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COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of20 19CompiledN.S.Date
OFF-SHORE INSTALLATION CAMPAIGN 2008PLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINES380100CJPT55404
0.0PIssued for Comments / Review
Rev.StatusDescriptionPreparedCheckedApprovedDate
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of1 19CompiledN.S.Date
INDEXINDEX ... 2AMENDMENTS AND REVISIONS . 41. PROJECT OVERVIEW .. 52. PROJECT DEFINITIONS .. 52.1 CONTRACTUAL DEFINITI 52.2 ABBREVIATIONS . 53. REFERENCE RULES, CODES AND STANDARDS .. 63.1 CODES AND STANDARDS 64. SCOPE OF DOCUMENT 75. PERSONNEL 86. RADIOGRAPHIC TESTING PROCEDURE 86.1 RADIOGRAPHIC PROCEDURE QUALIFICATION 86.2 RADIATION SOURCE . 86.3 EQUIPMENT 86.3.1 Internal Exposure (SWSI technique) .. 86.3.2 External Exposure (DWSI and DWDI technique) 86.4 TECHNIQUES 96.4.1 Single Wall Single Image (SWSI) .. 96.4.2 Double Wall Single Image (DWSI) .. 9 6.4.3 Double Wall Double Image (DWDI) . 106.5 FILM TYPE 11 6.6 INTENSIFYING SCREENS 11 6.7 IMAGE QUALITY INDICATOR . 116.7.1 IQIs Type .. 11 6.7.2 Sensitivity: SWSI Technique 12 6.7.3 Sensitivity: SWSI technique 12 6.7.4 Sensitivity: SWSI technique 136.8 IQI PLACEMENT .. 13COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of2 19CompiledN.S.Date
6.8.1 SWSI Technique .. 136.8.2 DWSI 136.8.3 DWDI .. 136.9 FILM COVERAGE . 136.10 EXPOSURE CONDITIONS . 146.11 FILM PROCESSING .. 146.12 DENSITY . 146.13 IDENTIFICATION OF RADIOGRAPHS 146.14 ACCEPTANCE CRITERIA ........................... 157. RADIOGRAPHIC REPORTS 15ATTACHMENT 1 ACCEPTANCE CRITERIA . 16ATTACMENT 2 RT REPORTS . 18
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of3 19CompiledN.S.Date
AMENDMENTS AND REVISIONS
Amendmentand revisionDatePageDescriptionProject Manager
00Issued for comments/reviewD.Frisinghelli
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of4 19CompiledN.S.Date
1. PROJECT OVERVIEWSAIPEM S.p.A. has been awarded Offshore Installation Campaign 2008 Project comprising the following main activities: Annamaria A Jacket installation N0 03 Sealines (Ana to Ivana B; Vesna to Ana; Irina to Ida A) installation N0 06 Tie-in (18 Spools), N0 3+1 Risers installation Pre-commissioning of the Sealines2. PROJECT DEFINITIONS2.1 CONTRACTUAL DEFINITIONS
The following terms abbreviation have been included for clarification of the CONTRACT definitions and interpretations given in the CONTRACT:
COMPANYINAgipd.o.o.
CONTRACTORSAIPEM S.p.A.All organisations selected and awarded by CONTRACTOR to
SUBCONTRACTOR1. supply a certain Project materials or equipment or 2. whom a part of the WORK has been subcontracted
CERTIFYING AUTHORITYThe authority entrusted by COMPANY for the certification fit for purpose of the WORK.
MAIN CONTRACTContract awarded to CONTRACTOR
PROJECTOFFSHORE INSTALLATION COMPAIGN 2008
2.2 ABBREVIATIONS
DWSIDouble Wall Single Image
DWDIDouble Wall Double Image
FSFilm Side
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of5 19CompiledN.S.Date
IQIImage Quality Indicator
IDInternal Diameter
NDTNon Destructive Tests
ODOutside Diameter
RTRadiographic Testing
SOWScope of Work
SSSource Side
SWSISingle Wall Single Image
WPQWelding Procedure Qualification
WTWall Thickness
3. REFERENCE RULES, CODES AND STANDARDS3.1 CODES AND STANDARDSRefDocument NumberTitle
/1/ISO 13847Petroleum and gas industries Pipeline transportation systems Welding of pipelines
/2/ISO 17636Non-destructive testing of welds Radiographic testing of fusion welded joints
/3/ISO 9712Non-destructive testing Qualification and certification of Personnel
/4/EN 462-1Non-destructive testing. Image quality indicators (wire type). Determination of image quality value.
/5/EN 473Qualification and certification of NDT personnel.
