Administrator

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TABLE OF CONTENTS

1.0 PURPOSE

2.0 SCOPE

3.0 REFERENCES

4.0 DEFINITIONS

5.0 ROLES AND RESPONSIBILITIES

6.0 PROCESS OF INDUCTION BENDING WORK

6.1 APPLICABLE MATERIAL 6.2 PIPE SIZE AND BENDING RADIUS 6.3 MATERIAL RECEVING INSPECTION 6.4 IDENTIFY, MARK & CUT PIPE 6.5 INDUCTION BENDING

7.0 POST BEND HEAT TREATMENT AND HARDNESS MEASUREMENT

8.0 INSPECTION AND TESTING

9.0 PIPE PAINTING PROCEDURE

10.0 MATERIAL STORAGE PROCEDURE AFTER BENDING WORK

11.0 SAFETY

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1.0 PURPOSE This document is intended to briefly describe sequence of events during various processes

involved for high frequency induction bending.

2.0 SCOPE This procedure shall be applied to the fabrication and inspection of High Frequency Induction

Bend Pipe to be used for Algeria Oman Fertilizer Project (AOFP).

3.0 REFERENCES

3.1 Codes & Standards

DPEM Circular No.2 Technical Control Regulations for Installations for the

Treatment and Storage of Hydrocarbons and Electric Power

Generating Stations

Decree 90-245 Statutory Regulations of Gas Pressure Equipment.

Decree 90-246 Statutory Regulations for steam / Vapor Pressure Equipment.

ASME B31.3 Chapter V Fabrication, Assembly and Erection

ASME B31.3 Chapter VI Examination, Inspection and Testing

ASME BPVC Sec.II Part C Welding Rods, Electrodes and Filler Metals

ASME BPVC Sec.V Nondestructive Examination

ASME BPVC Sec.IX Welding and Blazing Qualifications

3.2 Technical Specifications / Documents

The following technical specification / documents shall be used in conjunction with this

document.

(1) Specification for Piping Fabrication by Each Service Class ( 6423MS231-00-00100 00 )

(2) Specification for Inspection of Piping Work ( 6423MS230-00-00200 00 )

(3) Specification for Flushing & Cleaning of Piping ( 6423MS285-00-00100 00 )

(4) Specification for Hydrostatic & Pneumatic Pressure Test ( 6423MS286-00-00100 00 )

3.3 Reference Documents (1) Piping Material Specification (6423MP212-00-00100 00)

(2) Inspection & Test Plan for High Frequency Bending (6423DA424-00-01000 00)

(3) Method Statement for Post Weld Heat Treatment (PWHT) (6423DP420-00-00500 00)

(4) Inspection & Test Plan for Post Weld Heat Treatment (PWHT) (6423DA424-00-01100 00)

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Note: If there are any conflicting requirements between this specification and individual specification or drawings, the requirement shall be governed in accordance with the following order.

(1) Drawing and individual specifications

(2) This specification

(3) Codes and standards

4.0 DEFINITIONS

For the purposes of this document the following definitions shall hold:

Owner : This shall mean EI-Djazaria EI-Omania Lil Asmida Spa (A joint

venture of SBGH and Sonatrach) who initiated the project and

ultimately specifies the technical requirements. The Owner may also

include an agent or consultant authorized to act for on be-half of

Owner.

Contractor : This shall mean MHI & DEC who carries out all or parts of the

engineering, procurement, supply, construction and commissioning

of the project.

Media : The technical document may be prepared, submitted and reproduced

using any of the following media:

z Hard copy z Reproducible (transparencies, tracings...), photocopies and

electronic copies.

z Photographs z Electronic media including compact diskettes / floppy diskettes.

Shall : This shall mean mandatory requirement.

Should : This shall mean desired requirement.

Document : This shall include output in the form of hard copy, drawing, tracing,

reproducible, floppy diskette, compact diskette and field inspection

reports.

5.0 ROLES & RESPONSIBILITIES

1. Project Manager

Site Manager shall be responsible for overall management and HSE of all Construction

activities at site.

2. Piping Manager

Piping Manager shall be responsible for overall management of piping activities. He shall be

responsible for implementation of this procedure and shall pass the instruction down the line to

maintain the required quality level.

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3. Piping Supervisor

Piping Supervisors shall be responsible for requisitioning the materials required for fabrication,

ensuring the fabrication as per approved drawings and implementation of good fabrication and

HSE work practices in their areas of operation.

4. QA/QC Manager

QA/QC Manager shall be responsible for overall management of QA/QC activities.

He shall be responsible for Non conformance management and quality audits both internal

and external.

5. QA/QC Inspector

QA/QC Inspectors shall be responsible for carrying out inspection activities and witnessing

NDT during the fabrication processes and coordinating with the customers QA/QC personnel

for inspection and certification, as per approved ITP.

