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Document No Revision N。Date Page

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PETRONAS CARIGALI SDN BHD [39275-U]

PROJECT TITLE

DOCUMENT TITLE

DOCUMENTNO

CONTRACTNO

WORK ORDER NO

CTRNO

SABAH OIL AND GAS TERMINAL (SOGT) PROJECT

FUNCTIONAL SPECIFICATION FOR LMS (L1QUID METERING SYSTEM)

SOGT -IN-SP-5013

CH2/C5/2003/DCE/146

SOGTJ2006/001

F2-IN-504

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關 Document No

Revision N。

Date

SOGT-IN-SP-5013

G 12/02/10

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TABLE OF CONTENT

1.0 GENERAL. .. … .. ……………… ............ ……………………………………………… ..... …………… …… ……………… .... 3

2.0 APPLlCABLE STANDARDS .................. ……………… ........ “ ........ …“““““ .... “““n “”“n “ ......................... 6

2.1 ORDER OF PRECEDENCE …… ............. … ........... … ....................... … ........ … …· … ………………8

3.0 TECHNICAL SPECIFICATION ...•.......................................................................................................... 9

3.1 DESIGN CRITERIA ………… .... ……… .... ………… ... ……… ....................................................... … .... 9

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

3.11

3.12

3.13

METERING SKID REQUIREMENTS …- …… ..... … ........ …… .... ………………………………………… .... 9

BI-DIRECTIONAL PROVER .... ………· …… …… .... … .... ………… ... ………… …………………… ...... 11

SAMPLlNG SYSTEM ............... …““““““n “”“”… .......... ……“…………………………………………… .. 12 STREAM FLOW COMPUTERS … ............................ … ... … ................................... … … ........... 13

PROVING COMPUTERS ...............•........................................................................................ 16

METERING SUPERVISORY COMPUTERS (DUAL REDUNDANT) ……………………………….16

INTERFACING REQUIREMENTS ……………………………………… .... ……………………… .... ……….17 TECHNICAL REQUIREMENTS FOR FIELD MOUNTED COMPONENTS ............................ 17

MOTOR OPERATED VALVES (MOV) ••.•••..••.••..••..••.•.•••.••.....••.•..•••.•..••.••..••.•••.•...•.••..•..••.•..••. 17

METERING CONTROL PANEL…………………………………… .... ……………… .... ………… .... ……….17

PIPING/MECHANICAL REQUIREMENTS …………………… .. ………………………… .... …………….18

STRUCTURAL REQUIREMENTS ……………………… .... …………………………… .... ……… .... ………18

Functional Specification for LMS (liquid Metering System)

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1.0 GENERAL

Document N。

Revision No Date Page

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The Liquid Metering System shall cover design. engineering. manufacture. testing. delivery

and commissioning of the complete Liquid Metering System. metering skid. prover skid

inciuding all required ancillary equipment as necessary for the satisfactory operation of the

Liquid Metering System

The Liquid Metering System shall consist of the followings:

• 2 number of Identical Crude Metering Systems

Each of the Crude Metering Systems shall consist of 3 metre runs (3 x 50%

configuration -2 units operating + 1 standby). each skid with Bidirectional prover.

• 1 number Condensate Metering System.

The Condensate Metering Skid shali consist of 3 metre runs (3 x 50%

configuration - 2 units operating + 1 standby) with Bidirectional prover.

AII the metering Tuns shall utilise Turbine Meters for flow measurement.

Each metering run shall be provided with its' own dedicated flow computer. The prover run

shall also be provided with its' own proving computer.

The crude and condensate metering design capacities shall be as per P&ID.

The Liquid Metering System shall be designed for custody application in accordance with

PTS. PPGUA and other relevant international standards.

In general. the complete Metering System shall consist of the following as a minimum:

• Metering skid

• Bi-directional prover

The bi-directional prover skid shall be designed such that the calibrated sections DOES

NOT need to be dismantled for shipping.

