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Fa,,: \041:. -'84 773·1··,·S·M.·.PROCEDURE QUALIFICATION RECORD (PQR).

CompanyName: ELITSHA HOLDINGS Date: 08/11/2010Location: ELITSHA HOLDINGS - Holden Street, Port Elizabeth.

Welding Process(es): GTAW

PQR No.: 210297A - 254SMO 'AVESTA'Page 1 of 2

Welding Type: MANUAL

JOINTS (QW-402) RUNSEOUENCE

70 DEG,.' '--'~-~.- -"·--·-·-,,,-·""l~'~'''''' •..• -' "~'-'" --.'-'.-,-- -,,- .-'.

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Run Trade Electrode Process AWSNo. Volts Amps Cum: Electrode Travel SFA F A HeatNo. Name Size nt Polarity Speed No. No. No. Input1'vn.

1 AFROX 1.6nun GTAW ERNiCrMo-J 12-15 25-35 DC NEG. MANUAL 5.14 6 45 N/A

2 AFROX 1.6mm GTAW ERNiCrMo-J 12-15 25-35 DC NEG. MANUAL 5.14 6 45 N/A

BASE METALS (QW-403) POSTWELD HEAT TREATMENT (QW-407)

Material Spec.: ASMESA312M PWHT Temperature: N/AType or Grade: 254 SMO to 254 SMO Soak Time: N/AP-no.: 45 to P-no.: 45 Temperature Gradient: NIAThickness of Test Coupon: 2.77 mm (SCH. 40) Other: NoneDiameter of Test Coupon: 60.3 mm (2 inch)

FILLER METALS (QW-404) GAS (QW-408)

AWS Specification: ERNiCrMoJ Percent CompositionSFA Classification: 5.14 Gas/es) (Mixture) Flow RateFiller Metal F.No.: 6 Shielding: Argon 99.95 % 12-1SflminWeld Metal Analysis ANo.: 45 Backing (Purge): Argon 99.95 %Size of Filler Metal: 1.6mm (GTAW) Trailing: None Other: None

POSITION (QW-405) ELECTRICAL CHARACTERISTICS (QW-409)

Position of Groove: 6G Current: DCWeld Progression (UphilllDownhill): Uphill Polarity: Electrode Negative (Reverse Polarity):Other: All positions Amps: 25-35 Volts: 12-15

TECHNIQUE (QW-410)Tungsten Electrode Size: 2.4 mm thoriated PREHEAT (QW-406)Travel Speed: Manual Preheat Temp.: No preheatMultipass or Single Pass(per side): Multipass/single side Interpass Temp.: 200°C Max.String or Weave Bead: Weave Other: NoneOscillation: YesSingle or Multiple Electrodes: Single

PQRNo.: 210297254 SMO "AVESTA"Page 2 of2

TENSILE TEST (OW-150)

Specimen No. Width Thickness Pig:idArea Ultimate Total Load Ultimate Unit Stress Failure Location

Sq.mm KN MPamm mm

A 13.04 2.501 60.30 32.90 23.68 720 WeldIDuctile

B 13.19 2.534 60.30 33.72 24.63 730 WeldIDuctile

GUIDED-BEND TESTS (QW-160)

Type and Figure No. Results Report No.

FACE BEND ACCEPTABLE 10-5836B

ROOT BEND ACCEPTABLE 10-5836B

TOUGHNESS TESTS (OW-170 Imnact Values

% Shear Mils Dron-=:-::-

Specimen No. Notch Location Specimen Size Test Temp. Ftlbs. e3K(YIN)

I-- ---t---------Comments:

FILLET-WELD TEST (QW-180)Result-Satisfactory: Yes: N/A No: N/AMacro-Results: N/A

Penetration into Parent Metal: Yes: NIA No:N/A

OTHER TESTSType of Test: MECHANICALTests conducted by: Mechanical tests-Welder's Name: PATRICKBLAAU

Report No.: RT210167METLAB

VD No.: 5911245144087

Deposit Analysis: N/A Other: N/ALaboratory Test Report No.: 10-5836BStamp number: PBB

We certify that the statements in this record are correct and that the test welds were prepared, welded and tested in accordance with therequirements of ASME Section IX 2007 A09.

For Manufacturer: For: OLIVIER SURVEY GROUP (PTY) LID

Representative: Representative: M.M. RUDMAN

Signature: Signature:

Date: 08/11/2010 Date: 08/11/2010