Standartų projektų sąrašas

prEN ISO 8836 Viešoji apklausa

Komentavimo iki data 2026-05-12

Anestezijos ir kvėpavimo įranga. Kvėpavimo takų siurbimo kateteriai (ISO/DIS 8836:2026)

This document specifies dimensions and requirements for both open and closed suction catheters made of flexible materials and intended for use in suctioning of the respiratory tract. Suction catheters intended for use with flammable anaesthetic gases or agents, lasers or electrosurgical equipment are not covered by this document. NOTE For guidance on airway management during laser surgery of the upper airway, see ISO/TR 11991[4].

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prEN ISO 12135 Viešoji apklausa

Komentavimo iki data 2026-06-07

Metalinės medžiagos. Bendrasis bandymo metodas kvazistatiniam atsparumui trūkimui nustatyti (ISO 12135:2021, įskaitant pataisytą 2022-08 versiją)

This document specifies methods for determining fracture toughness in terms of K, δ, J and R-curves for homogeneous metallic materials subjected to quasistatic loading. Specimens are notched, precracked by fatigue and tested under slowly increasing displacement. The fracture toughness is determined for individual specimens at or after the onset of ductile crack extension or at the onset of ductile crack instability or unstable crack extension. In cases where cracks grow in a stable manner under ductile tearing conditions, a resistance curve describing fracture toughness as a function of crack extension is measured. In some cases in the testing of ferritic materials, unstable crack extension can occur by cleavage or ductile crack initiation and growth, interrupted by cleavage extension. The fracture toughness at crack arrest is not covered by this document. Special testing requirements and analysis procedures are necessary when testing weldments, and these are described in ISO 15653 which is complementary to this document. Statistical variability of the results strongly depends on the fracture type, for instance, fracture toughness associated with cleavage fracture in ferritic steels can show large variation. For applications that require high reliability, a statistical approach can be used to quantify the variability in fracture toughness in the ductile-to-brittle transition region, such as that given in ASTM E1921. However, it is not the purpose of this document to specify the number of tests to be carried out nor how the results of the tests are to be applied or interpreted.

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prEN 18338 Viešoji apklausa

Komentavimo iki data 2026-06-09

Maisto autentiškumas. Vaisių ir daržovių sulčių ir susijusių produktų mėginių paruošimas izotopų santykio analizei

This document describes a method for sample preparation for the determination of C, N and H isotope ratio values in different fractions (sugar and pulp) of fruit and vegetable juices and their derivatives (concentrates, nectars, beverages etc.) by Elemental Analyser-Isotope Ratio Mass Spectrometry (EA-IRMS) or Isotope Ratio Measurement-Deuterium Nuclear Magnetic Resonance Spectroscopy (irm-2H-NMR). It also covers ethanol produced by the fermentation of fruit and vegetable juices, and their derivatives. Sample measurement is not included within this document. This document does not concern the analytical methods after sample preparation, namely methods using IRMS (Isotope Ratio Mass Spectrometry) technique and isotope ratio measurement-deuterium nuclear magnetic resonance spectroscopy (irm-2H-NMR), also known as SNIF-NMR (Site-specific Natural Isotopic Fractionation by Nuclear Magnetic Resonance), used to quantify the isotopic ratios of the following nuclei: 13C/12C, 15N/14N and 2H/1H. The interpretation of the obtained isotope delta values is not covered by this document.

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prEN ISO 4254-19 Viešoji apklausa

Komentavimo iki data 2026-06-02

Žemės ūkio mašinos. Sauga. 19 dalis. Gyvulių pašarų ir kraiko ruošimo mašinos (ISO/DIS 4254-19:2026)

This document, used together with ISO 4254-1, specifies the safety requirements and their verification for the design and construction of livestock feed and bedding machines that have a combination of two or more of the following functions loading, mixing, chopping and distributing materials . In addition, it specifies the type of information on safe working practices to be provided by the manufacturer. NOTE Livestock feed and bedding machines (for example feed mixers, bale processors, silage block cutters) can be stationary, mounted, semi-mounted, interchangeable towed or self-propelled. 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 requirements of this document. This part of ISO 4254 is not applicable to: — machines which pick up or transport crop material directly from the field; — loading cranes; —automated, semi-autonomous and autonomous functions (for example, those covered by ISO 3991) — the integrity of safety-related parts of control systems in relation to the specification of performance levels; — environmental hazards (excluding noise), road safety and hazards associated with moving transmission parts; — hazards associated with maintenance or repairs carried out by professional service personnel. This document deals with the significant hazards, hazardous situations and events relevant to machines for loading, mixing and/or chopping and distributing silage and/or other feedstuffs, when they are used as intended and under the conditions foreseen by the manufacturer as listed in Annex A, except for the hazards arising from: — failure of the control circuit; — inadequate seating; — inadequate lighting; — travelling of machinery related to road safety; — break-up of parts rotating at high speed; This document is not applicable to machines manufactured before the date of publication of this document. Examples of machines and components covered by this document are shown in Annex B.

