EPC ADDITIONAL OFFSHORE PIPELINE 10” – 22 KM PALANG TO FSO

PPEJ-090/2010-S

TOPICS LIST

1. PROJECT INTRODUCTION2. GLOBAL SCOPE OF WORK3. FLOW CHART PIPELINE ENGINEERING4. REFERENCE AND CODE STANDART5. DETAIL SCOPE OF WORK6. DATA REQUESTED

PROJECT INTRODUCTION

PALANG AREA

22 KM

EXISTING NEW PIPELINE

FSO

PROJECT INTRODUCTION

• Pipeline Engineering Design and Installation

• New PLEM design, Fabrication and Installation

• SPM Piping Modification

GLOBAL SCOPE OF WORK

FLOW CHARTFLOW CHART PIPELINE ENGINEERING

Det Norske Veritas (DNV)

DNV OS F101 : Rules for Submarine Pipeline System

DNV RP B401 : Cathodic Protection Design

DNV RP E305 : On-Bottom Stability Design of Submarine Pipeline

DNV RP F105 : Free Spanning Pipelines

American Society of Mechanical Engineers (ASME)

ASME B16.5 : Pipe Flanges and Flanged Fittings

ASME B16.9 : Factory-Made Wrought Steel Buttwelding Fittings

ASME B31.4 : Pipeline Transportation System For Liquid Hydrocarbons and Other Liquid

American Society for Testing Materials (ASTM)

ASTM A694 : Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service

REFERENCE AND CODE STANDART

American Petroleum Institute (API)

API RP 1111 : Design, Construction, Operation and Maintenance of Offshore Hydrocarbon Pipelines

API Spec. 1104 : Standard for Welding Pipeline and Related Facilities

API Spec. 5L : Line Pipe

API Spec. 6D : Pipeline Valves

Manufacturers Standard Society (MSS)

MSS SP-75 : Specification for High Test Wrought Buttwelding Fittings

National Association of Corrosion Engineers (NACE)

NACE Std. MR-0175 : Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment

Statutory Regulations

300.K/38/M.PE/1997 : Work Safety of Oil and Gas Pipeline

REFERENCE AND CODE STANDART

FEED – DETAIL DESIGN (ENGINEERING DESIGN)SCOPE :1. ENGINEERING DESIGN CALCULATION

• PIPELINE DESIGN BASIS• PIPELINE FLOW ASSURANCE AND LINE SIZING• PIPELINE MATERIAL AND COATING VERIFICATION• PIPELINE THERMAL EXPANSION ANALYSIS• WALL THICKNESS CALCULATION REPORT• PIPELINE BUCKLING ANALYSIS• EXPANSION SPOLL ANALYSIS• ON-BOTTOM VERTICAL AND LATERAL STABILITY• PIPELINE FREE SPAN ANALYSIS (STATIC & DYNAMIC)• OVALITY ASSESSMENT• CATHODIC PROTECTION DESIGN• PIPE LAYING STRESS ANALYSIS• SPM PLEM FOUNDATION CALCULATION• SUBMARINE HOSE CALCULATION

DETAIL SCOPE OF WORK

FEED – DETAIL DESIGN (ENGINEERING DESIGN)SCOPE :2. ENGINEERING DATA SHEET

• DATA SHEET FOR LINE PIPE• DATA SHEET FOR PIPELINE BEND• DATA SHEET FOR BALL PIPELINE FLANGE CONNECTOR AND PIPELINE FLANGE• DATA SHEET FOR SACRIFICIAL ANODE• MATERIAL TAKE-OFF

DETAIL SCOPE OF WORK

3. ENGINEERING DRAWINGDETAIL SCOPE OF WORK

Pipeline Route Alignment Sheet

Offshore Pipeline Flow Diagram

SBM & FSO Cinta Natomas

Layout_Luas Area Pelabuhan Khusus

Palang Area Layout

P&ID Pig Receiver_Palang Station

Piping Arrangement_SPM 1179

Lifting Arrangement & Padeye Detail

10.25 in dia PLEM for FSO Mudmat Layout & Details

10.25 in dia PLEM for FSO Aluminium Anode Layout & Plan

14 inches Pipe PILE Sch-40

Anchor Pile Make-up & Details

48-in Pipe Pile_MakeUp & Details

Connection PLEM to SPM

Final position of anchor pile-1

TOOLS (SOFWARE SUPPORT)