6. Safety Officer

Safety officer shall be responsible for coordination with HSE authorities of Owner. Safety officer

shall monitor all the works to ensure that they are carried out correctly and in safe manner and

advise supervisors for corrective measures, if required. He shall ensure that toolbox talks are

held which shall cover details of specific tasks to the personnel and specific job risks involved are

explained to the work force involved.

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6.0 PROCESS OF INDUCTION BENDING WORK

+

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6.1 Applicable Material

1.1 Carbon Steel : LA1, LA1U, LA2, LA2U, LA3, LA4, LB1, LB3,

MB1, MB2, MB3, MB4, PC1, PC3, PC4, RC1,

SC1

1.2 Low Temperature Carbon Steel : LK1, MK1,

1.3 Low Alloy Steel : MG1, PG1, SH1, TH1

1.4 Stainless Steel : LM1, LN1, LQ1, LQ2, MN1, MQ1, PN1, PQ1,

PS1, RN1, SN1

6.2 Pipe Size and Bending Radius

6.2.1 Pipe Size and Wall Thickness - Please refer to Attachment 1.

6.2.2 Bending Radius & Thinning Ratio for Bending Machine 1) Carbon Steel : 2.0DR ~ 3.0DR

2) Low Temperature Carbon Steel : 2.0DR

3) Low Alloy Carbon Steel : 2.0DR ~ 3.0DR

4) Stainless Steel : 3.0DR

(D: Outside Diameter)

5) Thinning Ratio : Max. 12.5 %

6.3 MATERIAL RECEIVING INSPECTION

1) The defects, straightness etc. ( Visually will be checked on mother pipe.)

2) Material Grade, O.D., W.T. & Length will be checked.

6.4 Storage and Handling Procedure of Mother Pipe for Bend

6.4.1 Storage of Mother Pipe 1) Stainless steel of mother pipes shall be stored in specified place apart from other ferrous and

nonferrous materials on dunnage. 2) Stainless steel pipes shall be covered with polyethylene sheet or equivalent to avoid direct

contact to other ferrous and nonferrous materials or contaminations, when necessary.

3) In case of outdoor storage, stainless steel pipes shall be covered with polyethylene sheet or

equivalent.

4) Steel pipes shall be separated by dunnage and / or cushion materials or equivalent to avoid direct contact and mechanical damages, when necessary.

6.4.2 Handling of Mother Pipe 1) Steel pipes shall be handled with nylon sling or equivalent. Handling with steel wires shall be

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strictly prohibited for stainless steel pipe. 2) During handling, stainless steel pipes shall be free from direct contact to other ferrous

material, nonferrous materials, contaminations, dirt, etc.

6.4.3 Preparation for Induction Bending 6.4.3.1 Grinding on External Surface of Stainless Steel Pipes

1) The stainless steel pipes shall be ground on outer radius (tension side) of external surface to be bent to remove the low melting point materials caused by cracks.

2) Ground area shall be from top neutral to bottom neutral on outer radius in transverse direction and bent length plus approx. 50mm on both start and finish side in longitudinal direction as per figure-1.

3) If minor surface defects are found at receiving inspection stage that defects shall be removed by grinding.

6.4.3.2 Visual Inspection after Grinding 1) Ground area shall be visually inspected to ensure that it is free from defects and

contaminations. 2) If some imperfections have been found, that area shall be re-grinding locally.

6.4.3.3 Storage of Pipe and Surface Cleaning before Induction Bending

1) Ground pipes shall be stored with same way as above clause 6.4.1. 2) After grinding, ground surface of stainless steel pipes shall be wiped by cloth with suitable

solvent. 3) Guide roller and clamping jig of bending machine shall be also wiped by cloth with suitable

solvent.

6.5 IDENTIFY, MARK & CUT PIPE (1) Pipe Marking

a. Confirm row pipes in accordance with cutting plan sheet.

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b. Mark a cutting line, bending start line and end line on the pipe. c. Write ISO-spool No. on the straight portion of each spools by paint marker.

(2) Cutting

Cut the pipes on the cutting line with gas cutter or cutting grinder.

(3) Pipe Rack Adjustment a. Adjust the rack height according to the pipe size. b. Prepare spools on the pipe bench in order of bending schedule.

6.6 INDUCTION BENDING

6.6.1 OUTLINE OF BENDING METHOD

A pipe is clamped at the straight tangent portion. The area to be bent is locally induction

heated from the outside surface. The pipe is pushed forward at a constant speed so that

bending stress is concentrated at a heated zone and is cooled just after bending. Therefore,

the pipe is continuously deformed to produce the desired bend.