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prEN 14541-1 Viešoji apklausa

Komentavimo iki data 2026-05-21

Plastikiniai vamzdžiai ir jungiamosios detalės. Perdirbtų termoplastinių medžiagų panaudojimas žiedinėje ekonomikoje. 1 dalis. Aiškinamasis žodynas

This document specifies the general terms and definitions relevant to the utilization of thermoplastics materials in a circular economy in pipes, fittings and ancillaries for both pressure and non-pressure piping systems. This document is intended to be used by specification writers in conjunction with CEN/TS 14541-2 [7] when preparing normative documents under the scope of CEN/TC 155.

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prEN ISO 20471 Viešoji apklausa

Komentavimo iki data 2026-06-09

Apsauginė apranga. Gerai matoma įspėjamoji apranga, skirta didelės rizikos situacijoms. Bandymo metodai ir reikalavimai (ISO/DIS 20471:2026)

ISO 20471:2013 specifies requirements for high visibility clothing which is capable of visually signalling the user's presence. The high visibility clothing is intended to provide conspicuity of the wearer in any light condition when viewed by operators of vehicles or other mechanized equipment during daylight conditions and under illumination of headlights in the dark. Performance requirements are included for colour and retroreflection as well as for the minimum areas and for the placement of the materials in protective clothing.

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prEN 1992-4 Viešoji apklausa

Komentavimo iki data 2026-06-11

Eurokodas 2. Gelžbetoninių konstrukcijų projektavimas. 4 dalis. Betone naudojamų tvirtinimo priemonių projektavimas

(1) EN 1992-4 provides a design method for fastenings (connection of structural elements and non-structural elements to structural components), which are used to transmit actions to the concrete. NOTE 1 Additional rules for the transmission of the fastener loads within the concrete member to its supports are given in EN 1992 1 1:2004, 2.7 and Annex A of this EN. NOTE 2 Inserts embedded in precast concrete elements during production, under Factory Production Control (FPC) conditions and with the due reinforcement, intended for use only during transient situations for lifting and handling, are covered by CEN/TR 15728. (2) EN 1992-4 is intended for safety related applications in which the failure of fastenings can result in collapse or partial collapse of the structure, cause risk to human life or lead to significant economic loss. (3) The support of the fixture can be either statically determinate or statically indeterminate. Each support can consist of one fastener or a group of fasteners. (4) EN 1992-4 is valid for applications which fall within the scope of the EN 1992 series. In applications where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications can be necessary. (5) EN 1992-4 does not cover the design of the fixture. NOTE Rules for the design of the fixture are given in the appropriate standards meeting the requirements on the fixture as given in EN 1992-4.

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prEN IEC 61951-2:2026 Viešoji apklausa

Komentavimo iki data 2026-05-15

Antriniai elementai ir baterijos su šarminiais ar kitokiais nerūgštiniais elektrolitais. Nešiojamieji sandarieji antriniai elementai ir baterijos. 2 dalis. Nikelio-metalo hidrido elementai

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prEN 17762 Viešoji apklausa

Komentavimo iki data 2026-05-19

Neorganinės trąšos. Vario kiekio nustatymas didelį azoto kiekį turinčiose amonio nitrato trąšose

This document specifies a method for the determination of the copper content in ammonium nitrate fertilizers of high nitrogen content. This document is applicable to the fertilizing products blends where a blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants, and where the following category: inorganic fertilizers 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 ISO 15487 Viešoji apklausa

Komentavimo iki data 2026-06-16

Tekstilė. Aprangos ir kitų gatavų tekstilės gaminių išvaizdos vertinimo po buitinio skalbimo ir džiovinimo metodas (ISO/DIS 15487:2026)

This document specifies a method of test for evaluating the appearance of apparel and other textile end products after one or several domestic washing and drying treatments. The appearance evaluated includes colour change, pilling, fuzzing, matting appearance of fabrics, smoothness appearance of flat fabric and seams, and the retention of pressed-in creases in garments and other textile products, damage of components ? buttons, press fasteners, slide fasteners, etc. This document is applicable to any washable textile end product of any fabric construction. Techniques for seaming and creasing are not included since the purpose is to evaluate textile end products as they are supplied from the manufacturer or as ready-to-use. Techniques for seaming and creasing are controlled by fabric properties. This method has been developed primarily for use with domestic washing machines of Type B as defined in ISO 6330, but it can be used with any type of machine defined in ISO 6330. It is recognized that prints and patterns can mask the wrinkled appearance present in textile end products. The rating process is, however, based on the visual appearance of specimens including such effects.