Functional Spec띠cation for LMS ιiquid Metering System)

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• Metering Control Panel

Document N。Revision N。Date Page

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The metering control panel shall be located inside instrument room at auxiliary

substation no. 2 and house the followings

One dedicated stream flow computer per stream

Dedicated proving compuler

Redundant power supply units

Redundant PLC

Redundant communication cards

AII other accessories including Galvanic isolators. wiring. terminal block. etc

Surge Proteclion Devices

• Two metering supervisory computers (one unit as back-up)

• Report. Alarm and Event Printer

AII electronic cards for field instruments and outdoor equipmentlcabinet shall have

conformal coating compliant 10 G3 requirements as per ISA 71.04.

AII metallic and non-metallic surfaces forming the part of the Liquid Metering Skid shall be

non-sparking or anti-static.

AII instrument wetted parts for crude oil service shall be suitable for methanol-contaminated

crude application.

The Liquid Metering System and Skid shall be designed for 25 years design life.

The CONTRACTOR shall be responsible for all calculations and design to guarantee

component construction and satisfactory system performance.

The Liquid Metering System shall employ common components made by the same

manufacturer and model numbers. if possible. to maximise the commonality of equipment. This will assist in minimising spares requirements.

Functional testing of the complete metering system shall be performed as per PTS

32.32.00.11 prior to shipment

Functional Specification for LMS (Liquid Metering System)

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國 Document N。 SOGT-IN-SP-5013 Revision N。 G Date 12/02/10

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The first on-site validation before the first export shall be witnessed by PMU, SIRIM and

paπners. The cost of engaging third party validation company and SIRIM shall be borne by

the CONTRACTOR

The CONTRACTOR shall appoint a metering calibration company to carry out the monthly

validation of the metering skid for duration of one year after handover. Validation manual for

the system shall be developed using a third party specialist approved by the PETRONAS

CARIGALI , PMU and partners.

The calibration and validation software shall be provided.

Functîonal Specification for LMS (Liquid Metering System)

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2.0 APPLlCABLE 5TANDARD5

The Liquid Metering System shall be designed and manufactured in accordance with the

latest version of the PETRONAS Technical Standard and applicable international codes and

standards. These shall include but not necessarily be limited to the followings:

PETRONA5 Technical 5tandard

• PTS 00.00.20.10

• PTS30.10.60.18

• PTS 30.48.00.31

• PTS 31.38.01.10

• PTS 31.38 .. 01.11

• PTS 31.38.01.12

• PTS 31.38.01.29

PTS 3• .38.01.31

PTS 3• .40.70.30

• PTS 32.• 0.03.10

PTS 32.31.00.32

PTS 32.31.09.31

PTS 32.32.00.11

• PTS 32.36.01.07

• PTS 32.37.10.11

• PTS 32.37.20.10

• PTS33.64.10.10

• PTS 62.10.08.11

• PTS 70.10.90.11

• PTS 82.00.10.10

• PPGUA

The Use of SI Quantities and Units

Welding of Metals

Painting and Coating of New Equipments

Piping Classes - Basis of design

Piping - General Requirements

Piping classes - Refining and chemicals

Pipe Supports

Shop and Field Fabrication of Steel Piping

Quarter-Turn On/Off Actuators

Instrumentation Symbols and Identification on Process Flow

Schemes

Instruments for Measurement and Control

Instrumentation for Equipment Packages

Turbine Fiscal Metering Systems for Liquid Hydrocarbons

Control Valves - Selection and Specification

Installation of On-Line Instruments

Instrument Signal Lines

Electrical Engineering Guidelines

Inspection and Functional Testing of Instruments

Spare Parts

Pr이ect Quality Assurance

Section 14 Guidelines for Dynamic Liquid Hydrocarbon

Measurement

Appendix 14 Typical Liquid Metering System

International Codes and 5tandards

• ANSI B16.5

• ANSI B• 6.34

• ANSI B3• 3

• ANSI B46.1

Pipe Flanges and Flanged Fittings.

