Velosi Worldwide

Global Reach & Local Services

We operate globally through our associate offices in
Africa, Asia, Europe and Middle East.

  Associate Offices Worldwide
  • Algeria
  • Angola
  • Bahrain
  • Brunei
  • China
  • UAE
  • Egypt
  • Ghana
  • Indonesia
  • Japan
  • Kuwait
  • Malaysia
  • Mongolia
  • Oman
  • Philippines
  • Pakistan
  • Qatar
  • Saudi Arabia
  • South Africa
  • South Korea
  • Thailand
  • Turkey
  • Vietnam

Fitness For Service (FFS)

Fitness For Service (FFS)


Fitness for Service (FFS) is considered as the best practice and standard usually employed by the oil and gas industries for determining its condition for continued service. FFS acts as an analytical basis to define flaw acceptance limits and enables the industry experts to differentiate between acceptable and unacceptable flaws and damage in accordance with the industry-recognized and widely accepted good engineering practices.

At Velosi, fitness for service assessments are usually measurable engineering appraisals that are conducted to demonstrate the structural integrity of an in-service component that may comprise a flaw or damage. Our FFS assessments are performed in compliance with international standards such as ASME B31G, BS 7910, etc.

FFS Benefits:
  • Detailed report with run-repair/replace decision.
  • Remaining plant life estimation.
  • Assessment of the equipment.
  • Effective monitoring methods.
Deliverables of FFS:
  • Identifies the main damage mechanisms based on the best approach and applicable standards (API 579, BS 7910, and others).
  • Provides the current integrity of the asset given a current state of damage and the projected remaining life.
  • Allows operating the damaged component safely for a particular period of time.
  • Offers mitigation plans to run the equipment/plant safely
  • Provides recommendations in terms of remedial actions
Our experience includes the assessment of the following damage mechanisms:
  • Brittle Fracture
  • General Metal Loss
  • Local Metal Loss
  • Pitting Corrosion
  • Blisters and HIC/SOHIC Damage
  • Weld Misalignment and Shell Distortions
  • Crack-Like Flaws
  • High-Temperature Operation and Creep
  • Fire Damage
  • Dent, Gouge and Dent Gouge Combinations
  • Laminations
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