final hazop nocl dhds sei

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Samsung Engineering

SO2331 0

0 06.12.10

PM

HAZOP STUDY REPORT

Client Nagarjuna Oil Cr!ratin "t#$ PROCESS S%&%'1&0'RT'00'0&

Plant DHU Unit (Unit '1&00) Dept. Project Document Number Rev.

O*NER + NA,AR-UNA O." CORPORAT.ON "TD$P/C + C. "U//US".CENSOR + AENS .4P ,ROUP TECHNO"O,Y4EED CONTRACTOR + TECHN.P 5T

Approved For Design

REV. DAE DE!"R#P#$N

PREPARED %& "'E"(ED %& APPR$VED %&



TECHN.P 5T .ND.A "TD$ HAZOP

Client Nagarjuna Oil Cr!ratin "t#$ PROCESS S%&%

Plant DHU Unit (Unit '1&00) Dept. Project

Cntents1. #ntroduction )))))))))))))))))))))))))))))))))))))1.1. #ntroduction))))))))))))))))))))))))))))))))))))1.2. $bjective..)))))))))))))))))))))))))))))))))))))2. Met+odo,og-)))))))))))))))))))))))))))))))))))))2.1. +e 'A/$P



0

TUDY REPORT

S%&%'1&0'RT'00'0&

Document Number Rev.

)...*) *

)...*.).






E6e7uti8e Summar9M! Ngrjun oi, "orportion td 3N$"4 intends to inst,, s Diese, '-drodesu,p+uri5"udd,ore Re8iner- Project. +e unit 9i,, be ,octed in "udd,ore7 mi, Ndu7 #ndi. +e



1

TUDY REPORT

S%&%'1&0'RT'00'0&


tion nit7 3D'7 nit 1*004 in itsunit 9i,, be treting






1$ .ntr#u7tin1$1 .ntr#u7tinM! Ngrjun oi, "orportion td 3N$"4 intends to inst,, s Diese, '-drodesu,p+uri5"udd,ore Re8iner- Project. +e unit 9i,, be ,octed in "udd,ore7 mi,: Ndu7 #ndi. +



1

TUDY REPORT

S%&%'1&0'RT'00'0&


tion nit7 3D'7 nit 1*004 in itsunit 9i,,






2$ HAZOP /ETHODO"O,Y

2$1 THE HAZOP PROCESS'A/$P is ;u,ittive met+od t+t revie9s p,nt design to identi8- design 8u,ts nd omioperting prob,ems. +is tec+ni;ue pp,ies guide 9ords to process prmeters to crete



1

TUDY REPORT

S%&%'1&0'RT'00'0&


ssions7 potenti, +5rds nd






2$2 HAZOP ASSU/PT.ONS

#n $rder to m<e 'A/$P stud- more e88ective7 comp,ete nd e88icient 8o,,o9ing px =+erever possib,e7 cuses 9i,, be identi8ied in t+e Node under considertion.x "onse;uences



1

TUDY REPORT

S%&%'1&0'RT'00'0&


stu,tes 9ere 8o,,o9ed.






2$2$1 N#e Sele7tin Approprite section o8 t+e p,nt 3c,,ed Node4 9i,, be se,ected to enb,e t+e 'A/$P tedesign nd opertion issues.+e Node>s design intent 9i,, be de8ined.=+en t+ere re s-mmetric, s-ste



1

TUDY REPORT

S%&%'1&0'RT'00'0&


to 8ocus nd c,er,- identi8- ,, t+e






2$3 ,U.DE*ORD APP".CA.".TY

a) Causesx A,, t+e potenti, cuses o8 t+e devition 9i,, be identi8ied 3b- brinstorming4.x +e credibi,it- o8 ec+ cuse 9i,, be greed upon.x $n,- credib,e cuses 9i,, be considered. #ncredib,e or +ig+,- un,i<e



1

TUDY REPORT

S%&%'1&0'RT'00'0&




,U.DE *ORDPARA/ETER

NO /ORE "ESS AS *E""AS

PART O4 RE:ERSE

F$= ? - - - - - -

PRE!!RE ? n - - n n n

EMPERARE ? n - - n n n

EVE - - - n n n

P'A!E - - - n n n

"$MP$!##$N 3!PE"#F#""$MP$NEN4

- - - n n n

$PERA#$N ?? - - - - - -



OTHERTHAN

-

-

n

n

-

-

-



? Norm, Prmeters?? !trt:up s+utdo9n7 iso,tion p+i,osop+-7 di88erent operting modes7 mintennce ccess7b,o9 do9n7 etc.

Not sed

Norm,,-sed



n

9






Most +5rds 9i,, be protected ginst b- combintion o8 +rd9re7 instrumenttion nProtection m- be provided b- combintion o8 t+e 8o,,o9ing@x +e intrinsic mec+nic, strengt+ o8 t+e p,ntx Process contro, respo



1

TUDY REPORT

S%&%'1&0'RT'00'0&


d or operting prctices.






2$& HAZOP SO4T*ARE

!peci,i5ed so8t9re is used to record t+e proceedings o8 t+e 'A/$P stud- in t+e 8orm oP'A:Pro:V### 8rom D-dem interntion,.



1

TUDY REPORT

S%&%'1&0'RT'00'0&


8 9or< s+eets. +e so8t9re used is






3$ AS.S O4 HAZOP STUDY3$1 N#es 7nsi#ere# ;r Diesel H9#r#esul!<uri=ing unit HAZOP stu#9+Re8er to Anneure:### 8or Node deti,s B !cnned copies o8 PB#Ds used during 'A/$P stud-.



1

TUDY REPORT

S%&%'1&0'RT'00'0&




1

2

C

*

6

10

11

12

1C

1*

1

16

11

1

20

21

22

2C

24 "ondenste "o,,ection s-stem

N#e N N#e Des7ri!tin

Feed 8rom % to Feed !urge Drum

Feed !ur e Drum to Rector Feed 'eter

Rector Feed 'eter

Rector Feed 'eter $ut,et to Rector7 E88,uent Air "oo,er7 rim "oo,er p to seprtor in,et

=s+ =ter !-stem!eprtor bottom to !our 9ter F,s+ Drum nd %

!e rtor Drum to !tri er #n,et

!e rtor $ver+ed to Rec c,e s com ressor #n,et

Rec c,e Gs com ressor to Miin Point

en Amine 8rom % to P nd 'P Amine Absorber co,umn

Ric+ Amine 8rom 'P Amine Absorber 7P Amine Absorber bottom to %.

P Amine Absorber s stem P Amine co,umn ($D $88 Gs ($D to %

!tri er bottom to Gs oi, Air coo,er "o,escer nd !,t Dr er to %

!tri er $ver+ed s stem

M<eup '2 "ompressor s-stem

"+emic, #njection !-stem

Fue, oi,7 Fue, gs nd 'eter Firing !-stem'PMP !tem B MP %F=

"oo,in 9ter s stem

Portb,e!ervice =ter P !tem P,nt #nstrument Air nd Nitro en

F,re s-stem

Amine drin s-stem

' drocrbon drin s stem






3$2 D7uments re;erre# ;r HAZOP stu#9Fo,,o9ing is t+e ,ist o8 documents re8erred during t+is stud-@



1

TUDY REPORT

S%&%'1&0'RT'00'0&




1 Process Dt %oo<

2 Process 8,o9 digrm "A:1*0:PR:11:0001 to 00067 Rev 0

CMteri, !e,ection Digrm

"(:1*0:PR:1:0001 to 000C7 Rev0

* P,ot P,n "(:1*0:P#:16:00017Rev1

"(:1*0:PR:1:0001 to 002:Rev1

E;uipment ist "(:1*0:PR:0:0001:Rev1

10 F,re ,od summr- "(:1*0:PR:0:000:Rev1

11 Are ",ssi8iction ,-out "(:1*0:E:12:0001:Rev 0

12Process dt s+eet o8 e;uipments

1C "use nd e88ect Digrm "(:1*0:PR:2*:00017Rev1

"(:1*0:PR:*:00017Rev 1

!.No. it,e Document No.

"*0:1*00:P%:REV0

Piping B instrumenttion digrm3Process4

Piping B instrumenttion digrm3ti,ities4

"(:1*0:PR:1:00C0 to 00*07Rev1"(:1*0:PR:1:00*C to 00** 7Rev1

:

1*!8egurding Memorndum






3$3 HAZOP TEA/

+e 'A/$P 9s crried out 8rom 1Ct+ Hu,- to 1t+ Hu,- 200.A tem o8 eperienced engin$pertions"ommissioning nd Engineering 9ere 8ormed t+e ,ist o8 prticipnts is s be,'A/$P "+irmn@ Mr. Mdn (umr !in+7 ec+n



1

TUDY REPORT

S%&%'1&0'RT'00'0&


eers 8rom Process79@



Te7<ni 5T .n#ia "t#$ "C/

Full TimeMr.

Full TimeMr.

Part TimeMr.



NOC"

Full TimeMr.






&$ RECO//ENDAT.ONS

+e tot, number o8 recommendtions dds to 6.+e 'A/$P recommendtion cn beengineering7 monitoring nd trc<ing ction comp,etion.S;t' T<e s;t>are re7mmen#atin mainl9 in7lu#es alarms n 8ari



1

TUDY REPORT

S%&%'1&0'RT'00'0&


,ssi8ied into t+ree ctegories 8or



1

2

C

*

6

10

11

12

1C

1*




+e recommendtions o8 'A/$P stud- is ,isted be,o9 3For ctegor- 9ise ,ist re8er to An

S$N Re7mmen#atins P.D n Res nsi?ilit

Provide 'ig+ temperture ,rm on#:10

"(:1*0:PR:1:0001

DE"

$perting procedure s+ou,d ensureperiodic, c+ec<ing o8 G:06

"(:1*0:PR:1:0002

DE"N$"

Provide D"! indiction 8rom

F/:**

"(:1*0:PR:

1:0002

DE"

Pump to be se,ected suitb,- toprovide s8et- mrgin 8or NP!'re;uirements during deti,engineering

"(:1*0:PR:1:0002

DE"

Provide ,o9 temp. ,rm t3#:1204 +eter in,et

"(:1*0:PR:1:000*

DE"

Provide ,o9 ,rm t #:122B#:22C.

"(:1*0:PR:1:000*

DE"

$perting procedure s+ou,d ensures8e s+utdo9n o8 t+e p,nt

DE"N$"

'-drocrbon s<immer 8or bot+ 'PB P mine bsorber 3":001 nd":00C4 to be routed to "%D instedo8 mine drin

"(:1*0:PR:1:00107 "(:1*0:PR:1:0016

DE"

"oo,ing 9ter smp,e n,-sis tobe considered during deti,engineering o8 $!% s-stem

PM"N$"

Provide o9 ,rm 8or F":*20.

"(:1*0:PR:1:000

DE"

$perting procedure s+ou,d ensureperiodic, c+ec<ing o8 P#:01.

"(:1*0:PR:1:000

DE"N$"

$perting procedure s+ou,d ensureperiodic, c+ec<ing o8 F#:***60*61

"(:1*0:PR:1:0006

DE"N$"

Provide ,o9 ,rm t F#:*1. "(:1*0:PR:1:0006

DE"


"(:1*0:PR:1:0006

DE"N$"



1

16

$perting procedure s+ou,d ensureperiodic, c+ec<ing o8 G:*C

"(:1*0:PR:1:0021

DE"N$"

Provide ,o9 ,rm t F":*16 "(:1*0:PR:1:000

DE"



1

TUDY REPORT

S%&%'1&0'RT'00'0&


neure #4@

Status

o be incorported b- DE"
















1

1

1

20

21

22

2C

2*

2

26

2

2

2

C0

C1




Provide ,o9 ,rm t #:10 "(:1*0:PR:1:001

DE"

Provide 'ig+ ,rm on #:10.

"(:1*0:PR:1:001

DE"

$perting procedure to inc,udeopertion o8 '!:22 to se,ect F"V:*2C to purge '2! to 8,re +eder

"(:1*0:PR:1:0012

DE"N$"

Provide open 8eed bc< ,rm 8rom/% 02 A

"(:1*0:PR:1:000

DE"

$perting procedure to monitor G:22 8or '" crr- over. =+en '",eve, bui,ds up it s+ou,d be drinedto "%D b- using !<im ,ine.

"(:1*0:PR:1:0010

DE"N$"

/:20 s+ou,d ctivte /:10 to trip pump 3P:00CA%4

"(:1*0:PR:1:000

DE"

$perting procedure s+ou,d ensurerouting o8 o88 gs to 8,re +eder9+en t+ere is disturbnce in ,enmine supp,- to ":00C

DE"N$"

Provide 'ig+ ,rm on #:10 t ,en mine %.

"(:1*0:PR:1:000

DE"

Provide ddition, # 9it+'' ,rm t ":001 bottom.

"(:1*0:PR:1:0010

DE"

Provide ,rm t A:60 "(:1*0:PR:1:0016

DE"

$perting procedure to ensure toc+ec< G CCBG:22 nd drin out t+e'" t+roug+ !<im ,ine.

"(:1*0:PR:1:00107 "(:1*0:PR:1:0016

DE"N$"

G:22BG:CC to be trnsprentto see t+e inter8ce during upsetconditions.

"(:1*0:PR:1:00107 "(:1*0:PR:1:0016

DE"

+e v,ve in '" !<imming ,ine 8or":001 to be c+nged to !pring,oded t-pe.

"(:1*0:PR:1:0010

DE"


"(:1*0:PR:1:0016

DE"N$"

Periodic, c+ec<ing o8 inter8ce inG:CC.

"(:1*0:PR:1:0016

DE"N$"



C2

CC

Pressure trnsmitter 9it+ ,o9 ,rmto be provided t top o8 ":00C.

"(:1*0:PR:1:0016

DE"

Provide NRV on ,ine DA:01",ose to miing point 9it+DA:012

"(:1*0:PR:1:0016

DE"



1

TUDY REPORT

S%&%'1&0'RT'00'0&



















C*

C

C6

C

C

C

*0

*1

*2

*C

**

*

*6




Provide NRV on ,ine P:06 c,ose tot+e meeting point 9it+ ,ine DA:012.

"(:1*0:PR:1:0016

DE"

Provide +ig+ ,rm t #:1.

"(:1*0:PR:1:0016

DE"

#nc,ude strt permissive s prt o8s8e gurding s-stem 8or Pump P:00A%.

"(:1*0:PR:1:0001"(:1*0:PR:1:001

DE"

Provide +ig+ ,rm 8or F":**2.

"(:1*0:PR:1:0022

DE"

Provide Pressure trnsmitter 9it+,o9 ,rm ds V:017 be8ore F"V:**2 on ,ine P:10C.

"(:1*0:PR:1:0022

DE"

$perting procedure s+ou,d ensuredrining o8 s,t dr-er t regu,rinterv,s b- c+ec<ing G:*.

"(:1*0:PR:1:0022

DE"N$"

Provide ,o9 ,rm t #:12. "(:1*0:PR:1:001

DE"

$perting procedure s+ou,d ensuredrining o8 +-drocrbon 8rom ":00C

t+roug+ s<im ,ine during 8i,ure o8EA:002

DE"N$"

Provide po9er supp,- to EA:002 8n motors 8rom di88erentsources.

DE"N$"

P#D s+ou,d contin note t+tsign,s 8rom non runningcompressor instruments s+,, notbe used 8or contro, nd trip o8 t+erunning compressor.

"(:1*0:PR:1:001*B1

DE"PM"

NRV to be provided t t+e junction

o8 ':162 nd P:0 on ,ine ':162.

"(:1*0:PR:

1:0021

DE"

Provide 'ig+ ,rm t #:16.

"(:1*0:PR:1:001C

DE"

$perting procedure s+ou,d ensureperiodic, c+ec<ing o8 "+emic,injectionpumps.

DE"N$"



*

*

Provide stop ,rm in D"! 8orc+emic, injection pumps.

DE"

NRV to be provided on ,ine"":020ner %..

"(:1*0:PR:1:002C

DE"



1

TUDY REPORT

S%&%'1&0'RT'00'0&

















*

0

1

2

C

*

6

60

61

62

6C

6*




$perting procedure s+ou,d ensureproper c+ec<ing o8 ,eve,s inc+emic, injection tn<s.

DE"N$"

Provide ddition, pressuretrnsmitter 9it+ ,o9 ,rm in D"!.

"(:1*0:PR:1:0026

DE"

Provide ,o9 ,rm t P#:*%..

"(:1*0:PR:1:00C

DE"

"$7 N$ An,-5er to be provided tt+e stc<.

"(:1*0:PR:1:000*

DE"

Provide NRV on stem ,ine to ec+burner 8ter s+ut do9n v,ve.

"(:1*0:PR:1:002*

DE"

Provide +ig+ ,rm t P#:6C.

"(:1*0:PR:1:002*

DE"

Provided ,o9 ,rm t #:C2.

"(:1*0:PR:1:002*

DE"

$perting procedure s+ou,d ensuredrining o8 +-drocrbon 8rom V:02periodic,,-.

DE"N$"

!tndrd operting procedure to bemde 8or deco<ingdr- outopertion.

DE"N$"

"onsider s+utdo9n D!:001 9+en(:002 trips

DE"N$"

Provide stem trp to t<e cre t+issitution during deti, engineering.

DE"

Provide ,o9 ,rm t ":2C.

"(:1*0:PR:1:00C0

DE"

Provide ,o9 ,rm on P#:1 DE"

'-dru,ic c+ec< s+ou,d be crriedout during deti, engineering bsed

on ctu, p,n ,-out

DE"

Provide one ddition, # onV:022

"(:1*0:PR:1:00**

DE"

!eprte nitrogen connection to t+edrum s 9e,, s seprte vent to8,re ,ine 9it+ ,oc< open v,ve ndNRV to be provided.

DE"



6

66

Provide one ddition, # onV:021

"(:1*0:PR:1:00*0

DE"

$perting procedure s+ou,dprevent drining o8 +ot

DE"N$"



1

TUDY REPORT

S%&%'1&0'RT'00'0&




















6




+-drocrbon in '-drocrbon drindrum.

!eprte nitrogen connection to t+eV:021 s 9e,, s seprte vent to8,re ,ine 9it+ ,oc< open v,ve ndNRV to be provided.

DE"



1

TUDY REPORT

S%&%'1&0'RT'00'0&





1

2

C

*

6

10

11

12

1C

1*

1

16

1

1

1

2

C

*

6

!. No. Recommendtion Responsibi,it-

(A) Har#

.'-drocrbon s<immer 8or bot+ 'P B P mine bsorber 3":001 nd ":00C4 to be routed to "%D insted DE"

2.Provide ddition, # 9it+ '' ,rm t ":001 bottom. DE"

2.G:22BG:CC to be trnsprent to see t+e inter8ce during upset conditions. DE"

2.+e v ,ve in '" !<imming ,ine 8or ":001 to be c+nged to !pring ,oded t-pe. DE"

CC.Provide NRV on ,ine DA:01 ",ose to miing point 9it+ DA:012. DE"

C*.Provide NRV on ,ine P:06 c,ose to t+e meeting point 9it+ ,ine DA:012. DE"

C.Provide +ig+ ,rm t #:1. DE"

*2.Provide po9er supp,- to EA:002 8n motors 8rom di88erent sources. DE"N$"

**.NRV to be provided t t+e junction o8 ':162 nd P:0 on ,ine ':162. DE"

*.NRV to be provided on ,ine"":020 ner %.. DE"

0.Provide ddition, pressure trnsmitter 9it+ ,o9 ,rm in D"!. DE"

2."$7N$ An,-5er to be provided t t+e stc<. DE"

C.Provide NRV on stem ,ine to ec+ burner 8ter s+ut do9n v,ve. DE"

.Provide stem trp in MP !tem ,ine to t<e cre t+is sitution during deti, engineering. DE"

6C.Provide one ddition, # on V:022. DE"

6*.!eprte nitrogen connection to t+e drum s 9e,, s seprte vent to 8,re ,ine 9it+ ,oc< open v,ve nd DE"

6.Provide one ddition, # on V:021. DE"

6.!eprte nitrogen connection to t+e V:021 s 9e,, s seprte vent to 8,re ,ine 9it+

DE"

() S;t

1.Provide 'ig+ temperture ,rm on #:10. DE"

C.Provide D"! indiction 8rom F/:**. DE"

*.Pump to be se,ected suitb,- to provide s8et- mrgin 8or NP!' re;uirements during deti, engineering. DE"

.Provide ,o9 temp. ,rm t 3#:1204 +eter in,et. DE"

6.Provide ,o9 ,rm t #:122 B#:22C. DE"

10.Provide o9 ,rm 8or F":*20. DE"

1C.Provide ,o9 ,rm t F#:*1. DE"



PB#D No.

"(:1*0:PR:1:0010 B 16

"(:1*0:PR:1:0010

"(:1*0:PR:1:0010 B 16

"(:1*0:PR:1:0010

"(:1*0:PR:1:0016

"(:1*0:PR:1:0016

"(:1*0:PR:1:0016

"(:1*0:PR:1:0021

"(:1*0:PR:1:002C

"(:1*0:PR:1:0026

"(:1*0:PR:1:000*

"(:1*0:PR:1:002*

"(:1*0:PR:1:00C0

"(:1*0:PR:1:00**

"(:1*0:PR:1:00**

"(:1*0:PR:1:00*0

"(:1*0:PR:1:00*0

"(:1*0:PR:1:0001

"(:1*0:PR:1:0002

"(:1*0:PR:1:0002

"(:1*0:PR:1:000*

"(:1*0:PR:1:000*

"(:1*0:PR:1:000

"(:1*0:PR:1:0006



10

11

12

1C

1*

1

16

1

1

1

20

21

22

2C

2*

2

26

2


16.Provide ,o9 ,rm t F":*16. DE"

1.Provide ,o9 ,rm t #:10. DE"

1.Provide +ig+ ,rm t #:10. DE"

20.Provide open 8eed bc< ,rm 8rom /% 02 A. DE"

2*.Provide 'ig+ ,rm on #:10 t ,en mine %. DE"

26.Provide ,rm t A:60. DE"

C2.Pressure trnsmitter 9it+ ,o9 ,rm to be provided t top o8 ":00C. DE"

C6.#nc,ude strt permissive s prt o8 s8e gurding s-stem 8or Pump P:00A%. DE"

C.Provide +ig+ ,rm 8or F":**2. DE"

C.Provide Pressure trnsmitter 9it+ ,o9 ,rm ds V:017 be8ore F"V:**2 on ,ine P:10C.

DE"

*0.Provide ,o9 ,rm t #:12. DE"

*C.P#D s+ou,d contin note t+t sign,s 8rom non running compressor instruments s+,, not be used 8orcontro, nd trip o8 t+e running compressor.

DE"PM"

*.Provide 'ig+ ,rm t #:16. DE"

*.Provide stop ,rm in D"! 8or c+emic, injection pumps. DE"

1.Provide ,o9 ,rm t P#:* %.. DE"

*.Provide +ig+ ,rm t P#:6C. DE"

.Provided ,o9 ,rm t #:C2. DE"

60.Provide ,o9 ,rm t ":2C. DE"

61.Provide ,o9 ,rm on P#:1 DE"

62.'-dru,ic c+ec< s+ou,d be crried out during deti, engineering bsed on ctu, p,n,-out.

DE"



PB#D No.

"(:1*0:PR:1:000

"(:1*0:PR:1:001

"(:1*0:PR:1:001

"(:1*0:PR:1:000

"(:1*0:PR:1:000

"(:1*0:PR:1:0016

"(:1*0:PR:1:0016

"(:1*0:PR:1:001

"(:1*0:PR:1:0022

"(:1*0:PR:1:0022

"(:1*0:PR:1:001

"(:1*0:PR:1:001*B1

"(:1*0:PR:1:001C

"(:1*0:PR:1:00C

"(:1*0:PR:1:002*

"(:1*0:PR:1:002*

"(:1*0:PR:1:00C0

"(:1*0:PR:1:00CC



1

2

C

*

6

10

11

12

1C

1*

1

16

1

1

1

20

21

22


(C ) O!erating .nstru7tins

2.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 G:06. DE"N$"

.$perting procedure s+ou,d ensure s8e s+utdo9n o8 t+e p,nt. DE"N$"

."oo,ing 9ter smp,e n,-sis to be considered during deti, engineering o8 $!%s-stem.

PM"N$"

11.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 P#:01. DE"N$"

12.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 F#:***60*61. DE"N$"

1*.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 G:1 DE"N$"

1.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 G:*C DE"N$"

1.$perting procedure to inc,ude opertion o8 '!:22 to se,ect F"V:*2C to purge '2!to 8,re +eder.

DE"N$"

21.$perting procedure to monitor G:22 8or '" crr- over. =+en '" ,eve, bui,ds up it s+ou,d be drinedto "%D b- using !<im ,ine.

DE"N$"

22./:20 s+ou,d ctivte /:10 to trip pump 3P:00CA%4. DE"

2C.$perting procedure s+ou,d ensure routing o8 o88 gs to 8,re +eder 9+en t+ere isdisturbnce in ,en mine supp,- to ":00C.

DE"N$"

2.$perting procedure to ensure to c+ec< G CC BG:22 nd drin out t+e '"t+roug+ !<im ,ine.

DE"N$"

C0.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 G:2. DE"N$"

C1.Periodic, c+ec<ing o8 inter8ce in G:CC. DE"N$"

C.$perting procedure s+ou,d ensure drining o8 s,t dr-er t regu,r interv,s b-c+ec<ing G:*.

DE"N$"

*1.$perting procedure s+ou,d ensure drining o8 +-drocrbon 8rom ":00C t+roug+ s<im ,ine during 8i,ureo8 EA:002

DE"N$"

*6.$perting procedure s+ou,d ensure periodic, c+ec<ing o8 "+emic, injection pumps. DE"N$"

*.$perting procedure s+ou,d ensure proper c+ec<ing o8 ,eve,s in c+emic, injectiontn<s.

DE"N$"

6.$perting procedure s+ou,d ensure drining o8 +-drocrbon 8rom V:02 periodic,,-. DE"N$"

.!tndrd operting procedure to be mde 8or deco<ingdr- out opertion. DE"N$"

."onsider s+utdo9n D!:001 9+en (:002 trips. DE"N$"

66.$perting procedure s+ou,d prevent drining o8 +ot +-drocrbon in '-drocrbondrin drum.

DE"N$"



PB#D No.

"(:1*0:PR:1:0002

"(:1*0:PR:1:000

"(:1*0:PR:1:0006

"(:1*0:PR:1:0006

"(:1*0:PR:1:0021

"(:1*0:PR:1:0012

"(:1*0:PR:1:0010

"(:1*0:PR:1:000

"(:1*0:PR:1:0010 B 16

"(:1*0:PR:1:0016

"(:1*0:PR:1:0016

"(:1*0:PR:1:0022



HAZOP WORKSHEET

Samsung Engineering .n#ia P8t "t# Client + Nagarjuna Oil Cr!ratin "t#

PRO-ECT NO + SO 2331 Prje7t + Diesel <9#r Desul!<uri=atin unit

Feed From % to Feed !urge Drum

o !upp,- Gs $i, Feed 8rom nit % to Feed !urge Drum t+roug+ %c< =s+ Fi,ter.

"!:1*0:PR:1:0017 "!:1*0:PR:1:002

Feed Fi,ter 31*0:F:00147Feed !urge Drum31*0:V:0014

Gs $i, Feed 8rom % to Feed Fi,ter 3F:0014 nd send to Feed !urge Drum 3V:0014

O!erating Parameters

Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5g<r)

6C C.* 12070C

Re;$ N$

1.1.1.1.1

1.1.1.1.2

1.1.1.1.C

1.1.2.1.1

1.1.2.2.2

1.1.C.1.1

1.2.1.1.1

1.2.1.1.2

1.3.1.1

1.*.1.1.1

1.*.2.1.1

6.'ig+ emperture 1.6.1.1.1

NODE NO+ 01

DES.,N .NTENT.ON

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S

A:A."A"E CONTRO"SCHE/ES

None.

SER:.CE

Gs $i, Feed 8rom % to Feed!urge Drum

Nte+

N#e De8iatin Causes Cnseuen7es Sa;eguar#s Re7mmen#atins Res!nsi?ilit9 Remars

1. Feed 8rom % to Feed !urgeDrum

1.o9No F,o9

1.! disturbnce 1.o9 ,eve, in F!D.

1.o9 F,o9 A,rm3FI**4 t %.

2.o9 ,eve, ,rm3"014 provided tF!D.

C.o9 o9 eve,rip ,rm 3/0*4.

2."+o<ing o8 %c<9s+ Fi,ter 31*0:F:0014.

1.!me s "use:1conse;uence1

1.!me ss8egurds 8orcuse 1

conse;uence 1

2.'ig+ Pressure drop in Feed8i,ter

2.'ig+ A,rm o8 PD#:C2 provided

C.Automticbc<9s+ 8i,ters-stem 8i,s


1.!me ss8egurds 8orcuse 1

conse;uence 1

1.o be revie9edduring deti,engineering 'A/$P9+en vendor

in8ormtion isvi,b,e.

2.'ig+ F,o91. pstremDisturbnce

1.Feed F,o9 to F!D 9i,,increse.i;uid $ver8i,,ing cn bepossib,e.

1. 'ig+ ,rm 3":014 nd 'ig+ 'ig+,rm 3#:0C4provided.

2. P!V:C02A% is

designed 8or ,i;uidover8i,,ing cse.

C.o9 Pressure1. !me s o9No8,o9

1.Re8er Node:1 Devition 1

*.'ig+ Pressure

1. ! Disturbnce1. !-stem m- eperience+ig+er t+n t+e opertingpressure

1. !-stem isdesigned 8ormimum !

pressure

2. "+o<ing o8 FeedFi,ter31*0:F:0014

1. !-stem ! 8eed 8i,ter m-eperience +ig+er t+n t+eoperting pressure

1.!-stem isdesigned 8ormimum !pressure

1.o be revie9edduring deti,engineering 9+envendor in8ormtion isvi,b,e

1.! disturbnce 1.!-stem m- eperiencetemperture +ig+er t+ndesign.

1.!-stem is rted 8or%design temperture

1.Provide 'ig+ temperture,rm on#:10

DE"



HAZOP WORKSHEET



C. 12070C

Re;$ N$

1J.1.1.1.1

1J.1.1.1.2

1J.1.2.1.1

NODE NO+ 01 Feed From % to Feed !urge Drum

DES.,N .NTENT.ON o !upp,- Gs $i, Feed 8rom "D direct,- to Feed !urge Drum t+roug+ %c< =s+ Fi,ter.

DRA*.N,S "!:1*0:PR:1:001 7 "!:1*0:PR:1:002

EBU.P/ENT Feed Fi,ter 31*0:F:00147Feed !urge Drum31*0:V:0014

STREA/ DETA."S Gs $i, Feed 8rom "D to Feed Fi,ter 3F:0014 nd send to Feed !urge Drum 3V:0014

A:A."A"E CONTRO"SCHE/ES

None.

SER:.CE



Gs $i, Feed 8rom "D to Feed!urge Drum

Nte+


1J. Feed 8rom "D to Feed!urge Drum during strt:upopertion 1.! disturbnce 1.o9 ,eve, in F!D.

1.o9 ,eve, ,rm3"014 provided tF!D.

1.#n ddition to FI:**%provide ,o9 F,o9 A,rm.

2.o9 o9 eve,rip ,rm 3/0*4.

2."+o<ing o8 %c<9s+ Fi,ter


1.!me ss8egurds 8orcuse 1conse;uence 1



Re;$ N$N#e De8iatin Causes Cnseuen7es Sa;eguar#s Re7mmen#atins Res!nsi?ilit9 Remars

1J.1.2.2.2

1J.1.C.1.1

1J.2.1.1.1

1J.2.1.1.2

1'.3.1.1

1J.*.1.1.1

1J.*.2.1.1

: : .

2.'ig+ Pressure drop in Feed8i,ter

2.'ig+ A,rm o8 PD#:C2 provided

C.Automticbc<9s+ 8i,ters-stem 8i,s


1.!me ss8egurds 8orcuse 1conse;uence 1

1.o be revie9edduring deti,engineering 'A/$P9+en vendorin8ormtion isvi,b,e.

2.'ig+ F,o91. pstremDisturbnce

1.Feed F,o9 to F!D 9i,,increse.i;uid $ver8i,,ing cn bepossib,e.

1. 'ig+ ,rm 3":014 nd 'ig+ 'ig+,rm 3#:0C4provided.

