Fitness-For-Service API 579-1/ASME FFS-1, JUNE 5, 2007 (API 579 SECOND EDITION) ERRATA February 2009

Transcription

1 Finess-F-Sevie PI 579-/SME FFS-, JUNE 5, 007 (PI 579 SECOND EDITION) ERRT Febuay 009

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3 Suay f Eaa and Ediial Changes f PI-579--SME_FFS-_Finess f Sevie Sunday, Febuay, 009 Sein Paagaph/Figue/Table Desipin Effeed Pages Eaa Suay Misellaneus enies Ceins desipins -5 Fewd Paagaph 7 Spli paagaph and add ne n lain f eaa duen iii 3 Paagaph V Ce Equain efeene Figue 3.7M Ce nubeing f nes Paagaph Change efeene nnex B f Paagaph Change efeene f Figue 4.6, 4.8 Replae wih d 4-7,4-9 4 Figue 4.6 Ce paginain s ha he figue ile is n sae page as he figue Figue 5.3 Replae wih d Paagaph e Reve exa peid a end f fis senene Paagaph e Reve senene "In Equain (6.3), d an be eplaed by n - LOSS " Paagaph Replae RSF wih RSF pi Paagaph Delee equain 6. and enube all subsequen equains Paagaph Replae RSF wih RSF pi Paagaph Swih seps and Equain 7. Reve FC f equain f Equain 7.4 Reve FC f equain f RSF Nenlaue Inse phase Mdified by he fuue sin allwane ( FC ) as equied. In he definiins f, ID, OD and w H 7-6

4 Suay f Eaa and Ediial Changes f PI-579--SME_FFS-_Finess f Sevie Sunday, Febuay, 009 Sein Paagaph/Figue/Table Desipin Effeed Pages 7 Figue 7. Replae wih d and edi new ne ead " Ne: w,,, and H ID OD, shall be dified by he FC as apppiae." 7-7 Figues 7.5, 7.6, 7.7, 7.8 dd Ne figue shall be dified by he FC as apppiae Figues 7-5,7-6,7-7,7-8, and 7-3 Replae wih d 7-4 hugh 7-7 and Table 8.3 dd Cde Refeenes 8-8 Table Table 8.3 end Cde efeene f Cylindial Shell-T- Head ahen Weld Table 4..5 Deails -5 Enlse Divisin de efeenes in paenheses Table 8.5 Cde Refeenes Table 8.6 Cde Refeenes Table 8.7 Cde Refeenes and add ne n adius leanes Tables 8.5, 8.6, and 8.7 Ce las ndiin D 76 (50 f) Paagaph Change sees see Figues 9. and 9.M 9 Figue 9. Ce labeling and line syle f uves B and C f 4 flaw size Swap he yes and n f he deisin pin Cnsequene f Leakage epable? 9-5, Equain. -.,.3,.4,.7,.8,.9,.30, Nenlaue, Figue.3 and.4 T e he alulain f he hikness a ie f assessen, he fllwing hanges wee ade: Delee equain., add equains f, e-nube exising equains, e nenlaue, and e figues. -8 hu -,-4, -, - Paagaph.3.4. Change ndiin P<=.5 SE -8 Paagaph.3.4.d Change ndiin P >.5 SE -9

5 Suay f Eaa and Ediial Changes f PI-579--SME_FFS-_Finess f Sevie Sunday, Febuay, 009 Sein Paagaph/Figue/Table Desipin Effeed Pages Paagaph.3.5.b Reve exa a afe in > 0.356R -9 Equain.8 dd effiien -9 Equain.9 dd effiien -0 Equain.96 Ce value -8 Equain.98 Ce effiien -8 Equain.9 Ce inequaliy -3 Equain.3 Ce inequaliy -3 Paagaph.5.4.a Reve exa a befe ( -4 Paagaph.5.4.a and b dd phase and 0.5 R D 5 (5.0 in) and -4 Paagaph.5.4.b dd subsip in > 0.5R -4 Equain.30 dd D he denina f he equain -44 Equain.3 dd D he denina f he equain -44 Nenlaue θ is in degees -54 Nenlaue In definiin f θ ve peid uside f ) -54 B Equain B.34 Ce he alulain f he Pissn ein fa k vk This inses an equain and auses a enubeing f all equains f equain B.34 nwad B-9 - B-7 and B-3 - B-34 B Equains B.63 B.65 Peviusly Equains B.6 B.64 dd supesip e Δ B-4 B Nenlaue dd ν p B-40 B Nenlaue Inse spae in definiin f ν beween wds ai and adjused. p B-40 B Table B.4 dd efeene SME VIII Div f Ne 6 f β =.4 RSF a B-49 3

6 Suay f Eaa and Ediial Changes f PI-579--SME_FFS-_Finess f Sevie Sunday, Febuay, 009 Sein Paagaph/Figue/Table Desipin Effeed Pages B Table B.5 Mege ells f ylindial nial shell and f nzzle B-50, B-5 B Table B.9 Ce able fa B-54 B4 Paagaph B4.3. Change an shall B4- D Figue Refeenes Ce efeene figues in Pa C hugh page D-6 D- hu D-6 D Paagaph D5.6. Reve exa peid D-5 E Paagaph E3.4.b Equain efeene E.5 shuld be E.8 E-4 E Equain E.6 Ce unis E-5 E Equain E.64 Thid e in denina shuld be a + E- E Equain E.67 Fuh e in nuea shuld be a + E-3 E Paagaph E5...a Paagaph efeene shuld be E.4...a E-4 E Paagaph E5...b Paagaph efeene shuld be E.4...b E-4 E Paagaph E5...a Paagaph efeene shuld be E.4...a E-4 E Paagaph E5...b Paagaph efeene shuld be E.4...b E-4 E Paagaph E5.4..a Paagaph efeene shuld be E.4...a E-5 E Paagaph E5.4..b Paagaph efeene shuld be E.4...b E-5 E Paagaph E5.4..a Paagaph efeene shuld be E.4...a E-6 E Paagaph E5.4..b Paagaph efeene shuld be E.4...b E-6 F Equain F.0 Dp he subsip s in Equain F0 F-4 F Equains F., F3, F4, F5, F6, dd subsip F-5 F Paagaph F.4.5..a Pvide paagaph efeene F-3 F Equain F.84 Ce K IC efle e epeaue shif T T 0 75 ( ( )) F-6 F Paagaph F.6.3. Replae Δ Sange wih Δ S ess, k F-37 F Equain F.8 Replae Δ Sange wih Δ S ess, k F-37 4

