Fitness For Service
If you're dealing with corrosion or damage in an existing asset, you may need a fitness-for-service assessment. Vibration Engineers performs API 579 evaluations to determine if your equipment can continue operating safely and what steps are required to keep it in service.
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Fitness For Service Assessment
These are the steps Vibration Engineers takes to evaluate pressure vessels and tanks in accordance with API 579 1/ASME FFS 1 and provide an engineered path to safe, economical operation. Learn More
- Problem Identification:
- Partner with plant personnel to define the concern and review prior inspections and failures.
- Design & Code Review:
- Gather nameplate and design data and confirm operating envelopes, transients, and prior rerates.
- Inspection & NDE Plan:
- Develop and execute an inspection plan—UT thickness mapping, profile radiography, phased array UT, MT/PT, hardness, replication, and visual—targeted to suspected damage mechanisms.
- Laser Scan & Dimensional Assessment:
- Perform a 3D laser scan to capture shell and head geometry, out of roundness, nozzle alignment/misalignment, and settlement for tanks; generate an as built model for analysis.
- Damage Mechanism Screening:
- Screen likely mechanisms to select the appropriate API 579 Part(s).
- COMPRESS Modeling & Baseline Calculations:
- Build or validate a detailed COMPRESS model to confirm design MAWP, nozzle loads, and weld joint efficiencies; establish baseline stresses and minimum required thicknesses.
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What Our Clients are Saying
“We were experiencing repeated bearing failures on one of our press felt rolls due to high vibration at a specific machine speed. The Vibration Engineers team identified this issue as a resonant condition and designed a solution that now allows us to operate reliably at this speed.”
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