Pregled nacrta

prEN 4731 - Aerospace series — Spectral quality of LED luminaires used with photoluminescent marking systems
Odbor: HZN/TU T1 (Prijevoz, rukovanje materijalima i pakiranje 1)
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Rok za komentiranje: 2026-06-16
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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.

prEN 18288 - Artificial Intelligence - Taxonomy of AI tasks in computer vision
Odbor: HZN/TO 579 (Robotika, sustavi automatizacije i integracije)
Ustanova izvornika:
Rok za komentiranje: 2026-06-16
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This document describes a taxonomy of the AI tasks related to computer vision. It includes AI tasks pertaining to either the analysis or generation of images and videos.

prEN 14532-1 - Welding consumables - Test methods and quality requirements - Part 1: Primary methods and assessment of consumables for steel, nickel and nickel alloys
Odbor: HZN/TO 44 (Zavarivanje i srodni postupci)
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This document describes the basic verification tests, the testing methods, the amount of testing and the requirements for the qualification of welding consumables for steel, nickel and nickel alloys intended for all fields of application. 
This document describes a wide range of tests, which are appropriate for the majority of applications. When supplementary tests are required (see EN 14532-2), these can be carried out at any time without the need to repeat the primary tests.
NOTE Additional information is given in Annex O.
prEN 1401-1 - Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the systems
Odbor: HZN/TO 138 (Plastične cijevi, spojnice i ventili za prijenos tekućina)
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Rok za komentiranje: 2026-06-16
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This document specifies the definitions and requirements for solid wall pipes with smooth internal and external surfaces, extruded from the same formulation throughout the wall, fittings and the system of unplasticized poly(vinyl chloride) (PVC-U) piping systems in the field of non-pressure underground drains and sewers for wastewater.
NOTE 1 Products complying with this document can also be used in non-pressure underground drains and sewers for surface water.
This document also specifies test methods and test parameters.
This document is applicable to:
- solid wall pipes and fittings which are intended to be used buried underground outside the building structure reflected in the marking of the products by “U”, and
- solid wall pipes and fittings which are intended to be used buried underground both outside (application area code “U”) and within the building structure reflecting on the marking of products by “UD”.
NOTE 2 Multilayer pipes with different formulations throughout the wall and foamed core pipes are covered by EN 13476-2 [1]. 
This document covers a range of pipe and fitting sizes, stiffness classes, and gives recommendations concerning colours.
NOTE 3 It is the responsibility of the purchaser or specifier to make the appropriate selection from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
In conjunction with CEN/TS 1401 2 [7] it is applicable to PVC-U pipes and fittings, their joints and to joints with components of other plastics and non-plastics materials intended for buried piping systems for non-pressure underground drains and sewers.
NOTE 4 Pipes, fittings and other components conforming to any of the plastics product standards listed in Annex C can be used with pipes and fittings conforming to this document, provided they conform to the requirements for joint dimensions given in Clause 10 and to the requirements of Table 16.
prEN 16925 - Fixed firefighting systems - Automatic residential sprinkler systems - Design, installation and maintenance
Odbor: HZN/TO 21 (Protupožarna i vatrogasna oprema)
Ustanova izvornika:
Rok za komentiranje: 2026-06-16
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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.

