WELDING PROCEDURE QUALIFICATION RECORD

WELDING PROCEDURE QUALIFICATION RECORD WPQR No: 201604 Ref.: (WPQR) Date: 22.07.16 Rev: 0 Prod. by: TH RØRSVEIS AS Client: All Ref. stand: NSEN ISO 156141 Project: All Ref. spec.: Exam. body: TeknologiskInstitutt Location: Rygge Ref. Proc.: 201402 Welding process 141 Shielding gas type 1 ARGON 4.8 (99.998%) 2 3 Weaving (yes/no) No max: max: max: Purging gas type ARGON 4.8 (99.998%) 7 l/min Welding positions HL045 Joint type Buttjoint Joint preparation Machining Cleaning method Methylated spirits Backing NA Single/Double Single sided Back gouging NA Flux designation NA Flux handling NA Tungsten electrode WC20 (Grey) ø2,4 Torch angle 7590 o Stand off distance NA Nozzle diameter(s) 11 Tack welding proc. Data as pass no. 1 Rev: Identification of parent metal I: CE: C: 0,02 PCM: II: CE: C: 0,02 PCM: Part Name/Grade I Tube TP316L/ 1.4404 II Tube TP316L/ 1.4404 Identification of filler metal Index Trade name Standard ASTM A270/EN 102177 ASTM A270/EN 102177 Group 8.1 8.1 Classification Delivery cond. Welded, Pickled Welded, Pickled Heat no. Thickness Diameter [] [] 0444105 1,20 38,00 0444105 1,20 38,00 Group Filler handling 1 OK Tigrod 316LSi SFA/AWS A5.9: ER316LSi 8.1 Manufacturer recoendation 2 3 Welding Parameters Pass no. Index Dia. [] Heat treatment Welding process Wire feed speed [m/min] EN ISO 14343A: W 19 12 3 L Si Index 1: Lot no. PV4053728820 Equipment: KemppiEVO200 Current Voltage Current / Polarity Welding speed Run Out Length Gas Heat input [A] [V] [/min] [] [l/min] [kj/] 1 1 1,60 141 22 29 7,8 12,8 DC 26,0 27,0 14 0,4 0,9 Method: Preheat min: 20 C Interpass temp. max: C Heat treatment proc.: Temp. control: Digital PWHT min: C max: C Soaking: min/ min Heating rate: Cooling rate: Remarks: Date of welding: 05.07.2016 ADDITIONAL INFO: Mat'Certs, NDT; 120891916VT4, 120891916 PT4 and 120891916RT4REV1. Destructive testing in report no. 024338 Name of welder David Axelsson Stamp DA Additional info enclosed (Yes/No): Date/Signature: 22.07.16 Jarle Børrud Approved: YES JAB Index no. 6303404 Page 1 of 1 Produced by WeldEye

Dato/Date: 20160705 PRODUKTSERTIFIKAT/ INSPECTION CERTIFICATE Sertifikatnr./Cert no: i henhold til/acc to EN 10204 3.1 EC24378332 rev. 0 Vårt ordrenr./our order: Vår ref./our ref: Kundenr./Cust no: Kundens ordredato/your date: Judit Németi NA Kundens ordrenr./your order: Kundens ref./your ref: Kundens faksnr./your fax: Kundens Epost/Your email: Otto Jakobsen Fakturaadresse/Invoice address Mottaker av sertifikat/cert receiver Leveringsadresse/Delivery address Tools LEVERT PRODUKT/DELIVERED PRODUCT Varemerke/Brand: Beskrivelse/Desc: Artikkelnr./Item no: Lot nr./lot no: Kvantitet/Quantity: ESAB OK Tigrod 316LSi 1.6x1000 5kg 163216R150 PV4053728820 KLASSIFIKASJON/CLASSIFICATIONS EN ISO 14343A: W 19 12 3 L Si SFA/AWS A5.9: ER316LSi Werkstoffnuer: ~1.4430 KJEMISK ANALYSE/ CHEMICAL ANALYSIS Wire/strip Gass/flux/Auxiliary: C Si Mn P S Cr Ni Mo Cu N Ferrite FN 0.02% 0.73% 1.9% 0.01% 0.01% 18.3% 11.1% 2.5% 0.14% 0.066% 9 KOMMENTARER/COMMENTS The product complies with ESAB Product Data Sheet. ESAB 3.1 certificates fulfills NorsokM101, Rev 5, under section Annex C Qualification of welding consumables by data sheet (Normative):C.3 Certificate Det leverte produkt oppfyller kravene til EN ISO 9001 standard. Dette sertifikatet er laget elektronisk, og er gyldig uten underskrift. Spørsmål kan rettes til: AS ESAB, Nedre Fritzøe gate 2, 3264 Larvik, Ordrekontoret tlf. 33 12 10 00. Product supplied under a QA Prograe fulfilling the EN ISO 9001 standard. This certificate is produced electronically and is valid without signature. Please refer any queries to: (see above) Gyldighet/Validation Josef Moravek Quality Manager