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EN 50615:2015/prA1:2026 Viešoji apklausa

Komentavimo iki data 2026-06-24

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. Įtaisų, skirtų elektrinėms viryklėms ir dujinėms viryklėms su automatinėmis degiklių valdymo sistemomis apsaugoti nuo ugnies ir jai užgesinti, ypatingieji reikalavimai

This European standard deals with the safety of electric devices used for detection, prevention and suppression of fire originated: - from a cooking process, or - from flammable material left on the hob. NOTE The provisions of this document, duly adapted to the specific installation and conditions of use, may be taken into consideration as guidance also for the protection from fire originated from the use of portable cooking appliances or from grills in the oven cavity. The devices covered by this European Standard may operate by interaction with, or integration of, other devices such as smoke detectors, fire detectors, motion detectors, CO detectors and fire extinguishers that are covered by their specific applicable standards.

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prEN ISO 17268-2 Viešoji apklausa

Komentavimo iki data 2026-05-19

Sausumos transporto priemonių pildymo dujiniu vandeniliu jungtys. 2 dalis. Didesnis kaip 120 g/s srauto našumas (ISO/DIS 17268-2:2026)

This document defines the design, safety and operation characteristics of gaseous hydrogen land vehicle (GHLV) refuelling connectors having flow capacities greater than 120 g/s. GHLV refuelling connectors consist of the following components, as applicable: — receptacle and protective cap (mounted on vehicle); — nozzle; — communication hardware. This document is applicable to refuelling connectors which have nominal working pressures or hydrogen service levels up to 70 MPa. This document is not applicable to refuelling connectors dispensing blends of hydrogen with natural gas.

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prEN ISO 22125-1 Viešoji apklausa

Komentavimo iki data 2026-05-25

Vandens kokybė. Technecis 99. 1 dalis. Tyrimo metodas skaičiuojant blyksnius skystyje (ISO/DIS 22125-1:2026)

This document specifies a method for the measurement of 99Tc in all types of waters by liquid scintillation counting (LSC). The method is applicable to test samples of supply/drinking water, rainwater, surface and ground water, as well as cooling water, industrial water, domestic, and industrial wastewater after proper sampling and handling, and test sample preparation. A filtration of the test sample is necessary. The detection limit depends on the sample volume and the instrument used. The method described in this document, using currently available LSC instruments, has a detection limit of approximately 5 Bq·kg−1 to 20 Bq·kg−1, which is lower than the WHO criteria for safe consumption of drinking water (100 Bq l−1)[3]. These values can be achieved with a counting time of 30 min for a sample volume varying between 14 ml to 40 ml. The method presented in this document is not intended for the determination of ultra-trace amount of 99Tc. The activity concentration values in this document are expressed by sample mass unit instead of sample volume unit as it is usually the case in similar standards. The reason is that 99Tc is measured in various matrix types such as fresh water or sea water, which have significant differences in density. The activity concentration values can be easily converted to sample volume unit by measuring the sample volume. However, it increases the uncertainty on the activity concentration result. The method described in this document is applicable in the event of an emergency situation, but not if 99mTc is present at quantities that could cause interference and not if 99mTc is used as a recovery tracer. The analysis of Tc adsorbed to suspended matter is not covered by this method. It is the user's responsibility to ensure the validity of this test method for the water samples tested.

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prEN ISO 19392-1 Viešoji apklausa

Komentavimo iki data 2026-06-09

Dažai ir lakai. Vėjo turbinos rotoriaus menčių dangų sistemos. 1 dalis. Minimalūs reikalavimai prieš atmosferos poveikio ir klimatinius bandymus ir po jų (ISO/DIS 19392-1:2026)

This document specifies minimum requirements and weathering for coating systems for wind-turbine rotor blades.

