ASTM F2599-22

Overview

ASTM F2599-22 is the Standard Practice for Sectional Repair of Damaged Pipe By Means of an Inverted Cured-In-Place Liner. This internationally recognized ASTM standard outlines the requirements and test methods for the sectional cured-in-place lining (SCIPL) repair of pipelines ranging from 4 inches to 60 inches in diameter. The process involves inverting a continuous resin-impregnated textile tube into a damaged host pipe using air or water pressure. The tube is then pressed and cured to form a tight-fitting, corrosion-resistant, leak-proof liner, providing an effective trenchless solution for pipeline rehabilitation.

This practice is essential for designers, specifiers, regulatory agencies, pipeline owners, and inspection organizations involved in the rehabilitation of pipes using cured-in-place lining methods. The standard emphasizes safe practices and the need for job-specific modifications, with guidelines aligned to internationally recognized principles for the development of technical standards.

Key Topics

• Sectional Cured-in-Place Lining (SCIPL):

  • Rehabilitation method using a resin-impregnated textile tube.
  • Tube inversion and inflation by air or water to press liner against host pipe.
  • Formation of a one-piece, corrosion-resistant, leak-proof liner after curing.

• Material Requirements:

  • Absorbent textile tubes (e.g., felt, circular knit, fiberglass) designed to withstand installation pressure and bridge missing pipe segments.
  • Use of thermosetting resins (polyester, vinyl ester, epoxy, or silicate) for structural and chemical resistance.
  • Application of seamless molded hydrophilic gaskets (SMHG O-rings) for watertight seals.

• Installation and Inspection:

  • Safe access, pipeline cleaning, and CCTV inspection to determine suitability for lining.
  • Controlled resin impregnation, proper placement using launchers, and condition monitoring during curing.
  • Post-installation inspection and acceptance, ensuring properly placed SMHGs and no infiltration.

• Performance Testing:

  • Physical property verification like flexural strength and modulus as per ASTM D790.
  • Long-term performance assessment based on standardized test methods.

Applications

ASTM F2599-22 provides critical guidance for trenchless pipe repair and is widely used in:

• Municipal Sewer & Water Systems: Rehabilitation of aging or damaged pipelines without excavation, minimizing street and landscape disruption.
• Industrial Facilities: Repair of process piping systems while maintaining operational uptime.
• Stormwater Management: Restoration of drainage pipes subject to corrosion or mechanical failures.
• Environmental Protection: Reducing leaks and infiltration in underground piping to prevent contamination or resource loss.

The SCIPL method is particularly suitable for spot repairs over localized pipe damage, collapsed sections, or transitional pipe segments, offering a cost-effective and durable alternative to full pipe replacement.

Related Standards

Organizations relying on ASTM F2599-22 may also reference related ASTM and industry standards to ensure best practices and comprehensive system rehabilitation:

• ASTM F1216: Rehabilitation of Existing Pipelines by Inversion and Curing of a Resin-Impregnated Tube.
• ASTM D5813: Specification for Cured-In-Place Thermosetting Resin Sewer Piping Systems.
• ASTM C1920: Practice for Cleaning of Vitrified Clay Sanitary Sewer Pipelines.
• ASTM D790: Test Methods for Flexural Properties of Plastics.
• ASTM F3240: Practice for Installation of Seamless Molded Hydrophilic Gaskets (SMHG) for Long-Term Watertightness.
• NASSCO Guidelines: Recommended Specifications for Sewer Collection System Rehabilitation.

By adhering to ASTM F2599-22 and these associated standards, stakeholders can ensure the effective, safe, and lasting rehabilitation of critical pipeline infrastructure using cured-in-place lining technologies.