VT CLIENT / KUNDE TH RørSveis AS DRAWING NO. / TEGNING NO. OBJECT / KONTROLL AV WPQRno. 201604 CLIENT O.NO / KUNDE O.NR WPQR 12/72016 DATE OF TESTING / KONTROLLDATO 20160712 PLACE OF WORK / KONTROLLSTED Larvik OPERATOR / OPERATØR Kjartan Sundet REPORT NO. / RAPPORT NR. 120891916VT4 PAGE / SIDE 1 of/av 1 ATTACHMENT / VEDLEGG 0 PROCEDURE / PROSEDYRE BPI01.01.01 ISO 17637 REV COMMENTS / KOMMENTARER VT inspection was done on pipe nr: 12345 and 6. EXTENT OF TESTING / KONTROLLOMFANG 100% ACCEPTANCE STANDARD / AKSEPTSTANDARD ISO 156141 Accepted according to standard REPAIRS MARKED ON / REPARASJONER AVMERKET PÅ OBJECT / OBJEKT SKETCH / SKISSE N3 NAME CERT. NO. / N3 NAVN SERT. NR. () N2 NAME CERT. NO. / N2 NAVN SERT. NR. APPROVED / GODKJENT DATO: APPROVED / GODKJENT DATO:20160712 Approved / Godkjent OPERATOR NAME CERT. NO. / OPERATØR NAVN SERT. NR. OPERATOR / OPERATØR DATO:20160712

PT CLIENT / KUNDE TH RørSveis AS DRAWING NO. / TEGNING NO. OBJECT / KONTROLL AV WPQR no. 201604 CLIENT O.NO / KUNDE O.NR WPQR 12/72016 DATE OF TESTING / KONTROLLDATO 20160712 PLACE OF WORK / KONTROLLSTED Larvik OPERATOR / OPERATØR Kjartan Sundet REPORT NO. / RAPPORT NR. 120891916PT4 PAGE / SIDE 1 of/av 1 ATTACHMENT / VEDLEGG 0 PROCEDURE / PROSEDYRE EN ISO 34521 MATERIAL TYPE / MATERIALTYPE SS PENETRANT TYPE / PENETRANTTYPE Bycotest BATCH / PARTI 140405 REV SURFACE / OVERFLATE Som sveist EXTENT OF TESTING / KONTROLLOMFANG 100% GROOVE / FUGEGEOMETRI BW ACCEPTANCE STANDARD / AKSEPTSTANDARD ENISO 156141 WELDING PROCESS / SVEISEPROSESS N/A FLUORRESCENT / FLUORISERENDE APPLICATION METHOD / PÅFØRINGSMETODE YES / JA NO / NEI Spray CLEANER TYPE / FJERNER TYPE Bycotest WATER / VANN EMULSIFIER / EMULGATOR SOLVENT / LØSNINGSMIDDEL DEVELOPER TYPE/ FREMKALLER TYPE Bycotest D 30 A 1. DRY POWDER / TØRRPULVER 3. SUSPENSION IN WATER / OPPSLEMMET I VANN BATCH / PARTI 140707 2. SOLUTION IN WATER / OPPLØST I VANN 4. POWDER IN VOLATILE SOLVENT / PULVER I FLYKTIG VÆSKE (SPRAY) PENETRATION TIME / PENETRERINGSTID 20 MIN. MATERIAL DIMENSION / MATERIAL DIMENSJON 38X1,2 EQUIPMENT / UTSTYR BRUSH TEST RESULTS REMARKS / RESULTATER BEMERKNINGER PT was done on pipe nr 12345 and 6 no indication was found during the test. DEVELOPING TEST TIME / FREMKALLINGSTID 20 MIN. OBJECT TEMPERATURE / OBJEKTTEMPERATUR 20 C REPAIRS MARKED ON / REPARASJONER AVMERKET PÅ OBJECT / OBJEKT SKETCH / SKISSE N3 NAME CERT. NO. / N3 NAVN SERT. NR. () N2 NAME CERT. NO. / N2 NAVN SERT. NR. APPROVED / GODKJENT DATO: APPROVED / GODKJENT DATO:20160712 Approved / Godkjent OPERATOR NAME CERT. NO. / OPERATØR NAVN SERT. NR. OPERATOR / OPERATØR DATO:20160712

