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This document specifies requirements and tests for the construction, performance, safety and production of battery powered class 1,5 Capillary Thermal-Mass Flow sensor gas meters (hereinafter referred to as meter(s)). This applies to meters having co-axial single pipe, or two pipe connections, which are used to measure volumes of fuel gases of the 2nd and/or 3rd family, as given in EN 437:2018. In general, the term “thermal mass flow meters” applies to a flow-measuring device using heat transfer to measure and indicate gas flowrate, as defined in ISO 14511. NOTE 1 Although the word “mass” is present in the definition of the measurement principle, gas meters covered by this document provide measurement of gas at base conditions of temperature and pressure. These meters have a maximum working pressure not exceeding 0,5 bar and a maximum flowrate not exceeding 160 m3/h over a minimum ambient temperature range of −10 °C to +40 °C and a gas temperature range as specified by the manufacturer with a minimum range of 40 °C. This document applies to meters indicating volume at base conditions, which are installed in locations with vibration and shocks of low significance. It applies to meters in: - closed locations (indoor or outdoor with protection, as specified by the manufacturer) with condensing humidity or with non-condensing humidity; or, if specified by the manufacturer: - open locations (outdoor without any covering) both with condensing humidity or with non-condensing humidity; and in locations with electromagnetic disturbances likely to be found in residential, commercial and light industrial use. For meters which indicate unconverted volume, reference can be made to Annex C. Unless otherwise stated, all pressures given in this document are gauge pressures. Requirements for electronic indexes, valves and additional requirements for batteries incorporated in the meter and any other additional functionalities are given in EN 16314:2013. Unless otherwise stated in a particular test, the tests are carried out on meters that include additional functionality devices intended by the manufacturer. Clauses 1 to 13 are for design and type testing only.

(1) This document applies to concrete for structures cast in situ, precast structures, and structural precast products for buildings and civil engineering structures. (2) The concrete under this document can be: - normal-weight, heavy-weight and lightweight; - mixed on site, ready-mixed or produced in a plant for precast concrete products; - compacted or self-compacting to retain no appreciable amount of entrapped air other than entrained air. (3) This document specifies requirements for: - the constituents of concrete; - the properties of fresh and hardened concrete; - the limitations for concrete composition; - the specification of concrete; - the delivery of fresh concrete, - the production control procedures; - the assessment criteria for individual values. (4) This document does not apply to: - aerated concrete; - foamed concrete; - concrete with density less than 800 kg/m3; - refractory concrete. (5) This document does not cover health and safety requirements for the protection of workers during production and delivery of concrete.

(1) This document specifies the scheme for the conformity assessment and assessment criteria for concrete. (2) The document provides technical rules for testing of samples and assessment of the performance of the concrete. It also provides rules for actions to be followed in the event of non-conformity of the product or negative assessment. (3) In this document, the word “concrete” is used to refer concrete as defined in prEN 206 1. Such a concrete is produced at a given plant and belongs to a particular type and a particular strength class, as defined and specified in prEN 206 1.

(1) This document specifies additional requirements to prEN 206 1 for the constituents, specification and conformity control of concrete used in: - bored piles constructed in accordance with EN 1536; - diaphragm walls constructed in accordance with EN 1538; - cast-in-place displacement piles constructed in accordance with EN 12699; - micropiles constructed in accordance with EN 14199. (2) The requirements provided in this document are specified in accordance with prEN 206 1:2024, 7.2 Specifications for designed concrete. (3) This document can also apply to applications in special geotechnical works other than those listed above. NOTE 1 For special geotechnical works provisions on cement, minimum cement content, minimum fines content, maximum water/binder ratio, target values of fresh concrete properties and maximum tolerances for target values can deviate from the provisions for other works in prEN 206 1. (4) This document is based on the assumption that the specification is based on considerations including the site conditions and the conditions for execution of concrete used in special geotechnical works. NOTE 2 Guidance for the specification of concrete used in special geotechnical works can be found in the informative Annex A.

