Proposed Methodology Shore Approach

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Transcript of Proposed Methodology Shore Approach

1. Onshore Pipeline Installation

2. Shore Approach Construction

3. Offshore Pipelaying

4. Riser Installation

5. Post-lay Trenching

Proposed Methodology (Preliminary)

TA B L E O F C O N T E N T S

1) BRIEF INTRODUCTION TO COMPANY’S KEY PERSONNEL

2) FIELD MAP AND PIPELINE ROUTE

3) SCOPE OF WORKS

4) PIPELINE CONSTRUCTION AND INSTALLATION OVERVIEW

5) PROJECT SCHEDULE AND DURATIONS

6) PROPOSED PROJECT MANAGEMENT TEAM (PMT)

7) PIPELAY BARGE ‘OMBAK BIRU SATU’

1) PIPELAY BARGE ‘OMBAK BIRU SATU’ SPECIFICATIONS AND BARGE LAYOUT

2) BARGE WELDING STATIONS AND BARGE ROLLER ARRANGEMENT

3) STINGER DETAILS

4) PIPELAY BARGE PHOTOS

8) ONSHORE PIPELINE INSTALLATION FROM LANDFALL POINT TO LANDFALL STATION (APPROXIMATELY 5.3KM)

9) SHORE APPROACH & BEACHPULL METHODOLOGY AT LANDFALL POINT

10) SUBSEA PIPELAYING BY PIPELAY BARGE ‘OMBAK BIRU SATU 1 (APPROXIMATELY 12 KM)

1) ENGINEERING ANALYSIS

11) RISER INSTALLATION AT TBDP-A PLATFORM

12) PRE-COMMISSIONING METHODOLOGY

13) PRE AND POST TRENCHING WORKS SCOPE AND METHODOLOGY

14) SUMMARY OF MARINE SPREAD & MAJOR EQUIPMENT

15) PROJECT RELATED PHOTOS

Thai Binh-Ham Rong Gas Pipeline

LINEAR WINCH AT LANDFALL

POINT

PRE-TRENCH PRIOR TO PIPE PULLING FROM KP11.0 TO KP13.03

SUBSEA PIPELINE= 13.03 km = 1,056 jointsKP0.00

KP13.03

LAYING DIRECTION

300 Linear Winch

LAY BARGE

LINEAR WINCHSUBSEA

SPOOL TIE-IN

LAUNCHER AT TBDP-A

KP0.00

LAYING DIRECTIONPulling Direction

KP5.283

LAND PIPE = 5.283 km = 428 joints

SUBSEA PIPELINELANDFALL STATION (KP5.283)

LANDFALL POINT

TBDP-A

EXCAVATION USING

AMPHIBIOUS EXCAVATOR

RECEIVER AT LANDFALL STATION

NO. DESIGNATION NO.OF PERSON

1 PROJECT MANAGER 1

2 CONSTRUCTION MANAGER (OCS) 1

3 OPERATION MANAGER 1

4 HEAD OF PLANNING AND COST CONTROL 1

5 HEAD OF PROCUREMENT AND SUB-CONTRACTING 1

6 HEAD OF MARINE AND LOGISTIC 1

7 LOGISTIC COORDINATOR 1

8 ENGINEERING MANAGER 1

9 FIELD ENGINEER 4

10 QA/QC COORDINATOR 1

11 SAFETY COORDINATOR 1

12 DRAUGHTMAN 1

13 DOCUMENT CONTROLLER 1

TOTAL OF PMT 16 PERSONS

ENGINEERING ANAYLSIS - SHORE APPROACH - BEACH PULL CALCULATION - SHORE APPROACH – COFFERDAM DESIGN ANALYSIS

- PIPELAY ANALYSIS ( START-UP, LAYING,LAYDOWN )- RISER ANALYSIS- MISCELLANEOUS CALCULATION ( ANCHOR CATENARY, LINEAR WINCH HOLD-BACK

TIE-IN DOWN DESIGN, PULLING HEAD DESIGN , ETC.)

OPERATION / INSTALLATION PROCEDURES - PRE-LAY SURVEY ( HYDROGRAPHIC PROCEDURE )- WELDING PROCEDURE SPECIFICATION ( WPS )- PROJECT QUALITY PLAN ( PQP )- SAFETY MANAGEMENT MANUAL- ONSHORE PIPELINE PROCEDURE- SUBSEA PIPELINE INSTALLATION PROCEDURE - SHORE APPROACH - BEACH PULL PIPELINE PROCEDURE- RISER INSTALLATION PROCEDURE- SUBSEA SPOOL INSTALLATION PROCEDURE- PRE-TRENCHING PROCEDURE- PRE-COMMISSIONING PROCEDURE (PIGGING, HYDROTESTING, DEWATERING, AIR-DRYING &

