Agogo Integrated West Hub Development
NON-CONFORMITY REPORT
PART 1: DESCRIPTION AND REFERENCES - By Yinson
Title: Performing Repairs of 48VE701 Without Approval by Company
NCR No.: NCR-CACI-062
Rev.: 00
Nonconformity to:
Contractual Requirements
Date: 19th April 2024
Recipient: Carbon Circle
Regulatory Requirements
Management System
Discipline: Mechanical (Equipment)
Violated Requirements: (reference to document number with relevant section)
2101-YINS-00-R-SA-00009 Mechanical Technical Specification Pressure Vessel
Package no.: Carbon
System: Nil
Area: Nil
Capture Pkg
Description: (Be Specific and Detailed with Supporting Evidence)
Tag no: 48VE701
During daily site surveillance, it was observed that two of the nozzles (N3A,3B) on the Absorber Section 1 #48VE701 was relocated
due to a level gauge obstruct with brazing of structural column. It is observed that a plate renewal has been performed on the
vessel shell in place of the original penetration. In addition, the support for the new nozzle has been welded in the centre of the
renewal plate.
Reference to 2101-YINS-00-R-SAmay affect the operation, integrity, or inter-changeability of the pressure vessel. These works have been carried out and completed
without notification or authorization by Yinson or the certifying authority, in this case it shall be DNV.
Carbon Circle shall develop a Method Statement describing the steps taken to perform the repair and obtain the required approvals
from Yinson and the certifying authority, so as to ensure that the repairs undertaken will not affect the operation or integrity of the
pressure vessel.
Yinson Issuer
Signature:
Name: Thamil Selvan
Position: QC Rep
Date:
thamil.
muthu
2024.04.
19 10:47:
20 +07'00'
Approved by Yinson Quality
Manager
Name: Giovanni Brigidini
Position: QC Manager
Signature:
Date:
Digitally signed
by: Giovanni
Brigidini
Date: 2024.04.
19 11:24:18 +
07'00'
PART 2: CORRECTIONS (IMMEDIATE ACTIONS) - By Contractor within 1 Week
Include Disposition
2.1. Develop Method Statement in which describing the steps taken to perform the repair.
2.2. Provide documents to prove that the repair undertaken will not affect the operation, integrity, or interchangeability of the pressure vessel. The provided document could be part of Method Statement itself or attached.
Contractor PM/Dept. Mgr
Closure Comments & Sign-Off
Date Closed:
Marius Thunes
Yinson Representative
Closure Comments & Sign-Off
Yinson Quality Manager
Sign-Off
Verified & Accepted Date:
Approved Date:
PART 3: INVESTIGATION OF ROOT CAUSE (WHY IT HAPPENED) - By Contractor
Cause(s): (List all the causes. Use 5 Whys. Effort should be appropriate to seriousness of finding)
3.1. Problem statement:
The repair of the nozzles (N3A,3B) on the Absorber Section 1 #48VE701 had taken place without notification or
authorization by Yinson or the certifying authority - DNV. This is agains the term in Mechanical Technical
Specification 2101-YINS-00-R-SA-00009.
3.2. Root cause Analysis (Using 5W)
Question 1: Why the repair is carried out without notification or authorization by Yinson or DNV?
Answer 1: Because decision making based on assumption that the repair will not effect the operation, integrity, or
interchangeability of the pressure vessel. <--- Root cause.
Question 2: Why the discussion panel is not be able to detect this requirement extract from Mechanical Technical
Specification 2101-YINS-00-R-SA-00009?
Answer 2: Lack of awareness of the impact of the repair.
Question 3: Why is not any verify step taken place after decision is made?
Answer 3: No further verify taken because of the actual of progress of Absorber Section 1 #48VE701 is behind
planning schedule.
Investigator
Signature:
Name: Tien Hoang Dinh
Position: Inspector
Date:
26-Apr-2024
Approved by Yinson Quality
Manager
Name:
Position:
Signature:
Date:
PART 4: CORRECTIVE ACTIONS - By Contractor within 1 Month
4.1. Revised Project Planning - Assumption: Avoid making assumptions without documenting
and communicating them clearly to relevant stakeholder.
4.2 Implemented Change Management Procedure and related forms to reduce the occurrence
of this kind of event in the future.
Contractor PM/Dept. Mgr
Closure Comments & Sign-Off
Date Closed:
Marius Thunes
Yinson Representative
Closure Comments & Sign-Off
Yinson Quality Manager
Sign-Off
Verified & Accepted Date:
Approved Date:
PART 5: PREVENTIVE ACTIONS - Verify after 3 Months (if necessary)
5.1 Monitoring the performance of the implementation and do the necessarily adjustment if
Contractor PM/Dept. Mgr
Closure Comments & Sign-Off
Date Closed:
Marius Thunes
Yinson Representative
Closure Comments & Sign-Off
Yinson Quality Manager
Sign-Off
Verified & Accepted Date:
Approved Date: