Toimialayhteisöt

 

This document specifies the field of application, the dimensional, the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of pipe interrupters with permanent atmospheric vent family D Type C, intended to prevent pollution of potable water by backflow, caused by backsiphoning only. It is applicable to pipe interrupters with permanent atmospheric vent in denominations DN 10 up to DN 20. It covers pipe interrupters with permanent atmospheric vent of PN 10 that are capable of working without modification or adjustment: - at any pressure, up to 1 MPa (10 bar); - with any pressure variation, up to 1 MPa (10 bar); - in permanent duty at a limited temperature of 65 °C and for maximum 1 h at 90 °C. It specifies also the test methods and requirements for verifying their characteristics, the marking and the presentation at delivery. Backflow protection devices integrated in flushing valves are similar to DC and are not covered under this document. The requirements are stated in EN 12541.

 

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: - members with material thickness less than 0,6 mm; - welded members 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.

 

(1) EN 1993-1-1 gives basic design rules for steel structures using all steel grades from S235 up to and including S700 unless otherwise stated in individual clauses. (2) It also gives supplementary provisions for the structural design of steel buildings. These supplementary provisions are indicated by the letter “B” after the paragraph number, thus ( )B.

 

1.1 Scope of EN 1993-1-5 (1) This document provides rules for structural design of stiffened and unstiffened nominally flat plates which are subject to in-plane forces. (2) Non-uniform stress distributions due to shear lag, in-plane load introduction and plate buckling are covered. The effects of out-of-plane loading are outside the scope of this document. NOTE 1 The rules in this part complement the rules for class 1, 2, 3 and 4 sections, see EN 1993-1-1. NOTE 2 For the design of slender plates which are subject to repeated direct stress and/or shear and also fatigue due to out-of-plane bending of plate elements ("breathing"), see EN 1993-2 and EN 1993-6. NOTE 3 For the effects of out-of-plane loading and for the combination of in-plane effects and out-of-plane loading effects, see EN 1993-2 and EN 1993-1-7. (3) Single plate elements are considered as nominally flat where the curvature radius r in the direction perpendicular to the compression satisfies, as illustrated in Figure 1.1: r=b^2/t (1.1) where b is the panel width; t is the plate thickness. Figure 1.1 - Definition of plate curvature 1.2 Assumptions (1) Unless specifically stated, EN 1990, the EN 1991 series and EN 1993-1-1 apply. (2) The design methods given in EN 1993-1-5 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 the EN 1993 series or in the relevant material product specifications.

 

This document specifies methods of sampling bituminous binders, to determine the average quality of the material under examination or to determine deviations from average quality.

 

This document defines the specifications and test methods and also the classification, marking and energy labelling of gas-fired instantaneous water heaters for sanitary uses, hereafter called “water heaters”. This document applies to water heaters: - of types A, B and C as described at the appropriated clauses; NOTE For more information on the configuration of the types of appliances, see EN 1749:2020. - using one or more combustible gases corresponding to the three gas families and at the pressures stated in accordance with EN 437:2021; - of nominal heat input not exceeding 77 kW based on the gross calorific value (GCV); - with an ignition burner or with direct ignition of the main burner. In this document, the heat inputs are expressed in relation to the net calorific value (Hi). This document does not contain all the requirements necessary for: - boiling water appliances; - appliances intended to be connected to a mechanical means of evacuating the combustion products; - appliances which fulfil a dual role of space heating and heating water for sanitary use. This document only covers water heaters where the fan, if any, is an integral part of the appliance. This document is not intended to cover appliances designed and constructed to burn gas containing toxic components.

 

This document specifies requirements and corresponding methods of test for fumed alumina in powder form for paints and varnishes application.

 

WARNING Persons using this document should be familiar with normal laboratory practices. This document does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to determine the applicability of any other restrictions. IMPORTANT — It is absolutely essential that tests conducted according to this document be carried out by suitably trained staff. This document specifies methods to determine 99Tc by liquid scintillation counting (LSC) in water supplies, drinking water, rainwater, surface and ground water, marine water, as well as cooling water, industrial water, domestic, and industrial wastewater after proper sampling, handling, and test sample preparation. The detection limit depends on the sample volume, the instrument used, the background count rate, the detection efficiency, the counting time, and the chemical yield. The minimum detectable activity of the methods described in this document, using currently available LSC apparatus, is approximately 5 Bq·l-1 to 20 Bq·l-1, which is lower than the WHO criteria for safe consumption of drinking water (100 Bq·l-1).[4] These values can be achieved with a counting time of 60 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 activity concentrations of 99Tc. 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. Filtration of the test sample is necessary for the methods described in this document if suspended solids are present as the methods presented in this document can only be used to determine soluble 99Tc. The analysis of 99Tc adsorbed to suspended matter is not covered by this method. The analysis of the insoluble fraction requires a mineralization step that is not covered by this document. In this case, the measurement is made on the different phases obtained. The final activity is the sum of all the measured activity concentrations. It is the user’s responsibility to ensure the validity of this test method for the water samples tested.

 

This document defines a process reference model (PRM) for a BCMS aligned to ISO 22301, which will meet the criteria defined in ISO/IEC 33004 for process reference models (see Annex A). This provides guidelines for users of ISO 22301 on the establishment, implementation, maintenance and improvement of the BCMS. It is intended to guide users of ISO 22301 to:

 

— incorporate the process approach as described by ISO 22301:2019 clause 8.1 within the BCMS;

— be aligned to all the work done aligned to other standards of the ISO/IEC 22300 family applicable to Business Continuity (BC) from the perspective of the operation of the BCMS;

— support users in the operation of a BCMS aligned to ISO 22301 – the document will complement the requirements-oriented perspective of ISO 22301 based on risk management with an operational, process-oriented point of view.

 

No additional requirements are included in this document.

 

This document is applicable to all types and sizes of organizations (e. g. commercial enterprises, government or other public agencies and non-profit organizations) which intend to establish, implement, apply, maintain and improve a security management system. It provides a holistic and common approach and is not industry or sector specific. This document can be used throughout the life of the organization and can be applied to any activity, internal or external, at all levels.

 

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This document establishes a guide to the use and understanding of specialized control charts in situations where commonly used Shewhart control chart approach to the methods of statistical control of a process may either be not applicable or less efficient in detecting unnatural patterns of variation of the process. This document also provides guidance as to when control charts discussed in this document should be used, their control limits, advantages and limitations. Each control chart is illustrated with an example.

 

This document specifies guidance and requirements for the design and implementation of an energy data collection plan for an organization to demonstrate, improve and maintain its energy performance as well as its energy related to greenhouse gas (GHG) emissions.This document provides a framework for both the novice and expert that can be used to support those organizations:who have implemented or are implementing iso:proj:69426ISO 50001;who are implementing or are planning to implement ISO 50100.NOTE The document can also cover those organizations who have implemented or are implementing IEC 60364-8-1 [2].The energy data collection plan defines a measurement system for monitoring and analysing the energy performance as well as the energy related to greenhouse gas (GHG) emission of an organization.This document applies to all types of energy, energy uses and organization including buildings, equipment, processes, systems, transportation and facilities of all sizes, complexity and types.

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