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6.6.2 Bending Conditions a) Bending Temperature

Carbon Steel : 900 ~ 980 Low Alloy Carbon Steel : 900 ~ 980

Stainless Steel : 1020 ~ 1110

Temperature will be measured on outer radius of bend by an optical pyrometer.

b) Cooling method : Water spray cooling

c) Bending Speed : 0.2 ~ 0.3 mm/s

d) In case of longitudinal welded pipe, weld seam location shall be as follows.

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6.6.3 Procedure for Operation of Bending Machine

6.6.3.1 Start-up

(1) Control Panel

Check a power source lump on the panel, and open the door to switch on a main breaker.

At this stage, all the power sources are operational.

(2) Cooling Units a. Check a water level in the tank.

b. Start up a pump and confirm a pumping pressure.

c. Check a water pressure and flow rate at the manifold on the machine, and also

check if there is no water leakage in each cooling line.

(3) Inverter

a. Check the cooling water flow at the pressure of 1.5 ~ 2.0 kg/ b. Switch on the control panel power source first and then the main power source. On

switch off, switch off the power sources in the reverse order.

(4) Machine Start-up

a. Touch a "SYSTEM ON" in the graphic panel first.

b. Start the oil hydraulic unit. Watch starting time, pressure, and sound.

c. Follow to the instruction by DEC supervisor for machine operation.

6.6.3.2 Preparation

(1) Bending Work Sheet a. Check instructions on a pipe size, a bending radius, an angle, and so forth.

b. Check row pipes in place.

(2) Clamp Liner a. Prepare a proper size clamp liners.

b. Remove an existing liner in a position.

c. Insert the proper liners.

d. The clamp liners are progressively attached in the following manner, both of tail

clamp and the arm clamp.

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3 inch

2 inch

12 inch

10 inch 8 inch4 inch

6 inch

(3) Arm Clamp Alignment a. The sliding surface must be well oiled.

b. Move an arm clamp to choose a proper bending by a gauge.

c. When you choose a bending radius, move the arm clamp to the larger radius over

about 5mm and then return it to the proper position in order to avoid a back-rush.

(4) Clamp Pressure Adjust an oil pressure of the tail clamp and arm clamp in accordance with bending

condition card.

(5) Induction Heating Coil a. Confirm a coil number and visually inspect a coil.

b. Insert the coil in the lead inlet and tighten the lead-clamp while holding a coil by

hands.

c. Adjust the coil center horizontal to the lead inlet while hanging the coil by a hanger.

d. Confirm the alignment of a coil normal to the pipe axis by a scale.

e. Confirm the vertical alignment of a coil by a leveler.

f. Do not deform a coil by an excessive force.

g. Confirm again a horizontal alignment of a coil and tighten lead-clamp.

h. Adjust a coil position in the axial direction.

i. Place cooling hoses in a proper position.

j. Fix cooling hoses to avoid tangling with the movement of an arm.

(6) Pipe Cooling Water a. Check water circulation by draining water.

b. Adjust an amount of water by controlling a valve.

c. When a nozzle hole is clogged, clean it up by a special needle.

6.6.3.3 Set-up

(1) Electric Power a. Control the output power in accordance with a bending condition card.

b. Control the condenser by choosing a proper notch.

c. Selection of a condenser notch shall be done while a Nob is pulled.

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No selection shall be permitted while heating.

(2) Bending Data a. Prepare condition card in accordance with the bending specification on the work

sheet.

b. Input pre-setting condition on the panel in accordance with condition card.

6.6.3.4 Bending Operation

(1) Pipe Charge a. Confirm the row pipe identified in accordance with bending work sheet.

b. Move the tail clamp to the far end and open the clamp.

c. Adjust the height of carrier roller and insert a pipe.

d. Clamp a pipe by the tail clamp so that the pipe length in front of the tail clamp is long

enough for a pipe bend.

e. Forward a pipe until a pipe top reaches a coil and checks the mutual alignment.

(2) The First Bend a. N1 Set-up 9 Further forward a pipe through a coil until the bending start line sit on the bending

point and then check the length from the bending point to the pipe end.

9 Close the arm and the arm clamp, and then tighten the arm clamp.

b. Bending Start 9 Push a START button, and then the following process is automatically

advanced.

Cooling stop

Adjustment of coil position

Heating start

Cooling start

Bending start

Reach to the designated angle

Heating stop

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9 Select HIGH position in the speed selection. 9 Release the arm clamp and swing the arm.

(3) The Second Bend

a. N2 Set-up 9 Forward a pipe and measure N2 length and mark it. 9 Set up a tilting angle by a level. 9 Backward a pipe until the marked line. 9 Swing the arm, close the arm clamp and tighten the arm clamp.

b. Bending Start 9 The same procedure as Para. (2) b. 9 Confirm the pre-set values of bending conditions especially bending angle.

c. Pipe Discharge 9 Forward a pipe and support a pipe on the top. 9 Lift a pipe by a crane using appropriate slings. 9 Release a tail clamp and draw a pipe through a coil without contact.