Steel Valves, Flanged and Butt Welding Ends.

Petroleum Refinery Piping

Surface Texture, Surface Roughness, Waviness and Lay


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• API RP 550

• API RP 2530

• API RP2534

• IEC 60079

• IEC 60331 l IEC 60332

• IEC 60529 l IEC 60605

• IEC 60654

• IEC 60751

• IEC 60801

• 18A 85.1

• 18A85.2

• 18A85.3

l 18A 85.4

• 18A 851.1

• 18A 871.04

l 1803171 l 1803511

• 1805168

l 180 DI87066

Document N。Revision N。

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Manual on Installation of Refinery, Instruments and Control

8ystems

Manual of Petroleum Measurement 8tandards

Chapter 4 Meter Proving 8ystems

Chapter 5 Metering

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 1 •

Chapter 12

Chapter 21

Metering Assemblies

Temperature Determination

8ampling

Density Determination

Physical Properties data

Calculation of Petroleum Quantities

Flow Measurement Using Electronic Metering

8ystems 8ection 1 Electronic Flow

Measurement

Measurement Control Charts and 8tatistical Methods for

Petroleum Metering 8ystems

Electrical Apparatus for Explosive Gas Areas

Fire Resistant Characteristics of Electrical Cables

Flame Retardant Characteristics of Electrical Cables

Classification of Protection Provided by Enclosures

Equipment Reliability Testing.

Operating conditions for Industrial Process Measurement and

Control Equipment

Industrial Platinum Resistance Thermometer 8ensors

Electromagnetic Compatibility for Industrial-Process

Measurement and Control Equipment

Instrumentation 8ymbols and Identification

Binary logic Diagrams for Process Operations

8ymbols for Distributed Control/8hared Display Instrumentation, Logic and Computer 8ymbols

Instrument Loop Diagrams

Process Instrumentation Terminology

Environmental Conditions for process measurement and control

systems: Airborne contaminants

Methods of test for petroleum and its products

Process Measurements Control Functions Instrumentation

Representations Measurement of Fluid Flow - Estimation of Uncertainty of a Flow

Rate Measurement

Assessment of Uncertainty in the Calibration and use of Flow


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2.1 Order of Precedence

Document N。Revision No Date Page

SOGT-IN-SP-5013 G • 2/02/10 80f • 8

In case of conflict between these regulations, codes and standards, CONTRACTOR shall

refer to Part 111, Section 3 - Engineering, of the ITB for the order of precedence


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3.0 TECHNICAL SPECIFICATION

3.1 Desian Criteria


Date Page

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The Liquid Metering Skid and System shall be designed as per the following Process

conditions:

Station Capacity (BPD)

Temperature (Operating/Design)

Pressure (Operating/Design)

Specific Gravity (Normal)

Viscosity (Normal)

Max. Allowable Pressure Drop

Prover repeatability

Meter repeatability

Meter linearity

Meter turndown rati。

Overall system uncertainty

: Condensate Metering Skid (P&ID SOGT-B-• 125)

Maximum: 600,000

Minimum: 300,000

: Each Crude Metering Skid (P&ID SOGT-B-1309 and

SOGT-B-13• 0)

Maximum: 600,000

Normal: 420,000

Minimum: 300,000

: 30/65 deg. C (Crude Oil)

4이65 deg. C (Condensate)

1 이40 Barg (Crude Oil)

: 1 이40 Barg (Condensate)

: 0.832 (Crude Oil)

: 0.72 (Condensate)

: 2.27 cP (Crude Oil)

0.64 cP (Condensate)

100 kPa (across each meter ru미

: Refer to PPGUA

: Refer to PPGUA

: Refer to PPGUA

: Refer to PPGUA

: Refer to PPGUA

Materials and ratings of pipes, pipe fittings, manual isolation valves shall follow the relevant

piping class and specifications as indicated in the P&IDs.