2. P!V:C02A% isdesigned 8or ,i;uidover8i,,ing cse.

C.o9 Pressure1. !me s o9No8,o9

1.Re8er Node:1 Devition 1

*.'ig+ Pressure

1. ! Disturbnce1. !-stem m- eperience+ig+er t+n t+e opertingpressure

1. !-stem isdesigned 8ormimum !pressure

1.% design pressureto be veri8ied duringdeti, engineering

2. "+o<ing o8 FeedFi,ter31*0:F:0014

1. !-stem ! 8eed 8i,ter m-eperience +ig+er t+n t+eoperting pressure

1.!-stem isdesigned 8ormimum !pressure

1.o be revie9edduring deti,engineering 9+envendor in8ormtion isvi,b,e




1J.1.1.1.16.'ig+emperture

1.! disturbnce1.!-stem m- eperiencetemperture +ig+er t+ndesign.

1.!-stem is rted 8or%design temperture

1.Provide 'ig+ temperture,rm on#:10

DE"



HAZOP WORKSHEET



Re;$

2.1.1.1.1

2.1.1.2.1

2.1.1.C.1

2.1.1.C.2

2.1.1.C.C

2.1.2.1.1

2.1.2.2.2

2.1.3.1

2.1.C.1.1

2.1..1.1

2.2.1.1.1

2.2.1.2.2

2.2.1.2.C

2.2.2.1

2.C.1.1.1

2..1.1.1

2.6.1.1

2..1.1.1

2..2.1.1

NODE NO+ 02 Feed !urge Drum to Rector Fired 'eter #n,et

DES.,N .NTENT.ON o Pre+et t+e Gs oi, 8eed nd '2 t+roug+ ec+nger trin 3E:001A%"D4 be8ore 8urt+er +eting b- rector 8eed +eter.

DRA*.N,S "!:1*0:PR:1:0027 "!:1*0:PR:1:00C7 "!:1*0:PR:1:00*

EBU.P/ENT Feed !urge Drum31*0:V:00147Gs $i, Feed Pump31*0:P:00147Rector Feed E88,uent STREA/ DETA."S Gs $i, 8rom Feed !urge Drum 3V:0014 pumped to 8eed E88,uent Ec+nger trin3E:

A:A."A"E CONTRO" P":CC07":017":07F":*0A%7F":*07":117":01.

SER:.CE O!erating Parameters

Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5g<r

Gs $i, Feed pump toMiing PointMiing Point to Feed E88,uent

Ec+nger #n,etFeedE88,uent Ec+nger to Fired'eter #n,et

6C

6.

C0.C:CC.

1.C:101.0

2.2:*.

0.:C.2

1200C

11C*0:121

1260:12

Nte+


2.Feed !urge Drum to RectorFeed 'eter

1.o9No F,o9 1.ripping o8 Gs oi, 8eedpump3P:001A%4

1.Rection section ,osses gs oi, 8eed 1 F": *0provided 9it+ ,o9,rm.

2.'ig+ ,eve, in F!D3V:0014 2 F/:** provide

9it+ ,rm to tript+e 8ired +eter

C.Possib,e over8i,,ing o8 F!D V:001 1 'ig+ ,rm ":01

2 '' ,rm t #:0C

C.1 P!V:C02A% isdesigned 8orover8i,,ing cse.

2.F":*0 m,8unctions to c,ose 1.!me s cuse 1 conse;uence1B2 1 F/:** provide9it+ ,rm to tript+e 8ired +eter

2.P:001A% ,i<e,- dmge 2 Pump isprotected 9it+Min. 8,o9 b-pss

C.":0 m,8unctions to c,ose 1.V:001 boot ,eve, 9i,, increse Bpossibi,ities o8 9ter going 9it+ gs oi, 8eed

2.$perting procedure s+ou,densure periodic, c+ec<ing o8

G:06

DE"N$"

*. F"V:*0A% m,8unctions toopen

1. !me s cuse 1 conse;uence1B2

1. !me s cuse1 conse;uence1B2

. K/V:1 m,8unctions toc,ose

1. !me s cuse 1 conse;uence1B2

1. !me s cuse1 conse;uence1B2

2. 'ig+ F,o9 1. F":*0 m,8unctions to 8u,,

open

1. '2 to '" rtio 9i,, c+nge nd m-

dverse,- 88ect t+e product ;u,it-

1 o9 ,rm ":

01

2. eve, in F!D m- go do9n 2 rip ,rm /:0* 9i,, ctivte/:01

C Provide D"!indiction 8rom F/:**.

2. ":0 m,8unctions to 8u,,open3sour 9ter4

1. oss o8 Gs oi, 8eed to c,ose drin no+5rdous conse;uence

2. $perting procedures+ou,d ensure periodic,c+ec<ing o8 G:06

DE"N$"

C. As 9e,, s 1. =ter comes 9it+ Gs oi,8eed

1. Process upset 1. 'ig+ eve, ,rmin ": 0.

. ReverseMisdirectedF,o9

1. P:001 trips 1. %c< 8,o9 8rom +ig+ pressure side3Rection section4

1. /:1 9i,,ctivte B c,oseK/V:1.

6. o9 Pressure 1. P" CC0 m,8unctions to c,oseP"V CC0A nd open P"V:CC0%

1. P:001A% m- cvitte *. Pump to be se,ectedsuitb,- to provide s8et-mrgin 8or NP!' re;uirementsduring deti, engineering

DE"

. 'ig+ Pressure 1. P" CC0 m,8unctions to openP"V CC0A nd c,ose P"V:CC0%

1. $ver pressuri5ing o8 t+e F!D 3V:0014

1. P!V:C02A%provided

2. P:001 trips 1. i;uid over8i,,ing o8 F!D3V:0014m- occur

1. P!V:C02A% isdesigned 8or ,i;uidover8i,,ing cse



Re;$N#e De8iatin Causes Cnseuen7es Sa;eguar#s Re7mmen#atins Res!nsi?ilit9 Remars

2..C.1.1

2..C.2.2

2..*.1.1

2..*.2.2

2..1.1

2..2.1

2..1.1

2.10.1.1

2.10.2.1

2.10.C.1.1

2.11.1.1

2.11.2.1

2.11.3.1

2.11.*.1.1

2.11.*.1.2

2.12.1.1.1

C. F":*0 to c,ose F"V:*0 1. i;uid over8i,,ing o8 F!D3V:0014m- occur


2. Pump disc+rge ,ine up to F"V:*0 is subjected to +ig+ pressure

2. Pump 3P:001A%4 disc+rge,ine is designed 8orpump s+uto88pressure

*. K/V:1 m,8unctions toc,ose

1. i;uid over8i,,ing o8 F!D3V:0014m- occur


2. Pump disc+rge ,ine up to K/V:1 is subjected to +ig+ pressure

2. Pump 3P:001A%4 disc+rge,ine is designed 8orpump s+uto88pressure

. esso9emperture

1. ":11 m,8unctions to open"V:11

1. o9 temp. t +eter in,et m- ,ed toopertion, upsets

. Provide ,o9 temp. ,rm t3#:1204 +eter in,et

DE"

2. F":*0 m,8unctions to openF"V:*0 8u,,-

1. i<e,- ,o9 temp. t +eter in,et7 no mjorconcern

. 'ig+emperture

1. ":11 m,8unctions to c,ose"V:11

1. No mjor concern

10. esso9 eve, 1. F":*0 m,8unctions to open

F"V:*0

1. Re8er 'ig+ 8,o9 o8 t+is node

2. ":0 m,8unctions to open"V:0

1. Re8er 'ig+ 8,o9 o8 t+is node

C. ":01 m,8unctions to c,ose20 "V:011A%"

1. P:001A% m- cvitte 1. /:0* 9i,,ctivte /:01 9+ic+ 9i,, tript+e pump

11. 'ig+ eve, 1. F":*0 m,8unctions to c,oseF"V:*0

1. Re8er o9No F,o9 o8 t+is node

2. K/V:1 m,8unctions toc,ose


C. ":0 m,8unctions to c,ose"V:0


*. "V:01 m,8unctions toopen20 "V:011A%" 8u,,-

1. $ver8i,,ing o8 F!D 3V:0014 1. '' A,rm #:0C

2. P!V:C02A% isdesigned 8or i;uidover8i,,ing cse

12. Prob,emRe;uirements 1. ube ,e<ge in 3EE:001A%"D4

1. Possib,e contmintion o8 product 9it+8eed

1. An,-5er A#:00Cis provided onproduct ,ine



)

2



Samsung Engineering .n#ia P8t "t#

PRO-ECT NO + SO 2331

P":3For Deti, see t+e 'eter Firing PB#D 8or contro, s-stem4

NODE NO+ 03 Rector Feed 'eter

DES.,N .NTENT.ON o +et Gs $i, Feed L'2 miture to Rector in,et temperture.

DRA*.N,S "!:1*0:PR:1:000*

EBU.P/ENT Rector Feed 'eter 31*0:':0014

STREA/ DETA."S A8ter pre+eting 8rom 8eede88,uent +et ec+nger post +eting is d

A:A."A"E CONTRO" SCHE/ES

SER:.CE O

Tem!erature(@C)

Fired 'eter $ut,et to'-drotreter Rector #n,et

C1.C:C62.

Nte+

N#e De8iatin Causes

C. Rector Feed'eter

1. o9No F,o9 1. ! disturbnce.

2. 'ig+ F,o9 1. ! disturbnces

. o9emperture

1. ":12* m,8unctions B ,ess8iring in t+e +eter

. 'ig+emperture

1. ":12* m,8unctions ndover 8iring in +eter



N#e De8iatin Causes

11. Prob,emRe;uirements 1. 'eter tube ,e<



HAZOP WORKSHEET

Client +

Prje7t +

6.*:.

Re;$

C.1.1.1.1

C.1.1.1.2

C.1.1.1.C

3.2.1.1

2.7.1.1.1

C..1.1.1

ne in Fired 'eter

erating Parameters

Pressure ( ?ar g)

Cnseuen7es Sa;eguar#s Re7mmen#atins

1. Possib,e over+eting o8 +eter tubes,eding to tube 8i,ure.

1. ":12* contro,st+e 8iring o8 +eter

2. 'ig+ ,rm isprovided t #:121 B2223!<in temp.47#:122 B22C3"$4

C. /:12C '' temp.9i,, ctivte /:1

1. Re8er +ig+ 8,o9 o8 node:2

1. Desired rector temp. 9i,, not bec+ieved ,eds to gs oi, product ;u,it-upsets.

1.o9 ,rm t /:12C is provided.

6. Provide ,o9 ,rm t #:122 B#:22C.

1. Possib,e co<e 8ormtion in +eter tubes 1. #:1217#:1227#:222B#:22C provided 9it++ig+ ,rm



Re;$Cnseuen7es Sa;eguar#s Re7mmen#atins

C..1.1.2

C..1.1.C

C.11.1.1.1

C.11.1.2.2

2. /:12C '' 9i,,ctivte /:1 to tript+e +eter

C. #:101 B#:102provided 9it+ +ig+,rm

1. Fire bo temp. +ig+7 possib,e +eterdmge

1.'ig+ temp ,rm t#:101B#:102

. $perting procedures+ou,d ensure s8es+utdo9n o8 t+e p,nt

2. Fire bo pressure +ig+. 2. P": +ig+ ,rmprovided.P/:00provided 9it+ '',rm nd ctivte/:1 to trip t+e+eter



Nagarjuna Oil Cr!ratin "t#

Diesel <9#r Desul!<uri=atin unit

1260:12C2

4l> rate (5g<r)

Res!nsi?ilit9 Remars

DE"



Res!nsi?ilit9 Remars

DE"N$"



HAZOP WORKSHEET



2. o coo, rector e88,uent b- ec+ngers7 ir coo,er B trim coo,er to seprte converted '2!7 N'C 8rom gs $i, in !eprtor drum.

C. o mintin rector temperture b- '-drogen Gurding.

F":*127F":*1C7F":*1*7F":*17":12*7":1C17":1C7":1*C7":11

Re;$

4.1.1.1

*.1.1.1.1

*.2.1.1.1

*.2.2.1.1

*..1.1.1

*.6.1.1.1

*.6.1.1.2

4.7.1.1

*..1.1.1

*..1.1.2

*..2.1.1

*..2.2.2

*..2.2.C

*..2.2.*

*..2.2.

4.8.3.1

*..1.1.1

*..2.1.1

4.9.3.1

NODE NO+ 0& Rected Feed 'eter $ut,et to Rector 7E88,uent ir coo,er7 rim "oo,er up to !eprtor in,et

DES.,N .NTENT.ON 1. o +-dro tret Gs $i, Feed in Rector 8or desu,p+uristion7 denitrogention B romtic sturtion.

DRA*.N,S "!:1*0:PR:1:000*7 "!:1*0:PR:1:0007 "!:1*0:PR:1:00067 "!:1*0:PR:1:000

EBU.P/ENT Rector Feed 'eter 31*0:':0014

STREA/ DETA."S A8ter post +eting in 'eter7 Gs $i, is +-drotreted nd psses t+roug+ in 8eed e88,uent ec+nger 8or +et trns8er to co,d 8eed nd t+en send to ir coo,er nd trim coo,er 8or 8urt+er coo,ing nd 8in,,- to seprtor.

A:A."A"E CONTRO" SCHE/E


Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5gRector to stripper 8eedpre+eter 7 Feed e88,uentec+nger t in,et o8 Air coo,er

Air coo,er to !eprtor

1.:C

*:6

0.2:C.*

.:..C

1C6

1**1

Nte+


*. Rector Feed 'eter $ut,etto Rector7 E88,uent Air "oo,er7rim "oo,er p to seprtor in,et

1. o9No F,o9 1. ! disturbnce 1. No +5rdous conse;uences

2. F":*12 *1C*1**1m,8unction to c,ose

F"V*12*1C*1**1 3;uenc+'24

1. Rector bed temp. increses ,eding torun9- sitution

1. 'ig+ temp.,rms re provided

8or ec+ bed

2. 'ig+ F,o9 1. ! disturbnce 1. Possib,e incomp,ete rection resu,ting inpoor product ;u,it-

1. A#:00C isprovided on product,ine

2. F":*12 *1C*1**1m,8unction to 8u,,- open F"V*12*1C*1**1

1. Rector bed temp. decreses Bm- ,ed to incomp,ete rection

1. A#:00C isprovided on product,ine

. o9 Pressure 1. ! disturbnce 1. #ncomp,ete rection m- ,ed to poorproduct ;u,it- 1. An,-5er A#:00Cis provided tproduct ,ine

6. 'ig+ Pressure 1. Disturbnce in '-drogenrec-c,e ,oop.

1. i<e,- pressuri5tion o8 t+e s-stem. 1. P":C provided9it+ +ig+ ,rm.

2. P!V:C0A%provided.

. o9emperture

1. More ;uenc+ '-drogen 8,o9to rector

1. Re8er +ig+ 8,o9 o8 t+is node

. 'ig+emperture

1. o9 ;uenc+ gs to rector 1. Re8er o9No F,o9 o8 t+is node 1. 'ig+ temp. A,rms re provided8or ec+ bed.

2. o9 ,rm t F":*12*1C*1**1.

2. EA:001 Fn motor trips 1. Pressure bui,dup due to ,esscondenstion

1 'ig+ ,rm t #:16C

2. 'ig+er +-drocrbons m- condense in'P Amine co,umn 3":0014 ,eding to 8om

8ormtion

2. P":C isprovided 9it+ +ig+

,rm

C. P!V:C0A% isprovided

*. #:16 +ig+ ,rmnd #:212 +ig+,rm is ,soprovided

. '-drocrbons<immer 8or bot+'P B P minebsorber 3":001 nd

":00C4 is routed to"%D insted o8mine drin.

C. "oo,ing 9ter 8i,ure in EE:00C

1. !me s cuse 2 conse;uence1B2 o8 t+is node

. Prob,emRe;uirements 1. "o<ing in rection bed 1. 'ig+ pressure drop in rector bed 1. PD# 9it+ +ig+,rm provided 8orec+ bed

2. Vibrtion in Air coo,er 3EA:00148ns

1. Possib,e dmge o8 EA:001 components 1. Vibrtion ,rm3VA:00100200C00*4 isprovided

C. ube ,e<ge EE:00C 1. '-drocrbon m- ingress in coo,ing9ter

. "oo,ing 9ter smp,en,-sis to be consideredduring deti, engineeringo8 $!% s-stem

PM"N$"



<r)



HAZOP WORKSHEET



2. o inject 9s+ 9ter in ! o8 Rector E88,uent Air "oo,er to disso,ve mmonium s,ts.

