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    Pipeline Installation Methodology

    Uploaded by

    Bagus Bagaskara Putra
    The document outlines the proposed methodology for installing a gas pipeline that includes: 1) Onshore pipeline installation from the landfall point to the landfall station 2) Shore approach construction at the landfall point 3) Offshore pipelaying using a pipelay barge to install the subsea pipeline 4) Riser installation at the TBDP-A platform 5) Post-lay trenching of the installed pipeline.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Pipeline Installation Methodology

    Uploaded by

    Bagus Bagaskara Putra
    1K views40 pages
    The document outlines the proposed methodology for installing a gas pipeline that includes: 1) Onshore pipeline installation from the landfall point to the landfall station 2) Shore approach construction at the landfall point 3) Offshore pipelaying using a pipelay barge to install the subsea pipeline 4) Riser installation at the TBDP-A platform 5) Post-lay trenching of the installed pipeline.

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    The document outlines the proposed methodology for installing a gas pipeline that includes: 1) Onshore pipeline installation from the landfall point to the landfall station 2) Shore approach construction at the landfall point 3) Offshore pipelaying using a pipelay barge to install the subsea pipeline 4) Riser installation at the TBDP-A platform 5) Post-lay trenching of the installed pipeline.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    1K views40 pages

    Pipeline Installation Methodology

    Uploaded by

    Bagus Bagaskara Putra
    The document outlines the proposed methodology for installing a gas pipeline that includes: 1) Onshore pipeline installation from the landfall point to the landfall station 2) Shore approach construction at the landfall point 3) Offshore pipelaying using a pipelay barge to install the subsea pipeline 4) Riser installation at the TBDP-A platform 5) Post-lay trenching of the installed pipeline.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 40

    Proposed Methodology (Preliminary)

    1. Onshore Pipeline Installation


    2. Shore Approach Construction
    3. Offshore Pipelaying
    4. Riser Installation
    5. Post-lay Trenching
    Thai Binh-Ham Rong Gas Pipeline

    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
    SUBSEA PIPELINE
    LANDFALL LANDFALL TBDP-A
    STATION POINT
    (KP5.283)
    LAND PIPE = 5.283 km KP13.03
    KP0.00
    = 428 joints SUBSEA PIPELINE= 13.03 km = 1,056 joints

    KP0.00

    KP5.283

    LAYING DIRECTION LAYING DIRECTION


    Pulling Direction
    LAUNCHER
    AT TBDP-A
    RECEIVER AT 300 Linear
    LANDFALL Winch
    STATION

    EXCAVATION LINEAR
    USING WINCH AT
    AMPHIBIOUS LANDFALL LAY BARGE
    EXCAVATOR POINT SUBSEA
    LINEAR WINCH SPOOL TIE-IN

    PRE-TRENCH PRIOR TO PIPE PULLING FROM


    KP11.0 TO KP13.03
    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)
    Equipment & Vessels

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

    TRENCHER

    Previous contain material been


    push out

    Water for ballasting


    Air for deballasting
    POST-TRENCHING WORKS AT MUD-FLAT AREA USING
    JET-SLED TRENCHING SYSTEM
    Thai Binh-Ham Rong Gas Pipeline
    POST-TRENCHING WORKS AT MUD-FLAT AREA USING
    JET-SLED TRENCHING SYSTEM

    APPROACHING COFFERDAM /STARTUP POINT


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

    INITIAL POSITIONING OF TRENCHER BY DIVER


    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
    Proposed Methodology (Preliminary)

    1. Onshore Pipeline Installation


    2. Shore Approach Construction
    3. Offshore Pipelaying
    4. Riser Installation
    5. Post-lay Trenching

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