3.2 Meterina Skid Reauirements

3.2.1 Inlet Header

• Metering Skid Inlet Line BS&W analyser

• Metering Skid Inlet Line Densitometer

• Metering Skid Inlet Line Auto sampler complete with sampling take-off.


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3.2.2 Complete Meter Streams

Each run to be fitted with the followings: • Inlet MOV’5 (gate valve)


• Strainer with Pressure Differential Transmitter and air eliminator. • Flow Profiler

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• Turbine Flowmeter with dual pulse transmitters (Conventional Type) plus field

mechanical counter

• Pressure Transmitter

• Pressure Gauge

• Temperature Transmitter complete with temperature sensor (4 wire RTD) and T까he하rmowe터따11.

• Bimetal Temperature Gauge complete with Thermowell

• Plugged test thermowell • Flow Control Valve

• Thermal Relief Valve • Outlet MOV's (double expanding plug valve) to common outlet header. The outlet

MOV’5 shall be fitted with pressure transmitter to monitor cavity pressure. • Outlet MOV’5 (double expanding plug valve) to divert flow to prover run. The outlet

MOV’5 shall be fitted with pressure transmitter to monitor cavity pressure.

3.2.3 Associated Metering Skid Pipings

• Metering skid inlet pipe and common inlet header • Metering skid outlet pipe and common outlet header

• Metering run pipes and pipe fittings including meter upstream and downstream straight

pipe run requirements • Drains • Vents

3.2.4 Structural

• Skid frame • Structural supports • Access ways • Equipment supp。πs

3.2.5 Electrical

• Power distribution board

• Instrument power distribution board

• Earthings

Functional Specification for lMS (Liquid Metering System)

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3.3 Bi-Directional Prover

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Each Liquid Metering skid shali be provided with a dedicated bidirectional prover. The bi

directional prover shali be sized for the maximum rated flowrate of one (1) turbine meter

The bi-directional meter prover shali inciude the foliowing as a minimum:

• Maximum sphere velocity shali not exceed 3m/second

• A minimum of 10,000 pulses between detectors will be coliected as per API MPMS

Chapter 4 Section 2. The CONTRACTOR may propose the design of Sphere Displacer

Type Prover loop where p비se interpolation is taken into consideration The prover shali

be calibrated by independent accredited calibration company at the manufacturer’s

premise by water draw method and shali be witnessed and certified by PMU, PETRONAS CARIGALI and/or its’ representative and partners. AIi the expenses of

engaging an independent accredited calibration company shali be bome by the

CONTRACTOR

• Prover volume shall be certified again at site, after installation but prior to first offloading

Calibration shall be witnessed and certified by SIRIM, PMU, PETRONAS CARIGALI, Custom and paπners. AIi the expenses of engaging an independent accredited

calibration company, SIRIM and Custom, shall be borne by the CONTRACTOR

• Prover pre-run shall ensure 4-way valve is fUlly seated prior to sphere detector

triggering. • Have a prover four (4) way diverter valve (complete with differential pressure

transmitter, relief facilities, electric actuator, torque and limit position switches, etc.)

• Prover loop shall be sand blasted to bare metal and internally coated to 7 mils of baked

phenolic and naturaliy air dried (i.e, no forced drying).

• Thermal relief facilities shali be provided at uncalibrated portion of the loop

Four (4) mechanical sphere detectors certified with 4 swept volumes • • l

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One chamber shali be fitted with a quick closure and the other a flange

Prover outlet flow control valve.

Prover inlet and outlet pressure transmitters.

Prover inlet and outlet pressure gauges.

Prover Inlet and outiet temperature gauge with thermowell.

Prover I 미et and outlet temperature transmitter complete with temperature sensor (4 wire

RTD) and Thermowell.

Plugged outlet test thermowell

Prover data plate

Prover outiet MOV.

Four (4) off Spheres + Sizing Ring

Sphere handling and inflation tools.

