序言这是CSA Z259的第二版。17.主动防坠落设备和系统的选择和使用。本标准取代2016年发布的前一版。本标准旨在为坠落防护设备和系统的安全选择和使用提供标准。本版本的重大变化包括:a）坠落后救援设备、计划和程序的选择和使用信息。；b） 强化应急救援预案识别要求；c） 现在提供了所需净空的方程式——垂直救生索；d） 关于设备、系统和部件的不当使用和组装示例的新附件；e） 现场特定坠落防护工作计划样本的新附件；新附录概述了推荐的救援流程图。本标准不取代有管辖权的机构。制造商的说明和建议是瀑布安全使用和操作的一部分- 保护设备和系统。本标准由CSA集团在加拿大劳动法管理者协会-职业安全与健康（CAALL-OSH）的资助下制定，包括省级和地区政府，以及加拿大政府。CSA集团对本标准的内容全权负责，CSA集团和资助机构不承担与使用本标准所含信息有关的任何责任。本标准的制定符合加拿大标准委员会对加拿大国家标准的要求。CSA集团已将其作为加拿大国家标准发布。范围1。1本标准规定了主动坠落防护设备和系统的选择、使用和应用要求，以及坠落后救援设备、计划和程序的选择和使用信息。 1.2本标准旨在为主动防坠落设备和系统的安全选择和使用提供标准和考虑因素。1.3坠落防护系统的选择和使用，作为坠落防护计划的一部分，该计划可能包括危险评估、工作方法、采购、实践、培训、维护和检查等元素，旨在将相关风险降至最低。1.4本标准的条款旨在降低所有主动防坠落系统固有的风险。1.5本标准参考了符合CSA Z259系列标准或同等标准要求的个人坠落防护系统（PFPS）部件。1.6本标准不包括a）防坠落系统或组件的设计和性能要求；注:有关设计和性能要求，请参考适用的坠落防护标准（见CSA Z259系列）。 b） 选择和使用被动坠落防护系统，如临时护栏或安全网系统。本标准无意复制或取代CSA集团涵盖的其他标准。1.7当本标准文件中使用术语“锚”时，指锚定连接器和锚定（结构）的组合。1.8在本标准中，以国际单位制给出的数值为记录单位。括号中给出的值仅供参考和比较。1.9在本标准中，“应”用于表示要求，即用户为遵守本标准而有义务满足的规定；“应该”用于表示建议或建议但不需要的建议；“可”用于表示一个选项或在标准范围内允许的选项。注释随附条款不包括要求或替代要求； 随附条款的注释的目的是将解释性或信息性材料与文本分开。表和图的注释被视为表或图的一部分，可以作为要求编写。附件被指定为规范性（强制性）或信息性（非强制性）来定义其应用。

PrefaceThis is the second edition of CSA Z259.17, Selection and use of active fall-protection equipment and systems. This Standard supersedes the previous edition published in 2016. The purpose of this Standard is to provide criteria for the safe selection and use of fall-protection equipment and systems.Significant changes in this edition include the following:a) information included on selection and use of post-fall rescue equipment, plans, and procedures.;b) enhanced the emergency and rescue plan identification requirements;c) equations are now provided for required clearance - vertical lifeline;d) new annex on examples of improper use and assembly of equipment, systems and components;e) new annex on sample site-specific fall protection work plan; andf) new annex outlining a recommended rescue flow chart.This Standard does not supersede the authority having jurisdiction. The manufacturer's instructions and recommendations are part of the safe use and operation of the fall-protection equipment and systems. This Standard was developed by CSA Group with funding support provided by the Canadian Association of Administrators of Labour Law - Occupational Safety and Health (CAALL-OSH), including Provincial and Territorial Governments, as well as the Government of Canada. CSA Group is solely responsible for the content of this Standard, and CSA Group and the funding bodies disclaim any liability in connection with the use of the information contained herein. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.Scope1.1 This Standard specifies requirements for the selection, use, and application of active fall-protection equipment and systems as well as information on selection and use of post-fall rescue equipment, plans, and procedures.1.2 The purpose of this Standard is to provide criteria and considerations for the safe selection and use of active fall-protection equipment and systems.1.3 The selection and use of fall-protection systems as part of a fall-protection program that may include such elements as hazard assessment, work methods, purchasing, practices, training, maintenance, and inspection intended to minimize the risks involved.1.4 The clauses of this Standard are intended to reduce risks, which are inherent in all active fall-protection systems.1.5 This Standard references personal fall-protection system (PFPS) components that conform to the requirements of the CSA Z259 Series of Standards or an equivalent.1.6 This Standard does not cover requirements for a) design and performance of fall-protection systems or components; and Note: For design and performance requirements refer to the applicable fall protection Standard (see CSA Z259 series). b) selection and use of passive fall-protection systems such as temporary guardrails or safety net systems. This Standard is not intended to replicate or replace other Standards covered by CSA Group.1.7 When the term "anchor" is used throughout this Standard document it means the combination of the anchorage connector and the anchorage (structure).1.8 The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.1.9 In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.