EN 1993-1-2:2024/prA1 - Eurocode 3 - Design of steel structures - Part 1-2: Structural fire design
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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1.1 Scope of prEN 1993-1-2
(1) This document provides rules for the design of steel structures for the accidental situation of fire exposure. This Part of EN 1993 only identifies differences from, or supplements to, normal temperature design.
(2) This document applies to steel structures required to fulfil a loadbearing function.
(3) This document does not include rules for separating function.
(4) This document gives principles and application rules for the design of structures for specified requirements in respect of the aforementioned function and the levels of performance.
(5) This document applies to structures, or parts of structures, that are within the scope of EN 1993 1 1 and are designed accordingly.
(6) This document is intended to be used in conjunction with EN 1991-1-2, EN 1993-1-1, EN 1993 1-3, EN 1993-1-4, EN 1993-1-5, EN 1993-1-6, EN 1993-1-7, EN 1993-1-8, EN 1993-1-11, EN 1993-1-13 or EN 1993-1-14.
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 1993-1-2 are applicable if
- the execution quality is as specified in EN 1090-2 and/or EN 1090-4, and
- the construction materials and products used are as specified in prEN 1993-1-1:2020, Table 5.1 and Table 5.2 and in prEN 1993-1-3:2022, Table 5.1 and Table 5.2, or in the relevant material and product specifications.
(3) 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 fire protection measure taken into account in the design will be adequately maintained.
EN 1993-1-8:2024/prA1 - Eurocode 3 - Design of steel structures - Part 1-8: Joints
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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1.1 Scope of FprEN 1993-1-8
(1) FprEN 1993-1-8 provides rules for structural design of joints subject to predominantly static loading using all steel grades from S235 up to and including S700, unless otherwise stated in individual clauses.
NOTE As an alternative to the design rules provided in Clause 9, the design rules given in CEN/TR 1993-1-801 "Eurocode 3: Design of steel structures - Part 1 801: Hollow section joints design according to the component method" can be used.
(2) The provisions in this document apply to steels complying with the requirements given in EN 1993 1 1 and to material thickness greater than or equal to 3 mm, unless otherwise stated in individual clauses.
1.2 Assumptions
(1) Unless specifically stated, EN 1990, EN 1991 (all parts) and the other relevant parts of EN 1993-1 (all parts) apply.
(2) The design methods given in FprEN 1993-1-8 are applicable if:
- the execution quality is as specified in EN 1090-2,
and
- the construction materials and products used are as specified in the relevant parts of EN 1993 (all parts), or in the relevant material and product specifications.
EN 1996-1-1:2022/prA1 - Eurocode 6 - Design of masonry structures - Part 1-1: General rules for reinforced and unreinforced masonry structures
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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(1) The basis for the design of building and civil engineering works in masonry is given in this Part 1-1 of EN 1996, which deals with unreinforced masonry, reinforced masonry and confined masonry. Principles for the design of prestressed masonry are also given. This Part 1-1 of EN 1996 is not valid for masonry elements with a plan area of less than 0,04 m2.
(2) For those types of structures not covered entirely, for new structural uses for established materials, for new materials, or where actions and other influences outside normal experience have to be resisted, the provisions given in this Part 1-1 of EN 1996 may be applicable, but may need to be supplemented.
(3) Part 1-1 of EN 1996 gives detailed rules which are mainly applicable to ordinary buildings. The applicability of these rules may be limited, for practical reasons or due to simplifications; any limits of applicability are given in the text where necessary.
(4) Part 1-1 of EN 1996 does not cover:
- resistance to fire (which is dealt with in EN 1996-1-2);
- particular aspects of special types of building (for example, dynamic effects on tall buildings);
- particular aspects of special types of civil engineering works (such as masonry bridges, dams, chimneys or liquid-retaining structures);
- particular aspects of special types of structures (such as arches or domes);
- masonry where gypsum, with or without cement, mortars are used;
- masonry where the units are not laid in a regular pattern of courses (rubble masonry);
- masonry reinforced with other materials than steel.
EN 1996-1-2:2024/prA1 - Eurocode 6 - Design of masonry structures - Part 1-2: Structural fire design
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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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.
EN 1996-2:2024/prA1 - Eurocode 6 - Design of masonry structures - Part 2: Design considerations, selection of materials and execution
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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(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.
EN 1996-3:2023/prA1 - Eurocode 6 - Design of masonry structures - Part 3: Simplified calculation methods for unreinforced masonry structures
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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1.1 Scope of EN 1996-3
(1) This document provides simplified calculation methods to facilitate the design of the following unreinforced masonry walls, subject to certain conditions of application:
- walls subjected to vertical and wind loading;
- walls subjected to concentrated loads;
- shear walls;
- basement walls subjected to lateral earth pressure and vertical loading;
- walls subjected to lateral loading but not subjected to vertical loading.
NOTE 1 For those types of masonry structures or parts of structures not covered by (1), the design can be based on EN 1996-1-1.
NOTE 2 The rules given in this document are consistent with those given in EN 1996-1-1 but are more conservative in respect of the conditions and limitations of their use.
(2) This document applies only to those masonry structures, or parts thereof, that are described in EN 1996-1-1 and EN 1996-2.
(3) The simplified calculation methods given in this document do not cover the design of double-leaf walls.
(4) The simplified calculation methods given in this document do not cover the design for accidental situations.
1.2 Assumptions
(1) The assumptions of EN 1990 apply to this document.
(2) This document is intended to be used, for direct application, together with EN 1990, the EN 1991 series, EN 1996 1-1, EN 1996-1-2 and EN 1996-2.
(3) The rules given in this document assume that concrete floors are designed according to EN 1992-1-1.
prEN 1995-1-3 - Eurocode 5 - Design of timber structures - Part 1-3: Timber-concrete composite structures
Odbor: HZN/TO 548 (Konstrukcijski eurokodovi)
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(1) EN 1995-1-3 gives design rules for timber-concrete composite structures.
(2) EN 1995-1-3 provides requirements for materials, design parameters, connections, detailing and execution for timber-concrete composite structures. 
NOTE: Recommendations for environmental parameters (temperature and moisture content), design methods and test methods are given in Annexes.
(3) EN 1995-1-3 covers the design of timber-concrete composite structures in both quasi-constant and variable environmental conditions. It provides design rules for quasi-constant environmental conditions rules for variable environmental conditions.
(4) EN 1995-1-3 excludes details for the design of glued timber-concrete composites and systems relying on friction.
NOTE: For design of bridges see EN 1995-2.
prEN ISO 23019 - Railway applications - Driving simulator for drivers' training (ISO 23019:2022)
Odbor: HZN/TO 528 (Oprema za željeznice)
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This document specifies requirements for railway driving simulators for drivers' training. It defines the minimum functions and performances for a driver training simulator.

