1.1 本规程描述了现有管道6至180英寸的下水道管线和导管的修复程序。通过使用缠绕机将机器制造的现场制造的螺旋缠绕衬管插入到现有管道中，该缠绕机在插入坑中保持静止，或者替代地，沿着现有管道的内部行进。这些修复工艺可用于各种重力应用，如卫生下水道、雨水下水道、涵洞和工艺管道。 1.1.1 当将固定安装设备用于现有管道6至48英寸时。，插入后，螺旋缠绕衬管膨胀，直到它压在现有管道的内表面上。 或者，对于现有管道6至108 in。在直径上，螺旋缠绕衬管作为固定直径插入到现有管道中，并且不膨胀，螺旋缠绕衬里管和现有管道之间的环形空间被灌浆。 1.1.2 当使用现有管道6至180英寸的移动安装设备时。螺旋缠绕衬管安装成与现有管道的内表面接触，以形成紧密配合的衬管，矩形管道的拐角处或出现障碍或偏移的地方除外。或者，对于现有管道6至180 in。在直径上，对于类似尺寸的现有非圆形管道，如拱形、椭圆形或矩形管道，螺旋缠绕衬管作为固定直径安装在现有管道中，以形成非圆形管道- 紧密配合的衬管和螺旋缠绕衬管与现有管道之间的环形空间被灌浆。 1.2 以英寸-磅单位表示的值应视为标准值。括号中给出的值是对SI单位的数学转换，仅供参考，不被视为标准值。 1.3 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 1.3.1 应特别注意涉及进入密闭空间和在密闭空间内工作的安全法规和要求。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《国际标准、指南和建议制定原则决定》中确立的国际公认标准化原则制定的。 =====意义和用途====== 4.1 本规程适用于参与无压下水道和导管修复的设计师和规范制定者、监管机构、业主和检验机构。特定工作条件可能需要修改。

1.1 This practice describes the procedures for the rehabilitation of sewer lines and conduits for existing pipelines 6 to 180 in. in diameter by the insertion of a machine-made field-fabricated spiral wound liner pipe into the existing pipeline using a winding machine which remains stationary in the insertion pit or, alternatively, which travels along the interior of the existing pipeline. These rehabilitation processes can be used in a variety of gravity applications such as sanitary sewers, storm sewers, culverts, and process piping. 1.1.1 When using stationary installation equipment for existing pipelines 6 to 48 in., after insertion, the spiral wound liner pipe is expanded until it presses against the interior surface of the existing pipeline. Alternatively, for existing pipelines 6 to 108 in. in diameter, the spiral wound liner pipe is inserted as a fixed diameter into the existing pipeline and is not expanded, and the annular space between the spiral wound liner pipe and the existing pipe is grouted. 1.1.2 When using the traveling installation equipment for existing pipelines 6 to 180 in. the spiral wound liner pipe is installed in contact with the interior surface of the existing pipeline to form a close fit liner, except in the corners of rectangular pipes or where obstructions or offsets occur. Alternatively, for existing pipelines 6 to 180 in. in diameter and for similar sized existing non circular pipelines such as arched or oval or rectangular shapes, the spiral wound liner is installed as a fixed diameter into the exiting pipeline to form a non-close fit liner and the annular space between the spiral wound liner pipe and the existing pipe is grouted. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3.1 Particular attention is drawn to those safety regulations and requirements involving entering into and working in confined spaces. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 This practice is for use by designers and specifiers, regulatory agencies, owners, and inspection organizations who are involved in the rehabilitation of non-pressure sewers and conduits. Modifications may be required for specific job conditions.