F":*17P":C67":167F":*17F":*207":*2B ":**

Re;$

.1.1.1.1

.1.1.1.2

.1.2.1.1

.1.C.1.1

.1.*.1.1

.1..1.1

.1..2.1

.1.6.1.1

.1..1.1

.1..2.1

.1..2.2

.1..2.C

.1..2.*

.1..1.1

.1..2.1

.1..2.2

5.1.9.1

NODE NO+ 0 =s+ =ter !-stem

DES.,N .NTENT.ON !our =terMP %F= supp,- to =s+ =ter Drum3V:00*4

DRA*.N,S "!:1*0:PR:1:0007 "!:1*0:PR:1:00217 "!:1*0:PR:1:0022

EBU.P/ENT =s+ =ter Drum31*0:V:00*4 nd =s+ 9ter pump31*0:P:002A%4

STREA/ DETA."S 1. o supp,- !tripper !our =ter%F=Rec-c,e 9ter to =s+ 9ter drum.



Tem!erature(@C) Pressure ( ?ar g)

!our =terMP %F= supp,- to=s+ 9ter Drum

!our =ter 8rom Re8,uDrum

6:12

*.0

.0:2*.0

6.*

Nte+


. =s+ =ter !-stem

1. o9No F,o9 1. ! disturbnce in unit 0. 1. eve, o8 3V:00*4 m- go do9n 1. %F= B Rec-c,e9ter is vi,b,e8or m<e up.

2. o9 ,rm 8or F":*20 is provided.

2. F" *20 m,8unctions to c,oseF"V:*20

1. eve, o8 3V:00*4 m- go do9n 1. %F= B Rec-c,e9ter is vi,b,e8or m<e up

C. F":*1 m,8unctions to c,oseF"V:*1

1. eve, o8 3V:00*4 m- go do9n 1. !tripped sour9ter nd rec-c,e9ter is vi,b,e8or m<eup

*. ":*2 m,8unction to c,ose"V:*2A

1. eve, o8 3V:00*4 m- go do9n 1. !tripped sour9ter nd %F= isvi,b,e 8orm<eup

. ":** m,8unction to c,ose"V:**

1. #nter8ce ,eve, o8 V:00 boot 9i,, be +ig+

1.1 #:60A isprovided 9it+'' ,rm

2. =ter m- crr- over 9it+ diese, product. 1 !":011isprovided.

6. ":16 m,8unction to c,oseF"V:*20*1B "V:*2%

1. eve, o8 3V:00*4 m- go do9n 1. /:1 ,rm9i,, ctivte /:1Cto trip 9s+ 9terpumps nd ctivte/:21to c,oseK/V:21

. P:002A% trips 1. eve, o8 3V:00*4 m- go +ig+ 1 #: is provided9it+'' ,rm

2. %c< 8,o9 8rom rection section 1. ":16 isprovided 9it+ +ig+,rm

2. P!V:C10A%designed 8or ,i;uidover8i,,ing cse

C. F/:*0 ,rm9i,, ctivte /:21to c,ose K/V:21

*. NRV is providedt in,et o8 rectore88,uent ir coo,er

. F":*1 m,8unction to c,ose

F"V:*1

1. No 9s+ 9ter to EA:0017 9i,, increse

s,t deposition

1.F/:*0 is

provided 9it+ ,rm

2. 'ig+ ,eve, in V:00*. 1. #: is provided9it+'' ,rm

2.":16 isprovided 9it+ +ig+,rm

. K/V:21 m,8unction to c,ose 1. !me s cuse 7"onse;uence1B2 bove




.1.10.1.1

.1.10.1.2

.2.1.1.1

.2.1.1.2

5.2.2.1

.2.C.1.1

.2.C.2.1

.2.*.1.1

.2.*.2.1

.2..1.1

.2..2.1

.2..2.2

.2.6.1.1

.2.6.2.2

5.3.1.1

5.5.1.1

..2.1.1

..2.1.2

..C.1.1

.6.1.1.1

5.11.1.1

12. $pertionMintennce .12

10. F":*A% m,8unction to8u,, open F"V:*A%

1. ess 9s+ 9ter to EA:0017 resu,ting s,tdeposition in tubes.

1 F/:*0 isprovided 9it+ ,rm

2. F":*1provided 9it+ ,o9,rm.

2. 'ig+ F,o9 1. F" *20 m,8unctions to openF"V:*20

1. eve, o8 3V:00*4 m- go +ig+ 1. ":16 provided9it+'ig+ ,rm.

2. #: provided9it+ '',rm.

2. F":*1 m,8unctions to openF"V:*1

1. !me s "use:1 conse;uence1 in t+esme node.

C. ":*2 m,8unction to open"V:*2A

1. eve, o8 3V:00*4 m- go +ig+ 1. !me s "use17"onse;uence17!8egurds 1B2bove

2. %oot ,eve, o8 V:00 m- go do9n7'"crr- over to V:00* m- ,ed to +ig+pressure

1. P":C6 provided9it+ +ig+ ,rm.

*. ":** m,8unction to open"V:**

1. eve, o8 3V:00*4 m- go +ig+ 1. !me s "use17 "onse;uence 17!8egurds1B2.



. ":16 m,8unction to openF"V:*20*1B "V:*2%

1. eve, o8 3V:00*4 m- go +ig+ 1. !me s "use17 "onse;uence 17!8egurds2.



2. P!V:C10 A%provided.

6. F":*1 m,8unction to open

F"V:*1

1. More 9s+ 9ter to EA:0017EE:

001 39+en in opertion4no mjor concern.

1. ":16 is

provided 9it+ ,o9,rm

2. i<e,- ,o9 ,eve, in V:00*. 2. /:1 provided9it+ ,o9 ,o9 ,rm.

C. As 9e,, s 1. "ontmintion in !trippedsour 9ter.

1. =ter 9s+ing o8 EA:001 m- get88ected.

1.Ensuresmp,ingprovision isgiven innit0 duringdeti,ing.

. o9 Pressure 1. P":C6 m,8unctions to c,oseP"V:C6A nd opens C6%

1. Pump m- cvitte nd 9s+ 9ter 8,o9to EA:001 m- be ,ost.

11. $pertingprocedure s+ou,densure periodic,c+ec<ing o8 P#:01.

DE"N$"

2. Nitrogen supp,- 8i,ure. 1. Pump m- cvitte nd 9s+ 9ter 8,o9to EA:001 m- be ,ost.

1. P":C6provided 9it+ ,o9,rm.

2. P#:06 t %. isprovided 9it+ ,o9,rm

C. o9 supp,- pressure o8 sour9ter 8rom unit 0

1. %F= m- enter into sour 9ter ,ine 1. NRV is provided

6. 'ig+ Pressure 1. P":C6 m,8unctions to openP"V:C6A nd c,oses P"V:C6%.

1. V:00* m- eperience +ig+ pressure. 1. P!V:C10 A% isprovided.

11. Prob,emRe;uirements 1. Misdistribution o8 9s+ 9terin ir coo,er tube bund,es.

1. !,t m- deposit on ir coo,er tubes. 12. $pertingprocedure s+ou,densure periodic,c+ec<ing o8 F#:***60*61

DE"N$"



l> rate (5g<r)

221:6212

CC10



HAZOP WORKSHEET



":1*.":67"*2

Re;$

6.1.1.1.1

6.1.2.1.1

6.1.3.1

6.1.4.1

6.2.1.1.1

6.2.2.1.1

6.2.3.1

6.2.4.1

6.6.1.1.1

NODE NO+ 0% !eprtor bottom to sour 9ter 8,s+ Drum nd %

DES.,N .NTENT.ON o seprte t+e sour 9ter 8rom '" in !eprtor nd send to %.

DRA*.N,S "!:1*0:PR:1:00067 "!:1*0:PR:1:0021

EBU.P/ENT !our 9ter F,s+ Drum31*0:V:014

STREA/ DETA."S !our 9ter 8rom !eprtor 3V:0064 to !our 9ter 8,s+ drum 3V:014 nd t+en 9ter 9i,, send to % nd 8,s+ gs 9i,, be sent to P Amine ($D3V:0104



Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5g

!eprtor bottoms to!our 9ter 8,s+ drum

!our 9ter 8,s+ drum to!our 9ter %

*

*

6.*:.

*.0:6.*

100

1000

Nte+


6. !eprtor bottom to !our9ter F,s+ Drum nd %

1. o9No F,o9 1. ":10 m,8unctions to c,ose"V :10

1. %oot ,eve, o8 V:006 m- go +ig+ resu,tingin 9ter crr- over 9it+ gs oi, product.

1. # 12 isprovided 9it+'' ,rm.

2. ":6 m,8unctions to c,ose"V:6

1. V:01 9ter side ,eve, m- go +ig+. 1.o9 ,rm t F#:*1 is provided..

C. ":1* m,8unctions to c,ose"V:1*

1. V:01 '-drocrbon side ,eve, m- go+ig+.

1*. $perting procedures+ou,d ensure periodic,c+ec<ing o8 G:1

DE"N$"

*. ":*2 m,8unctions to c,ose"V:*2 %

1. V:00 boot ,eve, m- go +ig+7 9ter m-go ,ong 9it+ re8,u9i,d np+t+.

1. $perting procedures+ou,d ensure periodic,c+ec<ing o8 G:*C

DE"N$"

2. 'ig+ F,o9 1. ":10 m,8unctions to

opens"V :10

1. %oot ,eve, o8 V:006 m- go ,o9 resu,ting

in +-drocrbon crr- over 9it+ !our 9ter.

1. / 1C is

provided 9it+ ,rm 9i,, ctivte/:0* to c,oseK/V:0*.

2. ":1* m,8unctions toopens"V:1*

1. V:01 '-drocrbon side ,eve, m- go,o97 8,s+ gs m- go to "%D.

1. "%D vesse, isconnected to 8,re.

1*. $perting procedures+ou,d ensure periodic,c+ec<ing o8 G:1

DE"N$"

C. ":6 m,8unctions to open"V:6

1. V:01 9ter side ,eve, m- go ,o9 nd'" m- crr- over 9it+ !our 9ter to %..

1. Provision8or '"

crr-over 9it+sour 9ter to beconsidered inunit 0.

*. ":*2 m,8unctions toopen"V:*2 %

1. %oot ,eve, o8 V:00 m- go ,o9 resu,tingin +-drocrbon crr- over 9it+ !our 9ter.

1. $perting procedures+ou,d ensure periodic,c+ec<ing o8 G:*C

DE"N$" 1. Provision8or '"crr-over 9it+sour 9ter to beconsidered inunit 0.

6. 'ig+ Pressure 1. ! Disturbnce 1. !-stem m- eperience +ig+er t+n t+eoperting pressure

1. P!V:C0A% isprovided.



<r)



HAZOP WORKSHEET



F":*167":11

Re;$

.1.1.1.1

.1.1.2.1

.1.2.1.1

.1.C.1.1

.1.C.2.1

7.1.4.1

.2.1.1.1

.2.1.1.2

7.2.2.1

.C.1.1.1

..1.1.1

7.8.1.1

7.11.1.1

.11.2.1.1


NODE NO+ 0F !eprtor drum to stripper in,et

DES.,N .NTENT.ON o pre+et Gs oi, in ec+nger trins nd send to stripper 8or strip out to np+t+ nd ,ig+ter components.

DRA*.N,S "!:1*0:PR:1:0007 "!:1*0:PR:1:0017 "!:1*0:PR:1:001

EBU.P/ENT !eprtor Drum31*0:V:00647!tripper Feed %ottom Ec+nger31*0:EE:00647!tripper Pre+eter 31*0:V:0024

STREA/ DETA."S Gs oi, is seprted in seprtor3V:0064 nd send 8or 8urt+er +eting #n !tripper 8eedbottom 3EE:0064 nd stripper pre+eter 3EE:002A%4 t+en stripper



Tem!erature(@C) Pressure ( ?ar g) 4

!eprtor bottom to stripperPre+eter in,et

stripper Pre+eter to!tripper #n,et

*:1

21C:260

11.:.

.:10.C

Nte+


. !eprtor Drum to !tripper#n,et

1. o9No F,o9 1. K/V:0C m,8unctions toc,ose.

1. eve, o8 V:006 increses 1. " 0 +ig+,rm is provided.

2. i;uid '" crr-over in vpor ,ine. 1. (.$.D V:00 isprovided.

2. ":0F":*16 m,8unctionsto c,ose F"V:*16.

1. eve, o8 V:006 increses 1. =+en F" *16m,8uctions7"0 is vi,b,e9it+ +ig+ ,rm B9+en " 0m,8unctions F"*16 is vi,b,e 8ormonitoring

16. Provide ,o9 ,rm tF":*16

DE"

C. ":11 m,8unctions to c,ose"V:11%

1. Pressure o8 s-stem up to EE:002 m-increse

1. P!V:C0A% 1. Provide ,o9 ,rm t#:10

DE"

2. o9 stripper in,et temperture possib,-,eding to product o88 spec

1. Mec+nic,imit stopprovided t "V:11A 8or minimum8,o9 to void tot,b,oc<ge.

*. ":11 m,8unctions to open"V:11A

1. No mjor concern

2. 'ig+ F,o9 1. ":0F":*16 m,8unctionsto open F"V:*16.

1. eve, o8 V:006 decreses nd do9nstrem s-stem 9i,, 8ce +ig+ pressure

1. /:0 isprovided 9it+ ,o9,o9 ,rm 9+ic+

9i,, ctivte /:0C to trip K/V:0C.

2. P!V:C1A% isdesigned 8or gsb,o9 cse.

2. ":11 m,8unctions to open"V:11%

1. No mjor concern

C. As 9e,, s 1. " 10 m,8unctions to c,ose"V:10

1. V:006 boot ,eve, 9i,, increse7 m- ,edto 9ter crr- over 9it+ diese,.

1. #:12 isprovided 9it+'' ,rm.

. o9emperture

1. Fi,ure o8 +eting medium inEE:006A%"D

1. o9 stripper in,et temperture possib,-,eding to product o88 spec

1. ":11provided 9it+ ,o9,rm.

. 'ig+emperture

1. M,8unction o8 "V:11 A 1. 'ig+ in,et temperture in !tripper ":002.

1. Provide 'ig+ ,rmon #:10.

DE"

11. Prob,emRe;uirements 1. ube ,e< in EE:006 1. !tripper bottom 9i,, ingress in unstb gsoi,. No +5rdous conse;uence.

2. ube ,e< in EE:002 1. Rector e88,uent m- ingress innstb gs oi, ,eding to

1. P!V:C1A% isprovided 8or tuberupture cse.



l> rate (5g<r)

110:116

116



HAZOP WORKSHEET



2. o 8eed Rec-c,e Gs to rec-c,e gs "ompressor.

":17'":26.":217":2*

Re;$

.1.1.1.1

.1.1.2.1

.1.2.1.1

.1.2.1.2

.1.2.1.C

.1.C.1.1

.1.C.1.2

.1.*.1.1

.1.*.1.2

.2.1.1.1

..1.1.1

..1.1.2

..1.1.C

.6.1.1.1

.6.1.1.2

..1.1.1

.10.1.1.1

.10.2.1.1

.11.1.1.1


NODE NO+ 0G !eprtor over +ed to Rec-c,e gs compressor in,et

DES.,N .NTENT.ON 1. o remove '2! 8rom seprtor over+ed strem in 'P Amine Absorber.

DRA*.N,S "!:1*0:PR:1:0007 "!:1*0:PR:1:0007 "!:1*0:PR:1:00107 "!:1*0:PR:1:0012

EBU.P/ENT !eprtor 31*0:V:00647'P Absorber ($D31*0:V:0047 'P Amine bsorber 31*0:":00147Rec-c,e compressor ($D31*0:V:004

STREA/ DETA."S !eprtor 3V:0064 $ver+ed goes to ($D 3V:004nd t+en 'P Amine bsorber co,umn 3":0014 9+ere '2! treted b- ,en mine so,ution nd send to ($D o8 Rec-c,e gs compressor 3V:004t+en 8in,,- rec-c,e gs compressor 3(:0024




!eprtor over+ed to'P mine bsorber 'P Amine bsorber toRec-c,e gs compressor

*

*

.

.*

11:1

1CCC:1

Nte+


. !eprtor $ver+ed toRec-c,e gs compressor #n,et

1. o9No F,o9 1. '"V:26 m,8unction to 8u,,open 3No 8,o9 t+roug+ toco,umn4

1. 'ig+ '2! concentrtion in rec-c,e gs,ed to o88 spec product

1. A#:001 is provided on(:002 suction ,ine

1. $perting procedure toinc,ude opertion o8 '!:22 tose,ect F"V:*2C to purge '2! to8,re +eder

DE"N$"

2. !-stem pressure m- increse due to

non remov, o8 '2!