This document is applicable to all guided transport systems, including for mainlines, metros, tramways and light rails, as part of public/private transport systems. These vehicles are intended for the operation of intercity, urban and suburban passenger or freight services with self-propelled systems and operated on either segregated or not segregated paths.

Annexes A to D provide additional information.

prEN 14116 - Tanks for transport of dangerous goods - Digital interface for product recognition devices for liquid fuels
Odbor: HZN/TO 534 (Spremnici za teret)
Ustanova izvornika:
Rok za komentiranje: 2026-06-16
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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.

prEN 16905-5 - Gas-fired endothermic engine driven heat pumps - Part 5: Calculation of seasonal performances in heating and cooling mode
Odbor: HZN/TO 502 (Plinski uređaji)
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This part of EN 16905 specifies the calculation of the seasonal performance factor for gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery, to be used outdoors.
This document only applies to appliances with a maximum heat input (based on net calorific value) not exceeding 70 kW at standard rating conditions.
This document only applies to appliances under categories I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P and II2Er3P according to EN 437.
This document only applies to appliances having:
a) gas fired endothermic engines under the control of fully automatic control systems;
b) closed system refrigerant circuits in which the refrigerant does not come into direct contact with the fluid to be cooled or heated;
c) where the temperature of the heat transfer fluid of the heating system (heating water circuit) does not exceed 105 °C during normal operation;
d) where the maximum operating pressure in the:
1) heating water circuit (if installed) does not exceed 6 bar,
2) domestic hot water circuit (if installed) does not exceed 10 bar.
This document applies to GEHP appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.
This document is applicable to GEHP appliances that are intended to be type tested. Requirements for GEHP appliances that are not type tested would need to be subject to further consideration.
nHRN EN 1998-1:2011/NA:2011/A2 - Eurokod 8: Projektiranje potresne otpornosti konstrukcija – 1. dio: Opća pravila, potresna djelovanja i pravila za zgrade – Nacionalni dodatak
Odbor: HZN/TO 548/PO 8 (Konstrukcijski eurokodovi)
Ustanova izvornika:
Rok za komentiranje: 2026-06-20
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Ovaj dokument određuje vrijednosti nacionalnih parametara ili određenih postupaka proračuna uz normu
HRN EN 1998-1:2011 i primjenjuje se zajedno s tom normom.

prEN ISO 10426-1 - Oil and gas industries including lower carbon energy - Cements and materials for well cementing - Part 1: Specification (ISO/DIS 10426-1:2026)
Odbor: HZN/TO 506 (Materijali, oprema i konstrukcije za naftnu industriju, prirodni plin i geotermalnu vodu)
Ustanova izvornika:
Rok za komentiranje: 2026-06-21
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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.

prEN ISO 7799 - Metallic materials - Sheet and strip 3 mm thick or less - Reverse bend test (ISO/DIS 7799:2026)
Odbor: HZN/TO 503 (Metalni materijali)
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Specifies the method for determining the ability of sheet and strip to undergo plastic deformation in reverse bending. Can be applied to aluminium and its alloys only after previous agreement. The reverse bend test consists of repeated bending through 90 , in opposite directions, of a rectangular test piece held at one end, each bend being over a cylindrical support of specified radius.

prEN ISO 13606-4 - Health informatics - Electronic health record communication - Part 4: Security (ISO/FDIS 13606-4:2026)
Odbor: HZN/TO 215 (Zdravstvena informatika)
Ustanova izvornika:
Rok za komentiranje: 2026-06-22
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This document describes a methodology for specifying the privileges necessary to access EHR data. This methodology forms part of the overall EHR communications architecture defined in ISO 13606-1.
This document seeks to address those requirements uniquely pertaining to EHR communications and to represent and communicate EHR-specific information that will inform an access decision. It also refers to general security requirements that apply to EHR communications and points at technical solutions and standards that specify details on services meeting these security needs.
NOTE Security requirements for EHR systems not related to the communication of EHRs are outside the scope of this document.

prEN ISO 22075 - Solid recovered fuels - Real-time determination of parameters by near-infrared spectroscopy (ISO/DIS 22075:2026)
Odbor: HZN/TO 572 (Kruti oporabljeni materijali uključujući kruta oporabljena goriva)
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Rok za komentiranje: 2026-06-22
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This document specifies a test method for continuous process analysis (real-time analysis) using near-infrared spectroscopy for the indirect determination of the following fuel-characterising parameters:
 
— total chlorine content;
— water content;
— heating value.
 
NOTE When accuracy is proven, real-time analysis can be supplemented by further fuel-characterising parameters.
 
This document applies to solid recovered fuels according to ISO 21640.