7 Suay f Eaa and Ediial Changes f PI-579--SME_FFS-_Finess f Sevie Sunday, Febuay, 009 Sein Paagaph/Figue/Table Desipin Effeed Pages F Equain F. Replae Δ Sange wih ΔS ess, k use C us e equain F-38 F Equain F.3 Ce equain f f MT F-38 F Nenlaue Delee definiin f C us F-4 F Nenlaue Delee definiin f Δ Sange and add definiin Δ f S ess, k F-43 F Nenlaue Ce ue sain definiins F-43 F Table F.3 F Table F.5 F Table F.6 F Table F. F Table F.6 F Table F.30 Change Cabn Seel (YS<40 ksi) Cabn Seel (YS<75.9 MPa)(YS<40 ksi) and add spae beween 40 and ksi Change Cabn Seel (YS<40 ksi) Cabn Seel (YS<75.9 MPa)(YS<40 ksi) and delee exa spae beween 40 and ksi Ce Clun Heading Tepeaue Liis and Sengh Paaees a Miniu Tepeaue dd ne ha nly valid f Δ T = T T whee T and T ae in F ef Change he paisn f > in send faigue effiien ndiin Ce ega paaee f.5c-m-v 4 =450 and B 4 =450 ef F-56 F-57 F-58 - F-6 F-68 F-8 F-89 F Table F.3 Change 9C-M-V equain nube f F-93 F Table F.3 Ce effiiens f 9C-M-V F-93 F Figue F.4M Mve uff line f High Sulfu seels 0 MPa F-00 K Table K.3 K Table K.4 dd vaiable λ hid pwe denina f H in Ne dd vaiable λ hid pwe denina f H in Ne K-0 K- 5

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9 eeived. ll uses ae enuaged inf he iee if hey disve aeas in whih hese pedues shuld be eed, evised expanded. Suggesins shuld be subied he Seeay, PI/SME Finess-F-Sevie Jin Ciee, The eian Siey f Mehanial Enginees, Thee Pak venue, New Yk, NY 006, SeeayFFS@ase.g. Ies appved as eaa his ediin ae published n he SME Web sie unde Ciee Pages a hp://sls.ase.g. Unde Ciee Pages, expand Bad n Pessue Tehnlgy Cdes & Sandads and sele SME/PI Jin Ciee n Finess-F-Sevie. The eaa ae psed unde Publiain Infain. This sandad is unde he juisdiin f he SME Bad n Pessue Tehnlgy Cdes and Sandads and he PI CRE Ciee and is he die espnsibiliy f he PI/SME Finess-F-Sevie Jin Ciee. The eian Nainal Sandads Insiue appved PI 579-/SME FFS- 007 n June 5, 007. lhugh evey eff has been ade assue he auay and eliabiliy f he infain ha is pesened in his sandad, PI and SME ake n epesenain, waany, guaanee in nnein wih his publiain and expessly dislai any liabiliy espnsibiliy f lss daage esuling f is use f he vilain f any egulain wih whih his publiain ay nfli. iii

