Presentasi Klarifikasi Teknis (2)

SISTEM ALAT UKUR METER GAS ORIFISMILIK PT BBWM

LOKASI DI KILANG TAMBUN II, KEDUNGJAYA, BABELAN, BEKASI – JABAR

PRESENTASI PENGADAAN SISTEM METER GAS ORIFIS

12” ANSI 150#

PERAKIT PEREKAYASA

PT ANSI MEGA INSTRUMENINDO

Daftar Isi Latar Belakang dan Tujuan Peta Lokasi Stasiun Pengukur Struktur Organisasi Proyek Engineering Process Design Procurement Material & Jasa Project Schedule Metering Design and Specification

Standard & Codes Data Proses Main Line Sizing Elemen Primer-Orifice Fitting Elemen Sekunder-Transmitter Elemen Final-Flow Computer Elemen Final-Backup Gas Chromatograph Orifice Plate Calculation Flowcomp Calculation Method Thermowell Calculation Drawing (P&ID, GA, dan SA) Metering Station Block Diagram

Inspection and Test Plan (ITP) Conclusion

LATAR BELAKANG DAN TUJUAN

LATAR BELAKANG

PEMBANGUNAN SISTEM ALAT UKUR METER GAS ORIFIS YANG AKAN DIGUNAKAN SEBAGAI ALAT UKUR SERAH TERIMA GAS BUMI ANTARA PT BINA BANGUN WIBAWA MUKTI DENGAN PT MARUTA BUMI PRIMA

SISTEM METER GAS ORIFIS MILIK DAN DIOPERASIKAN OLEH PT BINA BANGUN WIBAWA MUKTI (PT BBWM)

SISTEM METER GAS ORIFIS TERSEBUT DI PASANG DI KILANG LPG TAMBUN II, BABELAN, BEKASI JAWA BARAT

MAKSUD DAN TUJUAN :

RENCANA PELAKSANAAN KEGIATAN PEMBANGUNAN SISTEM ALAT UKUR YANG MEMENUHI KETENTUAN KETELITIAN (AKURASI, REPEATABILITY AND PERFORMANCE) SESUAI STANDARD ENGINEERING.

MEMENUHI KETENTUAN PERATURAN PERUNDANGAN REPUBLIK INDONESIA UNTUK MENDAPATKAN PERSETUJUAN SISTEM ALAT UKUR DAN OPERASI SERAH TERIMA GAS BUMI PADA KEGIATAN USAHA MIGAS.

PETA LOKASI STASIUN PENGUKUR

LOKASI

GAMBAR LOKASI (map) PEMASANGAN SISTIM METER GAS ORIFIS TERSEBUT (print A3)

STR

UKT

UR

OR

GA

NIS

AS

I PR

OYEK PROJECT MANAGER

PROJECT PLANNER

QUALITY CONTROL SAFETY PURCHASIN

GFINNANCE SECURITY

CHIEF ENGINEER

01

CHIEF ENGINEER

02

INSTRUMENT DIV.

MECHANICAL DIV.

ELECTRICAL DIV.

INSTRUMENT DIV.

MECHANICAL DIV.

IT DIV.

DOCUMENT CONTROL

BOARD DIRECTOR

En

gin

eeri

ng

Pro

cess

Des

ign

Develop Vision &

Objectives

Understand Process

Identify Design Process

Identify Change Levers

Implement the Process

Make Process

Operational

Evaluate the Process

Continous Improveme

nt

Engineering Process

Design

Pro

cure

men

t M

ater

ial &

Jas

aKegiatan pengadaan  adalah usaha untuk mendapatkan barang berupa material dan peralatan dan / jasa  (kontraktor) dari pihak

luar untuk proyek. Kegiatan pengadaan atau pembelian dan kontraktor dapat dilakukan setelah lingkup proyek ditentukan dan ditetapkan pada  detail engineering  sehingga akan terlihat jenis

dan jumlah material serta peralatan yang diperlukan untuk pembangunan proyek untuk

pengadaan jasa meliputi kegiatan-kegiatan  subcontracting, seperti pemaketan pekerjaan, proses pemilihan sampai

penunjukan, perencanaan pekerjaan, serta koordinasi dan pengendalian pekerjaan subkontraktor.

Requisition Plan

Requisition

Inquiry Plan

RFQ

Inquiry to PO

Vendor Print

Manufacture & Test

Pack and Delivered

Support From

Engineering & QC

Engineering

Procurement

Pro

ject

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STANDARD & CODES

AGA REPORT No.3-1992

Orifice Metering of Natural Gas.

AGA-REPORT NO. 8 Compressibility factors of Natural Gas and other related hydrocarbon gases.

