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This Recommendation | International Standard will define those TTP services needed to support the application of digital signatures for the purpose of non-repudiation of creation of documents. This Recommendation | International Standard will also define interfaces and protocols to enable interoperability between entities associated with these TTP services. Definitions of technical services and…

C448.1-02 Scope 1.1 This Standard applies to unitary singleor splitliquidand groundheat pumps using groundwater, submerged heat exchangers, or ground-heat exchangers as a thermal source or sink for heating and/or cooling, with or without a supplementary heating source. 1.2 This Standard applies to new and retrofit installations, and additions t o existing installations. 1.3 This…

CAN/CSA-B137.0-02 Definitions, General Requirements, and Methods of Testing for Thermoplastic Pressure Piping Scope 1.1 This Standard provides requirements for thermoplastic pressure piping. It includes definitions, abbreviations, reference publications, general requirements for raw materials, general requirements for manufactured pipe and fittings, the relevant test methods, and marking…

This Standard was developed in cooperation with the Canadian Welding Bureau. 1. Scope 1.1 This Standard covers requirements for establishing and maintaining the certification of welding inspection organizations. These requirements apply to each welding inspection centre seeking certification. 1.2 This Standard provides for organizations to be certified for the inspection of one or…

This International Standard provides parameters based on values for hand/arm and approach speeds and the methodology to determine the minimum distances from sensing or actuating devices of protective equipment to a danger zone. These specific devices are: trip devices as defined in EN 292-1:1991, 3.23.5 (specifically electro-sensitive protective equipment, pressure sensitive mats), including…

This National Standard of Canada is equivalent to International Standard CEI/IEC 79-6:1995 (second edition, 1995-05). 1. Scope 1.1 This part of IEC 79 specifies the requirements for the construction and testing of oil-immersed electrical apparatus, oil-immersed parts of electrical apparatus and Ex componenets in the type of protection "o", intended for use in potentially explosive…

1.1 Scope 1.1.1 This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials: a. For use with natural gas; b. For use with manufactured gas; c. For use with mixed…

1.1 Scope 1.1.1 This standard applies to newly produced, large automatic storage water heaters having input ratings above 75,000 Btu per hour (21 980 W), instantaneous water heaters, circulating water heaters, including booster water heaters (see Part IV, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials: a.…

1. Scope 1.1 This Standard covers cast iron soil pipe and fittings for installation in gravity-flow plumbing systems inside and outside of buildings, above and below grade. 1.2 This Standard covers requirements for cast iron soil pipe, fittings, backwater valves, and means of joining these components, including dimensions, material specifications, crush strength, pressure testing, and…

1. Scope 1.1 General Clauses 4 to 7 of this Standard cover performance and testing requirements for personal hearing protection devices. Clauses 8 to 12 cover the selection, care, and use of hearing protection devices as required for an effective hearing conservation program. 1.2 Types The following types of hearing protectors are covered in this Standard: earplugs, earmuffs, communication…