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11 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa e) The CET shuld n be highe han he epeaue f he liquid ausing he shk hilling. Shk hilling is a apid deease in eal epeaue aused by he sudden na f liquid a w-phase (gas/liquid) fluid wih a eal sufae when he liquid w-phase fluid is lde han he eal epeaue a he insan f na by e han 56 C (00 F) he epeaue diffeene deeined f Figue 3., whiheve is geae. Ineplain ay be used f ineediae values f hikness when using Figue 3.. If he hea ansfe ppeies used in Figue 3. ae n knwn, shk hilling shuld be nsideed u when he liquid w phase fluid is 56 C (00 F) lde han he eal a he insan f na. Shk hilling des n ypially esul f apid hanges in epeaue in a flwing liquid, bu ahe f he sudden na f a liquid wih a h sufae. One exaple f his is a flae heade ha eeives sub-led flashing liquid f a safey valve dishage Reendains f Inspein Tehnique and Sizing Requieens The uen pnen wall hikness is equied f all assessens. Mehds f esablishing his hikness ae pvided in Pa 4, paagaph ssessen Tehniques and epane Cieia 3.4. Oveview n veview f he assessen levels f pessue vessels and piping is shwn in Figue 3.. sepaae assessen pedue is pvided f ankage as shwn in Figue 3.3. suay f he hee assessen levels is desibed belw. a) The Level assessen pedues ae based n he ughness equieens in he SME Bile and Pessue Vessel Cde, Sein VIII, Divisins and. Level an be saisfied based n ipa es esuls ipa es exepin uves. his Level, a single value f he MT is deeined a he axiu peaing pessue. Develpen f a lad (e.g. pessue) vs. epeaue envelpe in adane wih he Cde equies a Level analysis. b) The Level ssessen pedues f pessue vessels and piping ae divided in hee ehds (see Figue 3.). In he fis ehd (Mehd ), equipen ay be exep f fuhe assessen if i an be shwn ha he peaing pessue and epeaue ae wihin a safe envelpe. In he send ehd (Mehd B), equipen ay be qualified f ninued sevie based n a hydes. In he hid ehd (Mehd C), equipen ay be qualified f ninued sevie based n aeials f nsuin, peaing ndiins, sevie envinen and pas peaing expeiene. sepaae assessen pedue is pvided f ankage (see Figue 3.3) ha is based n a binain f hese hee ehds. ) Level 3 ssessen ay be used f equipen ha des n ee he aepane ieia f Levels and. This equipen us be evaluaed n an individual basis wih he help f pess, aeials, ehanial, inspein, safey, and he speialiss as apppiae. Level 3 ssessen nally invlves a e deailed evaluain using a faue ehanis ehdlgy (see Pa 9). Level 3 assessen shuld inlude a syseai evaluain f all f he fas ha nl he susepibiliy f he pnen bile faue: sess, flaw size and aeial ughness Level ssessen Pessue Vessels a) ssessen Level is apppiae f equipen ha ees ughness equieens in he SME Bile and Pessue Vessel Cde, Sein VIII, Divisin. This an be deeined f ipa es esuls, f he use f ipa es exepin uves. b) Pessue vessels ha have a CET equal geae han he MT, as densaed by he fllwing pedue, ae exep f fuhe bile faue assessen pvided ndiins d n hange in he fuue. If a hange in he peaing ndiins is ade ha affes he CET, a eassessen shuld be dne. These vessels equie n speial eaen he han ninue hei inlusin in a nal plan inspein and ainenane pga enpassing geneally aeped engineeing paies suh as nained in PI 50, NB-3, he egnized inspein des. ) geneal pedue f deeining he MT f a pnen is desibed belw. The MT f a pessue vessel is he highes value f he MT f any f is pnens. 3-5

12 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa ) STEP Deeine he saing pin f he MT using ne f he fllwing w pins: i) Opin Deeine he saing pin f he MT using a gvening hikness and he exepin uves shwn in Figue 3.4 as desibed belw. These uves ae liied pnens designed he SME Cde, Sein VIII, Divisin, and he egnized pessue vessel des pvided he design allwable sess is less han equal 7.5 MPa (5 ksi). lenaively, exepin uves f he egnized des and sandads ay be uilized. I) STEP. F he pnen unde nsideain, deeine he fllwing paaees:. Ninal unded hikness a eah weld jin, n B. Maeial f nsuin II) STEP. Deeine he unded gvening hikness, g, (see paagaph d based n he ninal unded hikness f he pnen. F fed heads, he iniu equied hikness ay be used in lieu f he ninal hikness. F pnens ade f pipe, he hikness afe subaing he ill leane ay be used. III) STEP.3 Deeine he appliable aeial ughness uve f Figue 3.4. The appliable aeial ughness uve an be deeined f he aeial speifiain (see Table 3.), hea eaen, and seel aking paie. If his infain is n available, Cuve shuld be used. IV) STEP.4 Deeine he MT f Figue 3.4 based n he appliable ughness uve and he gvening hikness, g (see paagaph d). The MT f flanges eeing SME B6.5 B6.47 shall be se a -9 C (-0 F), unless he MT deeined by he gvening hikness a he flange nzzle nek weld jin gehe wih he uve assiaed wih he flange aeial gives a highe value. The MT f abn seel pnens wih a gvening hikness f less han.5 (0.098 inh) shall be - 48 C (-55 F). The MT f abn seel nus shall be -48 C (-55 F). V) STEP.5 The MT deeined in STEP.4 an be edued fuhe using Equain (3.) if all f he fllwing ae ue:. The pnen was fabiaed f SME P Gup P Gup aeial, B. The pnen has a wall hikness ha is less han equal 38 (.5 inhes), and C. The pnen was subje PWHT and he saus f he PWHT has n been hanged beause f epais and/ aleains. MT = MT.4 7 C (30 F) (3.) STEP ii) Opin B If ipa es esuls ae available f he pnen, hen he MT ay be se a he epeaue a whih he ipa es values equied by he SME Cde, Sein VIII, Divisin, as appliable, he inenainal des and sandads ae saisfied. Hweve, he eduin in he MT f PWHT ha is desibed in STEP.5 abve shall n be applied ipa esed pnens. ) STEP Repea STEP f all pnens ha ake-up he piee f equipen being evaluaed (e.g. pessue vessel piping syse). The MT f he piee f equipen is he highes value bained f any pnen. 3-6

13 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa Sess Rai (Ne ) (Ne 3) (Ne 4) Tepeaue Reduin, F Nes:. definiin f he paaees used in his uve is pvided in paagaph Use his uve f pnens wih a design allwable sess a epeaue less han equal 7.5 ksi. This uve an be used f vessels nsued all Ediins and ddenda pi 999 f he SME Cde, Sein VIII, Divisin ; and piping nsued all Ediins and ddenda pi 00 f SME B3.. The heshld value f his uve is Use his uve f pnens wih a design allwable sess a epeaue less han equal 0 ksi bu geae han 7.5 ksi. This uve an be used f vessels nsued he 999 ddenda and lae Ediins and ddenda f he SME Cde, Sein VIII, Divisin ; and piping nsued he 00 ddenda and lae Ediins and ddenda f SME B3.. The heshld value f his uve is Use his uve f pnens wih a design allwable sess a epeaue less han equal 5 ksi bu geae han 0 ksi. This uve an be used f vessels designed and nsued he SME Cde, Sein VIII, Divisin, and piping designed SME B3.3. The heshld value f his uve is The equains f he uves in his figue ae pvided in Table 3.4. Figue 3.7 Reduin in he MT Based On vailable Exess Thikness f Cabn and Lw lly Seel Cpnens 3-35

