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ADNOC LNG Trains Operational Life Extension Independent Overall Assessment and Verification

Das Island, UAE
Remaining Life Assessment (RLA)

ADNOC LNG has implemented a comprehensive Integrity & Reliability Management System (AIRMS) and has additionally carried out additional studies to identify and monitor specific damage mechanisms for various plant areas. To enhance the existing knowledge-base, ADNOC LNG requires further detailed assessment of specific plant areas and systems, particularly to identify measures to extend the lifetime of such systems whilst ensuring required integrity and reliability.

Detailed assessments have already been carried of various assets in house or through specialized outsourced studies to vendors and consultants.

Velosi appointed for an independent overall integrated review and verification of all the studies and work carried out /being carried for extending the operating life of all LNG Train-1, 2 and 3 and their associated facilities.

The LNG Trains Operational Life Extension Project focused on known damage mechanisms / life cycle limiters, as well as any other integrity & reliability issues identified through various studies and assessments.

Scope of Work
Phase I:

"The Overall Review of LNG Trains Operational Life Extension Approach" - ADNOC LNG established a road map to conduct the study for all the disciplines: Integrity, Reliability of the Rotating / Mechanical Equipment, Electrical and Instrument & Control. Different packages were identified and the scope of work of each package was defined. Some particular packages implying deep analysis were outsourced. Velosi reviewed the Study Approach in order to address any complementary package (s) or aspects related to the addressed packages by providing recommendations and methodology for the addressing the identified gaps.

Phase II:

"Independent Validation, Verification & Providing Consistency of Study Outcomes" - Velosi reviewed the outcomes from the different packages in order to verify and validate the conclusions and the recommendations and address, if required, any additional analysis or study to assure the asset integrity and fitness for service


Velosi has successfully submitted the following deliverables:

  • Operational Life Extension Approach Review Report for the Phase-1.
  • Presentation to ADNOC LNG Management on Operational Life Extension Approach Review for Phase-1
  • Report for Phase-2 including Investment and Implementation Plan.
  • Presentation to ADNOC LNG Management on Phase-2
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