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prEN ISO 9613-2 Viešoji apklausa

Komentavimo iki data 2024-12-09

Akustika. Atviroje erdvėje sklindančio garso silpimas. 2 dalis. Ekspertinis garso slėgio lygių prognozavimo atviroje erdvėje metodas (ISO 9613-2:2024)

This document specifies an engineering method for calculating the attenuation of sound during propagation outdoors in order to predict the levels of environmental noise at a distance from a variety of sources. The method predicts the equivalent continuous A-weighted sound pressure level (as described in ISO 1996-series) under meteorological conditions favourable to propagation from sources of known sound emission. These conditions are for downwind propagation or, equivalently, propagation under a well-developed moderate ground‑based temperature inversion, such as commonly occurs in clear, calm nights. Inversion conditions over extended water surfaces are not covered and may result in higher sound pressure levels than predicted from this document (see e.g. References [11] and [12]). The method also predicts a long-term average A‑weighted sound pressure level as specified in ISO 1996-1 and ISO 1996-2. The long-term average A‑weighted sound pressure level encompasses levels for a wide variety of meteorological conditions. Guidance has been provided to derive a meteorological correction based on the angular wind distribution relevant for the reference or long-term time interval as specified in ISO 1996-1:2016, 3.2.1 and 3.2.2. Examples for reference time intervals are day, night, or the hour of the night with the largest value of the sound pressure level. Long-term time intervals over which the sound of a series of reference time intervals is averaged or assessed representing a significant fraction of a year (e.g. 3 months, 6 months or 1 year). The method specified in this document consists specifically of octave band algorithms (with nominal mid-band frequencies from 63 Hz to 8 kHz) for calculating the attenuation of sound which originates from a point sound source, or an assembly of point sources. The source (or sources) may be moving or stationary. Specific terms are provided in the algorithms for the following physical effects: — geometrical divergence; — atmospheric absorption; — ground effect; — reflection from surfaces; — screening by obstacles. Additional information concerning propagation through foliage, industrial sites and housing is given in Annex A. The directivity of chimney-stacks to support the sound predictions for industrial sites has been included with Annex B. An example how the far-distance meteorological correction C0 can be determined from the local wind-climatology is given in Annex C. Experiences of the last decades how to predict the sound pressure levels caused by wind turbines is summarized in Annex D. The method is applicable in practice to a great variety of noise sources and environments. It is applicable, directly, or indirectly, to most situations concerning road or rail traffic, industrial noise sources, construction activities, and many other ground-based noise sources. It does not apply to sound from aircraft in flight, or to blast waves from mining, military, or similar operations. To apply the method of this document, several parameters need to be known with respect to the geometry of the source and of the environment, the ground surface characteristics, and the source strength in terms of octave band sound power levels for directions relevant to the propagation. If only A‑weighted sound power levels of the sources are known, the attenuation terms for 500 Hz may be used to estimate the resulting attenuation. The accuracy of the method and the limitations to its use in practice are d

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prEN ISO 16484-6 Viešoji apklausa

Komentavimo iki data 2024-11-23

Pastatų automatizavimo ir valdymo sistemos. 6 dalis. Duomenų perdavimo atitikties tikrinimas (ISO/FDIS 16484-6:2024)

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 18135 Viešoji apklausa

Komentavimo iki data 2024-12-21

Tampriosios, tekstilinės, laminuotosios ir modulinės mechaniškai sujungiamos grindų dangos. Žiedinė ekonomika. Grindų dangų ir jų pagrindų pasai

This document specifies the minimum and optional content of the product passport and the unified code (definition of symbols, abbreviated terms, ...) relating to the identification of floor coverings and underlays excluding their packaging necessary for the implementation of a circular economy. The intended use of this document is to provide information that allows different stakeholders to assess floor coverings and underlays on product content, environmental information, reuse, and/or recycling potential.