14 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa Sess Rai (Ne ) (Ne 3) (Ne 4) Tepeaue Reduin, C Nes:. definiin f he paaees used in his uve is pvided in paagaph Use his uve f pnens wih a design allwable sess a epeaue less han equal 0.8 MPa. This uve an be used f vessels nsued all Ediins and ddenda pi 999 f he SME Cde, Sein VIII, Divisin ; and piping nsued all Ediins and ddenda pi 00 f SME B3.. The heshld value f his uve is Use his uve f pnens wih a design allwable sess a epeaue less han equal 37.8 MPa bu geae han 0.8 MPa. This uve an be used f vessels nsued he 999 ddenda and lae Ediins and ddenda f he SME Cde, Sein VIII, Divisin ; and piping nsued he 00 ddenda and lae Ediins and ddenda f SME B3.. The heshld value f his uve is Use his uve f pnens wih a design allwable sess a epeaue less han equal 7.5 MPa bu geae han 37.8 MPa. This uve an be used f vessels designed and nsued he SME Cde, Sein VIII, Divisin, and piping designed SME B3.3. The heshld value f his uve is The equains f he uves in his figue ae pvided in Table 3.4. Figue 3.7M Reduin in he MT Based On vailable Exess Thikness f Cabn and Lw lly Seel Cpnens 3-36

15 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa b) Type B Cpnens pnen ha des n have a design equain ha speifially elaes pessue ( liquid fill heigh f anks) and/ he lads, as appliable, a equied wall hikness. These pnens have a de design pedue deeine an aepable nfiguain, exaples ae shwn belw. Type B pnens ypially exis a a aj suual disninuiy and invlve he saisfain f a lal einfeen equieen (e.g. nzzle einfeen aea), neessiae he puain f a sess level based upn a given lad ndiin, geey, and hikness nfiguain (e.g. flange design). These ules ypially esul in ne pnen wih a hikness ha is dependen upn ha f anhe pnen. Design ules f his ype have hikness inedependeny, and he definiin f a iniu hikness f a pnen is abiguus. Exaples f Type B pnens ae shwn belw. ) Pessue vessel nzzles, ank nzzles and piping banh nneins ) The einfeen zne f nial ansiins 3) Cylinde fla head junins 4) Inegal ubeshee nneins 5) Flanges 6) Piping syses (see paagaph b.3) ) Type C Cpnens pnen ha des n have a design equain whih speifially elaes pessue ( liquid fill heigh f anks) and/ he lads, as appliable, a equied wall hikness. In addiin, hese pnens d n have a de design pedue deeine lal sesses. Exaples f Type C pnens ae shwn belw. ) Pessue vessel head shell junins ) Siffening ings aahed a shell 3) Ski and lug-ype supps n pessue vessels 4) Tank shell b use ank b junin 4..6 Speifi deails peaining he appliabiliy and liiains f eah f he assessen pedues ae disussed belw The Level assessen pedues in his Pa apply nly if all f he fllwing ndiins ae saisfied. a) The iginal design ieia wee in adane wih a egnized de sandad (see Pa, paagaphs....3). b) The egin f eal lss has elaively sh nus wihu nhes (i.e. negligible lal sess nenains). ) The pnen is n in yli sevie. If he pnen is subje less han 50 yles (i.e. pessue and/ epeaue vaiains inluding peainal hanges and sa-ups and shu-dwns) hughu is pevius peaing hisy and fuue planned peain, saisfies he yli sevie seening pedue in nnex B paagaph B.5., hen he pnen is n in yli sevie. d) The fllwing liiains n pnen ypes and applied lads ae saisfied: ) Level ssessen Type Cpnens subje inenal pessue exenal pessue (i.e. suppleenal lads ae assued be negligible). ) Level ssessen Type B Cpnens (see Pa 4, paagaph 4..5) subje inenal pessue, exenal pessue, suppleenal lads (see nnex, paagaph..7), any binain heef Level 3 ssessen an be pefed when he Level and ssessen pedues d n apply, when hese assessen levels pdue vely nsevaive esuls (i.e. wuld n pei peain a he uen design ndiins). Exaples inlude, bu ae n liied he fllwing. a) Type, B, C Cpnens subje inenal pessue, exenal pessue, suppleenal lads, and any binain heef. b) Cpnens wih a design based n pf esing (e.g. piping ee edue pdued in adane wih SME B6.9 whee he design ay be based n pf esing). 4-3