ANSI B16-5 Pipe Flanges And Flanged Fittings.ASTMD 1945 Analysis of natural gas by gas chromatography.ISO 6568 Natural gas - Simple analysis by gas chromatography.ISO 6976 Natural gas - Calculation of calorific values, density, relative

density and Wobbe index from composition.ISO 10715 Natural Gas Sampling Guidelines.API RP 520 Recommended Practice for The Design and Installation of

Pressure Relieving Systems in Refineries.API STD 526 Flanged Steel Pressure Relief Valves (Section 1 To 4).API STD 527 Commercial Seat Tightness of Pressure Relief Valves.API RP 554 Process Instrumentation and Control.ASME PTC 19-3 Temperature Measurement Instrument and Apparatus.IEC 79-0 Electrical Apparatus for Explosive Gas Atmosphere.IEC 79-1 Construction and Test; Flameproof Enclosure of Electric

Apparatus.IEC 79-10 Classification of Hazardous Areas.IEC 144 Ingress Protection for Dust And Water Jets.IEC 228 Conductors of Insulated Cables.IEC 529 Classification of Degrees of Protection Provided By

Enclosures.ISA S 5-1 Instruments Symbols and Identification.ISA S 5-3 Symbols for Distributed Control/Shared Display

Instrumentation, Logic and Computer Symbols.ISA S 51-1 Process Instrumentation Terminology.ISA RP 55-1 Hardware Testing of Digital Process Computers.

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DATA PROSES

Description Nominal Unit

Base Pressure 14.73 PsiaBase Temperature 60 Deg FDesign Press 100 PsigTemp Design 150 Deg F     

Meter Tube / Class 12" ANSI 150#  

Pipe Schedule 40  Internal Line Bore as per Pipe Data Pro v8 Table 11.938 Inch

Wall Thickness as per Pipe Data Pro v8 Table 0.406 Inch

     Minimum Flowrate 5 MMSCFDNormal Flowrate 10 MMSCFDMaximum Flowrate 15 MMSCFD     Minimum Pressure 20 PsigNormal Pressure 30 PsigMaximum Presure 35 Psig     Minimum Temperature 80 Deg FNormal Temperature 90 Deg FMaximum Temperature 100 Deg F

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MAIN LINE SIZING

No Route

Operating Conditions

Phase

Flow Rate

Line Size

Vel. NoisePressure

DropP

(Psig)

T (oF) (In) (Fps) dBAPsi/

100 ft

1 Minimum 30 80 G5

MMSCFD

12 32.585 42.62 0.017

2 Maximum 35 100 G15

MMSCFD

12 59.778 60.60 0.110

REFERENCES :API Recommended Practice 14 E, “Recommended Practice for Design and Installation of Offshore Production Platform Piping Systems”, 5th edition, 1991.

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INSTRUMENTION SPECIFICATIONS

Brand: CANALTA

Type Senior

Dual Chamber

12 inch, ANSI 150

AGA 3 Compliance with 17D

+ 5D Meter RunsORIFICE FITTING

ELEMEN PRIMER

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INSTRUMENTION SPECIFICATIONS

ELEMEN SEKUNDER

PRESSURE TRANSMITTER DIFF. PRESS TRANSMITTER TEMPERATURE TRANSMITTER

STREAM

TRANSMITTER

DIFF. PRESSURE ("H₂O) STATIC PRESSURE (Psig) TEMPERATURE (⁰F)

Brand Rosemount Rosemount Rosemount

Model/ type 3051 CD Series 3051CG Series 3144P

Range (- 250 ~ 250)”H2O (-0 ~ 100) Psig (- 58 up ~ 752) °F

Calibration Range (0 ~ 200)”H2O (0 ~ 100) Psig (0 ~ 200) °F

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INSTRUMENTION SPECIFICATIONS

ELEMEN FINAL (FLOW COMPUTER)

FLOBOSS S 600Manufacture EMERSON

CPU 32-BitHistorical Data Save Up to 35 Days Customize

Port Comm 3 Serial (RS232/RS485)1x Ethernet

Akurasi +- 0.025%

FlowRate & Energy Calculation

Embedded Comply:AGA-3

GPA 2172 - 96AGA-8

FLOW COMPUTERFLOBOSS S 600

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INSTRUMENTION SPECIFICATIONS

ELEMEN FINAL-FLOW CHART RECORDER (BACKUP)

FLOW CHART RECORDERManufacture CAMERON

Safe Working Pressure 2500 Psig

Pen Type Three Pens

DP Range (0 ~ 200)” H2O

Static Press. Range (0 ~ 100) Psig

Temperature Range (0 ~ 200) Deg F

Accuracy ±0.5% FS.FLOW CHART RECORDER

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INSTRUMENTION SPECIFICATIONS

GAS CROMATOGRAPH

ABB 8200 SERIES

Manufacture : ABB

Calculation :GPA 2172-96 (Z by AGA 8 or ISO 6976-95; ISO 12213 (by AGA8); in the future – ASTM D 3588 GOST or ISO mass

Gas Process Values“Air” (Contains N2, Ar, CO and O2 but not CO2), C1 CO2 C2 C3 IC4 NC4 C1 CO2 C2 C3 IC4 NC4

Weatherproof : NEMA/Type 4X/IP 56, aluminum alloy with

Carrier gas : Helium (consumption rate typically <20 cc/

minute during analysis cycle)

Analysis time : Determined by application

Repeatability : ± 0.025% @ ambient

± 0.05% over temperature

Temp. range (storage) : -22°F to +140°F (-30°C to 60°C)

Temp. range (normal) : 0°F to 131°F (-18°C to 56°C)

Communication port :

Two serial digital ports, software selectable for RS-232, RS-485, or RS-422. One USB MMI (RS-232 or USB). Optional USB hub (host and client) and Ethernet ports.