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EN IEC 55016-1-1:2019/prA1:2024 (Frag 2) Viešoji apklausa

Komentavimo iki data 2024-12-14

1 keitinys. 2 fragmentas. Trūkiųjų trikdžių analizatorius

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prEN IEC 61267:2024 Viešoji apklausa

Komentavimo iki data 2024-12-21

Medicininė diagnostinė rentgeno įranga. Spinduliuotės sąlygos, naudojamos charakteristikoms nustatyti (IEC 61267)

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prEN 13084-6 Viešoji apklausa

Komentavimo iki data 2024-12-15

Savilaikiai dūmtraukiai. 6 dalis. Plieniniai vidiniai vamzdžiai. Projektavimas ir įrengimas

This document deals with special requirements and performance criteria for the design of lining systems made of steel for free standing chimneys. It specifies the requirements for cylindrical steel liners as stated in EN 13084 1. This document covers the design of the following three basic types of liners located in a load bearing structure: a) base supported liner; b) sectional liner; c) top hung liner. Additionally this document applies to single wall chimneys regarding their contact with flue gases. For simplicity, these various designs will generally be referred to herein as "liners". The mechanical requirement is not part of this document, for information see prEN 1993 3. NOTE Liners built from prefabricated metal chimneys in accordance with EN 1856 1:2009 and EN 1856 2:2009 are installed as base supported liners with additional supports and guides as defined in this document.

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prEN ISO/IEC 19896-1 Viešoji apklausa

Komentavimo iki data 2024-12-15

Informacijos saugumas, kibernetinis saugumas ir privatumo apsauga. Kompetencijos reikalavimai, keliami IT saugumo atitikties vertinimo įstaigų personalui. 1 dalis. Apžvalga ir sąvokos (ISO/IEC DIS 19896-1:2024)

ISO/IEC 19896-1:2018 defines terms and establishes an organized set of concepts and relationships to understand the competency requirements for information security assurance conformance-testing and evaluation specialists, thereby establishing a basis for shared understanding of the concepts and principles central to the ISO/IEC 19896 series across its user communities. It provides fundamental information to users of the ISO/IEC 19896 series.

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prEN 305 550-6 V1.1.0 (2024-10) Viešoji apklausa

Komentavimo iki data 2024-12-11

Trumpojo nuotolio įtaisai, naudojami nuo 40 GHz iki 260 GHz dažnių diapazone. Prieigos prie radijo ryšio spektro darnusis standartas. 6 dalis. Specialieji nustatymo radijo bangomis atvejai. Lygio talpykloje matavimo radarų ir lygio matavimo radarų įranga, veikianti nuo 116 GHz iki 148,5 GHz, nuo 167 GHz iki 182 GHz ir nuo 231,5 GHz iki 250 GHz dažnių diapazonuose

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prEN 16781 Viešoji apklausa

Komentavimo iki data 2024-12-21

Tekstiliniai vaiko priežiūros gaminiai. Vaikiškoms lovelėms skirtų miegmaišių saugos reikalavimai ir bandymo metodai

This document specifies requirements for the safety of children's sleep bags which are used in the children's domestic sleeping environment (i.e. not under supervision) and designed to provide sufficient warmth so as to remove the need for additional bedding when sleeping in a cot or similar product (e.g. crib/cradle) in which a child is contained. It is applicable to products for use by children up to the age of 24 months. NOTE The informative Annex F lists topics of further investigations, which might lead to necessary improvement of the safety requirements of children's sleep bags. This document does not apply to products - designed for use during the care of premature children, or - designed for children of low birth weight (i.e. 2,5 kg - see B.1), or - for use by children who have the ability to climb out of a cot, or - for use by children when sleeping in a bed, or - for outdoor use or to products designed to keep a child warm in a pushchair or car seats (e.g. foot muff). If a part of the children's sleep bag is designed to offer additional function (e.g. play function), this part will, in addition to the following requirements, be subjected to safety requirements related to relevant standards (see B.1).

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prEN 10342 Viešoji apklausa

Komentavimo iki data 2024-12-21

Magnetinės medžiagos. Elektrotechninio plieno lakštų, juostų ir šerdies plokštelių paviršiaus izoliacijos klasifikavimas

This document establishes a classification of surface insulations for electrical steel sheet, strip and laminations according to their general composition, relative insulating ability and function. These surface insulations are either oxide layers or applied coatings. The purpose of this classification is to create a nomenclature for the various types of surface insulations and to assist users of surface insulations by providing general information about the chemical nature and use of the surface insulations. It is not the intent of this classification to specify insulation requirements in terms of specific values of surface insulation resistance. Such requirements are to be agreed between the purchaser and the steel producer, where applicable. The classification is to be used in conjunction with the various specifications for cold rolled electrical steels (see Clause 2).

