Non-Destructive Evaluation (NDE) Execution – Advanced UT (TOFD, phased array), RT (digital radiography), Eddy Current, Magnetic Particle, thermographic surveys
Damage Mechanism Assessment – Corrosion rate calculation, creep life evaluation, fatigue analysis (thermal/mechanical), erosion quantification, crack growth analysis
Fitness-for-Service (FFS) Evaluation – API 579/ASME FFS-1 assessment, ligament efficiency calculation, buckling evaluation, flaw acceptance per ASME B31G/API 579
Stress Analysis & Load Assessment – Finite Element Analysis (FEA) for local stresses, wind/seismic load review, transient thermal stress analysis, support settlement evaluation
Material Degradation Modeling – Microstructure analysis (replication), hardness testing, oxidation/scaling measurement, hydrogen embrittlement assessment
Remaining Life Calculation – Deterministic life projection (minimum remaining thickness), probabilistic (risk-based) analysis, creep rupture life summation, fatigue usage calculation
Inspection Interval Determination – RBI (Risk-Based Inspection) program development, API 581 compliance, next inspection date/thickness recommendation
Repair & Mitigation Strategy – Weld repair feasibility, hot tap suitability, reinforcement pad design, operational parameter modification (de-rate, temperature limit)
Reporting & Documentation – Comprehensive remaining life report, degradation rate curves, inspection plan updates, regulatory compliance documentation (e.g., for PSM)
Monitoring System Recommendation – Permanent monitoring (strain gauges, corrosion probes), periodic NDE program, key parameter alarms (for corrosion/creep)
End-of-Life & Replacement Planning – Run/Repair/Replace decision support, financial justification for replacement, transition planning to minimize downtime