Pearl GTL Project
LINDE ENGINEERING
Shell Project No: HP-3000-QAT Contractor Project No : 5887
Project Document Number: T- 4.250.915 Project Rev.: B Page 2 of 14
Purchase Order Number:
2MH127
Tag/Item Number(s): N/A
Unit(s): ASU
PCWBS: Z
QSGTL PEARL PLANT C2 AIR SEPARATION UNITS CONSTRUCTION
E B 09.11.08 Ready for Construction FB EO AG RFC
D A 09.10.08 Issue for Review FB EO AG IFR
C O 02.12.07 Issued for Company Comments BR UA MC /ZG ICC
B Issued for Review MS MC ZG IFR
A Issued for Internal Review MS MC ZG IIR
GAMA Rev.
Project Rev
Date Description Prepared
By Checked
By
Approved By
Status
No. No. ORIGINATOR
LINDE ENGINEERING AG
Document Title:
PROCEDURE FOR CALIBRATION
Contractor
Gama Qatar Co. W. L. L.
Document No. LOC470
GAM PRO QAC GTL 028 E
Org.
Code
Doc.
Type
Disc. Code
Geogr. Area
Seq.
No
Rev. No
Vendor Code
Project Document Number: T-4.250.915
Rev No: B
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 4 of 14
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TABLE OF CONTENTS
1. SCOPE ________________________________________________________________________ 5
2. PURPOSE _____________________________________________________________________ 5
3. REFERENCES _________________________________________________________________ 5
4. DEFINITIONS _________________________________________________________________ 5
5. RESPONSIBILITIES ____________________________________________________________ 6
6. PROCEDURE __________________________________________________________________ 6
6.1. GENERAL REQUIREMENTS _______________________________________________________6
6.2. IDENTIFICATION OF INSTRUMENTS ______________________________________________6
6.3. CALIBRATION OF INSTRUMENTS _________________________________________________7 6.3.1. Periodic Calibration ____________________________________________________________________ 7 6.3.2. Re-calibration _________________________________________________________________________ 7
6.4. PRECISION OF CALIBRATION ____________________________________________________7
6.5. METHOD OF CALIBRATION ______________________________________________________7
6.6. DOCUMENTATION OF CALIBRATION _____________________________________________8
7. ATTACHMENTS ________________________________________________________________ 9
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 5 of 14
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1. SCOPE
This procedure describes the criteria and methods that shall be applied by GAMA in ensuring the accuracy of the measuring and test instruments that shall be used in the erection activities of the QSGTL Pearl Plant C2 Air Separation Units.
2. PURPOSE
The purpose of this Quality Control Procedure is to set a guideline of the testing requirements as well as the responsibilities of implementing this procedure.
3. REFERENCES
T.4.096.674 : Calibration of Testing and Measuring Tools and Equipment PQP-08.F01 : List of Measuring and Test Devices Subject to Calibration PQP-08.F02 : Calibration Label
Relevant Manufacturers Manual for equipments. Also all relevant ITPs and QCRs.
4. DEFINITIONS
Company : QSGTL and/or its PMC
Contractor : Linde Engineering AG
Sub Contractor : Gama Qatar
Project : QSGTL C2 ASU PEARL Construction Works
ITP : Inspection Test Plan
QCP : Quality Control Procedure
QA/QC : Quality Assurance / Quality Control Department
ITL : Independent Testing Laboratory
MRR : Material Receiving Report
HSE : Health and Safety and Environment
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 6 of 14
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5. RESPONSIBILITIES
The QA/QC Manager is responsible for monitoring and implementing the following activities:
Establishing the calibration schedule for all equipment included in the system.
Keeping a record of all calibrated instruments.
Ensuring that instruments are calibrated at all times during the work.
Storage of calibration instruments, which are defined as secondary "MASTER".
Master instruments are generally stored in a locked-up cabinet under the control of the QA/QC Manager. Particularly, over-sized instruments shall be kept at adequate areas and/or in proper containers.
The above mentioned activities shall be carried on by the QA/QC Department together with the department that uses the instrument.
6. PROCEDURE
6.1. GENERAL REQUIREMENTS
Instruments and/or devices having appropriate calibration certificates can be utilised within the expiry period. After the expiry dates, the calibration of these instruments and/or devices should be calibrated.
