method for the determination of total organic carbon content by elemental analysis using dry combustion. The method is applicable to inorganic fertilizers containing more than 0,1 % carbon expressed on dry mass. NOTE This method can also be applied to other types of fertilizers, provided the user has verified the applicability. This document is applicable to the fertilizing products blends where a blend is a mix of at least two of the following components: inorganic fertilizers, organic fertilizers, organo-mineral fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants and where the following category: inorganic fertilizer is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If inorganic fertilizer is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply. Variations in analytical methods for fertilizing product blends can lead to differing results as some components or matrix interactions can affect the outcome. Validation procedures have shown that developed standard methods are robust and reliable across diverse product compositions, but possible interferences and unexpected results when analysing fertilizing product blends are possible.

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prEN 1865-1 Viešoji apklausa

Komentavimo iki data 2026-07-30

Pacientų perkėlimo įranga, naudojama greitosios medicinos pagalbos automobiliuose. 1 dalis. Bendrosios neštuvų sistemos ir pacientų perkėlimo įranga

This document specifies minimum requirements for the design and performance of stretchers and other patient handling equipment used in road ambulances for the handling and carrying of patients. It aims to ensure patient safety and minimize the physical effort required by staff operating the equipment.

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prEN ISO 6338-2 Viešoji apklausa

Komentavimo iki data 2026-06-07

Išmetamo šiltnamio efektą sukeliančių dujų (ŠESD) kiekio visoje suskystintų gamtinių dujų (SGD) grandinėje skaičiavimas. 2 dalis. Gamtinių dujų gavyba ir transportavimas į SGD įrenginius (ISO 6338-2:2024)

This document provides a method to calculate the greenhouse gas (GHG) emissions during natural gas production (onshore or offshore), gas processing and gas transport to liquefied natural gas (LNG) liquefaction plant. NOTE It can be applied to other gases as biogas or non-traditional types of natural gas. This document covers all facilities associated with producing natural gas, including: — drilling (exploration, appraisal, and development) and production wells; — gas gathering network and boosting stations (if any); — gas processing facilities (if any), transport gas pipelines with compression stations (if any) up to inlet valve of LNG liquefaction plant. This document covers facilities associated with producing other products (such as, but not limited to, domestic gas, condensate, Liquefied Petroleum Gas (LPG), sulphur, power export) to the extent required to allocate GHG emissions to each product. This document covers the upstream facilities “under operation”, including emissions associated with commissioning, initial start-up and restarts after maintenance or upset. This document does not cover the exploration, construction and decommissioning phases or the losses from vegetation coverage. This document covers all GHG emissions associated with production, process and transport of natural gas to the LNG liquefaction plant. These emissions spread across scope 1, scope 2 and scope 3 of the responsible organization, as defined in ISO 6338-1. All emissions sources are covered including flaring, combustion, cold vents, process vents, fugitive leaks and emissions associated with imported energy. Gases covered include CO2, CH4, N2O and fluorinated gases. This document does not cover compensation. This document defines preferred units of measurement and necessary conversions. This document also recommends instrumentation and estimations methods to monitor and report GHG emissions. Some emissions are measured; and some are estimated.

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prEN 16925 Viešoji apklausa

Komentavimo iki data 2026-06-30

Stacionariosios gaisro gesinimo sistemos. Automatinės gyvenamųjų patalpų sprinklerinės sistemos. Projektavimas, įrengimas ir techninė priežiūra

This document specifies requirements and gives recommendations for the design, installation, water supplies and backflow prevention, commissioning, maintenance and testing of fixed residential fire sprinkler systems in buildings for residential occupancies. This document is intended for use by those concerned with purchasing, designing, installing, testing, inspecting, approving, operating and maintaining automatic residential sprinkler systems, in order that such equipment will function as intended throughout its life. This document identifies construction details of buildings which are the minimum necessary for satisfactory performance of residential sprinkler systems complying with this standard. This document applies to any addition, extension, repair or other modification to the residential sprinkler system. This document does not cover situations such as arson where fires of a malicious intent may be started in multiple locations simultaneously.

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EN 1991-1-9:2025/prA1 Viešoji apklausa

Komentavimo iki data 2026-07-02

Eurokodas 1. Poveikiai konstrukcijoms. 1-9 dalis. Atmosferinis apledėjimas

1.1 Scope of EN 1991-1-9 (1) EN 1991 1 9 gives principles and rules to determine the values of loads due to atmospheric icing to be used for following types of structures: - masts; - towers; - antennas and antenna structures; - cables, stays, guy ropes and similar structures; - rope ways (cable railways); - structures for ski-lifts; - buildings or parts of them exposed to potential icing; - special types of structures, such as towers for transmission lines and wind turbines. NOTE Atmospheric icing on electrical overhead lines is covered by EN 50341-1. (2) EN 1991-1-9 specifies values for: - dimensions and weight of accreted ice; - shapes of accreted ice. (3) EN 1991-1-9 covers types of icing, ice loads acting on structures, and falling ice considerations. NOTE For wind actions on iced structures, see EN 1991-1-4. 1.2 Assumptions The assumptions given in EN 1990:2023, 1.2 apply. EN 1991-1-9 is intended to be used with EN 1990 (all parts), the other parts of EN 1991 and EN 1992 (all parts) to EN 1999 (all parts) for the design of structures.

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prEN 14175-9 Viešoji apklausa

Komentavimo iki data 2026-07-21

Traukos spintos. 9 dalis. Vėdinamosios traukos spintos su filtruojamąja vidine recirkuliacija

This document specifies characteristics concerning the design and performance requirements together with type testing and on-site testing procedures especially for ducted filtration fume cupboards (DFFCs) not described in the other parts of EN 14175. Filters in DFFCs can be specific filters or a combination of filters dependent on the characteristics of the contaminants to be removed. This part of EN 14175 is related to and refers to other parts of EN 14175 regarding definitions, technologies, testing methodologies, design factors and functional aspects and is read in conjunction with these. This standard covers the specific layout version of ducted fume cupboards with integral filtration. These devices called ducted filtration fume cupboards can be designed to partially reuse filtered air for internal dilution. Therefore, the term “hybrid” fume cupboards is sometimes used. Fume cupboards with associated filters are considered as standard fume cupboards according EN 14175 1 to EN 14175 3. NOTE Their filter requirements, description and testing are listed in Annex A for information. The requirements for fume cupboards and filters for radioactive work are described in detail in EN 14175 8. Recirculatory filtration fume cabinets which return the filtered exhaust air back into the surrounding room are not part of this document but described in prEN 17242. DFFCs are not foreseen for work with pathogens. Appropriate microbiological cabinets are described in the EN 12469 series.

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prEN IEC 61621:2026 Viešoji apklausa

Komentavimo iki data 2026-07-31

Sausos kietosios izoliacinės medžiagos. Medžiagų atsparumo mažų aukštosios įtampos srovių išlydžiams bandymas

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prEN IEC 61375-2-3:2026 Viešoji apklausa

Komentavimo iki data 2026-07-10

Elektroninė geležinkelio įranga. Traukinio ryšio tinklas (TCN). 2-3 dalis. TCN ryšio profilis

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

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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