Note: For N1 & N2 please see attachment 4 Cutting Plan. 7.0 POST BEND HEAT TREATMENT & HARDNESS MEASUREMENT

Heat treatment after high frequency bending for the following materials shall be carried out in

accordance with the conditions of table 331.1.1 of ASME B31.3

1) Low Alloy Steels (P-3, P-4 & P-5)

2) Carbon Steel for Low Temperature Service which have hardness more than 200HB.

Hardness measurement of high frequency bend is intended to verify satisfactory heat treatment.

Hardness measurement shall be made on external surface of outer radius zone at least one point

and before and after PBHT.

Target Hardness Value

1) Low Alloy Steels (225BHN for P-3, P-4 & 241BHN for P-5)

2) 200BHN for Carbon Steel for Low Temperature Service

8.0 DIMENSIONAL INSPECTION (1) Ovality (Flattening)

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a. Ovality will be measured by a caliper on bend portion.

b. Measuring Location: Middle of bending angle.

c. Frequency: The first 15 bends for each size and 10% spot check thereafter.

d. Calculation Formula: (Max.O.D. - Mim.O.D)/D100 (%) D : Nominal Outside Diameter

e. Tolerance : Max. 8% (for internal pressure)

Max. 3% (for external pressure)

(2) Wall Thickness a. Wall Thickness will be measured by an Ultrasonic thickness tester.

b. Measuring Location: Middle of bending angle on outer radius. (tension side)

c. Frequency: The first 15 bends for each size and 10% spot check thereafter.

d. Minimum wall thickness of bent pipe shall be calculated as follows.

Tm = Tn (100-Mt) (100-Rt) (10-) or Tm = (Tn-Mt) (100-Rt) (10-)

Tm : Minimum Bent Pipe Wall Thickness

Tn : Nominal Wall Thickness

Mt : Mill Tolerance 12.5% for seamless

& welded pipe

(3) Bending Angle a. Measuring Method: By an angle gauge.

b. Tolerance : CS / 0.5 degree

: SS / 1.0 degree

(4) Visual Inspection a. All bends will be visually inspected under adequate illumination. b. All bends will be visually inspected for cracks, gouges, dents, grooves, wrinkles, bulges,

kinks or surface sapling. c. No sharp surface defects such as dents or cracks are acceptable.

d. Crack like indications can be removed by grinding provided a smooth curved surface and the minimum wall thickness is maintained.

e. Dimensional tolerances for waved portion (As per PFI Standard ES 24)

Since there are occasions when buckles cannot be avoided, the following restrictions shall

apply.

1) No sharp surface defects such as dents or cracks are acceptable.

2) The maximum vertical height of any wave, measured from the average height of two adjoining crests to the valley, shall not exceed 3% of the nominal pipe diameter. (See

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note 1.)

3) The minimum ratio of the distance between crests as compared to the height between crests and the included valley should be 12 to 1. (See note 2.)

Note 1: h = ( D1 + D3 ) / 2 D2

2: L / h 12

f. Repair of mechanical damage

- Max. 0.2mm depth: Not required to be repaired. - Max. 0.8mm depth: To be repaired by cosmetic grinding. - More than 0.8mm depth: To be rejected.

(5) NDT (PT) 1) 100% penetrant test for SUS & Low-Alloy (P-3, P-4, P-5).

2) Extent of PT: On the external surface of outer radius.

3) Acceptance Criteria: No crack and liner indication (such as heavy longitudinal scratch) is

acceptable.

9.0 Pipe Painting Procedure Painting work shall be done as soon as the bending work was done, and before storage as follows:

Carbon Steel : Paint

Low Temperature Carbon Steel : Paint

Low Alloy : Paint

Stainless Steel : No Paint

10.0 MATERIAL STORAGE PROCEDURE AFTER BENDING WORK

1. Bending spools shall be stored in designated lay down area. 2. Stainless bending spools shall be stored in specified place apart from other ferrous and

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nonferrous material on dunnage. 3. Bending spools shall be separated by dunnage alloy or cushion material or equipment to

avoid direct contact and mechanical damages, when necessary.

11.0 Safety

1. The unsafe work practices and conditions in the work place shall be immediately identified

and eliminated through the use of analytical techniques such as risk assessment.

2. Build a team safety mentality where each worker contributes to the effort and each

superintendent is fully aware of the capabilities and limitations of their team.

3. All tools and equipments shall be used in accordance with the manufactures

recommendations, required tool guards in place, and maintained in good working order.

4. Where appropriate shall require employees to wear eye, ear, head and face, foot protection

outfit.

