7/25/2019 Hazop Word

1/7

Hazop Human

Guide

Word

Cause Probability Sevirity Risk

Ranking

Keterangan Rekomendasi

No fuel gas

filter

Turbine

3x 2 nooperate

More fuel

gas filter

Ball valve

382R

failure

Less fuel

gas filter

Turbine

3x 2

failure

Over fuel

gas filter

Ball valve

382R

failure

No rain !"ut #o$n

plan

No flo$

in#i%ator

given flo$

in#i%ators an#

alarm failure

to #etermine

t"e #rain&s

flo$

Less rain Over loa# No flo$

in#i%ator

given flo$

in#i%ators an#

alarm failure

to #etermine

t"e #rain&sflo$

No flare

7/25/2019 Hazop Word

2/7

7/25/2019 Hazop Word

3/7

Hazop 'sset

Guide

Word

Cause Probability Sevirity Risk

Ranking

Keteranga

n

Rekomendas

i

No fuel gas

filter

Turbine

3x 2 nooperate

More fuel

gas filter

Ball valve

382R

failure

Less fuel

gas filter

Turbine

3x 2

failure

Over fuel

gas filter

Ball valve

382R

failure

7/25/2019 Hazop Word

4/7

Hazop 'ssets

7/25/2019 Hazop Word

5/7

Guide Word Cause Consequenc

e

Probability Severity Risk Ranking Keterangan Rekomendasi

No fuel gas

filter

( Turbine 3x 2

no operate

( )ompressor s"ut

#o$n

given flo$

in#i%ators an#

alarm failure

to #etermine

t"e #rain&s

flo$

*+2 2 *+2

No rain )logge# #rain !"ut #o$n

plan or over

flo$ in

*+2 , *+8 No flo$ in#i%ator given flo$ in#i%ators an# alarm

failure to #etermine t"e #rain&s

flo$

No flare Ball valve

failure

-as ex"aust

%an.t burn

*+2 2 *+, No flo$ in#i%ator given flo$ in#i%ators an# alarm

failure to #etermine t"e #rain&s

flo$

No fuel gas

"ea#er

Lea/age pipe No gas suppl0

to H) gas#eaerator

*+, , 1+

More fuel

gas filter

Ball valve 382R

failure

Less fuel gas

filter

Turbine 3x 2

failure

Over fuel

gas filter

Ball valve 382R

failure

More flo$ lo$

Transmitter

T**1 failure

-as

%ompressor

not stable

*+, 2 *+8 'ntisurge %ontroller

'!) is installe#

Less flo$ lo$

transmitter

T**1 failure

!tall an#

surge at

%ompressor

*+2 4 1 'ntisurge %ontroller

'!) is installe#

No flo$ lo$ )ompressor *+2 4 1 'ntisurge %ontroller

7/25/2019 Hazop Word

6/7

transmitter

T**1 failure

!"ut#o$n '!) is installe#

More

5ressure

( 5T **1'

failure( slugging

-as

%ompressor

not stable

*+, 3 1+2 'ntisurge %ontroller

'!) is installe#

Less

5ressure

( 5T **1'

failure

( lea/age

Over"eating

at %ompressor

*+2 3 *+ 'ntisurge %ontroller

'!) is installe#

More

5ressure

( 5T**1B failure

( !lugging

!tall an#

surge at

%ompressor6

reverse flo$

*+2 , *+8 'ntisurge %ontroller

'!) is installe#

Less

5ressure

( 5T**1B failure

( Lea/age

( )ompressor

failure

Lo$ pressure

at train 2

%ompression

*+2 2 *+, 'ntisurge %ontroller

'!) is installe#

Hig"

Temperature

( T7T9**2

failure

Over"eating

at %ompressor

*+2 2 *+, 'ntisurge %ontroller

'!) is installe#

Lo$

Temperature

( T7T9**2

failure

!teamgas

transform to

li:ui#(vapor+

)ompressor

!"ut#o$n

*+2 , *+8 'ntisurge %ontroller

'!) is installe#

Hazop Human

7/25/2019 Hazop Word

7/7

Guide Word Cause konsekuensi Probabi

lity

Sevirity Risk Ranking Keterangan Rekomendasi

No fuel gas

filter

( Turbine 3x 2

no operate

( )ompressor s"ut

#o$n

given flo$

in#i%ators an#

alarm failure to

#etermine t"e

#rain&s flo$

No rain )logge# #rain !"ut #o$n plan

or over flo$ in

No flo$ in#i%ator given flo$ in#i%ators an# alarm

failure to #etermine t"e #rain&s

flo$

No flare Ball valve

failure

-as ex"aust

%an.t burn

No flo$ in#i%ator given flo$ in#i%ators an# alarm

failure to #etermine t"e #rain&s

flo$

No fuel gas

"ea#er

Lea/age pipe No gas suppl0

to H) gas

#eaeratorMore fuel

gas filter

Ball valve 382R

failure

Less fuel gas

filter

Turbine 3x 2

failure

Over fuel

gas filter

Ball valve 382R

failure