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1 Scope 1.1 This Standard contains requirements for the qualification of pre-developed software intended for use in safety-related instrumentation and control (I&C) applications in nuclear power plants. Notes: (1) Pre-developed products include embedded and stand-alone software. (2) The requirements of this Standard may also be considered for application to complex programmed electronics…

This National Standard of Canada is equivalent to International Standard ISO 19904-1:2006. 1 Scope This part of ISO 19904 provides requirements and guidance for the structural design and/or assessment of floating offshore platforms used by the petroleum and natural gas industries to support the following functions: - production; - storage and/or offloading; - drilling and production; -…

This National Standard of Canada is joint with UL 60745-1; and both are based on International Standard IEC 60745-1. 1 Scope This part of IEC 60745 deals with the safety of hand-held motor-operated or magnetically driven electric tools, the rated voltage of the tools being not more than 250 V for single-phase a.c. or d.c. tools, and 440 V for three-phase a.c. tools. So far as is…

B64.0-07 1 Scope 1.1 The CSA B64 Series of Standards covers vacuum breakers and backflow preventers that are used in potable water supply systems to prevent cross-connections. 1.2 This Standard specifies definitions, general requirements, test methods, markings, and instructions that are common to some or all of the CSA B64 Series. 1.3 This Standard is not a complete Standard in…

B64.10-07 Selection and installation of backflow preventers 1 Scope 1.1 Application This Standard specifies requirements for the selection and installation of backflow preventers. Additional information on how backflow due to back siphonage and back pressure occurs, and how to select and apply specific devices, is included in Annexes A, B, and C. 1.2 Exclusions 1.2.1 This Standard…

ISO 8185:2007 is a particular standard based on IEC 60601-1:1988 and its Amendments, Amd. 1:1991 and Amd. 2:1995. ISO 8185:2007 includes requirements for the basic safety and essential performance of humidification systems. It also includes requirements for individual devices specified for use in humidification systems such as heated breathing tubes (heated-wire breathing tubes) and devices…

1 Scope 1.1 General This Standard specifies special requirements for the durability aspects of the design and construction of new parking structures and parts of buildings subject to vehicular traffic. 1.2 Structure types New parking structures constructed of structural steel, reinforced concrete (including prestressed concrete), or a combination of these materials fall within the scope of this…

1 Scope 1.1 This Standard specifies the chassis and body requirements and safety equipment requirements for school buses. Notes: (1) The main purpose of this Standard is to provide the safest possible vehicle for students using school buses. It needs to be stressed, however, that standards are not substitutes for thorough, ongoing, and comprehensive safety training of students and drivers. (2)…

1 Scope 1.1 This Standard specifies maintenance requirements and service intervals for elevators, dumbwaiters, escalators, and moving walks where the original manufacturer's recommendations are not available or where there is insufficient data on the age, quality, and operation of the equipment. 1.2 This Standard is intended for use in conjunction with ASME A17.1/CSA B44. 1.3 In…

1 Scope 1.1 This Standard covers (a) automatic transfer switches; (b) manual transfer switches; (c) closed transition transfer switches; (d) hybrid transfer switches; (e) transfer switches for fire pumps; and (f) bypass/isolating switches that have a maximum rating of 750 V, are for use in non-hazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I, and enable…