1. P":C is provided

9it+ +ig+ ,rm

2. P":CF":*2C m,8unctionto open F"V:*2C3ess 8,o9 inRec-c,e gs compressor !uction,ine4

1. !-stem pressure m- go do9n possib,edmge o8 compressor3(:0024

1. P/:C ,rm 9i,,ctivte /:0 to trip t+ecompressor 3(:0024

2. P#:C% is provided9it+ ,o9 ,rm

C. F#:*2 is provided9it+ ,o9 ,rm

C. ":1 m,8unction to open"V:1

1. eve, ,oses in V:007stripper 3":00243EE:006A%"D4 3EE:0024m- subject to +ig+ pressure due to gsb,o9 b-

1. P!V:C1A% isdesigned 8or t+is gsb,o9 b- cse

2. P#:0C is provided9it+ +ig+ ,rm.

*. ":2* m,8unction to open"V:2*

1. eve, ,oses in V:007 Gs b,o9 b- m-+ppen to ":00C

1. P":C* is provided9it+ +ig+ ,rm.

2. P!V:C1A% isdesigned 8or t+is gsb,o9 b- cse.

2. 'ig+ F,o9 1. P":CF":*2C m,8unctionto$pen F"V:*2C3Fue, gs ,ine4

1. Fue, gs ,ine m- subjected to +ig+pressure.

1. P!V:*1A% isdesigned 8or t+is cse.

1.Ensurere8iner- 8ue,gscomposition +sconsideredddition o8+-drogen8rom t+isunit duringdeti,engineering.

. o9 Pressure 1. K/V:02 m,8unctions toopen.

1. !-stem pressure m- go do9n 1. P#:C% provided 9it+o9 ,rm

20. Provide open 8eed bc<,rm 8rom /% 02 A

DE"

2. F#:*2 provided 9it+o9 ,rm.

C. "ompressor getstripped on P/:C ,rm.

6. 'ig+ Pressure 1. ! Disturbnce 1. $ver pressuri5ing t+e s-stem. 1. P":C provided 9it++ig+ ,rm.

2. P!V:C0 A% isprovided.

. 'ig+emperture

1. ! disturbnce 1. 'evier +-drocrbon crr- over 8romseprtor 3V:0064 to 'p Amine bsorber3":0014

1. #:16 nd #:212 isprovide 9it+ +ig+ ,rm

10. 'ig+ eve, 1. ":1 m,8unction to c,ose"V:1

1. '" i;uid crr- over to ":001 1. ":21 is provided9it+'ig+ ,rm.

21. $perting procedure tomonitor G:22 8or '" crr-over. =+en '" ,eve, bui,ds up its+ou,d be drined to "%D b-using !<im ,ine.

DE"N$"

2. ":2* m,8unctions to c,ose"V:2*

1. i;uid crr- over 9it+ rec-c,e gs to (:002

1. /:26 provided 9it+'' ,rm 9+ic+ 9i,,ctivte /:0 to trip t+ecompressor.

11. Prob,emRe;uirements 1. $ver pressuri5tion o8 t+es-stem due to some

emergencies

1. Possib,e ,oss o8 , i8e nd propert-. 1. Emergenc-depressuri5tion

s8egurding s-stem /:02 is provided.



C



HAZOP WORKSHEET



F":*2

Re;$

.1.1.1.1

.1.1.2.1

.1.1.2.2

9.1.2.1

9.1.3.1

.1.*.1.1

.1.*.1.2

.1..1.1

.2.1.1.1

.2.1.1.2

.*.2.1.1

9.6.1.1

..1.1.1

..1.1.2

9.11.1.1

NODE NO+ 0 Rec-c,e gs compressor to miing point

DES.,N .NTENT.ON o supp,- rec-c,e gs 8rom rec-c,e gs compressor to Rection section

DRA*.N,S "!:1*0:PR:1:00117 "!:1*0:PR:1:000C

EBU.P/ENT Rec-c,e gs compressor 31*0:(:0024

STREA/ DETA."S '2 nd ,ig+ter gses re rec-c,ed t+roug+ RG"3(:0024 to miing point t t+e in,et o8 Rector 8eede88,uent ec+nger




Rec-c,e gs compressor to

Miing point

.: 2.:.2

Nte+


. Rec-c,e Gs compressor toMiing Point

1. o9No F,o9 1. (:002 trip 1. No +-drogen supp,- to rector. 1.1 /:0 9i,,ctivte/:06

2. Gs oi, m- enter "ompressor disc+rge,ine

1. NRV is provided.

2. /:06 9i,, ctivte/:13bc< 8,o9

protection s-stem4 toc,ose K/V:1

2. F":*2 m,8unction to c,oseF"V:*23Antisurge ,ine4

1. Possib,- more +-drogen to Rectorsection.3N$ mjor concern.4

C. M,8unctioning o8 K"V:13Antisurge ,ine b- supp,ier4

1. Possib,e dmge o8 compressor. 1. +isntisurge is notconsidered int+is 'A/$P. obe "onsidered inDeti,engineering.

*. F":*2 m,8unction to openF"V:*23Rec-c,e gs nd;uenc+ gs ,ine4

1. ess '-drogen to rector;uenc+ ,edingto ,o9 product ;u,it-.

1. F":*12*1C*1**1 isprovided 9it+ ,o9,rm.

2. F/:*2 isprovided 9it+ ,rm

. ! disturbnce 3Rec-c,egs becomes ,ess4

1. Possib,e surging o8 compressor. 1. Anti surge v,veK"V:1 provided.

1. o berevie9ed duringdeti,engineering

9+en vendorin8ormtion isvi,b,e

2. 'ig+ F,o9 1. F":*2 m,8unction to openF"V:*2 3+ig+ 8,o9 in ntisurge,ine4

1. ess '-drogen to rector;uenc+ ,edingto ,o9 product ;u,it-.

1. F":*12*1C*1**1 isprovided 9it+ ,o9,rm.

1. o9 ,o9,rm o8 F/:*2 to be veri8ied8or t+is cuseduring deti,edengineering.

2. F/:*2 is provided9it+ ,rm

*. ReverseMisdirectedF,o9

2. (:002 trips 1. M<e up +-drogen m- bc< up inrec-c,e compressor disc+rge

1. NRV is provided.

6. 'ig+ Pressure 1. M,8unction o8 (:002 1. Possib,e over pressure cusing dmgeto t+e s-stem

1. o berevie9ed duringdeti,engineering9+en vendorin8ormtion isvi,b,e

. 'ig+emperture

1. M,8unct ion o8 (:002 1. 'ig+ disc+rge temperture m- ,ed tos-stem dmge

1. #:1 is provided9it+ +ig+ ,rm.

1. o berevie9ed during

deti,engineering'A/$P 9+envendorin8ormtion isvi,b,e.2. /:1* 9it+ ''

,rm to ctivte /:0

11. Prob,emRe;uirements 1. $pertion, nd s8et-issues re,ted to compressor 3(:002B (:0024 nd turbine s-stem

1. Possib,e +5rd o8 ,i8e nd propert-. 1. o berevie9ed duringdeti,engineering'A/$P 9+envendorin8ormtion isvi,b,e.



l> rate (5g<r)

*C10:022



HAZOP WORKSHEET



F":*C*7F":*2*

Re;$

10.1.1.1.1

10.1.1.2.1

10.1.1.2.2

10.1.1.2.C

10.1.1.2.*

10.1.2.1.1

10.1.2.2.1

10.1.2.2.2

10.2.C.1.1

10.2.*.1.1

10.2.*.1.2

10.2.5.1

10.2.6.1.1

10.2.6.1.2

10.2.1.1.1

10.2.1.2.1

10.2.1.2.2

10.2.2.1.1

10.2.2.21.1

10.*.2.1.1

NODE NO+ 10 en Amine 8rom % to P nd 'P mine bsorber co,umn

DES.,N .NTENT.ON en Amine supp,- to 'P nd P mine bsorber co,umns.

DRA*.N,S "!:1*0:PR:1:0007 "!:1*0:PR:1:00107 "!:1*0:PR:1:0016

EBU.P/ENT en Amine booster pumps31*0:P:00CA%47'P Amine bsorber co,umn31*0:":00147P Amine bsorber co,umns31*0:":00C4

STREA/ DETA."S en mine comes 8rom % nd goes to P Amine bsorber co,umn 3":00C4 nd pumped t+roug+ mine Pump3P:00C4to 'P Amine bsorber co,umn




en Amine 8rom % to P Aminebsorber co,umnen Amine 8rom % to 'P Aminebsorber co,umn

0

0

.

.:6.

Nte+


10. en Amine 8rom % to P nd 'P Amine Absorber co,umn

1. o9No F,o9 1. ! disturbnce 1. P:00CA% m- strve nd get dmged 1. F":*2**C* provided9it+ ,o9 ,rm

22. /:20 s+ou,d ctivte/:10 to trip pump 3P:00CA%4

DE"

2. essNo remov, o8 '2! 8rom rec-c,e $88gs

1. P#:CC is provided 9it+,o9 ,rm

2C. $perting procedures+ou,d ensure routing o8 o88 gsto 8,re +eder 9+en t+ere isdisturbnce in ,en minesupp,- to ":00C

DE"N$"

2. F/:**C provided 9it+ ,rm to ctivte /:203en mine to ":0014

C. A#:001 provide on

rec-c,e gs ,ine 8ormonitoring

*. A#:002 provided on o88gs drum out,et

2. P:00CA% trips3en Amineto":0014

1. essNo remov, o8 '2! 8rom rec-c,e gs 1. A#:001 provide onrec-c,e gs ,ine 8ormonitoring

2. bc< 8,o9 8rom 'P Amine bsorber to,en mine pump3P:00CA%4

1. F/:**C provided 9it+ ,rm to ctivte /:203en mine to ":0014

2. NRV is provided

C. F":*C* m,8unction to c,oseF"V:*C*3en Amine to ":00C4

1. essNo remov, o8 '2! 8rom $88 gs 1. A#:002 provided on o88gs drum out,et

2C. $perting procedures+ou,d ensure routing o8 o88 gsto 8,re +eder 9+en t+ere isdisturbnce in ,en minesupp,- to ":00C

DE"N$"

*. F":*2* m,8unctions to c,oseF"V:*2*3en Amine to ":0014

1. essNo remov, o8 '2! 8rom rec-c,e gs 1. A#:001 provide onrec-c,e gs ,ine 8ormonitoring


DE"

2. F/:**C provided 9it+,rm to ctivte /:203en mine to ":0014

. K/V:20 m,8unctions toc,ose3en Amine to ":0014

1. !me s cuse *7 conse;uences 1devition 3essNo 8,o94 in t+is node


DE"

6. F":*6A% m,8unction to 8u,,

open F"V:*6A%3o9 8,o9 o8en mine to ":0014

1. ess remov, o8 '2! 8rom rec-c,e gs 1. A#:001 provide on

rec-c,e gs ,ine 8ormonitoring

2. F":*2* provided 9it+o9 ,rm

2. 'ig+ F,o9 1. F":*C* m,8unction to openF"V:*C*3en Amine to ":00C4

1. ":00C ,eve, increses7 possib,e co,umnover8i,,ing

1. ":C2 is provided 9it++ig+ ,rm

2. Possib,e co,umn 3":00C48,ooding 1. A:60 is provided 9it+'' ,rm

2. PD#:C2 is provided9it+ +ig+ ,rm

2. F":*2* m,8unctions to openF"V:*2*3en Amine to ":0014

1. ":001 ,eve, increses7 possib,e co,umnover8i,,ing

1. ":21 is provided 9it++ig+ ,rm

2. Possib,e co,umn 3":00148,ooding 1. PD#:C2 is provide 9it++ig+ ,rm


2. ! disturbnce 1. $88Fue, gs m- bc< to $!%t+roug+ ,en mine ,ine 8rom ":00C

1. NRV is provided in t+e,ine




10.6.1.1.1

10.6.2.1.1

10..1.1.1

10..1.1.2

10..1.1.C

10..1.1.*

10..1.1.1

6. 'ig+ Pressure 1. F":*2* m,8unctions to c,oseF"V:*2*3en Amine to ":0014

1. !-stem up to F"V:*2* 8rom P:00C m- get pressuri5ed

1. !-stem is designed 8ors+ut o88 pressure o8 t+epump P:00C.

2. K/V:20 m,8unctions toc,ose3en Amine to ":0014

1. !-stem up to K/V:20 8rom P:00C m- get pressuri5ed

1. !-stem is designed 8ors+ut o88 pressure o8 t+epump P:00C.

. o9emperture 1. ! disturbnce 1. '" m- condense in mine so,ution,eding to 8oming 1. #:11 is provided 9it+,o9 ,rm38or ":00147 #:16 is provided 9it+ ,o9,rm38or ":00C4

2. $perting procedure toensure to c+ec< G CC BG:22 nd drin out t+e '"t+roug+ !<im ,ine.

DE"N$"

2. D#:21C is provided9it+ ,o9 ,rm38or ":00147D#:21* is provided9it+ ,o9 ,rm38or ":00C4

C. G:22 B G:CC retrnsprent t-pe to see t+einter8ce during upset

conditions.

*. +e v,ve in '"!<imming ,ine 8or ":001 is!pring ,oded t-pe.

. 'ig+emperture

1. ! disturbnce 1. Poor remov, o8 '2! 8romRec-c,e gs$88 gs

1. A#:001A#:002 isprovided 8or monitoring

2*. Provide 'ig+ ,rm on #:10 t ,en mine %.

DE"



4l> rate (5g<r)16*:1C0



HAZOP WORKSHEET



'P Amine bsorber co,umn 31*0:":00147 P Amine bsorber co,umn 31*0:":00C4

Ric+ mine 8rom 'P Amine bsorber co,umn3":0014 bottom to P Amine bsorber co,umn3":00C4

":21

Re;$

11.1.1.1

11.1.2.1.1

11.1.C.1.1

11.2.1.1.1

11.2.2.1.1

11.*.1.1.1

11.*.1.1.2

11.*.1.1.C

NODE NO+ 11 Ric+ Amine 8rom 'P Amine bsorber s-stem to P mine bsorber bottom to %

DES.,N .NTENT.ON o supp,- Ric+ mine 8rom 'P mine bsorber co,umn to P mine bsorber co,umn

DRA*.N,S "!:1*0:PR:1:00117 "!:1*0:PR:1:0016

EBU.P/ENT

STREA/ DETA."S




Ric+ mine 8rom 'P

mine bsorber co,umn to P Amine bsorber co,umn

6: 6.2:.6

Nte+


11. Ric+ Amine 8rom 'P Amine Absorber 7P Amine Absorberbottom to %.

1. essNo 8,o9 1. ":21 M,8unctions to",ose "V:21

1. eve, o8 ":001 m- go +ig+. 2. Provide ddition, #9it+ '',rm t ":001 bottom.

DE"

2. K/V:0 M,8unctions toc,ose

1. eve, o8 ":001 m- go +ig+. 1. ":21 is provided9it+'ig+ ,rm.

C. ":C2 M,8unctions to",ose"V:C2

1. eve, o8 ":00C m- go +ig+. 1. A:60 is provided9it+'' ,rm.

2. 'ig+ F,o9 1. ":21 M,8unctions to open"V:21

1. eve, o8 ":001 m- go do9n. 1. /:2C ,rm9i,, ctivte /:0.

2. ":C2 M,8unctions to open"V:C2

1. eve, o8 ":00C m- go do9n. 1. o9 ,o9 ,rm t A:60 is provided.

*. ReverseMisdirected

F,o9

1. Reverse 8,o9 o8 Ric+ mine

8rom %. to ":00C bottom.

1. eve, in ":00C m- go +ig+ 1. NRV is provided t

%.

2. ":C2 is provided9it+ +ig+ ,rm.