16 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa ) Cpnens in yli sevie pnens whee a faigue analysis was pefed as pa f he iginal design alulains; he assessen shuld nside he effes f faigue n he Finess F Sevie alulains used qualify he pnen f ninued peain. 4.3 Daa Requieens 4.3. Oiginal Equipen Design Daa n veview f he iginal equipen daa equied f an assessen is pvided in Pa, paagaph Mainenane and Opeainal Hisy n veview f he ainenane and peainal hisy equied f an assessen is pvided in Pa, paagaph Requied Daa/Measueens F FFS ssessen Thikness eadings ae equied n he pnen whee he eal lss has ued evaluae geneal eal lss. n veview f he Level and Level assessen pins ae shwn in Figue 4., and ae desibed in paagaph 4.4. a) Tw pins f baining hikness daa ae pesened: ) Pin hikness eadings - pin hikness eadings an be used haaeize he eal lss in a pnen if hee ae n signifian diffeenes in he hikness eading values bained a inspein niing lains. ) Thikness pfiles hikness pfiles shuld be used haaeize eal lss in a pnen if hee is a signifian vaiain in he hikness eadings. In his ase, he eal lss ay be lalized, and hikness pfiles (hikness eadings n a pesibed gid) shuld be used haaeize he eaining hikness and size f he egin f eal lss. b) The hikness quaniies used in his Pa f he assessen f geneal eal lss ae he aveage easued hikness and he iniu easued hikness. If hikness eadings indiae ha he eal lss is geneal, he pedues in his Pa will pvide an adequae assessen. Hweve, if he eal lss is lalized and hikness pfiles ae bained, he assessen pedues f his Pa ay pdue nsevaive esuls, and he pin f pefing he evaluain using he assessen pedues f Pa 5 is pvided If pin hikness eadings ae used in he assessen, he assupin f unif eal lss shuld be nfied. a) ddiinal inspein ay be equied suh as visual exainain, adigaphy he NDE ehds. b) iniu f 5 hikness eadings shuld be used unless he level f NDE uilized an be used nfi ha he eal lss is geneal. In se ases, addiinal eadings ay be equied based n he size f he pnen, he nsuin deails uilized, and he naue f he envinen esuling in he eal lss. saple daa shee ed hikness eadings is shwn in Table 4.. ) If he Ceffiien Of Vaiain (COV) f he hikness eadings is geae han 0%, hen hikness pfiles shall be nsideed f use in he assessen (see paagaph ). The COV is defined as he sandad deviain divided by he aveage. eplae ha an be used pue he COV is pvided in Table If hikness pfiles ae used in he assessen, he fllwing pedue shall be used deeine he equied inspein lains and he Ciial Thikness Pfiles (CTPs). a) STEP Lae he egin f eal lss in he pnen and deeine he lain, ienain, and lengh f he inspein plane(s). b) STEP T deeine he inspein plane(s) f hikness eadings he fllwing shall be nsideed: ) Pessue Vessel Heads and Sphees Bh he iufeenial and eidinal dieins shall be se as inspein plane(s) (see Figue 4.3). ) Cylindial Shells, Cnial Shells and Elbws The iial inspein plane(s) ae eidinal (lngiudinal) if he iufeenial sess due pessue gvens, and iufeenial if he lngiudinal sess due pessue and suppleenal lads gvens (see Figue 4.4). 4-4

17 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa If hikness eadings indiae ha he eal lss is lalized and hikness pfiles ae bained, he assessen pedues in his Pa an sill be used f he assessen. Hweve, he esuls ay be nsevaive, and he pin f pefing he analysis using he assessen pedues f Pa 5 is pvided FFS assessens f he pnens lised belw equie speial nsideain beause f he plexiies assiaed wih he design equieens f he iginal nsuin de. In eah ase, an Enginee knwledgeable and expeiened in he design equieens f he appliable de shuld pef he assessen (see Pa, paagaph.4.3). If he eal lss is in a pnen ha was n subje speial design equieens pe he iginal nsuin de (i.e. design equieens based n sess analysis), hen he Level Level assessen pedues ay be applied. If he sin/esin daage is in a pnen subje speial design equieens, hen he alulains equied in he iginal design qualify he pnen shuld be epeaed nsideing a edued wall hikness. a) Pessue Vessels Designed T The SME Cde, Sein VIII, Divisin use design speifiain is equied whee he peainal paaees f he iginal design wee esablished. In addiin, deailed hea ansfe and sess alulains, and a faigue analysis ay have been pefed saisfy he design by analysis ules equied in his de. b) Lw Pessue Sage Tanks Designed T PI 60 The design ules f lw pessue sage anks nained in PI 60 equie a hugh knwledge f engineeing ehanis in ha he equied hikness f a shell pnen is based upn he evaluain f fee bdy diagas, he develpen f equilibiu equains, and he nsideain f a biaxial sess field deeine an allwable design sess. ) Piping Designed T SME B3.3 Meal lss in piping syses an be evaluaed using a Level ssessen by he Inspe if he suppleenal lads n he piping syse ae negligible (see nnex, paagaph..7). If hese lads ae n negligible, a piping sess analysis is equied. The piping analysis shuld ake in aun he elainship beween he pnen hikness, piping flexibiliy, and he esuling sess (see paagaph ) Level ssessen The fllwing assessen pedue shall be used evaluae Type Cpnens (see paagaph 4..5) subje inenal exenal pessue when Pin Thikness Reading (PTR) daa ae used haaeized he eal lss (see paagaph ). a) STEP Deeine he iniu equied hikness, in (see nnex, paagaph.). b) STEP Take he pin hikness eading daa in adane wih paagaph F hese daa deeine he iniu easued hikness,, he aveage easued hikness, a, and he Ceffiien Of Vaiain (COV). eplae f puing he COV is pvided in Table 4.3. ) STEP 3 If he COV f STEP is less han equal 0%, hen peed STEP 4 plee he assessen using he aveage hikness, a. If he COV is geae han 0%, hen he use f hikness pfiles shuld be nsideed f he assessen (see paagaph 4.4..). d) STEP 4 The aepabiliy f ninued peain an be esablished using he Level ieia in Table 4.4. The aveaged easued hikness MWP aepane iein ay be used. In eihe ase, he iniu hikness iein shall be saisfied The fllwing assessen pedue shall be used evaluae Type Cpnens (see paagaph 4..5) subje inenal exenal pessue when Ciial Thikness Pfile (CTP) daa ae used haaeized he eal lss (see paagaph ). a) STEP Deeine he iniu equied hikness, in (see nnex, paagaph.). b) STEP Deeine he hikness pfile daa in adane wih paagaph and deeine he iniu easued hikness,. 4-7