Supply voltage : 10.5 to 16 Vdc (Optional: 21 to 28 Vdc)

Power consumption : @ 0°F (–18°C)

Nominal: 7 Watts @ 15 Vdc; 650 mA

Start up: 45 Watts @ 15 Vdc; less than 3 A

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ORIFICE PLATE CALCULATION

DESCRIPTIONMinimum Design

Orifice Plate

Normal Design

Orifice Plate

Maximum

UNITDesign

Orifice Plate

Metering Tag Number MGO-1473 A/B

MGO-1473 A/B

MGO-1473 A/B  

Pipe Size Inside Diameter (D) 11.938 11.938 11.938 Inch

Calculated Orifice Plate (d) 4.00000 6.00000 6.00000 Inch

Beta Ratio (β) 0.335 0.503 0.503 βSelected Diff. Pressure 77.2938 65.3402 139.4705 “ H2O

Selected Pressure 34.696 44.696 49.696 PSIASelected Temperature 80 90 100 °F

Spesific Heat Ratio 1.2100 1.2100 1.2100 Cp/Cv

Viscosity 0.000007168

0.000007222

0.000007422

lbm/Ft-Sec

Chaloric Value 1469.1929 1469.1929 1469.1929 Btu/Sft3

Base Compressibility 0.994604 0.994604 0.994604  ZbFlow Compressibility 0.988747 0.986352 0.985716  Zf

Gas Relative Density 0.8908 0.8908 0.8908  Flow 5 10 15 MMSCFD

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FLOW COMPUTER CALCULATION METHOD

AGA 3

AGA 8

DP (inchWC)

Pipe & Orifice Bore (Inch)

Line Pressure (Psig)

Line Temp (Deg F)

Zf Line Compressibility

Zb Base CompressibilityBase Pressure 14.73 Psia

Base Temp 60 Deg F

Gas Composition Mol%(C1, to C6, N2, CO2)

SG (Real Gas Relative Density)

HEAT VALUE (BTU/SCF) Qb (MSCF/h) x HV (Btu/scf)

Qb (Mscf/h)Base Pressure 14.73 Psia

Base Temp 60 Deg F

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THERMOWELL CALCULATION

DRAWING P&ID (print A3)

P & IDD

raw

ing

DRAWING GA (print A3)

Dra

win

gGENERAL ARRANGEMENT

DRAWING SA (print A3)

SYSTEM ARCHITECHTURED

raw

ing

FLOWCOMP

PRINTER

METERING STATION BLOCK DIAGRAM

SUPERVISORY COMPUTER

STREAM A & B

CCR

FIELD

Inspection and Test Plan (ITP)

Rencana Pengujian dan Inspeksi Sistem Meter Gas Orifice

Print A3

Insp

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ITP

)

Inspection and Test Plan (ITP)

Rencana Pengujian dan Inspeksi Sistem Meter Gas Orifice

Print A3

Insp

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Pla

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ITP

)

Inspection and Test Plan (ITP)

Rencana Pengujian dan Inspeksi Sistem Meter Gas Orifice

Print A3

Insp

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ITP

)

Inspection and Test Plan (ITP)

Rencana Pengujian dan Inspeksi Sistem Meter Gas Orifice

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ITP

)

Inspection and Test Plan (ITP)

Rencana Pengujian dan Inspeksi Sistem Meter Gas Orifice

Print A3

Insp

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ITP

)

CONCLUSION

RANCANG BANGUN SISTEM METER GAS ORIFIS MENGACU PADA DATA PROSES DARI BADAN USAHA (BU) YANG MENCAKUP

(PRESSURE, DIFF. PRESSURE, TEMPERATURE, FLOW RATE MINIMUM ~ MAKSIMUM SERTA KOMPOSISI GAS) TELAH DILAKSANAKAN

SESUAI KETENTUAN PERATURAN, KAIDAH KETEKNIKAN YANG BAIK UNTUK KESELAMATAN KESEHATAN KERJA DAN LINDUNGAN

LINGKUNGAN SERTA PROSEDUR YANG BERLAKU. DINYATAKAN DAPAT MEMENUHI SYARAT MUTU, SPESIFIKASI TEKNIS UNTUK

KEHANDALAN UNJUK KERJA SEBAGAIMANA YANG DIHARAPKAN.

TERIMA KASIH

PT. ANSI MEGA INSTRUMENINDO

PERAKIT PEREKAYASA