C. A:60 is provided9it+ +ig+ ,rm.



l> rate (5g<r)60*1C



HAZOP WORKSHEET



P":C*7":1

Re;$

12.1.1.1.1

12.1.1.2.1

12.1.1.C.1

12.1.1.C.2

12.1.2.1

12.1.3.1

12.1.4.1

12.2.1.1.1

12.2.1.2.1

12.2.1.2.2

12.2.1.C.1

12.2.1.C.2

12.2.2.1.1

12.2.C.1.1

12.6.2.1.1

12.6.2.1.2

12..1.1.1

12..1.1.2

NODE NO+ 12 P Amine bsorber s-stem 3P Amine "o,umn ($D7 $88 gs ($D4 to %

DES.,N .NTENT.ON o !upp,- $88 Fue, gses 8rom re8,u drum to % nit:C0

DRA*.N,S "!:1*0:PR:1:00217 "!:1*0:PR:1:0016

EBU.P/ENT !tripper Re8,u Drum 31*0:V:0047P Amine ($D31*0:V:01047 P Amine Absorber "o,umn31*0:":00C47 $88 gs ($D 31*0:V:014 7!our 9ter 8,s+ Drum31*0:V:014

STREA/ DETA."S F,s+ gs 8rom 8,s+ drum3V:014nd o88 gses 8rom Re8,u drum 3V:004 is co,,ected to ($D o8 P Amine bsorber co,umn 3":0104 9+ere it is treted 9it+ mine so,ution nd send to % or Fue, gs +eder



Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5

$88 gses 8rom re8,u drum to

($D o8 P Amine bsorber $88 gsesFue, gses Pmine ($D to %

*.0

*.0

6.*

2.6 : 6.C

112:1C1

12:*1

Nte+


12. P Amine Absorber s-stem3P Amine co,umn ($D7 $88 Gs($D4 to %

1. essNo 8,o9 1. P":C* m,8unctions to c,oseP"V:C*A%.

1. !-stem 9i,, be pressuri5ed 1. P!V:C1A% is provided

2. Pressuri5tion m- ,ed to o88 specproduct gs oi,

1. P#:0C is provide 9it++ig+ ,rm t ":002over+ed

C. #mproper 8,s+ing o8 '" in V:01 ,edingto '" crr-over 9it+!our 9ter.

1. A#:00C is provided

2. P#:0C is provide 9it++ig+ ,rm t ":002over+ed

2. ":1 m,8unctions to c,ose"V:1 9+en re;uired.

1. V:01 ,eve, 9i,, increse B i;uid m-crr-over 9it+ o88 gs8ue, gs

C0. $perting procedures+ou,d ensure periodic,c+ec<ing o8 G:2

DE"N$"

C. ":C0 m,8unctions to c,ose"V:C0 9+en re;uired. 1. V:010 ,eve, 9i,, increse B i;uid m-crr-over 9it+ o88 gs to ": 00C ,eds to8oming in ":00C.

C1. Periodic, c+ec<ing o8inter8ce inG:CC.

DE"N$"

*. ! disturbnce in ":002 1. No mjor conse;uence 8or t+is node

2. 'ig+ F,o9 1. P":C* m,8unctions to openP"V:C*A%.

1. "o,umn ,eve, in ":00C 9i,, increse. 1. ":C2 is provided 9it++ig+ ,rm.

2. ess remov, o8 '2! 8rom o88 gs 1. A:60 is provided 9it+'' ,rm.

2. '2! n,-5er 3A#:0024in t+e product ,ineindictes o88:spec o88 gs

C. !-stem pressure m- go do9n 1. A#:002 is provided 8ormonitoring.

2. Pressure trnsmitterP: is provided 9it+,o9 ,rm t top o8 ":00C.

2. ":1 m,8unctions to open"V:1 9+en re;uired.

1. Ric+ Amine m- bc<up to V:01 1. NRV is provided on , ineDA:01 c,ose to miing

point 9it+ DA:012.

C. ":C0 m,8unctions to open"V:C0 9+en re;uired.

1. !-stem 9i ,, 8ce ,o9 pressure. 1. Pressure trnsmitterP: is provided 9it+,o9 ,rm t top o8 ":00C.

6. 'ig+ Pressure 2. "+o<ing o8 Pc<ed %ed in ":00C

1. 'ig+ Pressure drop in "o,umn ,eding to#mproper '2! remov,.

1. PD#:C2 provided 9it++ig+ ,rm.

2. P!V:C1A% isprovided.

. 'ig+emperture

1. ! disturbnce 1. 'evier '" condenses in ":00C 1. #:20 t V:00 top isprovided 9it+ +ig+ ,rm.

C. Provide +ig+ ,rm t #:1.

DE"

2. #:1* on in,et o8 ":00C is provided 9it+ +ig+,rm.



HAZOP WORKSHEET



"!:1*0:PR:1:0017 "!:1*0:PR:1:0017 "!:1*0:PR:1:0017 "!:1*0:PR:1:0022

!tripper31*0:":00247!tripper bottoms pump31*0:P:0047!tripper 8eedbottom ec+nger31*0:EE:00647Gs oi, ir coo,er 31*0:EA:00C47Gs oi, trim coo,er 31*0:EE:0047 "o,escer 31*0:V:0047!,t dr-er 31*0:V:014

F":**27":C7":**

Re;$

1C.1.1.1.1

1C.1.1.2.1

1C.1.1.2.2

1C.1.2.1.1

1C.1.2.2.1

13.1.3.1

1C.1.*.1.1

1C.1..1.1

1C.1.6.1.1

1C.1..1.1

1C.1..1.2

1C.1..1.1

1C.2.1.1.1

1C.2.1.2.1

1C.2.2.1.1

1C.2.C.1.1

1C.*.1.1.1

1C..1.1.1

1C..1.1.1

1C..2.1.1

NODE NO+ 13 !tripper bottom to Gs oi, ir coo,er 7 "o,escer nd s,t dr-er to %

DES.,N .NTENT.ON o supp,- '-dro treted gs oi, 8rom !tripper %ottom to %.

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S !tripper bottoms is coo,ed in !tripper 8eed bottoms ec+nger7 Gs oi, ir coo,er nd Gs oi, trim coo,er. +en it is pssed to co,escer nd s,t dr-er to remove moisture. +en it is sent to %..




!tripper bottoms to 8eed bottomec+nger7 Gs $i, Air coo,er7rim coo,er Gs oi, From "o,escer to %..

6:22.1

*0.0

.C:11.

.0:.C

11C

1121*

Nte+


1C. !tripper bottom to Gs oi, Aircoo,er7 "o,escer nd !,t Dr-erto %

1. essNo 8,o9 1. P:00A% trips. 1. ":002 ,eve, 9i,, increse 1. ":C provided 9it++ig+ ,rm

2. !-stem pressure t pump P:00 ds 9i,,come do9n

1. /:C is provided 9it+'' ,rm B ctivtes /:1 to iso,te MP !temto":002

2.Pressure trnsmitter P:*** is provided 9it+ ,o9,rm do9nstrem o8 V:017 be8ore F"V:**2 on,ine P:10C.

2. ":CF":**2 m,8unctionsto c,ose F"V:**2.

1. !-stem 9i,, 8ce P:00 s+ut o88 pressure 1. !-stem is designed 8orpump s+ut o88 pressure.

2. eve, 9i,, increse in co,umn ":002.

1. !me s s8egurds 172 8or cuse 1 in t+isnode.

C. ":CF":** m,8unctionsto c,ose F"V:**3!trt:uprecircu,tion ,ine4.

1. !me s cuse 2 conse;uence1B2 o8 devition ,essno 8,o9 in t+is node.

*. M$V :00* in c,osed condit ion 1. Pump 9i,, run dr- i8 i t is strted. 1.!trt permissive isinc,uded s prt o8 s8e

gurding s-stem 8or PumpP:00A%.

. "+o<ing o8 co,escer in V:00

1. ":002 ,eve, 9i,, increse 1.PD#:1* provided 9it+'ig+ ,rm.

6. "+o<ing o8 s,t dr-er in V:01

1. ":002 ,eve, 9i,, increse 1. PD#:2C Provided 9it+'ig+ ,rm

. F":*C6 m,8unctions to c,oseF"V:*C6

1. Product ;u,it- upset 3F,s+ point 7su,8urcontent o8 Gs oi,4

1. !":012 is provided tpump disc+rge P:00

2. A#:00C is provided 8ormonitoring

. K/V:1 m,8unctions toc,ose

1. !me s cuse devition ,essno 8,o9in t+is node

1. F":*C6 provided 9it+,o9 ,rm.

2. 'ig+ F,o9 1. ":CF":**2 m,8unctionsto open F"V:**2.

1. eve, o8 ":002 m- go do9n. 1. /:C is provided 9it+ ,rm to ctivte /:12.

C. Provide +ig+ ,rm 8orF":**2.

DE"

2. Product ;u,it- m- get 88ected due to,ess residence time in V:00V:01 respective,-.

2. ":CF":** m,8unctionsto open F"V:**3!trt:uprecircu,tion ,ine4.

1. eve, o8 ":002 m- go do9n. 1. /:C is provided9it+ ,rm to ctivte /:12.

C. F":*C6 m,8unctions toopenF"V:*C6

1. V:00 boot ,eve, m- increse. 1. ":*2 is provided9it+ +ig+ ,rm.


1. P:00 A% trips 1. Gs oi, m- bc<up 8rom storge 1. NRV provided inRundo9n ,ine t %..

. o9 Pressure 1. ! disturbnce 1. P:00 cpcit- reduces nd ,eve, in

co,umn 9i,, rise.

1. /:C '' 9i,,

ctivte/:1 to c,ose K/V:1 on M.P stem ,ine.

. 'ig+emperture

1. EA:00C trips 1. i<e,- Poor per8ormnce o8 V:00V:01

1. 'ig+ ,rm providedt #:20C.

2. "oo,ing 9ter 8i,ure in EE:00

1. i<e,- Poor per8ormnce o8 V:00V:01

1. 'ig+ ,rm providedt #:20*.




1C..C.1.1

1C..C.1.2

13.11.1.1

1C.11.2.1.1

1C.11.C.1.1

1C.11.C.1.2

13.11.4.1

1C.11..1.1

12. $pertionMintennce 1C.12

C. "oo,ing medium 8i,ure inEE:006

1. i<e,- Poor per8ormnce o8 V:00V:01

1. 'ig+ ,rm providedt #:20C.

2. 'ig+ ,rm providedt #:20*.

11. Prob,emRe;uirements 1. Not Drining o8 s,t dr-er 1. =ter m- crr- over 9it+ diese, product. C. $perting procedures+ou,d ensure drining o8s,t dr-er t regu,r interv,sb- c+ec<ing G:*.

DE"N$"

2. oss o8 s,t in s,t dr-er 1. =ter m- crr- over 9it+ diese, product. 1. !":011 is provided 8orsmp,ing

C. e<ge t+roug+ !e, in P:00A%

1. Possib,e 8ire 1. Pump is provided 9it+doub,e mec+nic, se,

1. PB#D :001rev 17 to becorrectedccording,-

2. '/:0 is provided ts8e distnce to ctivte/:12.

*. ube ,e< in EE:00 1. !tripper bottom 9i,, ingress in coo,ing9ter ,ine

. "oo,ing 9ter smp,en,-sis to be consideredduring deti, engineering o8$!% s-stem

PM"N$"

. Vibrtion in Air coo,er 3EA:00C4 8ns

1. Possib,e dmge o8 EA:00C components 1. VA:00A% is provided9it+ +ig+ ,rm



<r)



HAZOP WORKSHEET



o !upp,- =i,d Np+t+ to %.

"!:1*0:PR:1:0017 "!:1*0:PR:1:00207 "!:1*0:PR:1:0021

!tripper $ver+ed is condensed nd sent to %. 8or storge. A prt is sent bc< to co,umn s re8,u.

":*27F":*C7F":**17":*0

Re;$ N$

1*.1.1.1.1

1*.1.2.1.1

NODE NO+ 1& !tripped over+ed s-stem

DES.,N .NTENT.ON

DRA*.N,S

EBU.P/ENT !tripper Air "ondenser31*0:EA:00247 !tripper rim "ondenser31*0:EE:0047!tripper Re8,u Drum31*0:V:0047 !tripper Re8,u Drum31*0:V:0047!tripper Re8,u Pumps31*0:P:00*A%4

STREA/ DETA."S




!tripper Re8,u

=i,d Np+t+ to !torge.

*

*

.:11.

6.0:11

10

26

Nte+


1*. !tripper $ver+ed s-stem 1. o9No F,o9 1. ! disturbnce3strippingstem 8i,ureo9 8eed in,ettemperture to ":0024

1. Product ;u,it- m- get 88ected3Gs oi,4 due to poor stripping.

1. A#:00C is provided onproduct ,ine

2. !":011 is provided

2. P:00*A% trips3re8,u4 1. V:00 ,eve, m- go +ig+ 11 ":*0 is provided9it+ +ig+ ,rm.

2. ":002 over+ed pressure Btemp. m- increse.

1.2 F":*C**1 isprovided 9it+ ,o9 ,rm

2.1 P#:0C is provided9it+ +ig+ ,rm.

2.2 P!V:C1A% isdesigned 8or re8,u 8i,ure

cse

C. F" *C m,8unctions to c,oseF"V:*C

1. !me s cuse 2 conse;uence1B2 o8 devition ,essno 8,o9 in t+is node.

*. F" **1 m,8unctions to c,oseF"V:**1

1. V:00 ,eve, m- go +ig+ 1. ":*0 is provided9it+ +ig+ ,rm.

. ":*0 m,8unction to c,ose"V:*0%F"V:**1

1. V:00 ,eve, m- go +ig+ 1. F":**1 is provided9it+ ,o9 ,rm.

2. 'ig+ F,o9 1. F" *C m,8unctions to openF"V:*C

1. "o,umn over+ed temperture m- comedo9n 9+ic+ ,ed to gs oi, product o88spec3F,s+ point4

1.1 !":011 is provided8or smp,ing

o9 ,rm t #:12 isprovided.

2. V:00 ,eve, m- come do9n 2.1 ":*0 is provided9it+ ,o9 ,rm.

2. F" **1 m,8unctions to openF"V:**1

1. V:00 ,eve, m- go do9n 1. ":*0 is provided9it+ ,o9 ,rm.

C. ":*0 m,8unction to open"V:*0%F"V:**1

1. V:00 ,eve, m- go do9n 1. F":**1F":*C isprovided 9it+ o9 ,rm

2. Pump 9i,, ,oose suction. 2. Re8er s8egurds 2.172.2 8or cuse 27 devition,o9no 8,o9 in t+is node.


1. P:00* A% trips 1. Reverse 8,o9 m- occur 8rom unit160200.

1. NRV is provided t%..

. o9 Pressure 1. D! disturbnce3P"V:C*A%8u,, open4

1. "rr- over o8 diese, in stripper over+ed.+evies in 9i,d np+t+ to unit :160200.No+5rdous conse;uences

2.1 ":*0 is provided9it+ +ig+ ,rm

2. P:00* disc+rge pressure 9i,, come do9n,eding to increse o8 ,eve, in V:00.

2.2 F":*C nd F":**1re provided 9it+ ,o9,rm

. 'ig+emperture

2. EA:002 trips 1. 'evier +-drocrbon crr-over 9it+ $88gs to upset ":00C

1.1F#:*C is provide 9it++ig+ ,rm

*1. $perting procedures+ou,d ensure drining o8+-drocrbon 8rom ":00Ct+roug+ s<im ,ine during8i,ure o8 EA:002

DE"N$"

2. eve, o8 V:00 m- come do9n 9+ic+,eds to re8,u 8i,ure7

2.1P#:0C is provided 9it++ig+ ,rm.




12. $pertionMintennce

2.2P!V:C1A% isdesigned 8or re8,u 8i,urecse

2.C#:20 is provided 9it++ig+ ,rm

Po9er supp,- to EA:0028n motors 8rom di88erentsources is provided.

C. "oo,ing 9ter 8i,ure in EE:00

1. !me s cuse 2 conse;uence1B2 bove.

11. Prob,emRe;uirements 1. ube ,e< in EE:00 1. !tr ipper over +ed 9i,, ingress in coo, ing9ter ,ine

. "oo,ing 9ter smp,en,-sis to be consideredduring deti,engineering o8 $!%s-stem

PM"N$"

2. Vibrtion in Air coo,er 3EA:0024 8ns

1. Possib,e dmge o8 EA:002 components 1. VA:00006 isprovided 9it+ +ig+ ,rm



<r)



HAZOP WORKSHEET



"!:1*0:PR:1:001C7 "!:1*0:PR:1:001*7 "!:1*0:PR:1:001

M<e p Gs "ompressor (.$.Drum 31*0:V:00247 M<e:up "ompressor 31*0:(:001A%47 M<e:up "ompressor #nter stge "oo,er 31*0:EE:00A%47 M<e:p "ompressor #nterstge (.$. Drum 31*0:V:00CA%4.