18 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa ) STEP 3 Deeine he wall hikness be used in he assessen using Equain (4.) Equain (4.3). = LOSS FC (4.) n = FC (4.3) d d) STEP 4 Cpue he eaining hikness ai, R. R FC = (4.4) e) STEP 5 Cpue he lengh f hikness aveaging, L whee he paaee Q is evaluaed using Table 4.5. L= Q D (4.5) f) STEP 6 Esablish he Ciial Thikness Pfiles (CTP s) f he hikness pfile daa (see paagaph ). Deeine he aveage easued hikness s a based n he lngiudinal CTP and he aveage easued hikness a based n he iufeenial CTP. The aveage easued hiknesses s a and a shall be based n he lengh L deeined in STEP 5. The lengh L shall be laed n he espeive CTP suh ha he esuling aveage hikness is a iniu. g) STEP 7 Based n he values f s a and a f STEP 6, deeine he aepabiliy f ninued peain using he Level ieia in Table 4.4. The aveaged easued hikness MWP aepane iein ay be used. In eihe ase, he iniu easued hikness,, shall saisfy he iein in Table If he pnen des n ee he Level ssessen equieens, hen he fllwing, binains heef, shall be nsideed: a) Reae, epai, eplae, eie he pnen. b) djus he FC by applying eediain ehniques (see paagaph 4.6). ) djus he weld jin effiieny qualiy fa, E, by nduing addiinal exainain and epea he assessen (Ne: T aise he value f E f , f.85.0, wuld equie ha he weld seas be sp 00% adigaphed, espeively, and hese exainains ay eveal addiinal flaws ha will have be evaluaed). d) The egin f eal lss an be evaluaed using he Pa 5 ssessen pedues f lal eal lss. e) Cndu a Level a Level 3 ssessen Level ssessen The assessen pedue in paagaph ay be used evaluae Type Cpnens (see paagaph 4..5) subje he lads defined in paagaph d when Pin Thikness Reading (PTR) daa ae used haaeized he eal lss (see paagaph ). Ne ha he Level epane Cieia in Table 4.4 shall be used in njunin wih STEP The assessen pedue in paagaph ay be used evaluae Type Cpnens (see paagaph 4..5) subje he lads defined in paagaph d when Ciial Thikness Pfile (CTP) daa ae used haaeize he eal lss (see paagaph ). Ne ha he Level epane Cieia in Table 4.4 shall be used in njunin wih STEP

19 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa M5 C C C3 C4 C5 C6 C7 M4 M3 C L M M Line M - pah f iniu hikness eadings in he lngiudinal diein Line C - pah f iniu hikness eadings in he iufeenial diein Cylindial Shell (a) Inspein Planes and he Ciial Thikness Pfile s d (b) Ciial Thikness Pfile (CTP) - Lngiudinal Plane (Pjein f Line M) d () Ciial Thikness Pfile (CTP) - Ciufeenial Plane (Pjein f Line C) Nes:. M M5 ae eidinal (lngiudinal) inspein planes.. C C7 ae iufeenial inspein planes. Figue 4.6 Mehd f Deeining he Plane f Maxiu Meal Lss (Ciial Thikness Pfile) 4-7

20 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa s s s Shell s Sep - Daw a bx ha pleely enlses eah LT. Measue he axiu lngiudinal (axial) exen, s (in..) and he axiu iufeenial exen, (in..) f his bx. These will be he diensins f he hinned aea used in he assessen. Sep - Daw a send bx wie he size f he fis bx (s x ) aund eah LT. s s s Sep 3 - If anhe LT is wihin he lage bx, he diensins s and shuld be adjused inlude he addiinal hinned aea. G bak sep. Figue 4.7 Sizing f a Regin wih Muliple eas f Meal Lss f an ssessen 4-8

21 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa s Flaw Pah f Maxiu Meal Lss d Thikness Pfile (a) Islaed Flaw s Flaw Flaw d Thikness Pfile Ne: Flaw and Flaw e Cbined Based n he Ciein Shwn In Figue 4.7 T F Single Flaw F The ssessen (b) Newk Of Flaws Figue 4.8 Sizing f an Islaed Meal Lss Regin and a Newk f Meal Lss Regins 4-9

22 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa C L Nzzle Reinfeen Zne n Reinfing Pad L n e Shell d i v L ni L v L v Nzzle wih a Reinfeen Eleen Nes:. Lv = ax di, ( di + n + v) (hikness aveaging zne in he hiznal diein, see paagaph a). Ln = in.5 v, (.5n + e ) (hikness aveaging zne in he veial diein n he uside f he shell, see paagaph a) L = in.5,.5 (hikness aveaging zne in he veial diein n he inside f he shell, see 3. [ ] ni v n a) 4. See paagaph b. deeine he lengh f hikness aveaging Figue 4.9 Zne f Thikness veaging Nzzles and Fabiaed Banh Cnneins 4-30

23 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa Shell s Lngiudinal Weld Sea s Lal Thin ea (LT) O Gve-Like Flaw ea Subje Inspein (s x bx) Ne: See Pa 4, paagaph f he pedue deeine s and. Figue 5. LT Flaw Diensins 5-7

24 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa Figue 5.3 Gve-Like Flaw Diensins Flaw Pfile 5-8