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prEN ISO 287 Viešoji apklausa

Komentavimo iki data 2026-06-18

Popierius ir kartonas. Partijos drėgmės kiekio nustatymas. Džiovinimo krosnyje metodas (ISO 287:2026)

ISO 287:2017 specifies an oven-drying method for the determination of the moisture content of a lot of paper and board. The procedure in Clause 8, describing how the test pieces are drawn from the lot, is performed at the time of sampling. ISO 287:2017 is applicable to every type of lot of paper and board, including corrugated board and solid board, provided that the paper or board does not contain any substances, other than water, that are volatile at the temperature specified in this document. NOTE For determination of the dry matter content of a sample of paper or board, e.g. for calculation of the dry mass of the sample, ISO 638[1] can be used.

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prEN ISO 18451-1 Viešoji apklausa

Komentavimo iki data 2026-05-21

Pigmentai, dažikliai ir užpildai. Terminija. 1 dalis. Bendrieji terminai (ISO/DIS 18451-1:2026)

This document defines terms that are used in the field of pigments, dyestuffs and extenders. For some terms, reference is made to ISO 4618 in which also terms and definitions for colourants are given, relating to their use in coating materials.

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prEN 18328 Viešoji apklausa

Komentavimo iki data 2026-05-26

Neardomieji bandymai. Termografinis tyrimas. Aktyvioji termografija su induktyviuoju sužadinimu

This document specifies a method and establishes guidelines for non-destructive testing using active thermography with inductive excitation. By using inductive heating of the test object, this active thermography method is suitable for inspecting test objects made of metals or other electrically conductive materials. Such tests are conducted for: - the detection of surface-breaking discontinuities, particularly cracks; and - the detection of discontinuities located near the surface. The functional principle of the defect detection can be based on a direct interaction of defect and excitation signal (defect selective) or an indirect interaction by using derivations of the applied heat flow. For this purpose, active thermography with inductive excitation is conducted using different sources of excitation (inductors) in reflection and transmission configurations. Areas tested in one shot are typically between a few cm2 and a few hundred cm2, depending on the geometry of the used inductor. In dynamic configuration, larger areas can be tested. Fields of application for active thermography with inductive excitation are to be found in industrial manufacturing and in maintenance (vehicle, drive system and power plant components, jointing technique, semi-finished products, etc.). Active thermography with inductive excitation is also called inductive thermography or eddy-current excited thermography.

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prEN IEC 60335-2-25:2026/prAA:2026 Viešoji apklausa

Komentavimo iki data 2026-06-17

Buitiniai ir panašios paskirties elektriniai prietaisai. Sauga. 2-25 dalis. Ypatingieji reikalavimai, keliami mikrobangų krosnelėms, įskaitant kombinuotąsias mikrobangų krosneles

This European Standard deals with the safety of microwave ovens for household and similar use, their rated voltage being not more than 250 V.

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prEN IEC 60794-1-108:2026 Viešoji apklausa

Komentavimo iki data 2026-06-17

Optiniai skaiduliniai kabeliai. 1-108 dalis. Bendroji specifikacija. Pagrindinės optinių kabelių bandymo procedūros. Mechaninių bandymų metodai. Lankstymas, E8 metodas

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prEN ISO 19650-1 Viešoji apklausa

Komentavimo iki data 2026-05-19

Informacijos apie pastatus ir inžinerinius statinius rengimas ir skaitmeninimas, įskaitant statinio informacinį modeliavimą (BIM). Informacijos valdymas. 1 dalis. Sąvokos ir principai (ISO/DIS 19650-1:2026)

This document outlines the concepts and principles for information management at a stage of maturity described as "building information modelling (BIM) according to the ISO 19650 series". This document provides recommendations for a framework to manage information including exchanging, recording, versioning and organizing for all actors. This document is applicable to the whole life cycle of any built asset, including strategic planning, initial design, engineering, development, documentation and construction, day-to-day operation, maintenance, refurbishment, repair and end-of-life. This document can be adapted to assets or projects of any scale and complexity, so as not to hamper the flexibility and versatility that characterize the large range of potential procurement strategies and so as to address the cost of implementing this document.

