INTRODUCTION TO GAS SUPPLY SYSTEM FOR RESIDENTIALS
AND COMMERCIALS
AND COMMERCIALS
Table of Contents Table 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 MALAYSIA
GAS MALAYSIA
About us
Introduction to Gas Malaysia
• Incorporated on May 16 1992
About us
Incorporated 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
Shareholders
Introduction to Gas Malaysia
Shareholders
Regulatory Framework
Introduction to Gas Malaysia
Regulatory Framework
PRIME MINISTER DEPT ECONOMIC PLANNING
UNIT MINISTRY OF ENERGY,
GREEN TECHNOLOGY &
WATER
LPG COMPONENTS &
CHARACTERISTICS
CHARACTERISTICS
LPG Components
OTHERS
p
PROPANE 39 5%
OTHERS 0.5%
39.5%
BUTANE
60%
LPG Characteristics LPG Characteristics
• Tasteless
• Colorless
O i i ll d l
• Originally odorless
• Non-toxic
• Non-toxic
LPG Characteristics LPG Characteristics
Air LPG
Heavier than air (SG=1 92)
Heavier than air (SG=1.92)
NG COMPONENTS &
CHARACTERISTICS
NG Components NG Components
OTHERS ETHANE
5 4%
OTHERS 2.4%
5.4%
METHANE
92.2%
NG Characteristics NG Characteristics
• Tasteless
• Colorless
O i i ll d l
• Originally odorless
• Non-toxic
• Non-toxic
NG Characteristics NG Characteristics
Air NGNG
Lighter than air (SG = 0.61)
LPG and NG Characteristics
Description p LPG NG
Components Mainly
propane & Mainly methane butane
Specific gravity (air = 1.0) p g y ( ) 1.92 0.61 Flammability Limit 2% - 10% 5% - 15%
Auto ignition temperature 510
oC 630
oC
SUPPLY CONCEPT
SUPPLY CONCEPT
LPG Supply Concept
Supply Concept
LPG Supply Concept
MANIFOLD SYSTEM
5 psi
COMMERCIAL SYSTEM
COMMERCIAL
2ndSTAGE REGULATOR PE pipe
70 i 100 i
METER 1STSTAGE
REGULATOR
70 psi – 100 psi 5 psi p p 0.5 psi
REGULATOR
RESIDENTIAL
BULK TANK
LPG Bulk Tank
LPG Bulk Tank
LPG Cylinder Manifold
LPG Cylinder Manifold
NG Transmission System
Supply Concept
JDA
LAWIT
K
y
JERNIH
Kangar
Gurun Phase 3
BEKOK RESAK
Tok Arun
Kertih Phase 1 PGU Loop 1
DUYONG SOTONG
Kuala Lumpur Phase 2
PGU Loop 1
PGU Loop 2
NATUNA
Segamat Putrajaya
KLIA
Port Dickson
PENINSULAR
MALAYSIA GAS
Port Dickson MelakaJohor Bahru
Pasir Gudang
Singapore
MALAYSIA GAS
SUPPLY NETWORK
NG Distribution System
Supply Concept
NG Distribution System
Odorizer Station
District Station City Gate
1000 psig
Regulating Station
4 3 i Distribution
Line
PGU
Station Feeder Line 260 psig
Station
60 psig
City Gate 4.3 psig
Internal Piping
M M
M Piping
Multiple End-users/
Shopping Complexes Internal
Piping M Distribution
Line
Area Station
= METER
M 0.43 psig
M 60 psig
Residential
NG Station
NG Station
CODES AND
STANDARDS
STANDARDS
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 1993
Gas 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 ti
GMB Objective
To ensure supply is
• Safe St bl
• Stable
• Continuous
• Continuous
Key Responsibility
GMB Commitment
Key Responsibility
• Daily Operations
¾ Pipeline Inspection and surveillance
¾ Pipeline Inspection and surveillance
¾ Facilities maintenance
¾ Third party supervision
GMB Commitment
Key Responsibility
Key Responsibility… continuation
• Troubleshoot & Repair
• Emergency Response
• Operations Control Center
GMB Services to Customers
GMB 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/misoperation
at GMB's facilities 12
2 Due to third party 50
2. Due to third party 50
3. Due to customers 136
T t l 198
Total 198
Jan – Sep 2013
THANK YOU
Call attended:
GMB Responsibility
Gas Leak
Item Category Number of
calls 1 Due to system failure/misoperation at 107 1. 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 2013 Jan – Jun 2013
Call attended:
GMB Responsibility
Others
Item Category Number of
calls
1. Gas release 18
1. Gas release 18
2. Fire 5
3. High Pressure 3
4 L P 33
4. Low Pressure 33
5. False alarm 143
6. Others 7
Total 209
Jan Jun 2013 Jan – Jun 2013