RT CLIENT / KUNDE TH RørSveis AS DRAWING NO. / TEGNING NO. OBJECT / KONTROLL AV WPQR no. 201604 CLIENT O.NO / KUNDE O.NR WPQR 12/72016 DATE OF TESTING / KONTROLLDATO 20160714 PLACE OF WORK / KONTROLLSTED Larvik OPERATOR / OPERATØR Kjartan Sundet REPORT NO. / RAPPORT NR. 120891916RT4REV1 PAGE / SIDE 1 of/av 1 ATTACHMENT / VEDLEGG 0 PROCEDURE / PROSEDYRE BPI01.08.03 RT ISO 17636 MATERIAL TYPE / MATERIALTYPE SS EQUIPMENT / UTSTYR XRAY TUBE / RØNTGENRØR CP 100 KV FOCAL SPOT SIZE / BRENNFLEKK 3,0x3,0 EXP. DATA / EKS. DATA TUBE/RØR VOLT kv FILMFOCUS DISTANCE FILMFOKUS AVSTAND EXP.TIME/ EKSP. TIME mamin. Cimin. REV SURFACE / OVERFLATE Som sveist 440 EXTENT OF TESTING / KONTROLLOMFANG 100% A B C D 3mAm GROOVE / FUGEGEOMETRI BW EQUIPMENT / UTSTYR ISOTOPE / ISOTOP Ir 192 Co 60 Se 75 Yt 169 Ingen ACTIVITY / AKTIVITET Gbq,Ci I.Q.I SOURCE SIDE/KILDE SIDE SOURCE SIDE/KILDESIDE FILM SIDE /FILMSIDE TYPE OF I.Q.I. / I.Q.I. TYPE W 13 FE ACCEPTANCE STANDARD / AKSEPTSTANDARD ENISO156141 WELDING PROCESS / SVEISEPROSESS Ingen RADIATION SOURCE POSITION / KILDEPOSISJON TECHNIQUE / TEKNIKK 1 2 3 4 5 6 7 DENSITY / SVERTNING 2,53,7 WELD NO SVEIS NR DATE AND TIME DATO KL. DIA. PIPE DIA RØR Ug 0,2 FILM LOCATION FILM PLASSERING INTENSIFYING SCREENS / FOILER 0,027 SENSITIVITY FØLSOMHET % WIRE NR WELDER SVEISER MATERIAL THICKNESS TYKKELSE EVALUATION BEDØMMELSE FILM TYPE / FILMTYPE D3 DEFECT LOCATION FEILENS PLASSERING REMARKS BEMERKNINGER 2 12/72016 38 ABC W17 1,2 Accepted A 4 3 12/72016 38 ABC W17 1,2 Accepted A 4 4 12/72016 38 ABC W17 1,2 Accepted A 4 5 12/72016 38 ABC W17 1,2 Accepted A 4 6 12/72016 38 ABC W17 1,2 Accepted A 4 EXP. DATA AD TECH. TEGN. 17 NSEN ISO 65201:2007 Kolonne gir et tresifret referansenuer for hovedgruppen av uregelmessigheten og et firesifret referansenuer for undergrupper. Colum gives a three figure reference number for the main group of the imperfection and a four figure reference number for sub terms. Referanse no: Reference No: 100/1000=Sprekk Crack 200/2000=Hulrom Cavity 300/3000=Fast inneslutting Solid inclusion 400/4000=Bindefeil og manglende gjennomsveising Lack of fusion and penetration 500/5000=Uregelmessig form Imperfect shape 600/6000=Andre uregelmessigheter Miscellaneous imperfection. COMMENTS / KOMMENTARER. REPAIRS MARKED ON / REPARASJONER AVMERKET PÅ OBJECT / OBJEKT SKETCH / SKISSE N3 NAME CERT. NO. / N3 NAVN SERT. NR. () N2 NAME CERT. NO. / N2 NAVN SERT. NR. APPROVED / GODKJENT DATO: APPROVED / GODKJENT DATO:20160714 Approved /Godkjent OPERATOR NAME CERT. NO. / OPERATØR NAVN SERT. NR. OPERATOR / OPERATØR DATO:20160714

