Normy

Obsah

ČSN EN 1999-1-1 ed. 2 EN 1999-1-1 gives basic design rules for structures made of wrought aluminium alloys and limited guidance for cast alloys (see Clause 5 and Annex C). This document does not cover the following, unless otherwise explicitly stated in this document: - components with material thickness less than 0,6 mm; - welded components with material thickness less than 1,5 mm; - connections with: - steel bolts and pins with diameter less than 5 mm; - aluminium bolts and pins with diameter less than 8 mm; - rivets and thread forming screws with diameter less than 3,9 mm. In addition to the general assumptions of EN 1990 the following assumptions apply: - execution complies with EN 1090-3 and EN 1090-5; - the mechanical properties comply with the product standards listed in 5.2.2. 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; - EN 1090-5, Execution of steel structures and aluminium structures - Part 5: Technical requirements for cold-formed structural aluminium elements and cold-formed structures for roof, ceiling, floor and wall applications.

Obsah

ČSN 73 6100-5 Toto nové vydání ČSN 73 6100-5 vzniklo z vybraných termínů a zkratek z norem převzatých do soustavy ČSN z komisí CEN/TC 278 a ISO/TC 204 Inteligentní dopravní systémy a ISO/TC 22/SC 39 Ergonomie, dále z přeložené terminologie z ISO/TS 14812:2022 a také doplněním členy TNK o další, v praxi používané termíny ITS.

Obsah

ČSN EN 13480-3 This document specifies the design and calculation of industrial metallic piping systems, including supports, covered by EN 13480 series.

Obsah

ČSN EN IEC 61968-9 ed. 3 This part of IEC 61968 specifies the information content of a set of message types that can be used to support many of the business functions related to meter reading and control. Typical uses of the message types include meter reading, controls, events, customer data synchronization and customer switching. Although intended primarily for electrical distribution networks, IEC 61968-9 can be used for other metering applications, including non-electrical metered quantities necessary to support gas and water networks. The purpose of this document is to define a standard for the integration of metering systems (MS), which includes traditional manual systems, and (one or two-way) automated meter reading (AMR) systems, and meter data management (MDM) systems with other enterprise systems and business functions within the scope of IEC 61968. The scope of this document is the exchange of information between metering systems, MDM systems and other systems within the utility enterprise. The specific details of communication protocols those systems employ are outside the scope of this document. Instead, this document will recognize and model the general capabilities that can be potentially provided by advanced and/or legacy meter infrastructures, including two-way communication capabilities such as load control, dynamic pricing, outage detection, distributed energy resource (DER) control signals and on-request read. In this way, this document will not be impacted by the specification, development and/or deployment of next generation meter infrastructures either through the use of standards or proprietary means. Figure 1 describes the scope of this document from the perspective of direct and causal or indirect impacts of IEC 61968-9 messages. Where the focus of IEC 61968-9 is to define standard messages for the integration of enterprise applications, these messages may be directly or indirectly related to information flows within a broader scope. Examples would include messaging between head end systems and meters or PAN devices. The various components described later in this document will typically fall into either the category of a metering system (MS) head end, an MDM or other enterprise application (e.g. OMS, DRMS, CIS). The capabilities and information provided by a meter reading and meter data management systems are important for a variety of purposes, including (but not limited to) interval data, time-based demand data, time-based energy data (usage and production), outage management, service interruption, service restoration, quality of service monitoring, distribution network analysis, distribution planning, demand response, customer billing and work management. This standard also extends the CIM (Common Information Model) to support the exchange of meter data.

Obsah

ČSN EN 1997-3 1.1 Scope of EN 1997-3 This document provides specific rules to be applied in the design and verification of geotechnical structures. 1.2 Assumptions This document is intended to be used in conjunction with EN 1990, which establishes principles and requirements for the safety, serviceability, robustness, and durability of structures, including geotechnical structures, and other construction works. NOTE - Additional or amended provisions can be necessary for assessment of existing structures, see prEN 1990-2. This document is intended to be used in conjunction with EN 1997-1, which provides general rules for the design and verification of geotechnical structures. This document is intended to be used in conjunction with EN 1997-2, which gives provisions for determining ground properties from ground investigations. This document is intended to be used in conjunction with the other Eurocodes for the design of geotechnical structures, including temporary geotechnical structures.

