WPS No. 11/WPS-HOTTAPPING/API/KRS/2014 Supporting PQR No. 11/PQR-HOTTAP/API/KRS/2014

Contractor Name PT. KALIRAYA SARI Welding Process (es) SMAW & GTAW

Applicable Code (s) API 1104 (2005 Edition) Addendum 2007 Appendix B Date Rev. 0.1

1. Perform horizontal welding/groove weld with following temper bead sequence.

2. Perform circum welding/fillet weld on each side with following temper bead sequence.

3. Perform NDT by UT+MT+RT on horizontal welding (groove weld).

4. Perform NDT by MT only on circum welding (fillet weld).

TECHNIQUE

String or Weave Bead Root Bead = String ; Others = Weave (Max 2 x Ø Elec.)

Type External Clamp

Removal of Clamp After Minimum 50% Root Pass Completion Shall not occur until the root and hot pass are completed

N/A

Welding Position Incline 45 Degree N/A

Temperature (°C) min. N/A Max. 15 minutes (actual to be recorded)

Heated width (mm) N/A (actual to be recorded)

Heating Method N/A

Measurement Method N/A

Interpass Temperature Max. = 200°C

Root Horizontal 3.2 DCSP 110.0 - 110.5 23.5 - 24.0 52.0 - 53.0 74.33 - 77.72 GTAW

Hot Horizontal 3.2 DCSP 110.0 - 110.5 23.5 - 24.0 52.0 - 53.0 74.33 - 77.72 GTAW

Fill Horizontal 3.2 DCRP 125.0 - 126.0 24.5 - 25.0 62.0 - 63.0 74.08 - 77.43 SMAW

Cap Horizontal 3.2 DCRP 125.0 - 126.0 24.5 - 25.0 62.0 - 63.0 74.08 - 77.43 SMAW

1&Others Vertical Up 3.2 DCRP 125.0 - 126.0 24.5 - 25.0 62.0 - 63.0 74.08 - 77.43 SMAW

Prepared by, Approved by, Reviewed by,

PT. KALIRAYA SARI PT. KALIRAYA SARI TOTAL E&P Indonesie

Erwin Ivo Slamet Wahyudi

Welding Engineer QA/QC Coordinator

POST WELD HEAT TREATMENT (PWHT)

ELECTRICAL CHARACTERISTIC

RemarksElectrode

W E L D I N G P A R A M E T E R

Polarity Ampere (A) Voltage (V)Travel Speed

(mm/min)Heat Input

(KJ/in)

G A S

PRELIMINARY - WELDING PROCEDURE SPECIFICATION (P-WPS)

MAIN PROCEDURE

16-December-2014

A A

Material Spec.N/A

WELDING SEQUENCE

Pipe move up

REPAIR METHOD

WELDING POSITION

0.4 m/s - 1.2 m/sFlow Speed LINE-UP CLAMP

Min. number of Run before cooling down

E.7018-G A 5.5 / Gr. 3 ESAB OK.48.08

PREHEAT

PassWelding Direction

FILLER METAL

AWS Spec. / Group No.

Trade NameSize (mm)

CIRCUMFERENTIAL WELDING

Completion First Layer & Start of Second Layer

Completion Second Layer & Start of 3rd Layer

Confirmation of Defect Removal

TIME BETWEEN PASS (ES)

( actual to be record )

Method of Defect Removal

B

Pipe API 5L X42 Ø 12'' Thk 6 mm

A

BASE METALS

Base Metal Group C% Ceq% PCm% Manufacturer

Chemical Composition

Cut From Pipe API 5L X42 Ø 14''

Thk 14.28 mm

Mixture Flow Rate

Chemical CompositionArgon 99.99% 8 - 15 ltr/min

Gas Cup Size 4, 5, 6, 7, 8

ShieldingGas

Thickness ( T ) B = 6 mm A = 14.28 mm Ø 2.4 mm EWTH-2

Outside Diameter 323.85 mmInitial & Interpass Cleaning Power Grinding / Wire Brushing

Tungsten electrode size Ø and type

E.7018-G A 5.5 / Gr. 3 ESAB OK.48.08

ER70S-6 A 5.18 / Gr. 5 ESAB OK.12.64

E.7018-G A 5.5 / Gr. 3 ESAB OK.48.08

LONGITUDINAL WELDINGER70S-6 A 5.18 / Gr. 5 ESAB OK.12.64

Actual to be recorded

Actual to be recorded