NITROGEN PACKING)

- POST-TRENCHING PROCEDURE- PROJECT CLOSED-OUT REPORT

Pipelay Barge Ombak Biru Satu

Barge Particulars :

- Length: 242ft ( 73.74m)

- Breadth : 80 ft (24.38m)

- Moulded Draft : 16ft (4.88m)

- Light Draft : 1.8m

- Operating Draft : 2.0m

- Accommodation : 52 pax

Mooring System :

- 8 point mooring winches with delta flipper anchor

- 800m Anchor Wire

- Anchor buoy : 12 nos

Pipe Laying Facilities :

- Pipe Conveyor

- Pipe Alignment System

- Tensioner : 60MT

- A&R Winch : 120MT

- Main Compressor : 900cfm

- Air Tugger : 10 MT

- Stinger Length – 25 m length

Pipelay Station :

- Cleaning and Bevelling

- Alignment/ Fit-up and Welding Station #1 ( Root & Hot Pass )

- Welding Station #2 ( Filling )

- Welding Station #3 ( Filling & Capping )

- Tensioner

- X-Ray and Repair Station

- Field Joint Coating ( Wrapping and In-Fill Coating )

General Layout of Pipelay Barge

Typical Beachpull

General Beach-pull Arrangement

Methodology:

Methodology:

Methodology:

9

14

125

102

-

PREPARATION WORKS :

- RIG-UP 300MT LINEAR WINCH AT SHORE APPROACH LOCATION

- RIG-UP LONG-ARMED EXCAVATOR ONBOARD PONTOON BARGE

SHORE APPROACH METHODOLOGY :

- SET-UP PIPELAY BARGE ( W.D = 5m at ACD )

- PASS PULLING CABLE TO BARGE ( MESSENGER LINE ) BY SPEED BOAT

- PIPELAY BARGE TO HEAVE UP PULLING CABLE

- PIPELAY BARGE TO CONNECT PULLING CABLE TO PULLING HEAD

( PULLING HEAD cum UNDERWATER RECEIVER FOR GAUGING )

- COMMENCE PULLING PIPE STRING WITH BUOYANCY TANKS

( OFF-BOTTOM PULL )

- MAXIMUM 150 MT CALCULATED TO PULL 2,500M (203 JTS)

Pre-Lay Survey & Post-Lay Survey Works- Survey Boat

Shore Approach & Subsea Pipeline Installation Works- Pipelay Barge – Ombak Biru Satu- Anchor HandlingTug- Crew Boat

Tow & Tie-in Pipe Strings at Mud Flat- 2 x Flat-bottomed boats

Riser and Spool Installation Work at TBDP-A- Pipelay Barge – Ombak Biru Satu- Anchor HandlingTug- Crew Boat

Pre- and Post-lay Trenching Works- Long-armed Excavators onboard Steel Barge- Jet-sled Trencher

Equipment & Vessels

Shore Approach at Con Vanh & Subsea Pipeline Installation

- Air Diving System

- 150MT crawler crane ( onboard pipelay barge )

- NDT Equipment & Spread

- Survey Equipment

- Field Joint Coating Equipment

- 300 MT Linear Winch

- Long Arm Excavator

Thai Binh-Ham Rong Gas Pipeline

POST-TRENCHING WORKS AT MUD-FLAT AREA USING JET-SLED TRENCHING SYSTEM

TRENCHER

Water for ballasting

Air for deballasting

Previous contain material been

push out

POST-TRENCHING WORKS AT MUD-FLAT AREA USING JET-SLED TRENCHING SYSTEM

POST-TRENCHING WORKS AT MUD-FLAT AREA USING JET-SLED TRENCHING SYSTEM

APPROACHING COFFERDAM /STARTUP POINT

Thai Binh-Ham Rong Gas PipelinePOST-TRENCHING WORKS AT MUD-FLAT AREA USING

JET-SLED TRENCHING SYSTEM

INITIAL POSITIONING OF TRENCHER BY DIVER

POST-TRENCHING WORKS AT MUD-FLAT AREA USING JET-SLED TRENCHING SYSTEM

Our Experience : Beach Pull Operation 1

Our Experience: Typical Mid Point Tie-in Operation 1

Our Experience : Mid Point Tie-in Operation 2

Our Experience: Beach Pull Operation 2

Our Experience: Laying Through Sand Bank Area

Our Experience: Typical Water Master During Excavation Operation

Our Experience:Typical Linear Winch For Beach Pull Operation

Our Experience:Barge with Excavator for Pre-Trenching

1. Onshore Pipeline Installation

2. Shore Approach Construction

3. Offshore Pipelaying

4. Riser Installation

5. Post-lay Trenching

Proposed Methodology (Preliminary)