This document specifies checks, measurement methods and procedures in order to verify the fitness for purpose of the installed ventilation systems and air conditioning systems according to design. It establishes a procedure intended to technically support the handing over and inspection of these systems. This document enables the choice between checks and measurements when sufficient, and additional measurements, when necessary. This document applies to mechanical ventilation systems (including the mechanical part of hybrid systems) and full and (partial) air conditioning systems in non-residential (parts of) buildings. This document does not apply to: — heat generating systems and their control; — refrigerating systems and their control; — distribution of heating and cooling medium to the air handling units; — compressed air supplying systems; — water conditioning systems; — central steam generating systems for air humidifying; — electric supply systems. This document is not applicable to ventilation systems and air conditioning systems for industrial or other special process environments.

This document specifies the methods for the chemical analysis of cement. This document describes the reference methods and, in certain cases, an alternative method which can be considered to be equivalent. In the case of a dispute, only the reference methods are used. An alternative performance-based method using X-ray fluorescence (XRF) is described for SiO2, Al2O3, Fe2O3, CaO, MgO, SO3, K2O, Na2O, TiO2, P2O5, Mn2O3, SrO, Cl and Br. This method is based on beads of fused sample and analytical validation using certified reference materials, together with performance criteria. A method based on pressed pellets of un-fused sample can be considered as equivalent, providing that the analytical performance satisfies the same criteria. An alternative performance-based method using inductively coupled plasma optical emission spectroscopy (ICP-OES) is described for SO3. When correctly calibrated according to the specified procedures and reference materials, XRF and ICP-OES provides methods equivalent to the reference methods but has not been validated for use yet as a reference procedure for conformity and dispute purposes. They can be applied to other relevant elements when adequate calibrations have been established. Any other methods can be used provided they are calibrated, either against the reference methods or against internationally accepted reference materials, in order to demonstrate their equivalence. This document describes methods which apply principally to cements, but which can also be applied to their constituent materials. They can also be applied to other materials, the standards for which call up these methods. Standard specifications state which methods are to be used.

This document specifies the additional requirements to EN 81-20:2020 for passenger and goods passenger lifts, which can be used to support faster evacuation of persons with disabilities and persons with walking difficulties, including in case of fire alarm. This document does not apply to: - lifts installed into buildings which are not in accordance with Annex C; - lifts for evacuation due to circumstances which introduce other hazards such as explosion threat, chemical or biological attack, flooding, storm damage, or earthquake. In these cases, this document can be used as a basis with further measures as required from risk assessment. The following significant hazards are out of the scope of this document (see Table 2): - fire or smoke in the evacuation lift well, safe areas or machinery spaces; - ingress of water to the lift well during evacuation process; - insufficient or incorrectly located evacuation lifts; - insufficient evacuation capacity; - entrapment in waiting area (safe area) due to absence of lift service or adjacent stairs; - structural collapse or failure of building services (including public supply network, lighting, ventilation) before the evacuation using lifts has been completed; - presence of harmful gases, potentially explosive atmosphere, extreme climate conditions, transport of dangerous goods.

This document specifies the required properties of the piping system and its components made from glass reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) intended to be used for drainage or sewerage without pressure including culverts.

It is the responsibility of the purchaser or specifier to make the appropriate selections taking into account their particular requirements and any relevant national regulations and installation practices or codes. This document is applicable to non-circular GRP-UP pipes, with flexible or rigid joints, primarily intended for use in buried installations but may also be used to reline existing non-circular pipe lines.

NOTE 1 GRP-UP includes pipes with vinyl ester liners or made entirely from vinyl ester.

NOTE 2 Piping systems conforming to this document can be used also for non-buried applications provided the influence of the environment, e.g. from UV-radiation, and the supports are considered in the design of the pipes, fittings and joints. This document is applicable to pipes, fittings and their joints of nominal sizes from DN 150 to DN 4000, which are intended to be used for the conveyance of surface water or sewage at temperatures up to 50 °C.

1.1 Scope of prEN 19100 3 (1) This document gives design rules for glass components and assemblies primarily subjected to in-plane loading. It also covers effects of loads acting both in-plane and parallel to the plane produced by the neutral axes of the component, including construction rules for joints connecting in-plane loaded glass components. 1.2 Assumptions (1) The assumptions of EN 1990, prEN 19100-1 and prEN 19100-2 apply. (2) This document is intended to be used in conjunction with, EN 1990, EN 1991 (all parts), EN 1993-1-1, EN 1995 1 1, EN 1998 (all parts), EN 1999 1 1, prEN 19100-1, prEN 19100-2 and EN 12488.