Provision of flange for prover calibration at inlet and outlet of prover loop


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The prover construction shall be such that the flanges used in the calibrated section are

positively aligned, either M/F or doweled, and will be machine matched. It shall have a

metal to metal face with ’0 ’ ring seal

Four (4) spheres (methanol resistance) shall be provided and shall be suitable for SOGT

Crude plus sphere sizing ring (sized for the final calibration size of the sphere), inflation

toolslvalves and any sphere lifting equipment required, slings, net, p비ley system, etc

One end of the prover shall be closed by a blind flange and the other shall be fitted with a

hinged quick release closure suitable for sphere insertion/removal. Adequate access must

be provided for personnel during proving operations and maintenance, i.e. walkways, stairs, etc.

Sphere detectors shall be manufactured with 316 SS trim

The prover pipework shall be specially selected for concentricity and will be free from

defects that may influence the accuracy or repeatability of the prover. The internals of the

prover shall be coated with baked phenolic finish.

AII vents and drains shall have positive isolation; double block and bleed, or other visible

method of leak checking.

3.4 Samolina Svstem

A Continuous fast loop liquid sampler shall be provided. It shall be capable of maintaining

the sample in liquid form. The sampling system shall be designed in accordance to ISO

3• 71 and API chapter 8.

Sample will be filled into cylinders during the period of export. The sampling period shall be

adjustable from the metering supervisory computer.

The body material of the sampling facility shall be of stainless steel material, weatherproof

construction and shall be Eex ‘d’ suitable for hazardous area use, classified as Zone 1, gas

group IIA, temperature class T3. Supply voltage shall be from the metering system cabinet.

The sampling system shall be designed to include:

• Adequate stream conditioning of pipeline contents

• Reliable and effective sampling, ensuring iso-kinetic conditions are maintained.

• Adequate conservation and transporting of the sample

• Static mixing facilities shall be provided

• Resistance to methanol


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The sampling system shall include but not limited to the following items:

• A single iso-kinetic grab sampler installed in pumped bypass loop. The pump used shall

be redundant

• Sample shall be taken over the whole batch loading based on a standard volume flow

proportional basis.

• Each container shall be provided with weight sensor or level sensor, a pressure gauge

and a relief valve.

• 3 off 10 litre stainless steel sample cylinders are required.

• Sampling system shall be housed inside a sampling/Analyser 316 SS cabinet. • Sampling probe and isolation valves

The sampler and collection system shall be fitted installed in a pumped bypass loop, and

shall act on imp비ses from the metering PLC and collect a standard volume flow

proportional sample whose composition is representative of the total fluid flowing through

the metering system.

The sampling timing shall be flow proportionate, driven by the metering PLC through a

solenoid valve. The solenoid coil power requirements shall be kept to less than 8 watts. The

solenoid coil shall be provided with built-in diode suitable for 24VDC supply.

Permanently mounted detectors which provide volt-free contact signals of the piston

position shall be furnished with the sampler and shall be wired to the metering PLC for

alarm and status indication. The high-high alarm shall prevent sampling action by inhibiting

the grab command pulse signal.

In addition to the automatic sampler, provision for manual sampling at the upstream

common inlet header of the skid near to the automatic sampler shall be provided to enable

manual spot sample taking in the event of the automatic sampler fails

Factory Acceptance Test shall be required for the sampling system. Wet functional test shall

be performed as part of the sampling system FAT

3.5 Stream Flow ComDuters

The flow computers shall provide custody standard metering data which shall inciude but

not limited to the following -liquid flow rate and gross, net, standard volume flow rate, gross

volume total and rate and current batch totals.

The flow computer shall be capable of having multiple meter factors and capability of its

linearity curve downloaded.


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The flow computer shall be capable of performing retro-active calculation (one back

calculation only) upon acquiring a new Meter Factor

The stream flow computers shall be capable of performing pulse interpolation.

