FITNESS FOR SERVICE
Fitness for Service is defined as the ability to demonstrate the structural integrity of an in-service component containing a flaw.
The standard for conducting fitness-for-service assessments is API 579, Fitness for Service. API 579 describes standardized fitness-for-service techniques for pressurized equipment used in industry and supplements the inspection and assessment techniques in API 510, API 570 and API 653.
RRS can perform fitness-for-service assessments that provide useful economic and safety benefits to end users and operators including: (1) ensuring the safety of plant personnel and the public while older equipment continues to operate and (2) helping to optimize maintenance and operation of existing facilities to maintain the availability of older plants and enhance long term viability. The procedures can be used for evaluation and re-rating of pressure vessels designed and constructed to
the ASME Boiler and Pressure Vessel Code; piping systems designed and constructed to the ASME B31.3 Piping Code and aboveground storage tanks designed and constructed to API 650 and API 620.
Typical scenarios RRS had conducted a fitness for service assessment include:
- Assessment of equipment for general metal loss
- Assessment of equipment for local metal loss
- Assessment of equipment for brittle fracture
- Assessment of equipment for pitting corrosion
- Assessment of equipment for blisters and laminations
- Assessment of equipment for crack-like flaws
- Assessment of fire damage
RRS routinely conducts fitness-for-service assessments of pressure vessels, piping systems and storage tanks using API 579 guidelines. Our engineers and associated strategic partners can provide complete fitness-for-service, mechanical integrity and remaining life services, including field inspections and data collection, laboratory mechanical and chemical testing and
cost effective engineering solutions using our advanced software capabilities.
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