1.1 本规程描述了使用封隔器方法用适当的化学灌浆测试和密封单个污水管接头的程序。下水道系统应包括卫生系统、雨水系统和组合系统及其附件。化学灌浆是一种土壤密封过程，在泄漏点密封管道外部周围土壤中的空隙。化学灌浆不被视为结构修复。 1.2 本规程适用于下水道6 在里面至42英寸。(18 cm至107cm）。大直径管道可采用专用封隔器或人工进入方法灌浆。主管内表面必须足以为封隔器元件形成有效密封。 1.3 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。 1.4 工人安全培训应包括审查与软管、泵、储罐、耦合器、压缩机、瓶子、电机和所有其他相关应用设备相关的危险。化学灌浆制造商或供应商或两者应提供其他安全考虑，包括化学灌浆的安全处理、混合和运输。他们的安全操作规程和程序应详细描述各种灌浆作业的适当个人防护设备（PPE）。 所涉及的操作应包括化学灌浆、添加剂及其相关容器的正确储存、运输、混合和处置。 1.5 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。 1.6 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 污水管接头的检查、测试和维修是一种有助于保持和优化污水管性能的实践。重要的是确定使用最新化合物和技术的方法，以确保减少渗透和渗出。所选方法应使用环境安全灌浆，并尽量减少交通中断。 4.2 本规程作为一种检查、测试和密封污水管接头的方法，使用封隔器方法选择了合适的化学灌浆。电视检查和联合测试用于确定下水道线路状况、有缺陷的接头，并记录所进行的维修。 如有必要，应详细说明接缝密封，使用化学灌浆（化学密封材料）将压力注入管道接缝周围的土壤中。 4.3 本规程不适用于纵向开裂的管道、严重腐蚀的管道、结构不健全的管道、扁平或不圆的管道。在试验点地下水压力高于10 psi（68.9 ksi）的地区，咨询设备制造商。

1.1 This practice describes the procedures for testing and sealing individual sewer pipe joints with appropriate chemical grouts using the packer method. Sewer systems shall include sanitary, storm, and combined and their appurtenances. Chemical grouting is a soil sealing process, which seals the voids within the soil surrounding the exterior of the pipe at the point of leakage. Chemical grouting is not considered a structural repair. 1.2 This practice applies to sewers 6 in. to 42 in. (18 cm to 107 cm) in diameter. Larger diameter pipe may be grouted with specialized packers or man entry methods. Host pipe interior surfaces must be adequate to create an effective seal for the packer elements. 1.3 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. 1.4 Worker safety training should include reviewing the hazards associated with hoses, pumps, tanks, couplers, compressors, bottles, motors, and all other related application apparatus. Additional safety considerations including safely handling, mixing, and transporting of chemical grouts should be provided by the chemical grout manufacturer or supplier or both. Their safe operating practices and procedures should describe in detail appropriate personal protective equipment (PPE) for the various grouting operations. Operations covered should include the proper storage, transportation, mixing, and disposal of chemical grouts, additives, and their associated containers. 1.5 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. 1.6 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 The inspection, testing, and repair of sewer pipe joints is a practice that can assist in maintaining and optimizing sewer performance. It is important to identify methods that use the most current compounds and technology to ensure the reduction of infiltration and exfiltration. The method selected should utilize environmentally safe grout and minimize the disruption of traffic. 4.2 This practice serves as a means to inspect, test, and seal sewer pipe joints, having selected the appropriate chemical grouts, using the packer method. Television inspection and joint testing are used to identify sewer line conditions, defective joints, and document the repairs undertaken. Instruction on joint sealing, if necessary, is then detailed, using pressure injection into the soils encompassing the pipe joint with a chemical grout (chemical sealing material). 4.3 This practice should not be used for longitudinally cracked pipe, severely corroded pipe, structurally unsound pipe, flattened, or out-of-roundpipe. In areas with high groundwater pressure, greater than 10 psi (68.9 ksi) at the test point, consult equipment manufacturers.