INTRODUCTION TO GAS SUPPLY SYSTEM FOR RESIDENTIALS

AND COMMERCIALSAND COMMERCIALS

Table of ContentsTable of Contents• Introduction to Gas Malaysia• Introduction to Gas Malaysia

• LPG Characteristics

• NG Characteristics

• Supply Concept

• Codes and Standards

G C i• GMB Commitment

INTRODUCTION TO GAS MALAYSIAGAS MALAYSIA

About usIntroduction to Gas Malaysia

• Incorporated on May 16 1992

About usIncorporated on May 16, 1992

• Licensed to distribute natural gas• In 2000 was Licensed to distribute

LPG • Distribute NG and LPG through

pipeline within peninsular pipeline within peninsular Malaysia

ShareholdersIntroduction to Gas Malaysia

Shareholders

Regulatory FrameworkIntroduction to Gas Malaysia

Regulatory Framework

PRIME MINISTER DEPTECONOMIC PLANNING

UNIT

MINISTRY OF ENERGY, GREEN TECHNOLOGY &

WATER

LPG COMPONENTS & CHARACTERISTICSCHARACTERISTICS

LPG Components

OTHERS

p

PROPANE39 5%

OTHERS 0.5%

39.5%

BUTANE60%

LPG CharacteristicsLPG Characteristics

• Tasteless

• Colorless

O i i ll d l• Originally odorless

• Non-toxic• Non-toxic

LPG CharacteristicsLPG Characteristics

Air

LPG

Heavier than air (SG=1 92)Heavier than air (SG=1.92)

NG COMPONENTS & CHARACTERISTICS

NG ComponentsNG ComponentsOTHERS

ETHANE5 4%

OTHERS2.4%

5.4%

METHANE92.2%

NG CharacteristicsNG Characteristics

• Tasteless

• Colorless

O i i ll d l• Originally odorless

• Non-toxic• Non-toxic

NG CharacteristicsNG Characteristics

NGAir

NG

Lighter than air (SG = 0.61)

LPG and NG Characteristics

Description LPG NGp

ComponentsMainly

propane & Mainly

methanebutane

Specific gravity (air = 1.0) 1.92 0.61p g y ( )

Flammability Limit 2% - 10% 5% - 15%

Auto ignition temperature 510oC 630oC

SUPPLY CONCEPTSUPPLY CONCEPT

LPG Supply ConceptSupply Concept

LPG Supply ConceptMANIFOLD

SYSTEM5 psi

COMMERCIAL

SYSTEM

COMMERCIAL

2nd STAGE REGULATORPE pipe

70 i 100 i

METER1ST STAGE REGULATOR

p p70 psi – 100 psi 5 psi 0.5 psi

REGULATOR

RESIDENTIAL

BULK TANK

LPG Bulk TankLPG Bulk Tank

LPG Cylinder ManifoldLPG Cylinder Manifold

NG Transmission SystemSupply Concept

JDA

LAWITK

y

JERNIHKangar

Gurun

Phase 3BEKOK

RESAK

Tok Arun

Kertih Phase 1PGU Loop 1

DUYONGSOTONG

Kuala Lumpur Phase 2

PGU Loop 1

PGU Loop 2

NATUNA

Segamat

Putrajaya

KLIA

Port Dickson

PENINSULAR MALAYSIA GAS Port Dickson

Melaka

Johor BahruPasir Gudang

Singapore

MALAYSIA GAS SUPPLY NETWORK

NG Distribution SystemSupply Concept

NG Distribution System

OdorizerStation

DistrictStationCity Gate

1000 psig

RegulatingStation

4 3 iDistributionLine

PGU

Station Feeder Line

260 psig

Station

60 psig

City Gate 4.3 psig

InternalPiping

M

M

MPiping Multiple End-users/

Shopping ComplexesInternal Piping

M

DistributionLine

Area Station

= METERM0.43 psig

M60 psig

Residential

NG StationNG Station

CODES AND STANDARDSSTANDARDS

N Pi i S ti C d St d d d E i i P ti

Codes and Standards

No Piping Section Codes, Standards and Engineering Practice

1. All Sections Gas Supply Act 1993Gas Supply Regulations 1997

2. Main Pipelines and Stations

ASME B31.8: 2003 – Gas Transmission and Distribution Piping Systemsp g y

3. LPG Storage MS830: 2003 - Code Of Practice For The Storage, Handling And Transportation Of Li fi d P t l G Liquefied Petroleum Gases

4. Internal Piping MS930: 1986 - Code Of Practice For The Installation Of Fuel Gas Piping Systems And Appliances Guidelines on Domestic Gas Piping System (Energy Commission)

GMB COMMITMENT

GMB Commitment

GMB Obj tiGMB Objective

To ensure supply is

• Safe

St bl • Stable

• Continuous• Continuous

Key ResponsibilityGMB Commitment

Key Responsibility

• Daily OperationsPipeline Inspection and surveillancePipeline Inspection and surveillance

Facilities maintenance

Third party supervision

GMB Commitment

Key ResponsibilityKey Responsibility…continuation

• Troubleshoot & Repair

• Emergency Response

• Operations Control Center

GMB Services to CustomersGMB Responsibility

GMB Services to Customers

• Attend to emergency / complaint

• Assist in technical matters

• Ensure compliance with regulations

Call attended: GMB Responsibility

Supply Interruption

Item Category Number of calls

1. Due to system failure/misoperationat GMB's facilities

12

2 Due to third party 502. Due to third party 503. Due to customers 136

T t l 198Total 198Jan – Sep 2013

THANK YOU

Call attended: GMB Responsibility

Gas Leak

Item Category Number ofcalls

1 Due to system failure/misoperation at 1071. Due to system failure/misoperation at GMB's facilities

107

2. Due to third party 2

3. Due to customers 56

Total 165

Jan Jun 2013Jan – Jun 2013

Call attended: GMB Responsibility

Others

Item Category Number ofcalls

1. Gas release 181. Gas release 182. Fire 53. High Pressure 34 L P 334. Low Pressure 335. False alarm 1436. Others 7

Total 209

Jan Jun 2013Jan – Jun 2013