Stream switching shall take into account batch start-up, batch loading at full flow, meter

proving and batch top-off. In the event of a fault being detected which indicates that any

stream is unable to carry on metering to the required standard , the faulty meter run will be

isolated automatically

Manual selection of any in service stream shall be possible to facilitate operational and

maintenance requirements.

The system shall be designed to ensure that cavitations cannot occur.

Flow computer displays shall be alphanumeric LCD for display of variables and constants

giving name, current value, engineering units, alarm messages and status as applicable.

Alarm handling shall be as per PTS 32.30.60.19

AlD Conversions shall be as per PTS 32.32.00.11

Each flow computer shall have a minimum display and input of all configuration parameters

as per PTS 32.32.00.11 including but not limited to:

• Set Analogue Ranges Inputs/Outputs

• Set Pulse Output Values

• Process Transducer Default Fail Values

• Density

• Meter Correction factor

• Base Temperature.

• Base Pressure.

• Dynamic Viscosity Of The Liquid

• Low Flow Cut-off (in Hz, from turbine meter input).

• Stream and Computer Identity

Each flow computer shall, as a minimum, compute and provide display of all measured and

computed values for instrumentation and computations as applicable including but not

limited to the followings

• Instantaneous Values

Actual volume flow rate

Net standard volume flow rate

Standard volume flow rate

Functional Specification for lMS (Liquid Metering System)

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Mass flow rate

Actual volume batch total flow

Net standard volume batch total flow

Standard volume batch total flow

Mass batch total flow

Stream temperature

Stream pressure

Density (Station)

Standard Volume (Barrel)

BS&W measurement

• Current Running Totals (Non-Resetable)

Gross Volume at line conditions (m3).

Mass (Tons).

Netvolumes


Date Page

SOGT-IN-SP-5013 G 12/02/10 150f • 8

The Stream Flow Computers shall be able to provide the following hourly readings

• Hourly total actual volume at line conditions (m3)

• Hourly total standard volume (m3)

• Hourly total of mass (tons).

• Hourly average of line pressure (kPag). standard volume flow weighted

• Hourly average of temperature (deg. C). standard volume flow weighted

• Hourly average of density at line conditions in use in computations (kg/m 3)

• Hourly average of standard volume flowrate (m3/h). time based

• Hourly average of mass flowrate (ton/hr). time based

Each stream flow computer shall as a minimum transmit the following data to the metering

supervisory computer over dual redundant seriallinks;

• AII measured variables.

• AII configuration data

• Each event. • Each alarm.

• Each command or mode change.

• AII computed values

• Each volume and mass flow rate and total

Each stream flow computer will monitor the open/closed limit switches of the prover inlet

MOV. and stream inletloutlet MOV.


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3.6 Pr。이lina Comouters

3.7

The proving computers shall be configured as per PTS 32.32.00.11. In addition. Proving

Computers shall incorporate the following functions:

• To operate the 4-way valve as required during automatic or semi-automatic proving.

Monitor its position and whether it is sealed when seated.

• Shall be capable of performing pulse interpolation. The prover computer should be able

to incorporate pulse interpolation in its proving calculation.

The prover computer shall be of similar hardware design to the Stream Flow Computer. The

prover computer shall be responsible for computing the meter Correction factor using

average prover temperature and pressure. The prover computer shall provide all necessa매

prover sequence control

Meterina Suoervisorv Comouters lDual Redundantl

The Metering Supervisory computers shall be configured as a main and standby. In the

event of the main computer failing. system control will revert to the backup computer.

Switch over shall include all control. monitoring and communications functions and shall be

bumpless (i.e. without loss of data or control).

The metering supervisory computer shall be configured as per PTS 32.32.00.1 • In addition.

the Metering Supervisory Computer shall also perform the following functions:

• Shall control and display the automatic sampler.

• Shall set up and format all data for serial transmission to PMCS via dual redundant link

(TCPIIP).