5. Special care shall be taken for the erection of scaffolding and ladders at height. 9 Attachments:

1. Service Class Table For Induction Bending

2. Cutting Plan

3. High Frequency Induction Bend Pipe Inspection Report

4. Production Daily Report

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Attachment 1

(1) CS Note : Not applicable Service Class ----- LY1, LY1U, LY2 , LY2U, 1CLASS LA1/LA1U LA2/LA2U LA3 LA4 LB1 LB3 MB1BENDING 2DR 2DR 2DR 2DR 2DR 2DR 2DR

SIZECAL.

THICK(mm) NONINAL THICKMINI.

THICK(mm)ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

2" 1.74 S40/3.91 3.42 49.1 -12.5 1.80 S40/3.91 3.42 47.4 -12.5 1.80 S40/3.91 3.42 47.4 -12.5 3.26 S80/5.54 4.80 32.8 -12.5 1.85 S40/3.91 3.42 45.9 -12.5 3.26 S80/5.54 4.85 32.8 -12.5 2.46 S40/3.91 3.42 28.1 -12.53" 1.85 S40/5.49 4.80 61.5 -12.5 1.95 S40/5.49 4.80 59.4 -12.5 1.95 S40/5.49 4.80 59.4 -12.5 3.38 S40/5.49 4.80 29.6 -12.5 2.01 S40/5.49 4.80 58.1 -12.5 3.38 S40/5.49 4.80 29.6 -12.5 2.91 S40/5.49 4.80 39.4 -12.54" 1.95 S40/6.02 5.27 63.0 -12.5 2.07 S40/6.02 5.27 60.7 -12.5 2.07 S40/6.02 5.27 60.7 -12.5 3.49 S40/6.02 5.27 33.8 -12.5 2.15 S40/6.02 5.27 59.2 -12.5 3.49 S40/6.02 5.27 33.8 -12.5 3.31 S40/6.02 5.27 37.2 -12.56" 2.16 S40/7.11 6.22 65.3 -12.5 2.34 S40/7.11 6.22 62.4 -12.5 2.34 S40/7.11 6.22 62.4 -12.5 3.72 S40/7.11 6.22 40.2 -12.5 2.46 S40/7.11 6.22 60.5 -12.5 3.72 S40/7.11 6.22 40.2 -12.5 4.16 S40/7.11 6.22 33.1 -12.58" 2.51 S40/8.18 7.16 64.9 -12.5 2.78 S40/8.18 7.16 61.2 -12.5 2.78 S40/8.18 7.16 61.2 -12.5 4.10 S40/8.18 7.16 42.7 -12.5 2.75 S40/8.18 7.16 61.6 -12.5 3.94 S40/8.18 7.16 45.0 -12.5 4.97 S40/8.18 7.16 30.6 -12.510" 2.76 S40/9.27 8.11 66.0 -12.5 3.10 S40/9.27 8.11 61.8 -12.5 3.10 S40/9.27 8.11 61.8 -12.5 4.37 S40/9.27 8.11 46.1 -12.5 3.05 S40/9.27 8.11 62.4 -12.5 4.17 S40/9.27 8.11 48.6 -12.5 5.82 S40/9.27 8.11 28.2 -12.512" 2.99 S40/10.31 9.02 66.9 -12.5 3.39 S40/10.31 9.02 62.4 -12.5 3.39 S40/10.31 9.02 62.4 -12.5 4.62 S40/10.31 9.02 48.8 -12.5 3.34 S40/10.31 9.02 63.0 -12.5 4.38 S40/10.31 9.02 51.4 -12.5 6.62 S40/10.31 9.02 26.6 -12.5

