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ISO 1438:2017 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.

Le présent document définit les exigences d'utilisation de déversoirs en mince paroi à échancrures rectangulaires et triangulaires pour le mesurage du débit d'eau claire dans des canaux à écoulement à surface libre pleinement aéré. Il comprend les exigences d'utilisation de déversoirs en mince paroi rectangulaires sans contraction latérale en conditions d'écoulement noyé.

ISO 21927-7:2017 applies to smoke control duct sections placed on the market and intended to operate as part of a pressure differential system or smoke and heat exhaust system. This document specifies requirements and gives reference to the test methods defined for smoke control duct sections and their associated components (for example, hangers and other items proven at the time of testing),…

ISO 21927-8:2017 applies to smoke control dampers, placed on the market and intended to operate as part of a pressure differential system or smoke and heat control system. This document specifies requirements and gives reference to the test methods defined for smoke control dampers and their associated components, such as actuators which are intended to be installed in such systems in buildings.…

1.1 Généralités Cette norme prescrit des exigences relatives à la performance, à la conception, à la mise à l’essai, au marquage et aux instructions visant les absorbeurs d’énergie individuels et les cordons d’assujettissement, y compris les courroies de poteau de monteur de lignes ainsi que les cordons d’assujettissement et les absorbeurs d’énergie intégrés. 1.2 Applications Les absorbeurs d’…

1.1 General This Standard applies to mast-climbing work platforms (MCWPs) that are primarily used to provide a working surface for personnel, along with their necessary tools and materials, at elevated work locations. This Standard is applicable to MCWPs that include the following features (see Figures 1 and 2): a) one or more work platforms; b) one or more masts that are i) free-standing…

1.1 General 1.1.1 This Standard applies to mast-climbing work platforms (MCWPs) that are primarily used to provide a working surface for personnel, along with their necessary tools and materials, at elevated work locations. 1.1.2 This Standard applies to MCWPs that include the following features (see Figures 1, 2, and 3): a) one or more work platforms; b) one or more masts that are i)…

1 Scope 1.1 General This Standard applies to mast-climbing transport platforms (MCTPs) that are considered tools of the trade and are used to vertically transport material and authorized persons to specified access levels on a structure during construction, renovation, maintenance, and related activities. The platform operates at a limited speed and minimum safe distance from the structure.…

1.1 General 1.1.1 This Standard applies to mast-climbing transport platforms (MCTPs) that are considered tools of the trade and are used to vertically transport material and authorized persons to specified access levels on a structure during construction, renovation, maintenance, and related activities. The platform operates at a limited speed and minimum safe distance from the structure. This…

1.1 This Standard specifies requirements for photovoltaic (PV) rapid shutdown systems (PVRSS) and PV rapid shutdown equipment (PVRSE) intended to be used in ordinary locations in accordance with CSA C22.1, Canadian Electrical Code, Part I (CE Code, Part I) and rated 1500 V or less. A PVRSS is an integrated set of discrete components that work together to shut down one or more PV arrays installed…