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ASME PCC-2-2022

Repair of Pressure Equipment and Piping
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ASME PCC-2-2022

Repair of Pressure Equipment and Piping

PUBLISH DATE 2022
PAGES 326
ASME PCC-2-2022

Purpose of ASME PCC-2-2022

The primary purpose of ASME PCC-2 is to provide recognized and generally accepted good engineering practices for extending the operational life and ensuring the safety of pressure-containing equipment that has developed damage, leaks, or degradation while in service. It fills the gap between the original construction codes (like the ASME Boiler and Pressure Vessel Code) and the need for safe, in-service repair.

This standard provides the technical framework for:

  • Establishing safe and effective repair procedures for equipment within the scope of ASME Pressure Technology Codes.
  • Specifying the necessary design, fabrication, examination, and testing practices for repairs.
  • Defining the requirements for both temporary and permanent repairs, depending on the severity of the damage and the circumstances.

What is it Used For?

ASME PCC-2 is a critical reference used by owner/operators, maintenance engineers, repair organizations, and inspectors in industries such as oil and gas, petrochemical, power generation, and chemical processing. Key applications include:

  • Welded Repairs: It contains articles detailing procedures for repairs involving metal deposition, such as butt-welded insert plates, weld buildup to repair thinning, and in-service welding (hot tapping).
  • Mechanical Repairs: It covers non-welding repairs, including the design and installation of mechanical clamps or enclosures, and procedures like hot bolting and flange repair.
  • Nonmetallic Repairs: It provides guidance for the use of nonmetallic composite repair systems (e.g., wraps and liners) for restoring structural integrity or stopping leaks in piping.
  • Inspection and Testing: It specifies the required nondestructive examination (NDE) methods and post-repair testing (e.g., hydrostatic or pneumatic) to verify the integrity and effectiveness of the completed repair.

In short, it is the essential guide for ensuring that any maintenance or repair performed on a crucial piece of pressure equipment is done safely and correctly, maintaining regulatory compliance and operational reliability.

SDO ASME: American Society of Mechanical Engineers
Document Number PCC-2
Publication Date Sept. 2, 2022
Language en - English
Page Count
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