National Board Inspection Code - N B I C
The National Board of Boiler and Pressure Vessel Inspectors Codebook, popularly known as the NBIC (National Boiler Inspection Code), has a long history of setting jurisdictional standards in North America; and, it is the only standard recognized worldwide for in-service inspection, repairs and alterations of boilers and pressure vessels.
It is divided into four volumes or parts.
The parts of NBIC 2023 are listed below.
Part 1 : Installation — This Part provides information and guidance to ensure all types of pressure-retaining items are installed and function properly. Installation includes meeting specific safety criteria for construction, materials, design, supports, safety devices, operation, testing, and maintenance.
Part 2 : Inspection — This Part provides information and guidance needed to perform and document inspections for all types of pressure-retaining items. It includes information on personnel safety, non-destructive examination, tests, failure mechanisms, types of pressure equipment, fitness for service, risk-based assessments, and performance-based standards.
Part 3 : Repairs and Alterations — This Part provides information and guidance to perform, verify, and document acceptable repairs or alterations to pressure-retaining items regardless of code of construction. Alternative methods for examination, testing, heat treatment, etc., are provided when the original code of construction requirements cannot be met. Specific acceptable and proven repair methods are also provided.
Part 4 : Pressure Relief Devices — This Part provides information and guidance to perform, verify, and document the installation, inspection, and repair of Pressure Relief Devices, including a supplemental section that contains specialized information, such as pressure margins, recommended repair practices, and test stand design details.
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