NGI-SIMOPS

SIMOPS NGI TRAINING CENTRE SIM ultaneous OP eration S

Definition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Main Risk During SIMOPS ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],SIMOPS that will be start very soon on site is:

12” HP Fuel Gas - 86 bar 12” LP Fuel Gas – 5.5 bar Fuel Gas Route for Boiler Start-up Fuel gas supply from 56” pipe line Pressure reduction and heating in U122 Boiler “A”

12” HP Fuel Gas - 86 bar 12” LP Fuel Gas – 5.5 bar Fuel gas supply from 56” pipe line Pressure reduction and heating in U122 Boiler “A” Fuel Gas Connection to other units that should be blinded

HYDROCARBON RISK During SIMOPS, Hydrocarbon (Fuel Gas) will be introduce on site, Therefore it is necessary to be familiar with:

HYDROCARBON: Any of numerous organic compounds, that contain only carbon and hydrogen , such as Methane , Ethane, LPG (Propane and Butane) and Condensate . WHAT IS HYDROCARBON ?

DIFFERENT FORMS OF HYDROCARBONS GAS CONDENSATE CHEMICALS

GAS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GAS FLAMMABILITY Easily ignited and capable of burning rapidly.

GAS EXPLOSIVITY Can explode easily if complying with necessary concentration conditions

15 Too Rich IMPORTANT! 100 5 0 Upper Explosive Limit (UEL) Lower Explosive Limit (LEL) Not enough gas (to create an explosion) % Methane (CH 4 ) IN Air Too much gas (not enough oxygen to support combustion) Explosive Range (for Methane)

GAS PREVENTION MESURES FOR FLAMMABILITY AND EXPLOSIVITY RISKS: ,[object Object],[object Object],[object Object],[object Object],[object Object]

GAS DENSITY BUOYANCY: A gas can be heavier or lighter than air Heavier than Air : accumulation of gas in low areas as trenches, tanks… Lighter than Air : accumulation of gas in top of vessels… or natural dispersion if no roof.

GAS DENSITY: A gas can be heavier or lighter than air Possible accumulation of gas then: GAS TEST before entering in confined space !

PRESSURE: High pressure can create an explosion GAS includes also effect of accumulated energy: rupture of confinement missiles, gas expansion... 10 20 30 bars 0

GAS PREVENTION: CONTROL AND MONITORING OF PRESSURE 10 20 30 bars 0

PRESSURE: Change in gas pressure = cold with danger of freezing or Liquid formation GAS

GAS TOXICITY/ASPHIXIA: A gas can affect your health from simple weakness to… death !!! According to : Nature of gas Concentration Exposure time

GAS TOXICITY: Other very toxic gases are associated to HYDROCARBON, as H 2 S H 2 S H 2 S A special course is dedicated to H2S

GASES CHEMICALS SMOKE GO ACROSS THE WIND TO ESCAPE WIND ESCAPE GAS ESCAPE WIND

CONDENSATES, CHEMICALS… ,[object Object],[object Object],[object Object],[object Object]

CONDENSATES, CHEMICALS… ,[object Object],[object Object],[object Object],USE PPE

[object Object],[object Object],[object Object],USE ADAPTED PPE CONDENSATES, CHEMICALS…

[object Object],[object Object],[object Object]

[object Object],[object Object],Specific provisions for SIMOPS

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

SIMOPS Safety ,[object Object],[object Object],[object Object],[object Object]

SIMOPS Safety ,[object Object],[object Object],[object Object]

NGI-SIMOPS

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