25 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa The infain equied pef a Level 3 ssessen depends n he analysis ehd uilized. lii lad pedue using a nueial ehnique shuld be used esablish aepable peaing ndiins. desipin f he piing, siila ha equied f a Level ssessen, shuld be bained alng wih he aeial yield sengh and sess-sain uve The fuue Piing Pgessin Rae (PPR) shuld be esiaed. This is n a saighfwad pedue beause pis an inease in size (deph and diaee), inease in densiy, and a egin f lal piing ay inease in size. ll pi diensins used in he assessens in his Pa shuld be based n he bes esiae f fuue size. The deeinain f a eaining life f a pnen wih piing daage is disussed in paagaphs 6..4 and Reendain f Inspein Tehnique and Sizing Requieens Peise easueen f piing is diffiul. Cae shuld be aken ensue ha he e diensins ae easued beause pis fen have iegula shapes as shwn in Figue 6. ae filled wih sale. Pi gauges ae used easue pi deph and ules alipes easue pi diaee and he disane beween pis. Ulasni ehds an als be used easue he wall hikness f pis wih lage diaees and he aveage plae hikness in nn-pied aeas adjaen he piing I is diffiul dee sall diaee pis easue he deph f pis using ulasni ehds. Radigaphy (RT) ay als be used haaeize he daage in pied egins If he sufae is saled, diy has a daaged aing, leaning (e.g. sandblasing) ay be equied in de bain auae pi easueens Inspein ehniques ha haaeize piing daage f he ppsie sufae shuld nly be used when hey have suffiien esluin and veage ensue ha signifian daage ann be velked. 6.4 ssessen Tehniques and epane Cieia 6.4. Oveview If he deph f all f he pis is less han he speified sin/esin allwane and adequae hikness is available f fuue piing daage (see paagaph 6.5.), n fuhe ain is equied he han ed he daa; hewise, an assessen is equied n veview f he assessen levels is pvided in Figue 6.. a) Level ssessens shall be liied pnens wih ne-sided widespead piing daage designed a egnized de sandad using an equain ha speifially elaes pessue ( liquid fill heigh f anks) a equied wall hikness. The nly lad nsideed is inenal pessue. Level assessens an be used evaluae pnens ha d n ee Level assessen ieia. b) The Level ssessen pedues ae used evaluae all fu aegies f piing: widespead piing, lalized piing, piing wihin a lally hin aea, and a lally hin aea in a egin f widespead piing. The Level ssessen ules pvide a bee esiae f he suual inegiy f a pnen beause a easue f he aual daage paaee, he pi-uple, is diely used in he assessen. The Level assessen shuld be used when he piing daage us n bh sides f he pnen. Level 3 assessens an be used evaluae pnens ha ae n veed by, d n pass a Level Level ssessen. ) The Level 3 ssessen pedues ae inended evaluae e plex egins f piing, lading ndiins, and/ pnens wih deails whee nly liied design ules ae pvided in he iginal nsuin de sandad. Deailed sess analysis ehniques shuld be uilized in a Level 3 ssessen. 6-5

26 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa 6.4. Level ssessen The Level ssessen ehnique uilizes sandad pi has and he axiu pi deph in he aea being evaluaed esiae a Reaining Sengh Fa, RSF. The sufae daage f he pied egin is haaeized by aking a visual paisn beween he aual daage and a sandad pi ha. Based n he pi ha ha bes appxiaes he pesen daage, he eaining sengh fa an be deeined using he easued axiu pi deph The fllwing assessen pedue an be used evaluae pnens ha ee he ndiins sipulaed in paagaph F an asphei sage ank, he sae pedue an be fllwed deeine a MFH by eplaing he MWP wih he MFH, and deeining he MFH using he appliable de equains f a ank shell. a) STEP Deeine he fllwing paaees: D, FC, eihe d n and LOSS. b) STEP Deeine he wall hikness be used in he assessen using Equain (6.) Equain (6.), as appliable. = LOSS FC (6.) n = FC (6.) d ) STEP 3 Lae he aea n he pnen ha has he highes densiy f piing daage based n he nube f pis. Obain phgaphs (inlude efeene sale), ubbings f his aea ed he aun f sufae daage. d) STEP 4 Deeine he axiu pi deph, w ax, in he egin f piing daage being evaluaed. e) STEP 5 Deeine he ai f he eaining wall hikness he fuue wall hikness in he pied egin using Equain (6.3). If R w < 0. he Level assessen ieia ae n saisfied. R w + FC w ax = (6.3) f) STEP 6 Deeine he MWP f he pnen (see nnex, paagaph.) using he hikness f STEP. g) STEP 7 Cpae he sufae daage f he phgaphs ubbings he sandad pi has shwn in Figues 6.3 hugh 6.0. Sele a pi ha ha has a easue f sufae daage ha appxiaes he aual daage n he pnen. If he piing daage is e exensive han ha shwn in Figue 6.0, hen pue he RSF using he fllwing equain and peed STEP 9. RSF = R w (6.4) h) STEP 8 Deeine he RSF f he able shwn a he b f he pi ha ha was hsen in STEP 7 using he value f R w alulaed in STEP 5. Ineplain f he RSF is aepable f ineediae values f R. w i) STEP 9 If RSF RSFa, hen he piing daage is aepable f peain a he MWP deeined in STEP 6. If RSF < RSFa, hen he egin f piing daage is aepable f peain a MWP, whee MWP is pued using he equains in Pa, paagaph.4... The MWP f STEP 6 shall be used in his alulain. 6-6