Re;$

NODE NO+ 1 M<eup '2 "ompressor !-stem

DES.,N .NTENT.ON o m<e up '-drogen supp,- to m<e:up "ompressor.

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S M<e up +-drogen comes 8rom %.. to (.$.Drum to remove n- ,i;uid content nd compressed to brg




'-drogen 8rom %..

.

* 20 2*

Nte+


1. M<eup '2"ompressor s-stem

1. o9No F,o9 1. ! disturbnce 1. essNo +-drogen m<e up to rectionsection

1.1 F#:*C2 is provided9it+ ,o9 ,rm.

2. !uction pressure o8 compressor m- godo9n

2.1 P":CC is provided9it+ ,o9 ,rm

2.2 P/:CP/:6 ,rm 9i,, ctivte /:0 to trip (:001A%

Note:1C is provided inPB#D stting t+t sign,s8rom non runningcompressor instrumentss+,, not be used 8orcontro, nd trip o8 t+erunning compressor.

2. (:001A% trips 1. No +-drogen m<e up to rection section 1. !tndb- compressoris vi,b,e. 1. "ompressors8egurds nds-stem s+ou,d be'5oped 9+en t+evendor in8ormtionis vi,b,e duringdeti,edengineering.

C. K/V:0 M,8unction to c,ose 1. No +-drogen m<e up to rection section 1.1 P":* is provided9it+ +ig+ ,rm

2. "ompressor disc+rge m- eperience+ig+ pressure.

2.1 !pi,, bc< ,ine isprovided.

2.2 F#:*C2 is provided9it+ ,o9 ,rm

*. F":*C1P":CCP":*m,8unctions to open F"V:*C13M<eup ,ine4

1. ess +-drogen m<e up to rectionsection

1. F#:*C2 is provided9it+ ,o9 ,rm

. F":*C1P":CC P":*m,8unctions to c,ose F"V:*C13!pi,, bc< ,ine4

1. !-stem pressure m- go +ig+ 1. P":* is provided9it+ +ig+ ,rm

2. P!V:C16C1 isprovided.

6. P":22 m,8unction to c,oseP"V:223+-drogen to nit:2004

1. No mjor concern s t+is ,ine isNNF.

. P":22 m,8unction to openP"V:223M<e up ,ine4

1. !-stem ds P"V:22 m- eperience+ig+ pressure.

1. P!V:2A% isprovided.

2. 'ig+ F,o9 1. F":*C1P":CCP":*m,8unctions to c,ose F"V:*C13M<eup ,ine4

1. Re8er cuse 7 o9No 8,o9 in t+is node.

2. F":*C1P":CC P":*m,8unctions to open F"V:*C13!pi,, bc< ,ine4

1. Re8er cuse *7 o9No 8,o9 in t+is node.

C. P":22 m,8unction to openP"V:223+-drogen to nit:2004


*. P":22 m,8unction to c,oseP"V:223M<e up ,ine4



1. (:001A% trips. 1. Rec-c,e gs m- bc<8,o9 in t+e s-stem 1. NRV is provided inm<e up +-drogen ,ine toRec-c,e gs.

2. /:0 9i,, c,oseK/V: 0

2. ! disturbnce t nit1003strt up ,ine to V:004

1. $88 gs m- bc< up in t+e s-stem NRV is provided t t+e junction o8 ':162 nd P:0 on ,ine ':162.




. o9 Pressure 2. "ompressor m,8unctioning 1. ess m<eup +-drogen 8,o9 toRection section

1. P#:0C60C isprovided 9it+ ,o9 ,rm

1. o berevie9ed duringdeti, engineering'A/$P 9+envendor in8ormtionis vi,b,e.2. P/:CA6A is

provided 9it+ ,rm toctivte /:0.

C. Note:1C is provided inPB#D stting t+t sign,s

8rom non runningcompressor instrumentss+,, not be used 8orcontro, nd trip o8 t+erunning compressor.

6. 'ig+ Pressure 2. "oo,ing 9ter 8i,ure 8or EE:00A%

1. V:00CA% pressure m- go +ig+ 1. P#:0C60C isprovided 9it+ +ig+ ,rm.

. 'ig+emperture

1. "oo,ing 9ter 8i,ure in EE:00A%

1. "ompressor m- get dmge 1. #:222C0provided9it+ +ig+ ,rm.

2. #:1012 isprovided 9it+ 'ig+ ,rm.

C. /:111C '' ,rm9i,, ctivte /:0.

*. Note:1C is provided inPB#D stting t+t sign,s8rom non runningcompressor instrumentss+,, not be used 8orcontro, nd trip o8 t+e

running compressor.

2. "ompressor 3(:001A%4m,8unctions

1. "ompressor m- get dmge 1. #:2C12CC isprovided 9it+ 'ig+ ,rm


C. /:111C '' ,rm9i,, ctivte /:0.

*. /:2C22C* '' ,rm=i,, ctivte /:0.

. Note:1C is provided inPB#D stting t+t sign,s8rom non runningcompressor instrumentss+,, not be used 8orcontro, nd trip o8 t+erunning compressor.

C. "oo,ing 9ter 8i,ure in EE:00*

1. "ompressor m- get dmge 1. #:1 is provided9it+'' ,rm

2. #:2C12CC isprovided 9it+ 'ig+ ,rm

C. #:1012 isprovided 9it+ 'ig+ ,rm.

*. /:111C '' ,rm9i,, ctivte /:0.

. /:2C22C* '' ,rm=i,, ctivte /:0.

*. "oo,ing 9ter 8i,ure in EE:00

1. '-drogen to %. 9i,, go t 'ig+temperture7 possib,e dmge in ds

1. #:211 is provided9it+ +ig+ ,rm

1. "onsider "=8i,ure in EE:00during deti,engineering o8 nit:200.

. ! disturbnce 1. "ompressor m- get dmge 1. #:2C12CC isprovided 9it+ 'ig+ ,rm

*. Provide 'ig+ ,rm t#:16.

DE"


C. /:111C '' ,rm9i,, ctivte /:0.

*. /:2C22C* '' ,rm=i,, ctivte /:0.

10. 'ig+ eve, 1. ! disturbnce 1. "ompressor m- get dmge due tocrr-over o8 ,i;uid.


2. /:2616* '',rm 9i,, ctivte /:0 to trip compressor.





C. Note:1C is provided inPB#D stting t+t sign,s8rom non runningcompressor instrumentss+,, not be used 8orcontro, nd trip o8 t+erunning compressor.

11. Prob,emRe;uirements 1. ube ,e< in EE:00*00A00%00

1. '-drogen m- ingress in coo,ing 9ter.No mjor concern 8or

sm,, ,e<. For mjor ,e< s-stem 9i,, ,oose+-drogen nd compressor suction pressurem- go do9n.

1. P":CC is provided9it+ ,o9 ,rm

1. '-drogeningress in "oo,ing

9ter s+ou,d beconsidered duringdeti, engineeringo8 coo,ing 9ters-stem.



<r)



HAZOP WORKSHEET



"!:1*0:PR:1:002C7 "!:1*0:PR:1:002

Re;$

NODE NO+ 1% "+emic, #njection pc<ge

DES.,N .NTENT.ON "+emic, injection to prevent "orrosionundesirb,e upsets in process.

DRA*.N,S

EBU.P/ENT Anti8oming Agent Anti $idnt !u,8iding AgentAnti 8ou,nt "orrosion #n+ibitor injection!-stem

STREA/ DETA."S Anti8oming Agent Anti $idnt !u,8iding AgentAnti 8ou,nt "orrosion #n+ibitor injection!-stem




!u,8iding Agent

Anti8ou,nt"orrosion #n+ibitor Anti8oming Anti $idnt

Ambient

Ambient Ambient Ambient Ambient

1.:.

0.0:*.00:10.0:11120:.

1600

1*.01.60.C*0.11

6.0

Nte+


16. "+emic, #njection !-stem 1. o9No F,o9 1. P:00A trips3 duringsu,8idtion4

1. Disc+rge pressure 9i,, go do9n.De,-ing in su,8iding process.

1. !u,8iding process isttended ctivit-7 G:* is provided 8ormonitoring.

2. !top ,rm in D"! isprovided 8or c+emic,injection pumps.

2. P:00A trips 1. Disc+rge pressure 9i,, go do9n.Rector circuit m- get 8ou,ed.

1. G:0 is provided 8ormonitoring.

*6. $perting procedures+ou,d ensure periodic,c+ec<ing o8 "+emic,injection pumps.

DE"N$"


C. P:011A trips 1. Disc+rge pressure 9i,, go do9n."orrosion in stripper over+ed circuit.

1. G:C is provided 8ormonitoring.

*6. $perting procedures+ou,d ensure periodic,

c+ec<ing o8 "+emic,injection pumps.

DE"N$"


*. P:010A trips 1. Disc+rge pressure 9i,, go do9n.Possib,e Foming in ":00100C

1. G:*6 is provided 8ormonitoring.


DE"N$"

2. !top ,rm in D"! is

provided 8or c+emic,injection pumps.

. P:012A% 1. Disc+rge pressure 9i,, go do9n.Possib,e gum 8ormtion in product

1. G: is provided 8ormonitoring.


DE"N$"


6. Nitrogen 8i,ure 1. Disc+rge pressure 9i,, go do9n.Possib,e detorition o8 c+emic,s due to iringress.

1. DE" s+ou,densure t+ere;uirement o8

nitrogenb,n<eting duringdeti,engineering.3,oc,environment,regu,tions4

2. 'ig+ F,o9 1. 'ig+ stro<e in P:00A 1. Possib,e dmgereduced ,i8e o8 rectorct,-st.

1. !u,8iding process is ttended ctivit-.

*. ReverseMisdirected

F,o9

1. Reverse 8,o9 8rom unit *00 1. possib,e contmintion NRV is provided on ,ine "":

020 ner %..

1. Drining o8

t+e $!% ,ine tobe revie9edduring deti,engineering o8nit *00.

2. Reverse 8,o9 8rom P:001suction ,ine.

1. Rector circuit m- get 8ou,ed. 1.1 NRV is provided on t+e,ine

2. De,- in su,8iding process3during su,8idingopertion4

2.1 NRV is provided on t+e,ine

C. Reverse 8,o9 8rom ":002

over+ed.

1. !tripper over+ed bc<8,o9s. 1. NRV is provided on t+e

,ine

*. Reverse 8,o9 P:00C !uction,ine":00C

1. en mine bc<8,o9s 1. NRV is provided on t+e,ine

1. Ensure indeti, engineeringt+t miing pointo8 nti8om gentis c,ose to P:00CA% suction.




. Reverse 8,o9 o8 gs oi,product to P:012A

1. Gs oi, bc<8,o9s to nti oidnt drum. 1. NRV is provided on t+e,ine.

6. 'ig+ Pressure 1. D! disturbnce 1. ,essno 8,o9 o8 c+emic,s 1. P!V:C0*C01C2C22

. o9 eve, 1. ,o9 ,eve, in tn<s 1. Pump 9i,, run dr-. *. $perting procedures+ou,d ensure properc+ec<ing o8 ,eve,s inc+emic, injection tn<s.

DE"N$"



<r)



HAZOP WORKSHEET



"!:1*0:PR:1:002*7 "!:1*0:PR:1:0026

'-dro treting rector 8eed 'eter 31*0:':0014

P":027P":2C7":001

Re;$

NODE NO+ 1F Fue, oi,7 Fue, gs nd 'eter Firing s-stem.

DES.,N .NTENT.ON o !upp,- 8ue, gs8ue, oi, to rector 8ire +eter.

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S 'eter is Du, 8ired




Fue, GsFue, $i,

210

C.11

*1661

Nte+


1. Fue, oi,7 Fue, gs nd'eter Firing !-stem

1. o9No F,o9 1. P" :02 m,8unctions toc,oseP"V:0238ue, gs ,ine4

1. oss o8 8iring o8 8ue, gs m- ,ed toprocess upset

1. Fue, oi, is provided s,ternte 8ue, to providede;ute 8iring 8rom":001.

2. Fue, gs pressure m- come do9n. 2. P/:21 is ,o9 ,o9 ,rm toctivte /:1.

2. K/V:1A" m,8unctions toc,ose38ue, gs ,ine4

1. !me s "use 1 bove.

C. K/V:1EF m,8unctions toc,ose3pi,ot gs ,ine4

1. Pi,ot 8,me 9i,, ,oss 1. Pi,ot 8,me scnner 3%/!:00100200C4 is provided

2. P/:2C is provided 9it+ ,o9,o9 ,rm toctivte /:1.

*. P":2C m,8unctions to c,oseP"V:2CA3Fue, oi, ,ine4

1. oss o8 8iring o8 8ue, oi, m- ,ed toprocess upset

1. Fue, gs is provided s,ternte 8ue, to providede;ute 8iring 8rom":001.

2. Fue, oi, pressure m- come do9n. 2. P/: is provided 9it+ ,o9,o9 ,rm toctivte /:1.

. K/V:1N m,8unctions toc,ose3Fue, oi, ,ine4

1. !me s "use * bove.

6. PD":26 m,8unctions to

c,oseP"V:26

1. oss o8 8ue, oi, 8,me 1. PD/:60 is provided 9it+

,o9 ,o9 ,rm to ctivte /:1.2. Fue, oi, spi,,ge in +eter ,eding toburner tip c+o<ing.

C. !tem pressure m- come do9n

. ! disturbnce in 8ue, gs 1. Re8er cuse 17"onse;uence 1 Low alarm is provie at P!"854#.L .

. ! disturbnce in 8ue, oi, 1. Re8er cuse *7"onse;uence 1 Addtion, pressure trnsmitter9it+ ,o9 ,rm in D"! isprovided.

. ! disturbnce in tomi5ing!tem ,ine

1. Re8er cuse 67 "onse;uence 1 1. P#:0 is provided 9it+ ,o9,rm.

10. !triner c+o<ing. 1. Possib,e ,oss o8 8ue, m- ,ed to 8,me8i,ure.

1. PD# :2 is provided 9it++ig+ ,rm3Fue, gs ,ine4

2. PD#: is provided 9it++ig+ ,rm3Fue, oi, ,ine4

C. A,, striners re provided9it+ spre 8or c+nge over.

11. P":'"V:C0m,8unctions to c,ose.

1. %o pressure 9i,, increse. 1.1 P/:00 is provided 9it+ '',rm to ctivte to trip /:1.

2. ess ir 8,o9 m- ,ed to incomp,etecombustion.

2.1 A#:00* provided 8ormonitoring.

C. %o temperture ,i<e,- to increse C.1 3C.14#:102 is provided 9it++ig+ ,rm.

$2"$ n,-5er 3Forcombustion contro,47 9oPo,,ution Monitoring No55,es 8ormonitoring purpose re

provided.

12. 10:FA:001"D "+o<ing 1. nit 100 m- get disturbed. 1. PD#:010 is provided 9it++ig+ ,rm

2. !pre F,me rrestor isprovided.

2. 'ig+ F,o9 1. P":2C m,8unctions to openP"V:2CA3Fue, oi, ,ine4

1. Possib,e #mproper tomi5tion m- ,edto 8,me ,oss.

1.1 3PD/:60 9it+ ,rm 9i,,ctivte /:1.





2. !pi,,ge t burner tip ,eding to burnerc+o<ing.

C.1 P/: 9it+ '' ,rm 9i,,ctivte /:1.

C. Fue, oi, pressure 9i,, increse nd it m-bc< 8,o9 in stem ,ine

NRV is provided on stem ,ineto ec+ burner 8ter s+ut do9nv,ve.

2. P" :02 m,8unctions toopen

P"V:0238ue, gs ,ine4

1. F,me ,i8ting m- occur7 ,eding to +ig+erube met, temperture.

1. #:121122 is provided 9it++ig+ ,rm

2. Fue, gs ,ine operting pressure 9i,,increse

2. P/:21 '' ,rm 9i,,ctivte /:1 to trip +eter.

C. PD":26 m,8unctions toopenP"V:26

1. F,me ,i8ting m- occur7 ,eding to +ig+erube met, temperture.

1. #:121122 is provided 9it++ig+ ,rm

2. !tem ,ine operting pressure 9i,,increse

2. 'ig+ ,rm t P#:6C isprovided.

*. P":'"V:C0m,8unctions to open.

