KESELAMATAN GAS DI PEPASANGAN DOBI DAN SEKTOR …
Transcript of KESELAMATAN GAS DI PEPASANGAN DOBI DAN SEKTOR …
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KESELAMATAN GAS DI PEPASANGAN DOBI DAN SEKTOR
KOMERSIAL
NUR WAHEEDA WAHABUNIT PEPASANGAN & PERALATAN GASJABATAN KAWAL SELIA KESELAMATAN
28 OGOS 2019 l RABU
HOTEL GRAND RIVERVIEW, KOTA BHARU, KELANTAN
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Table of Content
Why Safety Is Important?
Legislative Requirement
Who are involved?
Safety Requirement
Unsafe Installation
Gas Accidents
Conclusion
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01
To ensure legislative
requirements are being
fulfilled.
02
03
WHY SAFETY IS IMPORTANT?
To minimize or avoid the risk of accidents i.e. leakage, explosion or other hazards which could result injuries or death to humans and damages to properties.
To ensure the pipingsystem are designedaccording to the relevantstandards.
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Legislative Requirement
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Gas Supply Act 1993
Gas Supply Regulations 1997
MeansNatural Gas (NG),Liquefied Natural Gas (LNG)or Liquefied Petroleum Gas (LPG).
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MS 830 : 2013
(LPG Storage)
MS 930 : 2017
(Gas Piping)
Code & Standards
• MS830 – Storage , Handling & Transportation Of LPG
• MS930 – Installation Of Fuel Gas Piping Systems And Appliances
DESIGN STANDARDS
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Flange
NATURAL GAS DISTRIBUTION SYSTEM
Not regulated by the Energy Commission
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MS 830 : 2013
(LPG Storage)
MS 930 : 2017
(Gas Piping)
LPG DISTRIBUTION SYSTEM
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GAS PIPING INSTALLATION
Approval To Install
(ATI)
Approval To Operate
(ATO)Gas License
Regulation 15, Gas Supply Regulations 1997
Application before commencing work on a new installation or gas extension
Regulation 16, Gas Supply Regulations 1997
Application upon completion of a new gas installation work
Section 11, Gas Supply Act 1993
License must be granted before getting gas supply through piping system
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APPROVAL TO INSTALL (ATI)
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APPROVAL TO OPERATE(ATO)
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GAS LICENSE (PGL)
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WHO ARE INVOLVED?
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GAS CONTRACTOR
Gas Supply Regulations 1997
Regulation 103: Gas Contractor(1) No person shall perform or carry out any work in respect of installing, constructing, testing, commissioning,calibrating, maintaining, repairing or operating a gas pipeline or gas installation or part of it unless he holds a validCertificate of Registration as a Gas Contractor issued under these Regulations.
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COMPETENT PERSON
Gas Supply Act 1993
Unless otherwise exempted, no work in respect of installing, constructing, maintaining, repairing or operating any gaspipeline or installation or part thereof shall be carried out except by or under the supervision of an certified competentperson.
Section 35: Competent Person
Gas Supply Regulations 1997
Regulation 21: Supervision of work on gas installation by competent person.Every work on a gas installation shall be supervised by a competent person employed by the GasContractor who is carrying out the installation work.
Regulation 82: Competent person shall possess a valid Certificate of Competency.
A competent person referred to in these Regulations shall hold a valid Certificate of Competencyaccording to the appropriate category, with or without restriction, issued by the Energy Commissionunder these Regulations.
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GAS RESPONSIBLE PERSON
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SAFETY REQUIREMENT
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Oxygen source:Normal air contains 21% O2. Fuel may also contains oxygen
Heat source:Sun Hot Surfaces, Sparks, Friction, Electrical Energy, others
Fuel source:Can be solid, liquid or gas
FIRE TRIANGLE
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STORAGE AREA
Adequate Ventilation
Facing to the outside of the building
Safety signage
Emergency Shut Off Valve (ESV)
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Operating Pressure maximum 5 psig
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Gas Detector link
with Solenoid Valve
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Natural Gas
1. Specific Density = 0.65 < 1.0 (air)
2. Lighter than air
3. Flammability Limits = 4% - 15%
LPG
1. Specific Density = 1.65 > 1.0 (air)
2. Heavier than air
3. Flammability Limits = 2% - 9.5%
GD
GD
How to Install Gas Detector?
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Gas Valve not more
than 2 metre heightsfrom finish floor level
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Sealed Off / Plug Off unused points
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UNSAFE INSTALLATION
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STORAGE AREA
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STORAGE AREA
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Unauthorized connections
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INTERNAL PIPING
LEAKED PIPING
CORRODED PIPING
Signs of unsafe piping installation
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Gas Meter less than 0.9 m to Source of Ignition
INTERNAL PIPING
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Gas Outlet / Threaded Connection
less than 0.3 m to Source of Ignition
INTERNAL PIPING
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Corroded gas piping
INTERNAL PIPING
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Tee hose to gas appliances
INTERNAL PIPING
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Gas hose is too long Maximum allowed only 1.5 m length
INTERNAL PIPING
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Not approved type hose connect to gas appliances
INTERNAL PIPING
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Unused outlet leave unplugged
INTERNAL PIPING
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Over PressureMaximum pressure allowed
inside building only 5 psig
INTERNAL PIPING
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How to detect gas leak?
Soapy test Gas detector Hissing sound Pungent smell
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Common Gas Leakage Points
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GAS ACCIDENTS
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Gas Accidents
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Gas Accidents
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Gas Accidents
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Gas Accidents
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Gas Accidents
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CONCLUSION
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1. Gas piping must be installed by a qualified Gas Contractor &Gas Competent.
2. Gas piping system must have approval from ST (ATI & ATO)and valid Gas License.
3. Acts & regulations and relevant standards must be compliedto prevent any mishap from happening.
4. Gas License must be renewed every year and maintenancemust be conducted by Registered Gas Contractors must bedone for every 2 years.
5. Incase of gas accidents it must be reported to ST.
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ATTENTION
THANK YOU F O R YO U R