CLASS MB2 MB3 MB4 PC1 PC3 PC4 RC1BENDING 2DR 2DR 2DR 2DR 2DR 2DR 2DR/3DR

SIZE CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

2" 2.27 S40/3.91 3.42 33.6 -12.5 3.77 S160/8.74 7.65 50.7 -12.5 3.63 S160/8.74 7.65 52.5 -12.5 3.22 S80/5.54 4.85 33.6 -12.5 4.44 S160/8.74 7.65 42.0 -12.5 4.73 S160/8.74 7.65 38.2 -12.5 3.71 S160/8.74 7.65 51.5 -12.53" 2.63 S40/5.49 4.80 45.2 -12.5 4.13 S80/7.62 6.67 38.1 -12.5 3.92 S80/7.62 6.67 41.2 -12.5 4.04 S80/7.62 6.67 39.4 -12.5 5.11 S80/7.62 6.67 23.4 -12.5 5.55 S80/7.62 6.67 16.8 -12.5 4.76 S160/11.12 9.73 51.1 -12.54" 2.95 S40/6.02 5.27 44.0 -12.5 4.45 S80/8.56 7.49 40.6 -12.5 4.19 S80/8.56 7.49 44.1 -12.5 4.76 S80/8.56 7.49 36.4 -12.5 5.72 S80/8.56 7.49 23.6 -12.5 6.28 S80/8.56 7.49 16.2 -12.5 5.69 S160/13.49 11.80 51.8 -12.56" 3.64 S40/7.11 6.22 41.5 -12.5 5.14 S40/7.11 6.22 17.4 -12.5 4.75 S40/7.11 6.22 23.6 -12.5 6.30 S80/10.97 9.60 34.4 -12.5 7.00 S80/10.97 9.60 27.1 -12.5 7.83 S80/10.97 9.60 18.4 -12.5 7.67 S160/18.26 15.98 52.0 -12.58" 4.28 S40/8.18 7.16 40.2 -12.5 5.78 S40/8.18 7.16 19.3 -12.5 5.27 S40/8.18 7.16 26.4 -12.5 7.75 S80/12.70 11.11 30.2 -12.5 8.20 S80/12.70 11.11 26.2 -12.5 9.29 S80/12.70 11.11 16.4 -12.5 9.53 S120/18.26 15.98 40.4 -12.510" 4.96 S40/9.27 8.11 38.8 -12.5 6.46 S40/9.27 8.11 20.3 -12.5 5.83 S40/9.27 8.11 28.1 -12.5 9.28 S80/15.09 13.20 29.7 -12.5 9.48 S80/15.09 13.20 28.2 -12.5 10.83 S80/15.09 13.20 18.0 -12.5 11.51 S120/21.44 18.76 38.6 -12.5(3DR)12" 5.61 S40/10.31 9.02 37.8 -12.5 7.11 S40/10.31 9.02 21.2 -12.5 6.35 S40/10.31 9.02 29.6 -12.5 10.73 S80/17.48 15.30 29.9 -12.5 10.69 S80/17.48 15.30 30.1 -12.5 12.29 S80/17.48 15.30 19.7 -12.5 13.37 S120/25.40 22.23 39.9 -12.5(3DR)

(2) LCCLASS SC1 LK1 MK1BENDING 2DR/3DR 2DR 2DR

SIZE CAL. THICK(mm) NONINAL THICKMINI.

THICK(mm)ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

2" 5.94 XXS/11.07 9.69 38.7 -12.5 1.61 S40/3.91 3.42 52.9 -12.5 2.31 S40/3.91 3.42 32.5 -12.53" 8.04 XXS/15.27 13.34 39.7 -12.5 1.66 S40/5.49 4.80 65.4 -12.5 2.69 S40/5.49 4.80 44.0 -12.54" 9.91 XXS/17.12 14.98 33.8 -12.5 1.71 S40/6.02 5.27 67.6 -12.5 3.03 S40/6.02 5.27 42.5 -12.56" 13.88 XXS/21.95 19.21 27.7 -12.5 1.80 S40/7.11 6.22 71.1 -12.5 3.75 S40/7.11 6.22 39.7 -12.58" 17.61 S160/23.01 20.13 12.5 -12.5 1.89 S40/8.18 7.16 73.6 -12.5 4.43 S40/8.18 7.16 38.1 -12.510" 21.58 S160/28.57 25.00 13.7 -12.5(3DR) 1.99 S40/9.27 8.11 75.5 -12.5 5.15 S40/9.27 8.11 36.5 -12.512" 25.31 S160/33.33 29.16 13.2 -12.5(3DR) 2.08 S40/10.31 9.02 76.9 -12.5 5.83 S40/10.31 9.02 35.4 -12.5

(3) LACLASS MG1 PG1 SH1 TH1BEDING 2DR 2DR 2DR/3DR 2DR/3DR

SIZE CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

2" 2.41 S40/3.91 3.42 29.5 -12.5 3.38 S80/5.54 4.85 30.3 -12.5 5.45 XXS/11.07 9.69 43.8 -12.5 7.18 XXS/11.07 9.69 25.9 -12.53" 2.83 S40/5.49 4.80 41.0 -12.5 4.26 S80/7.62 6.67 36.1 -12.5 7.33 XXS/15.24 13.34 45.1 -12.5 9.87 XXS/15.24 13.34 26.0 -12.54" 3.21 S40/6.02 5.27 39.1 -12.5 5.05 S80/8.56 7.49 32.6 -12.5 8.99 XXS/17.12 14.98 40.0 -12.5 12.26 XXS/17.12 14.98 18.2 -12.56" 4.02 S40/7.11 6.22 35.4 -12.5 6.73 S80/10.97 9.60 29.9 -12.5 12.52 XXS/21.95 19.21 34.8 -12.5 17.35 0.938"/23.82 20.84 16.7 -12.5(3DR)8" 4.78 S40/8.18 7.16 33.2 -12.5 8.30 S80/12.70 11.11 25.3 -12.5 15.85 XXS/22.23 19.45 18.5 -12.5 22.13 1.188"/30.18 26.41 16.2 -12.5(3DR)10" 5.58 S40/9.27 8.11 31.2 -12.5 9.97 S80/15.09 13.20 24.5 -12.5 19.38 S160/28.57 25.00 22.5 -12.5(3DR) 27.20 1.438"/36.53 31.96 14.9 -12.5(3DR)12" 6.34 S40/10.31 9.02 29.7 -12.5 11.55 S80/17.48 15.30 24.5 -12.5 22.71 S160/33.33 29.16 22.1 -12.5(3DR) 31.98 1.750"/44.45 38.89 17.8 -12.5(3DR)