1. Fue, e88icienc- m- decrese. 1. $-gen n,-5er A#:00* isprovided 8or monitoring

2. Dr8t 9i,, be incresed7 no mjor concern. 2. P#:0* is provided 8ormonitoring.

. o9 Pressure C. ! disturbnce 3o88 gs8romPG Mero4

1. F,me m- propgte bc< to ,ine 1. F,me Arrester 10:FA:001 is provided.

. o9emperture

1. ! disturbnce 38ue, gs,ine4

1. "rr-over o8 condenste 9it+8ue, gs ,ine ,eding to c+o<ing o8 t+e burner

1. !tem trcing is providedds V:02

2. ! disturbnce 38ue, oi, ,ine4 1. #mproper tomi5tion m- ,ed to soot-

8,me3incomp,ete combustion4

o9 ,rm t #:C2 is

provided.

C. !tem trcing 8i,ure in 8ue,oi, ,ine.

1. #mproper tomi5tion m- ,ed to soot-8,me3incomp,ete combustion4

o9 ,rm t #:C2 isprovided.

. 'ig+emperture

1. ! disturbnce 3Fue, oi,supp,-4

1. Vpor ,oc< o8 burner m- occur. 1. #t isssumed t+tFue, oi, is+omogenousmiture.

10. 'ig+ eve, 1. 'ig+ ,eve, in V:02 1. i;uid m- crr- over 9it+ 8ue, gs 1. #:0 is provided 9it+'ig+ ,rm

6. $perting procedures+ou,d ensure drining o8+-drocrbon 8rom V:02

periodic,,-.

DE"N$"

2. /:10 '' ,rm 9i,,ctivte /:1.

11. Prob,emRe;uirements 1. 'evies in 8ue, gs 1. #mproper 8iring nd possib,e burnerc+o<ing.

1. V:02 is provided

2. o9No 8,o9 o8 M.Pstem3during deco<ingdr- outopertion4

1. 'ot spot m- pper 1. F#:*0A is provided 9it+ ,o9,rm

. !tndrd opertingprocedure to be mde 8ordeco<ingdr- outopertion.

DE"N$"

2. #:121222 is provided 9it++ig+ temp.,rm



<r)



HAZOP WORKSHEET



"!:1*0:PR:1:00C07 "!:1*0:PR:1:002*7 "!:1*0:PR:1:000*7 "!:1*0:PR:1:00127 "!:1*0:PR:1:00117 "!:1*0:PR:1:001

stem vi desuper+eter.

!"V:0027"V:2C

Re;$

NODE NO+ 1G 'PMP !tem B MP %F=

DES.,N .NTENT.ON o supp,- 'P stem 7MP stem nd MP %F=

DRA*.N,S

EBU.P/ENT '-drotreter Rector Feed 'eter 31*0:':00147!trt:p Ejector 31*0:H:00147Rec-c,e"ompressor !tem urbine 31*0:(:0147MP !tem Desuper+eter 31*0:D!:0014

STREA/ DETA."S 'P stem7 MP !tem nd MP %F= 9i,, be supp,ied 8 rom % to nit. 'P stem 9i,, be send to RG" urbine 8rom 9+ere it converts to MP stem nd some mount send to !tripper co,umn nd rest is send to t+e return +eder o8 MP



Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5g<r)'P !EAMMP !EAMMP %F=

C1*12

C.102*

2*C1006

Nte+


1. 'PMP !temB MP %F=

1. o9No F,o9 1. ! disturbnce 3'P !temFi,ure4

1. (:002 trips 1. P#:10 is provided9it+ ,o9 ,rm.

2. MP stem go bc< to stripper 8rom min+eder vi D!:001

1. !+utdo9n o8 D!:001is considered 9+en(:002 trips

2. 1. ! disturbnce 3MP !temFi,ure4

1. No supp,- o8 tomi5tion o8 8ue, oi, inFired +eter

1. F#:0* is provided9it+ ,o9 ,rm

2. No supp,- o8 MP stem 8or deco<ing9+en re;uired

2. P#:0 is provided9it+ ,o9 ,rm.

C. ! disturbnce 3MP %F= Fi,ure4 1. MP stem temp. =i,, be +ig+. 1. o berevie9ed duringdeti, engineering'A/$P 9+envendorin8ormtion isvi,b,e.

*. ":2C m,8unctions to c,ose"V:2C

1. !me s cuse C conse;uence1 bove.

2. 'ig+ F,o9 1. ":2C m,8unctions to open"V:2C

1. %F= m- enter MP stem ,ine +eder,eding to +mmering.

1. !tem trp isprovided.

. o9 Pressure 1. ! disturbnce 3'P !temFi,ure4

1. (:002 m- get tripped 1. P#:10 is provided9it+ ,o9 ,rm.

2. !+utdo9n o8 D!:001is considered 9+en(:002 trips

2. 1. ! disturbnce 3MP !temFi,ure4

1. Atomi5tion o8 8ue, oi, in Fired +eter m-get 88ected.

1.1 F#:0* is provided9it+ ,o9 ,rm

1.2 'ig+ ,rm t P#:6C is provided.

2. No supp,- o8 MP stem 8or deco<ing9+en re;uired

2.1 P#:0 is provided9it+ ,o9 ,rm.

C. ! disturbnce 3MP %F= Fi,ure4 1. MP stem temp. 9i,, be +ig+. 1. o berevie9ed duringdeti, engineering'A/$P 9+envendorin8ormtion isvi,b,e.

6. 'ig+ Pressure 1. ! disturbnce 3'P !tem +ig++eder pressure4

1. (:002 m- get tripped 1. P#:10 is provided9it+ +ig+ ,rm.

1. o berevie9ed duringdeti, engineering'A/$P 9+envendorin8ormtion isvi,b,e.

2. 1. ! disturbnce 3MP !tem +ig++eder pressure 4

1. Atomi5tion o8 8ue, oi, in Fired +eter m-get 88ected. Re8er cuse C7 "onse;uence 1o8 devition +ig+ 8,o9 o8 node 1.

1. F#:0* is provided9it+ +ig+ ,rm

2. P#:0 is provided9it+ +ig+ ,rm.

C. ! disturbnce 3MP %F=+ig+ pressure4

1. No mjor concern 1. o berevie9ed duringdeti, engineering'A/$P 9+envendorin8ormtion isvi,b,e.



HAZOP WORKSHEET



"!:1*0:PR:1:00C2

Rector E88,uent trim coo,er31*0:EE:00C47'-drogen coo,er31*0:EE:0047 '-drogen m<eup <ic< bc< coo,er31*0:EE:00*47 M<e up compressor interstge coo,er 31*0:EE:00A%47

!tripper trim condenser31*0:EE:0047Gs oi, trim coo,er31*0:EE:004

P":CC07":017":07F":*0A%7F":*07":117F"V:*C6

Re;$


NODE NO+ 1 "oo,ing =ter

DES.,N .NTENT.ON "oo,ing 9ter supp,- to ec+ngers

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S "oo,ing 9ter is supp,ied to ,, coo,ing 9ter ec+ngers 8rom % nd simi,r,- coo,ing 9ter return 8rom ,, ec+ngers to +eder




"oo,ing 9ter supp,-

"oo,ing 9ter return

CC

**

*

C

6*11

6*11

Nte+


1. "oo,ing 9ter s-stem 1. o9No F,o9 1. ! disturbnce 1. "oo,ing 9ter ec+ngers 9i,, be strved 1. P#:16 is provided9it+ ,o9 ,rm

. 'ig+emperture

1. ! disturbnce 1. Desired coo,ing o8 process strem is notc+ieved in 9ter coo,ed ec+ngers

1.1 'ig+ temp. ,rm onprocess out,et side isprovided on ,, critic,coo,ing 9terec+ngers

2. Epected +ig+ return temperture o8coo,ing 9ter

2.1 #:1 is provided9it+ +ig+ ,rm

11. Prob,emRe;uirements 1. Possibi,ities o8 coo,ing 9termisdistribution

1. #nsu88icient coo,ing in some ec+ngers '-dru,ic "+ec< iscrried out bsed onctu, p,nt ,-out.

1. $pertion toensure properdistribution o8coo,ing 9terduring strtup



<r)



HAZOP WORKSHEET



"!:1*0:PR:1:00C17 "!:1*0:PR:1:00CC7 "!:1*0:PR:1:00C*

P":CC07":017":07F":*0A%7F":*07":117F"V:*C6

Re;$

NODE NO+ 20 Portb,e!ervice =ter7 P !tem7 P,nt #nstrument Air nd Nitrogen

DES.,N .NTENT.ON o supp,- Portb,e!ervice =ter7 P !tem7 P,nt #nstrument Air nd Nitrogen

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S Portb,e!ervice =ter7 P !tem7 P,nt #nstrument Air nd Nitrogen 9i,, be supp,ied 8rom% to 'ose sttion.




P stem!ervice 9ter

Potb,e 9terP,nt ir#nstrument irNitrogen

12 Amb.

Amb. Amb. Amb. Amb

*C

C*.6.1

Nte+1' Cn;irme# ?9 DEC 2$ 4l> rate is ?ase# n startu! an# s<ut#>n reuirement


20. Portb,e!ervice =ter7 P!tem7P,nt#nstrument Airnd Nitrogen

1. o9No F,o9 1. ! disturbnce3Potb,e9ter4

1. =ter is not vi,b,e t e-e 9s+8ountin nd 8or drin<ing

o9 ,rm on P#:1is provided.

2. ! disturbnce3!ervice9ter4

1. A,, +ose sttions 9i,, run dr-. No mjorconcern.

C. ! disturbnce3P,nt Air4 1. P,nt ir 9i,, not be vi,b,e t +osesttions. No mjor concern.

2. P,nt ir is not vi,b,e 8or deco<ing o8+eter 9+en re;uired. No mjor concern.

*. ! disturbnce3#nstrument

Air4

1. #nstrument ir pressure 9i,, come do9n

,eding to unit s+ut do9n

1. P#:02 is provided

9it+ ,o9 ,rm.

. ! disturbnce3Nitrogen4 1. No,o9 pressure o8 nitrogen 8or b,n<etingnd purging7 m- ,ed to +5rds

1. P#:06 is provided9it+ ,o9 ,rm.

1.!8egurdsto berevie9edduringdeti,engineering9+encomp,etein8ormtionis vi,b,e

6. ! disturbnce3P !tem4 1. Noo9 8,o9 in +eder 9i,, resu,t in ,o9pressure o8 snu88ingpurging stem vi,b,e9+en re;uired

1. P#:*6 is provided9it+ ,o9 ,rm.

6. 'ig+ Pressure 1. ! Disturbnce3P stem4 1. !-stem m- eperience +ig+er t+n t+eoperting pressure

1. P#:*6 is provided9it+ +ig+ ,rm.



l> rate (5g<r)

2110003141000314

121

*C0324



HAZOP WORKSHEET



Re;$

NODE NO+ 21 F,re !-stem

DES.,N .NTENT.ON o vent P!V disc+rge gses to min 8,re +eder

DRA*.N,S "!:1*0:PR:1:00C7 "!:1*0:PR:1:00C

EBU.P/ENT F,re (.$ drum31*0:V:02C47 F,re (.$ drum pump31*0:P:01A%4

STREA/ DETA."S P!V disc+rge co,,ected in F,re (.$ drum 31*0:V:02C4 9+ere ,i;uid nd gseous p+se is seprted .i;uid '" is sent to s,op +eder t+roug+ 8,re (.$. drum pump 31*0:P:01A%4 nd gseous '" is sent to min 8,re +eder 8or burning.



Tem!erature(@C) Pressure ( ?ar g) 4l> rate (5g<

F,re Gs From F,re

($D to F,re +eder F,re ($D"%D Pump to!,ops n<

*

0.2

.

*

Nte+1' Cn;irme# ?9 DEC


21. F,re s-stem 1. o9No F,o9 1. ! disturbnce3No 8,o9 o88ue, gs to 8,re +eder4

1. Possib,e ir ingress in 8,re +eder o9 ,rm t P#:*3,octed t %..4 isprovided.

2. !:06 m,8unctions to trip

P:01A%

1. V:02C ,eve, m- increse ,eding to ,i;uid

over,oding in 8,re +eder nd do9nstrems-stem.

1. #:0 provided 9it+

+ig+ ,rm.

1. Revie9 o8

!:C1 to bedone duringdeti,engineering.

. o9 eve, 1. !:06 m,8unctions 7notstopping t+e pump:01A%.

1. Pump 9i,, run dr-. 1. #:0 is provided 9it+,o9 ,rm.



)



HAZOP WORKSHEET



Nte+

Re;$


NODE NO+ 22 Amine !-stem

DES.,N .NTENT.ON o co,,ect drined Amine

DRA*.N,S "!:1*0:PR:1:00*C7 "!:1*0:PR:1:00**

EBU.P/ENT Amine drin drum 31*0:V:02247 Amine drin drum pump 31*0:P:01*A%4

STREA/ DETA."S Amine e88,uent co,,ected in Amine drin drum 31*0:V:0224 9+ere ,i;uid nd gseous p+se is seprted .i;uid '" is sent to AR nit t+roug+ mine drin pump3 1*0:P:01*A%4 nd gseous '" is sent to 8,re +eder 8or burning.




Amine 0.2 26C*


22. Amine drin s-stem 1. o9No F,o9 1. !:01 m,8unctions7 notstrting P:01*A

1. eve, o8 V:022 9i,, increse # on V:022 isprovided.

1. Revie9 o8 !:CC tobe done during deti,engineering.


1. P:01*A trips 1. Ric+ Amine m- bc<up to V:022 8rom AR

1. NRV is providedt pump disc+rge.

. o9 eve, 1. !:01 m,8unctions 7notstopping t+e pump:01*A

1. Pump m- run dr- # on V:022 isprovided.

11. Prob,emRe;uirements 1. Purging o8 V:022 9it+ nitrogen 1. M- ,ed to +5rd 88ecting p,ntpersonne, nd propert-.

!eprte nitrogenconnection to t+edrum s 9e,, sseprte vent to 8,re,ine 9it+ ,oc< openv,ve nd NRV isprovided.



<r)



HAZOP WORKSHEET



o co,,ect drined +-drocrbon 8rom di88erent e;uipments

"!:1*0:PR:1:00C7 "!:1*0:PR:1:00*0

'-drocrbon drin drum 31*0:V:02147 ",osed drin drum pumps 31*0:P:01CA%4

'" e88,uent co,,ected in '" drin drum 1*0:V:021 9+ere ,i;uid nd gseous p+se is seprted .i;uid '" is sent to !$P t+roug+ c,osed drin pump 1*0:01CA% nd gseous '" is sent to 8,re +eder 8or burning.

Nte+

Re;$


NODE NO+ 23 '-drocrbon drin s-stem

DES.,N .NTENT.ON

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S




'-drocrbon *0 0.2 00


2C. '-drocrbon drin s-stem 1. o9No F,o9 1. !:02 m,8unctions7 notstrting P:01CA

1. eve, o8 V:021 9i,, increse # on V:021 isprovided.

1. Revie9 o8 !:C2 tobe done during deti,engineering.


1. P:01CA trips 1. '" m- bc<up to V:021 8rom s,ops+eder

1. NRV is providedt pump disc+rge.

. 'ig+emperture

1. Drining +ot '" mteri, 1. !-stem m- eperience +ig+er t+n t+edesign temperture

1. #:20 is provided9it+ +ig+ ,rm

66. $perting procedures+ou,d prevent drining o8 +ot+-drocrbon in '-drocrbondrin drum.

DE"N$"

. o9 eve, 1. !:02 m,8unctions 7notstopping t+e pump:01CA 1. Pump m- run dr- # on V:021 isprovided.

11. Prob,emRe;uirements 1. Purging o8 V:0219it+nitrogen

1. M- ,ed to +5rd 88ecting p,ntpersonne, nd propert-.

!eprte nitrogenconnection to t+edrum s 9e,, sseprte vent to 8,re,ine 9it+ ,oc< openv,ve nd NRV isprovided.



<r)



HAZOP WORKSHEET



"ondenste co,,ection s-stem

o co,,ect condenste 8rom di88erent trps

"!:1*0:PR:1:00*1

"ondenste 8rom stem trps is co,,ected in PMP'P +eders B drined to ND 8ter coo,ing




Nte+

Re;$

NODE NO+ 2&

DES.,N .NTENT.ON

DRA*.N,S

EBU.P/ENT

STREA/ DETA."S

SER:.CE 4l> rate (5

"ondenste 3=ter4 in PMPcondenste +eder "ondenste 3=ter4 in 'Pcondenste +eder

102

102

0.1

0.1

10C0

C0


2*. "ondenste "o,,ections-stem

final hazop nocl dhds sei

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