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of6 19CompiledN.S.Date
4. SCOPE OF DOCUMENT
This procedure will be applied for the Inagip OFFSHORE INSTALLATION CAMPAIGN 2008 Project, during the following phases: Welding Procedure Qualification (WPQ); Offshore Production activities: inspection of sealines, spools and tie-ins girth welds.Project SOW is summarized in following tables:Ana-Vesnasealine Installation
ItemDiameterWTMaterial
Sealine1012,7mmL415 SMLS
Spool1012,7/14,3mmL415 SMLS
Sealine36,4mmL415 SMLS
Spool36,4/7,1mmL415 SMLS
Sealine25,5mmL415 SMLS
Spool25,5/6,4mmL415 SMLS
Ana-IvanaB sealine Installation
ItemDiameterWTMaterial
Sealine1012,7mmL415 SMLS
Spool1012,7/14,3mmL415 SMLS
Sealine36,4mmL415 SMLS
Spool36,4/7,1mmL415 SMLS
Sealine25,5mmL415 SMLS
Spool25,5/6,4mmL415 SMLS
Irina-Ida Asealine Installation
ItemDiameterWTMaterial
Sealine69,5mmL415 SMLS
Spool69,5/11,0mmL415 SMLS
Sealine36,4mmL415 SMLS
Spool36,4/7,1mmL415 SMLS
Sealine25,5mmL415 SMLS
Spool25,5/6,4mmL415 SMLS
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of7 19CompiledN.S.Date
5. PERSONNEL
Radiographs will be evaluated by technicians qualified and certified as Level II for radiographic method in accordance with ISO 9712/EN 473 or equivalent and Saipem Work Instruction WI-SPA-Weld-001-E.
6. RADIOGRAPHIC TESTING PROCEDURE6.1 RADIOGRAPHIC PROCEDURE QUALIFICATIONThe radiographic procedure to be applied shall be qualified: For SWSI technique, using Both film side and source side IQIs will be used in order to carry out a comparison of radiographic sensitivities; For DWSI and SWSI using Film side IQIs.For RT Procedure Qualification, 2 radiographs shall be taken.A report similar to the one included in Attachment 2 shall be fulfilled.
6.2 RADIATION SOURCE
X-ray and Gamma-ray (Iridium 192).
6.3 EQUIPMENT
6.3.1 Internal Exposure (SWSI technique)
ProductionBattery powered x-ray crawler fitted with panoramic tube 180 KV/3mA head (air cooled), or equivalent.
WPQPanoramic X-Ray tube 300 KV-5mA (air cooled, focal spot size 5 x 0.5 mm) with separate High voltage generator an control unit or equivalent.
6.3.2 External Exposure (DWSI and DWDI technique)
ProductionDirection X-Ray tube 300 KV.Gamma-Ray apparatus with remote control using Ir-192.
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of8 19CompiledN.S.Date
WPQPanoramic X-Ray Tube 300 KV-5mA (air cooled, focal spot size 5 x 0,5 mm) with separate High voltage generator an control unit or equivalent.
6.4 TECHNIQUES
6.4.1 Single Wall Single Image (SWSI)
Panoramic shot with radiation source at the axis of the pipe, single wall exposure, single wall viewing (Figure 1).
Figure 1 Sketch of SWSI Technique.
6.4.2 Double Wall Single Image (DWSI)
Sketch of DWSI Technique is shown in Figure 2 and Figure 3.It shall be used when the access of the radiation source in the pipe is not permitted.DWSI technique using X-Ray sources will be used: On 6 and 10 OD welds, when SWSI can not be applied (for example tie-in welds).DWSI technique using Gamma-Ray sources will be used: During Offshore Production phase on 2 and 3 OD welds.
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of9 19CompiledN.S.Date
Figure 2 Sketch of DWSI Technique using X-Ray source.
Figure 3Sketch of DWSI Technique using Gamma-Ray source.
6.4.3 Double Wall Double Image (DWDI)Sketch of DWDI Technique is shown in Figure 4.This technique will be used during Welding Procedure Qualification (WPQ) for 2 and 3 OD welds.
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of10 19CompiledN.S.Date
Source
Figure 3 Sketch of DW/DI Technique
6.5 FILM TYPE
During WPQ : AGFA D7 (or equivalent) when SWSI and DWSI technique are applied; AGFA D5 (or equivalent) when DWDI technique is applied.
During production: AGFA F6 (or equivalent) when SWSI technique are applied; AGFA D7 (or equivalent) when DWSI technique with X-ray sources is applied; AGFA D5 (or equivalent) when DWSI technique with Gamma-ray Sources is applied.
6.6 INTENSIFYING SCREENS
Front and back lead screens with a thickness between 0,02mm and 0,2mm will be used for AGFA D7 and D5.Fluorometallic screens for AGFA F6.
6.7 IMAGE QUALITY INDICATOR
6.7.1 IQIs Type
Wire type IQIs, in accordance with EN 462-1 will be used. IQI wire sizes and wire numbers are reported in table 1.
COMPANYINAgipd.o.oJOBRevisions
COUNTRYCROATIA00
AREAOOF SHORE CROATIADoc. n.380100CJPT55404
PLANTPLATFORMS AND SEALINES
RADIOGRAPHIC TESTING PROCEDURE FORPIPELINESSheet / of11 19CompiledN.S.Date
7. Wire Diameter (mm)IQI EN 462 W6 FEIQI EN 462 W10 FeIQI Number
1.00XW6
0.80XW7
0.63XW8
0.50XW9
0.40XXW10
0.32XXW11
0.25XXW12
0.20XW13
0.16XW14
0.125XW15
0.100XW16
Table 1 IQI Wire sizes and numbers in accordance to EN 462-16.7.2 Sensitivity: SWSI Technique
Sensitivity related to IQI placed on source side will be in accordance with ISO 17636 and table 6 of ISO 13847 (reported in Table 2 below). During RT procedure qualification the wire to be seen when the IQI is placed on film side will be evaluated.
Pipe WallThickness(mm)SS WireSize (mm)SS WireNumber
Fromto