(4) SS Note : Not applicable Service Class ----- TS1, WQ1, WQ2CLASS LM1 LN1 LQ1 LQ2 MN1 MQ1BEDING 3DR 3DR 3DR 3DR 3DR 3DR

SIZECAL.

THICK(mm)NONINAL THICK MINI.

THICK(mm)ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm)

NONINAL THICK MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm)

NONINAL THICK MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm)

NONINAL THICK MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm)

NONINAL THICK MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm)

NONINAL THICK MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

2" 0.38 S10S/2.77 2.42 84.3 -12.5(3DR) 0.36 S10S/2.77 2.42 85.1 -12.5(3DR) 0.27 S10S/2.77 2.42 88.8 -12.5(3DR) 0.16 S40S/3.91 3.42 95.3 -12.5(3DR) 0.90 S40S/3.91 3.42 73.7 -12.5(3DR) 0.85 S40S/3.91 3.42 75.1 -12.5(3DR)3" 0.56 S10S/3.05 2.67 79.0 -12.5(3DR) 0.53 S10S/3.05 2.67 80.1 -12.5(3DR) 0.39 S10S/3.05 2.67 85.4 -12.5(3DR) 0.23 S40S/5.49 4.80 95.2 -12.5(3DR) 1.33 S40S/5.49 4.80 72.3 -12.5(3DR) 1.25 S40S/5.49 4.80 74.0 -12.5(3DR)4" 0.71 S10S/3.05 2.67 73.4 -12.5(3DR) 0.68 S10S/3.05 2.67 74.5 -12.5(3DR) 0.50 S10S/3.05 2.67 81.3 -12.5(3DR) 0.29 S40S/6.02 5.27 94.5 -12.5(3DR) 1.71 S40S/6.02 5.27 67.6 -12.5(3DR) 1.61 S40S/6.02 5.27 69.4 -12.5(3DR)6" 1.05 S10S/3.40 2.98 64.8 -12.5(3DR) 1.00 S10S/3.40 2.98 66.4 -12.5(3DR) 0.73 S10S/3.40 2.98 75.5 -12.5(3DR) 0.43 S40S7.11 6.22 93.1 -12.5(3DR) 2.51 S40S/7.11 6.22 59.6 -12.5(3DR) 2.37 S40S/7.11 6.22 61.9 -12.5(3DR)8" 1.36 S10S/3.76 3.29 58.7 -12.5(3DR) 1.31 S10S/3.76 3.29 60.2 -12.5(3DR) 0.96 S10S/3.76 3.29 70.8 -12.5(3DR) 0.55 S40S/8.18 7.16 92.3 -12.5(3DR) 3.27 S40S/8.18 7.16 54.3 -12.5(3DR) 3.08 S40S/8.18 7.16 57.0 -12.5(3DR)10" 1.70 S10S/4.19 3.67 53.7 -12.5(3DR) 1.63 S10S/4.19 3.67 55.6 -12.5(3DR) 1.19 S10S/4.19 3.67 67.6 -12.5(3DR) 0.69 0.250"/6.35 5.56 87.6 -12.5(3DR) 4.07 S40S/9.27 8.11 49.8 -12.5(3DR) 3.83 0.250"/6.35 5.56 31.1 -12.5(3DR)12" 2.01 S10S/4.57 4.00 49.8 -12.5(3DR) 1.93 S10S/4.57 4.00 51.8 -12.5(3DR) 1.41 S10S/4.57 4.00 64.8 -12.5(3DR) 4.83 S40S/9.53 8.34 42.1 -12.5(3DR) 4.55 0.312"/7.92 6.93 34.3 -12.5(3DR)

CLASS PN1 PQ1 PS1 RN1 SN1BEDING 3DR 3DR 3DR 3DR 3DR

SIZE CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

CAL. THICK(mm) NONINAL THICK

MINI.THICK(mm)

ALLOWANCE RATIO(%)

THINNING RATIO(%)