This document specifies the characteristics of performance for single and multi-wall system chimneys with rigid metal liners composed of chimney sections, chimney fittings, terminals and supports with nominal diameter up to and including 1 200 mm, used to convey the products of combustion from appliances to the outside atmosphere. This document also specifies characteristics for the air supply ducts of concentric chimneys for room-sealed application, made out of metal or plastic (without fibre stabilization). Additionally, it specifies assessment and verification of constancy of performance (AVCP). NOTE 1 Metal liners and metal connecting flue pipes, not covered, are included in prEN 1856-2:2021. NOTE 2 This document does not apply to structurally independent chimneys.

1.1 Scope of prEN 19100-1 (1) This document gives basic design rules for glass structures, assemblies and components. This document is concerned with the requirements for resistance, serviceability, fracture characteristics and glass component failure consequences in relation to human safety, robustness and redundancy of glass structures. (2) This document covers the basis of design, structural design, materials, durability, and construction rules. 1.2 Assumptions (1) The assumptions given in EN 1990 apply. (2) This document is intended to be used in conjunction with EN 1990, EN 1991 (all parts), the parts of EN 1992 to EN 1999 where glass structures or glass components are referred to within those documents and EN 12488.

This document provides rules on how to apply EN 81-71:2022 to existing lifts to improve their vandal resistance. It is detailing the general requirement for vandal resistance as referred to in EN 81-80:2019, Annex A, Table A.1, No. 1.2. NOTE EN 81-71:2018 referenced in EN 81-80:2019 has been replaced by EN 81-71:2022 without technical changes. The reference to category 0 has been removed. This document applies to permanently installed lifts serving defined landing levels, having a car designed for the transportation of persons or persons and goods.

This document specifies a test method for determination of the activity concentrations of the radionuclides potassium (K-40), uranium (U-238) and thorium (Th-232) in mineral-based construction products.  

This document also specifies a method for the calculation of activity index (AI) according to Directive 2013/59/EURATOM, Annex 8 [12] for mineral-based construction products.  

The method is intended to be used for factory production control. 

This document provides rules on how to apply EN 81-20:2020 and EN 81-70:2021+A1:2022 to existing lifts to improve their accessibility and usability for persons including persons with disability. It is detailing the general requirement for accessibility as referred to in EN 81-80:2019, Annex A, Table A.1, No. 1.1. NOTE EN 81-70:2018 referenced in EN 81 80:2019 has been replaced by EN 81-70:2021+A1:2022. This document applies to permanently installed lifts serving defined landing levels, having a car designed for the transportation of persons or persons and goods. This document does not cover lifts with destination control system.

This document specifies requirements and test methods for durability, strength, security and function for top hung projecting hardware for windows and door height windows. Note This document is applicable to top 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.

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.

This document specifies requirements for and gives recommendations on the design of potable water installations according to EN 806-1.

This document specifies terms and definitions, classification and marking, materials, requirements, test methods, inspection rules as well as marking, packaging, transport and storage of exhaust high efficiency filtration unit（EFU）used in risky biosafety facilities. This document is applicable to EFU used to remove harmful bio-aerosol in biosafety facilities. Reference may be made to this standard for the EFU for similar purposes. This document is not applicable to EFU for removing radioactive aerosol.

This document specifies requirements for and gives recommendations on the design, installation, alteration, testing, maintenance and operation of installations inside buildings conveying water intended for human consumption (hereafter referred to as potable water installations) within buildings and, for certain purposes, pipework outside buildings but within the premises (see Figure 1). It covers the system of pipelines, fittings and connected appliances installed for supplying potable water from the delivery point to the point of use.

1.1 Scope of prEN 19100-2 (1) prEN 19100-2 gives basic structural design rules for glass components and assemblies primarily subjected to out-of-plane loading. NOTE Out-of-plane loads are loads acting normal to (e. g. wind) or having a component (e. g. dead load, snow) acting normal to the glass plane. 1.2 Assumptions (1) The assumptions given in EN 1990 apply.