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prEN 14354 Viešoji apklausa

Komentavimo iki data 2024-12-21

Medienos skydai. Lukštinė grindų danga

This document defines terms and specifies requirements and test methods for wood veneer floor coverings for internal use. This document is not applicable to multilayer parquets according to EN 13489 with a top layer thickness ≥ 2,5 mm and to modular mechanical locked floor covering (MMF) panels with wear resistant top layer according EN 16511.

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prEN IEC 60079-42:2024 Viešoji apklausa

Komentavimo iki data 2024-12-14

Sprogiosios atmosferos. 42 dalis. Elektriniai saugos įtaisai, kuriais kontroliuojami Ex įrangos potecialūs uždegimo šaltiniai

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prEN IEC 61116:2024 Viešoji apklausa

Komentavimo iki data 2024-12-14

Mažųjų vandens jėgainių elektromechaninės įrangos vadovas

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prEN IEC 62841-3-16:2024 Viešoji apklausa

Komentavimo iki data 2024-12-14

Elektriniai varikliniai rankiniai įrankiai. Kilnojamieji įrankiai ir vejų bei sodų mašinos. Sauga. 3-16 dalis. Ypatingieji reikalavimai, keliami kilnojamiesiems juostiniams šlifuotuvams, diskiniams šlifuotuvams ir juostiniams-diskiniams šlifuotuvams

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prEN IEC 63349-1:2024 Viešoji apklausa

Komentavimo iki data 2024-12-14

Prie fotovoltinių sistemų jungiamų prietaisų valdikliai. 1 dalis. Bendrieji reikalavimai

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EN ISO 10993-23:2021/prA1 Viešoji apklausa

Komentavimo iki data 2024-12-13

Biologinis medicinos priemonių įvertinimas. 23 dalis. Tyrimai dirginimui nustatyti. 1 keitinys. Papildomi in vitro atkurto žmogaus epidermio modeliai (ISO 10993-23:2021/DAmd1:2024)

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prEN ISO 9806 Viešoji apklausa

Komentavimo iki data 2024-12-11

Saulės energija. Saulės šiluminės energijos kolektoriai. Bandymo metodai (ISO/DIS 9806:2024)

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prEN ISO 10012 Viešoji apklausa

Komentavimo iki data 2024-12-13

Kokybės vadyba. Matavimų kokybės vadybos sistemoms keliami reikalavimai (ISO/DIS 10012:2024)

This International Standard specifies the requirements for a measurement management system (MMS) when an organization: a. needs to demonstrate its ability to consistently ensure confidence in validity and reliability of measurement results and thereby to provide a consistent level of measurement quality for an organization’s products and services, b. aims to rely on reliable and valid measurement results useful to enhance customer satisfaction and effectively apply its measurement management system processes, c. implements processes for a measurement management system that enhance conformity with customer, statutory and regulatory requirements. All the requirements of this International Standard are generic and intended to apply to any organization, whatever its type or size, or the products and services it provides. This International Standard is not intended to substitute requirements for, or to add requirements to the general requirements for the competence of testing and calibration laboratories specified in ISO/IEC 17025.

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prEN ISO 18227 Viešoji apklausa

Komentavimo iki data 2024-12-11

Aplinkos kietosios terpės. Elementinės sudėties nustatymas rentgeno fluorescencine spektrometrija (ISO/DIS 18227:2024)

This document specifies the procedure for a quantitative determination of major and trace element concentrations in homogeneous solid waste, soil, soil-like material and sludge by energy dispersive X-ray fluorescence (EDXRF) spectrometry or wavelength dispersive X-ray fluorescence (WDXRF) spectrometry using a calibration with matrix-matched standards. This document is applicable for the following elements: Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Br, Rb, Sr, Y, Zr, Nb, Mo, Ag, Cd, Sn, Sb, Te, I, Cs, Ba, Ta, W, Hg, Tl, Pb, Bi, Th and U. Concentration levels between approximately 0,000 1 % and 100 % can be determined depending on the element and the instrument used.

