Just like direct bury pipes, CIPP linings are designed from calculations based on physical properties of the CIPP, the depth of pipe being renewed, pipe diameter, and soil/hydrostatic loading. The key element in the design calculation is the CIPP being formed as a “tube or cylinder.” LMK’s Stubby™ incorporates a structural full-circle mainliner tube having proper wall thickness for each pipe diameter.
Standard practice for rehabilitation of existing pipelines and conduits by the inversion and curing of a resin-impregnated tube.
Significance and Use
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This practice is for use by designers and specifiers, regulatory agencies, owners, and inspection organizations who are involved in the rehabilitation of sewer service laterals and its connection to the main through the use of a resin-impregnated tube installed within an existing sewer lateral. As for any practice, modifications may be required for specific job conditions.
- This practice describes the procedures for the reconstruction of pipelines and conduits (4 to 108-in. diameter) by the installation of a resin-impregnated, flexible tube which is inverted into the existing conduit by use of a hydrostatic head or air pressure. The resin is cured by circulating hot water or introducing controlled steam within the tube. When cured, the finished pipe will be continuous and tight-fitting. This reconstruction process can be used in a variety of gravity and pressure applications such as sanitary sewers, storm sewers, process piping, electrical conduits, and ventilation systems.
- 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 and health practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see 7.4.2.
2. Referenced Documents.
- D1600 Terminology for Abbreviated Terms Relating to Plastics
- D3567 Practice for Determining Dimensions of Fiberglass (Glass-Fiber-Reinforced Thermosetting Resin) Pipe and Fittings
- D3839 Guide for Underground Installation of Fiberglass (Glass-FiberReinforced Thermosetting-Resin) Pipe
- D543 Practices for Evaluating the Resistance of Plastics to Chemical Reagents
- D5813 Specification for Cured-In-Place Thermosetting Resin Sewer Piping Systems
- D638 Test Method for Tensile Properties of Plastics
- D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
- D903 Test Method for Peel or Stripping Strength of Adhesive Bonds
- E797 Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method
- F412 Terminology Relating to Plastic Piping Systems
Resin-impregnated tube; Resins; Sewer pipe (thermoplastic); Thermosetting plastic pipe/tubing/fittings; Steel pipe; Styrene; Underground installation-water supply/distribution systems; Water supply/distribution systems; Bypassing; Conduit joining system; Conduits; Curing (in pipeline/conduit rehabilitation); Drainage materials/systems; Drain/waste/vent (DWV)-thermoplastics; Epoxy resin pipe fittings; Epoxy resins; Gravity sewer pipe; Inspection; Inversion; Land drainage piping systems; Nonpressure piping; Polybutylene (PB) pipe; Polyethylene (PE) conduit; Polyethylene (PE) pipe; Poly(vinyl chloride)(PVC) conduits; Pressure pipelines/piping systems; Rehabilitation-sewerlines; Reinforced thermosetting-resin pipe (RTRP); ICS Number Code 23.040.20 (Plastic pipes)
For a copy of the ASTM F1216-06 Standard please visit www.astm.org