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This document provides an explanation of considerations involved in defining a process. This document gives requirements and recommendations for the description of processes by identifying elements and rules for their formulation. This document also describes the use of process views. This document explains how conformance to a process can be defined, when the process is described in accordance…

IEC 61784-3-3:2021 specifies a safety communication layer (services and protocol) based on CPF 3 of IEC 61784-1, IEC 61784-2 (CP 3/1, CP 3/2, CP 3/4, CP 3/5 and CP 3/6) and IEC 61158 Types 3 and 10. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This safety communication layer is intended for…

This document specifies the general requirements for design, materials (e.g. steel, cast iron, ductile iron, copper alloy), pressure/temperature ratings and testing for butterfly valves having metallic bodies for use in flanged or butt-welding piping systems. This document applies to metallic butterfly valves used for all industrial applications. Additional requirements given in the relevant…

Scope Replacement: This document applies to basic safety and essential performance of cerebral tissue oximeter equipment, that employs light at multiple wavelengths to derive a quantitative measure of oxygen saturation of haemoglobin within the volume of tissue sampled under the probe attached to the head. The cerebral tissue oximeter equipment can be based on continuous light, frequency domain…

1 Scope and object This part of IEC 61000 is applicable to the immunity requirements of electrical and electronic equipment to radiated electromagnetic energy. It establishes test levels and the required test procedures. The object of this standard is to establish a common reference for evaluating the immunity of electrical and electronic equipment when subjected to radiated, radio-frequency…

1 Scope 1.1 Purpose This Standard applies to the management of northern MSW facilities, including the evaluation, planning, siting, design, implementation, monitoring, and maintenance of MSW facilities and includes pollution risk management strategies and mitigation measures for new and existing infrastructure in northern communities. This Standard provides a) procedures for planning,…

1 Scope 1.1 General This Standard provides a) maintenance procedures to reduce snow overload risk on existing buildings; b) monitoring, detection, and assessment methods for snow load risks on buildings; and c) procedures for snow removal. A commentary to this Standard is provided in Annex A. 1.2 Exclusions This Standard does not address a) specific requirements for the design or…

1 Scope 1.1 General 1.1.1 Application This Standard deals with the following subjects: a) electrical safety associated with health care provision; and b) essential electrical systems for health care facilities. Note: See Clause 3for the definition of “health care facility”. 1.1.2 Exclusions 1.1.2.1 Veterinary facilities This Standard is not intended to apply to veterinary facilities,…

1 Scope This part of IEC 62282 applies to stationary packaged, self-contained fuel cell power systems or fuel cell power systems comprised of factory matched packages of integrated systems which generate electricity through electrochemical reactions. This document applies to systems a) intended for electrical connection to mains direct, or with a transfer switch, or to a stand-alone power…

1 Scope 1.1 This Standard applies to automatically operating gas-fired central furnaces (see Clause 3), hereinafter referred to as furnaces, for installation in residential, commercial, and industrial structures including furnaces for direct vent, recreational vehicle, outdoor, and manufactured (mobile) homes. These furnaces can include a cooling unit. All units are to be constructed…