2" 1.71 S40S/3.91 3.42 50.0 -12.5(3DR) 1.33 S40S/3.91 3.42 61.1 -12.5(3DR) 1.05 S40S/3.91 3.42 69.3 -12.5(3DR) 2.46 S80S/5.54 4.85 49.3 -12.5(3DR) 4.13 S160/8.74 7.65 46.0 -12.5(3DR)3" 2.52 S40S/5.49 4.80 47.5 -12.5(3DR) 1.96 S40S/5.49 4.80 59.2 -12.5(3DR) 1.54 S40S/5.49 4.80 67.9 -12.5(3DR) 3.63 S80S/7.62 6.67 45.6 -12.5(3DR) 6.09 S160/11.12 9.73 37.4 -12.5(3DR)4" 3.24 S40S/6.02 5.27 38.5 -12.5(3DR) 2.52 S40S/6.02 5.27 52.2 -12.5(3DR) 1.98 S40S/6.02 5.27 62.4 -12.5(3DR) 4.67 S80S/8.56 7.49 37.7 -12.5(3DR) 7.83 S160/13.49 11.80 33.6 -12.5(3DR)6" 4.77 S40S/7.11 6.22 23.3 -12.5(3DR) 3.70 S40S/7.11 6.22 40.5 -12.5(3DR) 2.91 S40S/7.11 6.22 53.2 -12.5(3DR) 6.87 S80S/10.97 9.60 28.4 -12.5(3DR) 11.52 S160/18.26 15.98 27.9 -12.5(3DR)8" 6.21 S40S/8.18 7.16 13.3 -12.5(3DR) 4.82 S40S/8.18 7.16 32.7 -12.5(3DR) 3.79 S40S/8.18 7.16 47.1 -12.5(3DR) 8.94 S80S/12.7 11.11 19.5 -12.5(3DR) 15.00 S140/20.62 18.04 16.9 -12.5(3DR)10" 7.73 S80S/12.70 11.11 30.4 -12.5(3DR) 6.00 S40S/9.27 8.11 26.0 -12.5(3DR) 4.72 S40S/9.27 8.11 41.8 -12.5(3DR) 11.14 S80/15.09 13.20 15.6 -12.5(3DR) 18.69 S140/25.4 22.23 15.9 -12.5(3DR)12" 9.17 S80S/12.70 11.11 17.5 -12.5(3DR) 7.12 S40/10.31 9.02 21.1 -12.5(3DR) 5.60 S40/10.31 9.02 37.9 -12.5(3DR) 13.21 S80/17.48 15.30 13.7 -12.5(3DR) 22.17 1.250"/31.75 27.78 20.2 -12.5(3DR)

18/22

Attachment 2

NO.

(1)

(2)

(3)

CHECKEDBY:

DATE:

DATE:

1A504Q*C2G 6 40S 11000 APPROVEDBY: DATE:

MATERIALN.E.

(INCH)SCHEDULE RAWPIPELENGTH

DRAFTEDBY:

CUTTINGPLANREV:0

WORKSHEETNO:42

6423DP420-014-01(0)

19/20

Attachment 3

6423DP420-014-02(0)

REPORTNO:

I

R

I

R

NN'

CT

%

NN'

CT

%

SIGNATURE

NAME

DATE

CONTRACTOR QC OWNER

HIGHFREQUENCYINDUCTIONBENDPIPEINSPECTIONREPORTREV:0

MATERIAL SCHEDULE

mm inch mm

MODELLINEID

BENDINGSPOOL

HEATNO.

BENDINGANGLEI=INSTRUCTION/R=RESULT

D1

D2

NOMINALWALLTHICKNESS

NOMINAL NOMINAL

BENDINGRADIUS REQUIREDMINIMUMWALLTHICKNESS

mmDR mm

PIPEDIAMETER DIAMETER

BENDINGSHOP

INSPECTOR

WALLTHICKNESS

VISUAL

PT

DATE

D1

D2

D1

D2

OVALITY

MEASURINGLOCATION:III

WAVEPORTION

HARDNESSBEFORE

AFTER

N1

N2

N3

DIMENSION

20/20

Attachment 4

W.T. Bend W.T. Bend Bend

(Sch) Pcs (Sch) Pcs Pcs

1 17 2B

2 18 3B

3 19 4B

4 20 6B

5 21 8B

6 22 10B

7 23 12B

8 24 DailyTotal

9 25

10 26

11 27 WorkingTime

12 28

13 29

14 30

15 31

16 32

O.D. Material O.D. Material I/B No SpoolNo.No SpoolNo.

ProductionDailyReport

Remarks:

:~:

I/B I/B

DayShift/NightShift

DATE:

SheetNo.:

ProjectName:

Item

Size

6423DP420-014-03(0)