Obsah

ČSN EN IEC 62232 ed. 3 This document provides methods for the determination of RF field strength, power density and specific absorption rate (SAR) in the vicinity of base stations (BS) for the purpose of evaluating human exposure.

Obsah

ČSN EN ISO 15118-21 This document specifies conformance tests in the form of an abstract test suite (ATS) for a system under test (SUT) that implements an electric-vehicle communication controller (EVCC) or a supply-equipment communication controller (SECC) for all common requirements specified in ISO 15118-20 that are independent of a particular charging type (AC, DC, ACD, WPT charging). These conformance tests specify the testing of capabilities and behaviours of an SUT, as well as checking what is observed against the conformance requirements specified in ISO 15118-20 and against what the implementer states the SUT implementation's capabilities are. The capability tests within the ATS check that the observable capabilities of the SUT are in accordance with the static conformance requirements specified in ISO 15118-20. The behaviour tests of the ATS examine an implementation as thoroughly as practical over the full range of dynamic conformance requirements specified in ISO 15118-20 and within the capabilities of the SUT. A test architecture is described in correspondence to the ATS. The abstract test cases in this document are described leveraging this test architecture and are specified in descriptive tabular format covering the ISO/OSI layer 3 to 7 (network to application layers). In terms of coverage, this document only covers normative sections and requirements in ISO 15118-20. This document additionally refers to specific tests for requirements on referenced standards (e.g. IETF RFCs, W3C Recommendation, etc.) if they are relevant in terms of conformance for implementations according to ISO 15118-20. However, it is explicitly not intended to widen the scope of this conformance specification to such external standards, if it is not technically necessary for the purpose of conformance testing for ISO 15118-20. Furthermore, the conformance tests specified in this document do not include the assessment of performance nor robustness or reliability of an implementation. They cannot provide judgments on the physical realization of abstract service primitives, how a system is implemented, how it provides any requested service, or the environment of the protocol implementation. Furthermore, the abstract test cases specified in this document only consider the communication protocol and the system's behaviour specified in ISO 15118-20. Power flow between the EVSE and the EV is no prerequisite for the test cases specified in this document.

Obsah

ČSN 34 7614 Tato norma byla připravena s cílem pokrýt nejnovější požadavky trhu na kabely pro venkovní vedení s jmenovitým napětím U0/U(Um): 0,6/1 (1,2) kV. Od vydání prvního vydání v roce 1996 a změn v roce 1997 a 2002 byla řada dílčích oddílů zrušena, byly doplněny nové oddíly ze zemí, které nebyly zahrnuty v prvním vydání, byly provedeny technické úpravy a byla aktualizována řada odkazů na normy zkušebních metod. Dokument obsahuje následující části, uspořádané podle hlavních konstrukčních vlastností kabelů, kterých se týká: část 1 - obecné požadavky, část 2 - doplňující zkušební metody, část 3 - samonosné kabely s izolací PE (svazkové žíly), část 4 - samonosné kabely s izolací XLPE (svazkové žíly), část 5 - kabely s nosným lanem a izolací PE (svazkové žíly), část 6 - kabely s nosným lanem a izolací XLPE (svazkové žíly), část 7 - samonosné kabely s izolací a pláštěm z XLPE (svazkové žíly), část 8 - kabely s izolací XLPE a pláštěm z PVC a nosným lanem (svazkové žíly), část 9 - jednožilové kabely a část 10 - přípojkové kabely se středním koncentrickým vodičem.

Obsah

ČSN P CEN/TS 16614-2 This document presents Part 2 of the European Technical Specification known as "NeTEx". NeTEx provides a framework for specifying communications and data exchange protocols for organisations wishing to exchange scheduled Information relating to public transport operations. As defined by Transmodel, 'Public transport' has to be understood as services advertised and available for use by the general public carried out by any means of transport. The XML schema can be downloaded from http://netex-cen.eu (or directly from https://github.com/NeTEx-CEN/NeTEx), along with available guidance on its use, example XML files, and case studies of national and local deployments. This document is highly technical, and a special care has been taken to keep the text readable. In particular a set of formatting conventions is followed that enhances the usual CEN writing rules in order to distinguish references to elements of the formal models within text: Transmodel terms and NeTEx conceptual model elements are in capital letters (JOURNEY PATTERN for example). NeTEx physical model names are in bold italic font and use CamelCase style with no spaces (JourneyPattern, for example). NeTEx physical model attribute types are in italic font and use CamelCase style with no spaces (TypeOfEntity, for example).