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(API-579 Part 5 Level -1 ASS

Vessel Tag

Component

Component Type

Design Code

Material

Design Pressure

Design Temperature

Outside Diameter

Inside Diameter

Nominal Thickness

Allowable tresses

!uture corrosion Allowance

"O

#eld $oint %&ciencyDistance 'rom nearest tructural Discontinuity

"ongitudnal (rid i)e

Circum'erential (rid i)e

Step 1 :-

Circum'erential Ins

C* C+ C, C-

"ongitudnalInspect

ion

Plane

M* 12.00 12.00 12.00 12.00

M+ 12.00 12.00 12.00 12.00M, 12.00 12.00 11.00 10.00

M- 12.00 12.00 10.00 9.00

M. 12.00 12.00 12.00 10.00

M/ 12.00 12.00 12.00 12.00

M0 12.00 12.00 12.00 12.00

FFS AND LIFE EXTENSION S

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

12.0

0

12.0

0

10.0

0

9.0

0

Step 2 :-

Determine #all thickness to be used in the assessment

Step 3 :-Thickness pro2les are pro4ided5 th

"ong6CTP

tc

tmm

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

Code check 'or "ons

Step 4 :-

Step 5 :-

Checking limiting 8aw si)e criteria9

*3

.6

-

=

c

t

t

FCAtmmR

=c

Dt

s285.1

Ftmm

(

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

I!t!a

Step 6 :-

Calculation o' MA#P

MA

MA

== ],min[ LCMAWPMAWPMAWP

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

Step 7 :-

Entering the following Figure with these Values

T'e l#!t&!al e*tet #$ t'e +a

Code check 'or Circu

c

Step 8:

Rt

=c

c

Dt

c285.1

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

Step 8!"

The !ollowing Criterias hould be met 'or "e4el?*

*3

+3

,3

;60

.0

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

-3

;60

Prel!!

Step 8#"

Calculating Tensile tress !actor

Step 8$"

Check 'or Acceptance as per the 'ollowing !igure

Entering the following Figure with these Values

%

%

TSF %

Rt

&c

.0

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(API-579 Part 5 Level -1 ASS

FFS AND LIFE EXTENSION S

T'e C!r$eret!al

All Cr!ter!a" #$ Level-1

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ESSMENT FOR LOCAL METAL LOSS)

@ Input

@

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

9.0

0

12.0

0

12.0

0

@ tr'()OSS(FCA

@ :6: mm

e data 'or thickness readings in the abo4e table

@ B6;; mm

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

itudinal e7tent o' the 8aw@ 0;6;; mm

;6/.B;B;B;B

D @ *+,+6- mm

;6:/,0-*:B:

;6/.B ;6+

Criteria atis2ed

; +6. mm

Criteria atis2ed

. *:06-.*:,;/

Criteria atis2ed

=

20.0t

R

mm5.2)

cmsd DtL 8.1

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

l Cr!ter!a" #$ Level-1 Sat!"%e&

@ */0;6:.;++: Pa

@ ,,:B6/B00+* Pa

*/0;6:.;++: Pa

c

cC

tR

SEtWP

6.0+=

)(4.0

)(2

slc

slcL

ttR

ttSEP

=

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

= 0.659 & = 0.864

!" ae.ta/le $#r #.erat!# at t'e MA0P allate& a/#ve

'erential %7tent o' the 8aw

@ +*;6;;

+6.B

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

+6.B B

Criteria atis2ed

*-; +;

Criteria atis2ed

*6;; *

Criteria atis2ed

9c

20

ct

D

0.17 C

E

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

*6;; *

Criteria atis2ed

ar2 Cr!ter!a" #$ Level-1 Sat!"%e&

% *6;+0-+B-/0

*+,-*-*-*-

!,-.!!,+-,

.*!/$!-$+/

0.1 LE

+=

L

Lc

E

E

RSF

ETSF

234

12

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ESSMENT FOR LOCAL METAL LOSS)

RVICES FOR PRESSURE VESSELS

e*tet #$ t'e +a, !" ae.ta/le $#r #.erat!#3

Sat!"%e&4 Ve""el F!t $#r Serv!e a" .er API-579

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> ComponentEType

0.0 1.001 Cylindrical hell

0.5 1.056 Torispherical Fead

1.0 1.199 %lliptical Fead

1.5 1.394 Others

2.0 1.618

2.5 1.857

3.0 2.103

3.5 2.351

4.0 2.600

4.5 2.847

5.0 3.091

5.5 3.331

6.0 3.568

6.5 3.801

7.0 4.032

7.5 4.262

8.0 4.492

8.5 4.727

9.0 4.970

9.5 5.225

10.0 5.497

10.5 5.791

11.0 6.112

11.5 6.468

12.0 6.864

12.5 7.307

13.0 7.804

13.5 8.362

14.0 8.989

14.5 9.693

15.0 10.481

15.5 11.361

16.0 12.340

16.5 13.423

17.0 14.616

17.5 15.921

18.0 17.338

18.5 18.864

19.0 20.494

19.5 22.219

20.0 24.027

Mt