The present procedure is applicable to instruments that require to be calibrated periodically, such as pressure gages, hardness testers, paint thickness gages, optical measurement devices, etc.
Calibration intervals for these instruments and/or devices are given in Attachment 1 according to T.4.096.674 Calibration of Testing and Measuring Tools and Equipment.
6.2. IDENTIFICATION OF INSTRUMENTS
Each instrument that is subject to calibration shall be identified by a serial number.
a) This serial number will be placed on the instrument by such means that shall provide durable identification. All inspection, measuring and test instruments with missing or illegible serial numbers shall be re-calibrated prior to their use.
b) All inspection, measuring and test instruments that are employed for the inspection or acceptance of the construction work shall be marked with utilising stickers or tags, which shall enable immediate visual confirmation of its calibration status.
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 7 of 14
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6.3. CALIBRATION OF INSTRUMENTS
Instruments subject to calibration shall be calibrated on the following occasions:
6.3.1. Periodic Calibration
This calibration will be carried out before the defined expiry dates by the QA/QC personnel or by a calibration service or agency under the control of the QA/QC Department.
6.3.2. Re-calibration
The instruments may be re-calibrated at any time before the expiry date of the calibration if there are doubts as to the accuracy of the equipment.
6.4. PRECISION OF CALIBRATION
The precision of the calibration shall be defined by the QA/QC Department in accordance with the class of precision stated by the manufacturer of the instrument.
6.5. METHOD OF CALIBRATION
The calibration of the devices shall be carried out according to the manufacturer instructions. In case of the calibration procedure and/or instruction of the device manufacturer is not available, then one of the following procedures shall apply:
a) Calibration against MASTER devices,
Master devices shall possess the manufacturers certificates.
All primary "MASTER" instruments (2nd level) shall undergo calibration at predetermined periods depending on their characteristics and tendency to lose calibration. Secondary instruments (3rd level) shall be calibrated by comparison with the Masters.
b) Calibration Control by direct measurement,
Where and when applicable, the measuring devices shall be calibrated by direct measurement with appropriate and acceptable measuring methods. Measurements shall be carried out with certified devices.
During the controls, if the device has calibration means, then it will be calibrated, supported with an appropriate measurement record.
c) Calibration by an authorised institute,
Calibration of the sophisticated devices, including optical measuring devices shall only be carried out by an authorised institute.
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 8 of 14
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6.6. DOCUMENTATION OF CALIBRATION
A "control list" will be compiled for the measuring and test equipment and shall give the relevant data.
The calibration label (Attachment 2) of the calibrated equipment shall indicate the acceptance of the calibration. When this labelling is neither practical nor considered essential for the control purposes, other procedures shall be established to ensure the conformity with this requirement. Any other procedure shall be in compliance with the requirements of related specifications and subject to approval.
Prior to use of any inspection, measuring and test instrument for the construction work, the responsible engineer shall assure that the effective calibration period of the device has not yet expired and the instrument has not been damaged to a visible degree.
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 9 of 14
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7. ATTACHMENTS
Attachment 1 Calibration Intervals
Attachment 2 Calibration Labels
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 10 of 14
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Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 11 of 14
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Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 12 of 14
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Equipment
Calibration/
Functional
Test
Calibration
Period
(Months)
Remarks
Calibration of survey
instruments CAL 6 months
Calibration of Relief valve CAL 1 week
Calibration of MT yoke CAL 1 month
Calibration of optical
measuring devices CAL
12 months and
each testing
Calibration of ultrasonic
thickness measuring device CAL 12 month
Calibration of surface
thermometer CAL 2 years
Calibration of PMI machine CAL 12months
Calibration of Hygro meter CAL 12 months
Calibration of Elco meter CAL 12 months
Calibration of Holiday tester CAL 12 months
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 13 of 14
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ATTACHMENT 2
CALIBRATION LABELS
INS
S.NO
__________ Date : ___/___/___
Due __________ Sign __________
CALIBRATION" LABEL COLOUR: WHITE
CALIBRATED
Doc. Title : GAM-PRO-QAC-GTL-028 Rev. E PROCEDURE FOR CALIBRATION
Date : 09.11.2008
T-4.250.915 Rev. B Page 14 of 14
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"DO NOT USE" LABEL COLOUR: RED
H O L D