• To compute density from densitometer.

The Metering Supervisory Computer shall have the following specifications as a minimum:

• Minimum 21" high resolution colour flat LCD monitor (Iow radiation and non glare type)

• Microsoft OS

• Minimum 4GB DDR-2 SDRAM

• Minimum 250 GB HDD

• Minimum Intel processor - Core 2 Quad 2.3 GHz and above.

Graphics and display requirement shall be as per PTS 32.32.00.11


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3.8nterfacina Reauirements

The metering system shall interface with PMCS via dual redundant link utilising TCPIIP. The

metering system shall also be subjected to system integration test with PMCS during FAT

and SAT. During FAT metering supervisory computer shall be shipped to PMC8 vendor for

this integration test.

3.9 Technical Reauirements for Field Mounted Components

3.10

In general, field mounted instrumentation shall conform to PT8 32.3• 09.3• , PTS

32.32.00.11 , and other relevant PTS installation standards as listed in section 2.

AII field electronic instruments shall be provided with surge protection device compatible

with the type of instrument (i.e., compatible with HART transmitter)

Motor Ooerated Valves (MOV)

The metering run inlet MOVs shall be gate valve type.

The metering run outlet MOVs and prover inlet MOVs shall be double expanding plug valve

type. The valve cavity shall be monitored for valve leaks via pressure transmitter

3.11 Meterina Control Panel

The Metering Control Panel shall be installed inside the Instrument room at substation n。

2. Ingress Protection shall be IP 51 minimum.

Other Cabinet requirements shall be referred to 80GT-IN-DB-5001.

In general, all the essential flow signals (i.e, flow meter signal, pressure and temperature

compensations signals) shall be connected directly to the respective flow computers. In

addition, all essential proving signals shall be connected directly to the proving flow

computer. The non-essential signals (e.g. MOV close/open command/status, differential

pressure signals) shall be connected to the metering PLC

The metering cabinet shall be complete with the following as a minimum:

• Metering PLC (Redundant) • The 110 modules with 1.8 barriers (i.e. Galvanic isolator), Non-18 110 modules.

• Communication Cards (Redundant)

• Analogue and digital, 18 and non-18 termiriation rails.


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• Cage clamp type feed through terminals (i.e. capable to handle 2.5 sq. mm cables)

• Redundant Power Supply modules

• Fuses and MCBs

AII spare inputs (30% wired spares) and outputs shall be completely pre-wired to terminal

blocks. 30% spare terminals shall be provided for all terminal strips for future expansion.

The cabinets shall be selected from cabinet manufacturer’5 standard such as RITT AL or

equivalent.

3.12 Pioina/Mechanical Reauirements

The metering runs shall consist of all piping , and fittings pre-assembled. The layout of the

meter runs shall be defined by equipmentlpiping layouts and plans. AII piping, valves and

。ther fittings shall be designed in accordance with project piping specification and P&IDs. A

qualified meter tube fabricator shall fabricate the meter runs.

The system shall be complete with drain system, atmosphere vent, drip pans, etc. suitable

for all operational requirements under worst case facility movement and inclination. AII

piping and metering equipment shall be installed to permit f비 I draining.

Maintenance items which cause oil spillage, such as the samplers and strainers and prover

launch chamber, shall have individual drip pans to localise the spilled oil.

Manual vents shall be plugged and direct to atmosphere.

AII ventldrain valves installed downstream of the meter must be fitted with block and bleed

facilities or some other form of positive isolation (i.e. blinds).

3.13 Structural Reauirements

The structural analysis of the skids shall be provided to confirm that the skids are suitable

for in-place, transportation and lifting conditions.

The package shall be provided with maintenance access and walkways for all areas where

access is required for operation or maintenance. AII equipment shall be orientated to permit

servicing without undue dismantling and to have good access and maximum safety. The

Metering Skid shall be designed with access to equipment without climbing over pipe works


Documents

Metering Skid Fs - Petronas