FITest Software
FITNESS FOR SERVICE (FFS) ASSESSMENT SOFTWARE

FITest software contains Fitness-For-Service (FFS) assessment modules that can be used to evaluate pressurized components containing flaws or damage.
If the results of an assessment indicate that the equipment is suitable for the current operating conditions, then the equipment can continue to be operated at these conditions provided suitable monitoring/inspection programs are established.
If the results of the FFS assessment indicate that the equipment is not suitable for the current operating conditions, then the software will provide the rerated conditions.

FITest Data Requirements:

⦁ Original Equipment Design Data
⦁ Maintenance and Operational History
⦁ specific requirements for data measurements and flaw characterization based on the damage mechanism

FITest Assessment Levels:

⦁ Level 1 Assessment
The assessment procedures included in this level are intended to provide conservative screening criteria that can be utilized with a minimum amount of inspection or component information.

⦁ Level 2 Assessment
The assessment procedures included in this level are intended to provide a more detailed evaluation that produces results that are more precise than those from a Level 1 assessment. In a Level 2 Assessment, inspection information similar to that required for a Level 1 assessment is needed; however, more detailed calculations are used in the evaluation.

FITest Remaining Life Assessment:
Once it has been established that the component containing the flaw is acceptable at the current time, FITest software will determine a remaining life for the component. The remaining life is used to establish an appropriate inspection interval, an in-service monitoring plan, or the need for remediation.

FITest Remediation
FITest will provide appropriate remediation methods, for example where a flaw is not acceptable in its current condition; the estimated remaining life is minimal or difficult to estimate; or the state-of-the-art analysis/knowledge is insufficient to provide an adequate assessment.

FITest In-Service Monitoring
In-service monitoring is one method whereby future damage or conditions leading to future damage can be assessed, or confidence in the remaining life estimate can be increased. Appropriate in-service monitoring methods which typically suggested by FITest, include corrosion probes to determine a corrosion rate; hydrogen probes to assess hydrogen activity; various ultrasonic examination methods and acoustic emission testing to measure metal loss or cracking activity; and measurement of key process variables and contaminants.

FITest Software Key Features

⦁ Based on API 579/ASME FFS-1 2016 and ASME B31G;
⦁ Automated Level 1 and Level 2 Assessments;
⦁ Integrity Assessment of Ageing Assets;
⦁ Suitability for continued services;
⦁ Several types of components shape: Cylindrical, Spheres, etc.;
⦁ Increase Availability, Reliability, Efficiency and Safety;
⦁ All types of Damage Mechanisms based on API 579 including assessment of:
⦁ Brittle Fracture
⦁ General Metal Loss
⦁ Local Metal Loss
⦁ Pitting Corrosion
⦁ Hydrogen Blisters and Hydrogen Damage Associated with HIC and SOHIC
⦁ Weld Misalignment and Shell Distortions
⦁ Crack-Like Flaws
⦁ Components Operating in The Creep Range
⦁ Fire Damage
⦁ Dents, Gouges, And Dent-Gouge Combinations
⦁ Laminations
⦁ Fatigue Damage

 

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