Rechercher

1 Scope 1.1 This Standard applies to helmets intended to provide head injury risk reduction for recreational alpine skiers and snowboarders. These helmets can also be worn for other non-motorized recreational snow sport activities. This Standard defines the areas of the head that are to be protected for impact injuries. It covers the basic performance requirements for shock absorption,…

1 Scope 1.1 This test method determines the wind uplift resistance of membrane-roofing systems when subjected to dynamic wind load cycles. The test methods are applicable to a) mechanically attached membrane roofing systems; and b) adhered membrane roofing systems. The roofing system consists of a deck and roofing membrane. It includes components such as vapour barriers or retarders,…

1 Scope 1.1 General This Standard specifies requirements for materials and methods for the manufacture, transportation, and installation of architectural, structural, and specialty precast concrete products. Note: This Standard should be specified for precast concrete elements used in segmental construction. 1.2 Shop drawings This Standard specifies the requirements, in addition to those…

1 Scope 1.1 This Standard applies to portable luminaires, intended for use in dry, damp, and wet locations, and intended to be used in accordance with the Rules of the Canadian Electrical Code, Part I, in nonhazardous locations, on a nominal 120 V system and 15 A or 20 A branch circuits, or on the load side of a Class 2, LED Class 2, or safety extra-low voltage (SELV) circuit. 1.2 This…

1 Scope 1.1 This Standard covers component assembly surge protective devices (SPDs) consisting of two or more Type 5 components, intended for use in Type 1, 2, or 3 SPD applications. 1.2 Type 4 component assemblies are designed for repeated limiting of transient voltage surges as specified in this Standard on 50 or 60 Hz power circuits over 42 V and not exceeding 750 V. 1.3 The surge protective…

1 Scope 1.1 This Standard applies to the following products rated at 600 V and less, and designed to be used in non- hazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I: a) cord reels for general use and special use cord reels intended to be mounted on or in utilization equipment such as appliances, portable luminaires, extension cord set storage winders,…

1.1 This Standard covers HF in design for existing and new NPPs. Notes: 1) This Standard applies to new designs or modifications, large and small, temporary and permanent, to internally and externally engineered solutions, and to commercial off-the-shelf (COTS) products. 2) This Standard may provide guidance for nuclear facilities other than NPPs, using a graded approach. 1.2 This…

1.1.1 Scope of Code This Code applies to the design, evaluation, and structural rehabilitation design of fixed and movable highway bridges in Canada. There is no limit on span length, but this Code does not necessarily cover all aspects of design for every type of long-span bridge. This Code also covers the design of pedestrian bridges, retaining walls, barriers, and highway accessory…

1.1 General This Standard specifies requirements for a) mortar for use in bedding, jointing, and bonding of masonry units; and b) grout for use in filling core, cell, or cavity space in unit masonry construction. Notes: 1) The term “unit masonry” refers to masonry construction using clay (shale), calcium silicate (sand-lime), or concrete masonry units, with individual units not more than 200 mm…

N290.0-11 - General requirements for safety systems of nuclear power plants Preface This is the first edition of CSA N290.0, General requirements for safety systems of nuclear power plants. This Standard is one of a series of standards on reactor control systems, safety systems, and instrumentation for nuclear power plants. Scope 1.1 This Standard covers the design, qualification,…