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prEN ISO 5659 Viešoji apklausa

Komentavimo iki data 2024-12-14

Plastikai. Dūmų susidarymas. Optinio tankio nustatymas bandant atskiroje kameroje (ISO/DIS 5659:2024)

This document specifies a method of measuring smoke production from the exposed surface of specimens of materials or composites. It is applicable to specimens that have an essentially flat surface and do not exceed 25 mm in thickness when placed in a horizontal orientation and subjected to specified levels of thermal irradiance in a closed cabinet with or without the application of a pilot flame. This method of test is applicable to all plastics. It is intended that the values of optical density determined by this test be taken as specific to the specimen or assembly material in the form and thickness tested and are not to be considered inherent, fundamental properties. The test is intended primarily for use in research and development and fire safety engineering in buildings, trains, ships, etc. and not as a basis for ratings for building codes or other purposes. No basis is provided for predicting the density of smoke that can be generated by the materials upon exposure to heat and flame under other (actual) exposure conditions. This test procedure excludes the effect of irritants on the eye. NOTE This test procedure addresses the loss of visibility due to smoke density, which generally is not related to irritancy potency (see Annex E). It is emphasized that smoke production from a material varies according to the irradiance level to which the specimen is exposed. The results yielded from the method specified in this document are based on exposure to the specific irradiance levels of 25 kW/m2 and 50 kW/m2.

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prEN ISO 2081 Viešoji apklausa

Komentavimo iki data 2024-12-13

Metalinės ir kitokios neorganinės dangos. Chromo (VI) turinčiais tirpalais apdoroto cinko elektrocheminės dangos ant geležies arba plieno (ISO/DIS 2081:2024)

ISO 2081:2018 specifies requirements for electroplated coatings of zinc with supplementary treatments on iron or steel. It includes information to be supplied by the purchaser to the electroplater, and the requirements for heat treatment before and after electroplating. ISO 2081:2018 is not applicable to zinc coatings applied - to sheet, strip or wire in the non-fabricated form, - to close-coiled springs, or - for purposes other than protective or decorative. ISO 2081:2018 does not specify requirements for the surface condition of the basis metal prior to electroplating with zinc. However, defects in the surface of the basis metal can adversely affect the appearance and performance of the coating. The coating thickness that can be applied to threaded components can be limited by dimensional requirements, including class or fit.

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prEN ISO 17971 Viešoji apklausa

Komentavimo iki data 2024-12-07

Tekstilė. Išmanioji tekstilė. Medžiagos ir talpinių jutiklinių ekranų sąsajos bandymo metodas (ISO/DIS 17971:2024)

This document specifies a test method for determining the screen touch property of the textiles. The method is applicable to all types of fabrics which are intended to be used for products that could handle the screen.

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prEN 13126-12 Viešoji apklausa

Komentavimo iki data 2024-11-30

Statybiniai apkaustai. Langų ir prancūziškųjų langų apkaustai. Reikalavimai ir bandymo metodai. 12 dalis. Viename šone įtvirtinti išsikišę apgręžiamieji apkaustai

This document specifies requirements and test methods for durability, strength, security and function for side hung projecting reversible hardware for windows and door height windows. Note This document is applicable to side hung projecting reversible hardware whether fitted with integral restrictors or not. Where any restrictor is used it is intended to be tested in accordance with EN 13126-5.

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prEN 14972-2 Viešoji apklausa

Komentavimo iki data 2024-12-14

Stacionariosios gaisro gesinimo sistemos. Vandens rūko sistemos. 2 dalis. Prekybos vietoms skirtų automatinių purkštukų sistemų bandymo protokolas

This document specifies the evaluation of the fire performance of water mist systems for shopping areas, adjacent storage areas, and similar areas. This document is only applicable for horizontal, solid, flat ceilings with heights of 2,6 m and above. This document does not cover storage with movable racks or shelves.

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prEN 18120-13 Viešoji apklausa

Komentavimo iki data 2024-12-07

Pakuotės. Į perdirbimą orientuotas plastikinių pakuočių projektavimas. 13 dalis. Plastikinių pakuočių perdirbamumo įvertinimo procesas. PE ir PP lanksčiosioms pakuotėms skirti protokolai

This document covers the design of PE and PP flexible packaging with respect to compatibility of the design with recycling processes available for PE and PP packaging. Packaging constituents and components used in/on PE and PP flexible packaging but made of materials other than PE and PP are also covered by this document as these need to be evaluated for compatibility with PE and PP mechanical recycling processes.

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