No. Engineering Software to be Used Owned by1

2

3

4

5

6

OFFPIPE for Pipelay stress analysis

CAESAR II for Piping design & analysis

AUTOPIPE for Piping design & analysis

GT-Strudl for Offshore Structural Analysis

ANSYS for Structural Analysis by Finite Element Method

AutoCAD for Computerized Aided Design 2D & 3D

LPPM – ITS

LPPM – ITS

LPPM – ITS

LPPM - ITS

LPPM – ITS

LPPM – ITS

DATA REQUESTED

PipelineSize

(Inch.)Length(Km)

Gas Flowrates(BFD)

Palang to FSO 10” 22 60000

Pipeline Size, Length and Flowrates

Pipeline Material : API 5L Gr. X-52Corrosion Allowance : 0.125 inch.Steel Density : 490 lb/ft3

Specified Minimum Yield Strength : 52,000 psi.Young Modulus : 3.0E+7 psi.Poisson Ratio : 0.3

Pipeline Materials

Parameter Value

Design Pressure (psig.) 1350

Design Temperature (oF) 200

Test Pressure (psig.) 2025

ANSI Flange Rating (#) 600

Functional Parameters

DATA REQUESTED

External Corrosion Coating Material : 3LPE 3 LayerExternal Corrosion Coating Thickness : 0.157 inch.External Corrosion Coating Density : 79.9 lb/ft3

Final Coating Breakdown : 5 %Cathodic Protection Method : Sacrificial Anode

Corrosion Protection

Lay Barge Name : Arwana[1])

Freeboard Length : 1.8 mStinger Length : 25 mBarge Tension : 60 tonne

Lay Barge Data

DATA REQUESTED (ENVIRONMENTAL)

Wave and Current Data at 1-Year Return Period:Highest Astronomical Tide (Storm Surge) : 6 ftMax. Wave Height : 16 ftSpectral Peak Period : 7.6 sBottom Current Speed : 1.9 ft/s

Wave and Current Data at 100-Year Return Period:Highest Astronomical Tide (Storm Surge) : 6 ftMax. Wave Height : 28 ftSpectral Peak Period : 9.5 sBottom Current Speed : 2.4 ft/s

Water Depth:Max. : 98.4 ftMin. : 0 ft

DATA REQUESTED (ENVIRONMENTAL)

Sea Water Properties:

Density of Sea Water : 64 lb/ft3

Max. Sea Floor Temperature : 84 oFMin. Sea Floor Temperature : 59 oFKinematics Viscosity : 1.033E-5 ft2/s

Seabed Soil Properties:

Soil Type : Very Soft ClayUndrained Shear Strength : 0.55 psi.Specific Gravity : 2.61Grain Size (d50) : 0.0625Axial Coefficient of Friction : 0.5Lateral Coefficient of Friction : 0.3

Summary Resul of Calculation

Wall Thickness Verification

Pressure Containment Check 0.668 mm OK

System Collapse Check 0.065 mm OK

Propagation Buckling Check 0.296 mm OK

On-Bottom Vertical Stability

Installation 1.358 ≥ 1.1 OK

Hydrotest 2.176 ≥ 1.1 OK

Operation 2.022 ≥ 1.1 OK

Operation Corroded 1.732 ≥ 1.1 OK

Summary Resul of Calculation

Free Span Analysis

Maximum permissible free span length

Dynamic 72 ft

Maximum permissible free span length

Static Condition 236 ft

NPS

(In.)

Flow Velocities

(ft/s)Reynolds Number

Pressure Drop

(psi/100feet)

10.75 7.57 3.95E+05

0.82 < 1 (MAX

ALLOWABLE

PRESSURE DROP

BASED ON API 14E)

BACK PRESSURE CHECK

Summary Resul of Calculation

Pipe section

Allowable Anode

Spacing (meter)

Selected Anode Spacing

Number of Anodes

Net Anode Mass (kg) Final Current (A)

Joint Meter RequiredDesigned

(Initial)Require

dDesigne

d

                 KP.0 - KP.22 821 22 264 83 555,52 5868,10 5,07 31,74                 

Total       83,00 555,52 5868,10 5,07 31,74

ANODE CALCULATION

Summary Resul of Calculation

PIPELINE EXPANSION CALCULATION

Kilometer Point of Pipeline Route OD

(In.)

Virtual Anchor Location [m]

Hydro Testing Operating

Kp. 0.0 to Kp. 2210

4143 3980

Pipelaying Analysis

Pipelaying Analysis Input Freeboard Length : 1.8 mStinger Length : 25 mBarge Tension : 25 tonne

SUMMARY OF RESULT