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EN 1993-1-3:2024/prA1 Viešoji apklausa

Komentavimo iki data 2026-05-28

Eurokodas 3. Plieninių konstrukcijų projektavimas. 1-3 dalis. Šaltai suformuoti elementai ir lakštai

1.1 Scope of prEN 1993-1-3 (1) This document provides rules for structural design of cold-formed steel members and sheeting. (2) This document applies to cold-formed steel products made from coated or uncoated hot- or cold-rolled sheet or strip, which have been cold-formed by processes such as roll-forming or press braking. It also covers sheeting and members which are curved during fabrication by continuous bending or roll-forming. Sheeting which has the curvature created by crushing the inner flanges is not included. This document is also applicable to the design of profiled steel sheeting for composite steel and concrete slabs at the construction stage, see EN 1994. The execution of steel structures made of cold-formed steel members and sheeting is covered in EN 1090 4. Provisions for bolted connections are provided in EN 1090 2. NOTE The rules in prEN 1993 1 3 complement the rules in other parts of EN 1993 1. (3) Methods are also given for stressed-skin design, using steel sheeting as a structural diaphragm. (4) This document does not apply to cold-formed circular and rectangular structural hollow sections supplied to EN 10219, for which reference is made to EN 1993 1 1 and EN 1993 1 8. (5) This document provides methods for design by calculation and for design assisted by testing. The methods for design by calculation apply only within the stated ranges of material properties and geometric proportions, for which sufficient experience and test evidence is available. These limitations do not apply to design assisted by testing. 1.2 Assumptions (1) Unless specifically stated, EN 1990, EN 1991 (all parts) and EN 1993 1 1 apply. (2) The design methods given in prEN 1993 1 3 are applicable if: - the execution quality is as specified in EN 1090 4, the execution quality of bolted connections is as specified in EN 1090 2, and - the construction materials and products are as specified in the relevant parts of EN 1993 (all parts), or in the relevant material and product specifications. (2) EN 1993 is intended to be used in conjunction with: - the parts of EN 1992 to EN 1999 where steel structures or steel components are referred to within those documents; - EN, EAD and ETA standards for construction products relevant to steel structures.

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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 16734 Viešoji apklausa

Komentavimo iki data 2026-06-18

Automobiliniai degalai. Automobilinis B10 dyzelinas. Reikalavimai ir tyrimo metodai

This document specifies requirements and test methods for marketed and delivered automotive B10 diesel fuel, i.e. diesel fuel containing up to 10,0 %(V/V) fatty acid methyl ester (FAME). It is applicable to fuel for use in diesel engine vehicles compatible with automotive B10 diesel fuel. NOTE 1 This product is allowed in Europe [4], but national legislation can set additional requirements or rules concerning, or even prohibiting, marketing or delivering of the product. NOTE 2 For the purposes of this document, the terms "% (m/m)" and "% (V/V)" are used to represent respectively the mass fraction and the volume fraction.

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prEN IEC 61010-2-032:2026 Viešoji apklausa

Komentavimo iki data 2026-05-20

Saugos reikalavimai, keliami elektrinei matavimo, valdymo ir laboratorinei įrangai. 2-032 dalis. Ypatingieji reikalavimai, keliami rankiniams ir ranka valdomiems srovės jutikliams, naudojamiems elektriniams bandymams ir matavimams

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EN 1999-1-2:2023/prA1 Viešoji apklausa

Komentavimo iki data 2026-05-28

Eurokodas 9. Aliumininių konstrukcijų projektavimas. 1-2 dalis. Konstrukcijų elgsenos ugnyje skaičiavimas

1.1 Scope of EN 1999-1-2 (1) EN 1999-1-2 deals with the design of aluminium structures for the accidental situation of fire exposure and is intended to be used in conjunction with EN 1999-1-1, EN 1999-1-2, EN 1999-1-3, EN 1999-1-4 and EN 1999-1-5. This document only identifies differences from, or supplements to, normal temperature design. (2) EN 1999-1-2 applies to aluminium structures required to fulfil a load bearing function. (3) EN 1999-1-2 gives principles and application rules for the design of structures for specified requirements in respect of the aforementioned function and the levels of performance. (4) EN 1999-1-2 applies to structures, or parts of structures, that are within the scope of EN 1999 1 1 and are designed accordingly. (5) The methods given in EN 1999-1-2 are applicable to the following aluminium alloys: EN AW-3004 - H34 EN AW-5083 - O and H12 EN AW-6063 - T5 and T6 EN AW-5005 - O and H34 EN AW-5454 - O and H34 EN AW-6082 - T4 and T6 EN AW-5052 - H34 EN AW-6061 - T6 (6) The methods given in EN 1999-1-2 are applicable also to other aluminium alloy/tempers of EN 1999 1-1, if reliable material properties at elevated temperatures are available or the simplified assumptions in 5.2.1 are applied. 1.2 Assumptions (1) In addition to the general assumptions of EN 1990, 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 active and passive fire protection systems taken into account in the design will be adequately maintained. (2) 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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