【国外标准】 Standard Practice for Utilization of Mobile, Automated Cured-In-Place Pipe (CIPP) Impregnation Systems

4.1 This practice is for use by installers who are involved in the rehabilitation of conduits through the use of a mobile, automated CIPP impregnation system to manufacture resin impregnated tube installed through an existing conduit. As for any practice, modifications may be required for specific job conditions.1.1 This practice describes the procedures for the impregnation of 2 in. to 48 in. (50 mm to 1200 mm) diameter cured-in-place pipe utilizing mobile, automated systems. Temporary impregnation facilities set up at the jobsite (“over-the-hole” wet outs) are not covered under this standard. Once resin saturation is complete, the wet out liner is then used to rehabilitate existing gravity flow or pressure pipelines, process piping, electrical conduits or ventilation systems.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.1.4 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.