TEST 006 MATERIAL TESTING Report No.: 024338 Page 1 of 3 Client : TH RØRSVEIS AS Material : Augerødveien 15 1591 Sperrebotn Other details: I/II: TP316L/ 1.4404/ ASTM A270/ EN 102177 Heat no: 0444105 Welded tube, Pickled Client Contact : Torgeir Hansen Dimensions : I/II: OD 38,00 x WT 1,20 Order No. : Other Info : WPQR no. 201604 Specification : NSEN ISO 156141 141, HL045, Butt weld Sampling by TI: No Uncertainty is given upon request Applicable tests: Chemical / Tensile / Charpy Impact / Hardness (whichever tested) Accredited test: Vickers hardness test NSEN ISO 65071:2006 Table 1 Tensile test CROSSWELD TENSILE TEST acc. to: NSEN ISO 68921:2009 method B Rate of stressing: 10 MPa/s Test Dimension So Fmax Rm Remarks Ident () 2 N MPa 1 of 2 Fullsize specimen 138.73 83.82 604 Fracture in WM 2 of 2 Fullsize specimen 138.73 84.56 610 Fracture in HAZ Requirements: At ambient temp. min. NA 490 max. NA 690 LC = 200 Date 21.07.2016 Test Responsible Authorized Signature Petter Dyrnes Department Manager Copying of this report is only authorised when copied in its complete form. Eventual test results apply only for the tested objects. SK0750 c Teknologisk Institutt as Postadresse: Pb. 141 Økern 0509 Oslo Besøksadresse: Kabelgaten 2, 0580 Oslo Telefon: 22 86 50 00 Telefaks: 22 72 45 02 Epost: Web: firmapost@ti.no www.teknologisk.no Org.nr. 942 340 680 Kongsberg: Pb. 1019, NO3601 Kongsberg Stavanger: Forusbeen 10, NO4033 Stavanger Haugesund: Pb. 93, NO4299 Avaldsnes Bergen: Pb. 23, NO5346 Ågotnes

21.07.2016 MATERIAL TESTING Report No.: 024338 Page 2 of 3 Table 2 Bend test BEND TEST acc. to: NSEN ISO 5173:2010 Transverse Bend Test / Testing with a former Test Ident. Dimensions Bending Angle Former Diameter, Distance between Rollers, Results Coents Face 1 5.0 x 1.20 180 4.8 9.3 Accepted Face 2 5.0 x 1.20 180 4.8 9.3 Accepted Root 1 5.0 x 1.20 180 4.8 9.3 Accepted Root 2 5.0 x 1.20 180 4.8 9.3 Accepted Table 3 Hardness test CROSSSECTION HARDNESS TEST acc. to: NSEN ISO 90151:2011 / NSEN ISO 65071:2006 Test Method: Vickers, HV5 Indentations 6 and 10, close to fusion line BM HAZ WM HAZ BM 1 / 2 / 3 4 / 5 / 6 7 / 8 / 9 10 / 11 / 12 13 / 14 / 15 Midthickness Requirements: NA RESULTS, HV5: BM HAZ WM HAZ BM 1 212 4 174 7 154 10 162 13 215 2 213 5 150 8 164 11 151 14 223 3 186 6 144 9 189 12 190 15 225

21.07.2016 MATERIAL TESTING Report No.: 024338 Page 3 of 3 Table 4 Macro MACROSTRUCTURE acc. to: NSEN ISO 17639:2013 / ASTM E311/E34013/NSEN ISO 5817:2014 One (1) crosssection of the weld metal, heat affected zone and base metal was carried out and prepared. The macrosection was examined up to 20X magnifications. Etchant: Kallings OBSERVATIONS: The macro satisfies the specified requirements. MACRO 1 1 division = 1