27 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa RSF pi n n k = RSF = (6.5) k i) STEP 9 - Evaluae esuls based n he ype f piing daage (see Figue 6.): ) Widespead Piing F widespead piing ha us ve a signifian egin f he pnen, if, hen he piing daage is aepable f peain a he MWP deeined in RSF pi RSF a RSF RSF STEP 6. If pi < a, hen he egin f piing daage is aepable f peain a MWP, whee MWP is pued using he equains in Pa, paagaph.4... The MWP f STEP 6 shall be used in his alulain. ) Lalized Piing If he piing daage is lalized, hen he daaged aea is evaluaed as an equivalen egin f lalized eal lss (LT, see Pa 5 and Figue 6.3). The eidinal and iufeenial diensins f he equivalen LT shuld be based n he physial bunds f he, f he LT an be esablished using he fllwing bseved piing. The equivalen hikness, eq equain. T plee he analysis, he LT is hen evaluaed using he Level Level assessen pedues in Pa 5 wih = eq, whee eq is given by Equain (6.6). eq = RSFpi (6.6) 3) Regin Of Lal Meal Lss Laed In n ea Of Widespead Piing If a egin f lal eal lss (LT) is laed in an aea f widespead piing, hen a bined Reaining Sengh Fa an be deeined using he fllwing equain. RSF RSFb = RSFpi RSFla (6.7) RSF If b a RSF STEP 6. If pi a, hen he piing daage is aepable f peain a he MWP deeined in < RSF, hen he egin f piing daage is aepable f peain a MWP, whee MWP is pued using he equains in Pa, paagaph.4... The MWP f STEP 6 shall be used in his alulain. 4) Piing Cnfined Wihin Regin Of Lalized Meal Lss If he piing daage is nfined wihin a egin f lalized eal lss (see Figue 6.4), hen he esuls an be evaluaed using he ehdlgy in subpaagaph 3) abve. j) STEP 0 Chek he eended liiains n he individual pi diensins: ) Pi Diaee If he fllwing equain is n saisfied f an individual pi, hen he pi shuld be evaluaed as a lal hin aea using he assessen ehds f Pa 5 The size f he lal hin aea is he pi diaee and he eaining hikness ai is defined belw. This hek is equied f lage pis ensue ha a lal ligaen failue a he base f he pi des n u. d Q D (6.8) The value f Q in Equain (6.8) shall be deeined using Pa 4, Table 4.5 and is a funin f he eaining hikness ai, he deph f he pi unde evaluain. R + FC w i, k = R, f eah pi as given by eihe f he fllwing equains whee ik, (6.9) w is 6-9

28 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa ) Pi Deph The fllwing lii n he eaining hikness ai is eended peven a lal failue haaeized by pinhle ype leakage. The iein is expessed in es f he eaining hikness ai as fllws: R 0.0 (6.0) The assessen pedues in his paagaph shuld be used deeine he aepabiliy f he lngiudinal sess diein in a ylindial nial shell pipe wih piing daage subje pessue and/ suppleenal lads. The aepabiliy f he iufeenial sess diein is evaluaed using paagaph a) Suppleenal Lads These ypes f lads ay esul in a ne sein axial fe, bending en, sin, and shea being applied he ss sein naining he flaw (paagaph nnex,..6). The suppleenal lads inluded in he assessen shuld inlude lads ha pdue bh lad-nlled and sain nlled effes. Theefe, he ne-sein axial fe, bending en, sin, and shea shuld be pued f w lad ases, weigh and weigh plus heal (see Pa 5, paagaph a). b) Speial Requieens F Piping Syses Requieens in Pa 5, paagaph b ae equied beause f he elainship beween he pnen hikness, piping flexibiliy siffness, and esuling sess. ) ssessen F Widespead Piing The fllwing pedue shuld be used evaluae he peissible ebane, bending and shea sesses esuling f pessue and suppleenal lads. ) STEP Deeine he fllwing paaees: D, D, FC, eihe d n and LOSS. ) STEP Deeine he wall hikness be used in he assessen using Equain (6.) Equain (6.), as appliable. 3) STEP 3 Deeine he eaining sengh fa, RSFpi f Equain (6.5), he allwable eaining sengh fa, RSF a, he peissible axiu allwable wking pessue, MWP, and suppleenal lads n he iufeenial plane. The eaining sengh fa, allwable eaining sengh fa, and he peissible axiu allwable wking pessue f he egin wih piing daage an be esablished using he pedues in paagaph The suppleenal lads ae deeined in adane wih paagaphs a and b. 4) STEP 4 Cpue he equivalen hikness f he ylinde wih piing daage. eq = RSFpi (6.) 5) STEP 5 F he suppleenal lads deeined in STEP 3, pue he pnens f he esulan bending en and sin. This shuld be dne f he weigh and he weigh plus heal lad ases. 6) STEP 6 Cpue he axiu iufeenial sess. MWP D = RSFpi sα D D (6.) 7) STEP 7 Cpue he axiu sein lngiudinal ebane sess and he shea sess f bh he weigh and he weigh plus heal lad ases. ll edible lad binains shuld be nsideed in he alulain. The sein ppeies equied f he alulains ae pvided in Table 6.. l a F Ma = ( MWP ) + ± EC sα Ix (6.3) 6-0

29 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa τ = MT V + (6.4) eq 8) STEP 8 Cpue he equivalen ebane sess f he weigh and he weigh plus heal lad ases. e = l + l + 3τ 0.5 (6.5) 9) STEP 9 Evaluae he esuls as fllws: i) The fllwing elainship shuld be saisfied f eihe a ensile and pessive lngiudinal sess f bh he weigh and he weigh plus heal lad ases: H S a e f RSF a (6.6) ii) If he axiu lngiudinal sess pued in STEP 7 is pessive, hen his sess shuld be less han equal he allwable pessive sess pued using he ehdlgy in nnex, paagaph.4.4 he allwable ensile sess, whiheve is salle. When using his ehdlgy esablish an allwable pessive sess, an aveage hikness epesenaive f he egin f piing daage in he pessive sess zne shuld be used in he alulains. 0) STEP 0 If he equivalen sess iein f STEP 9 is n saisfied, he MWP and/ suppleenal lads deeined in STEP 3 shuld be edued, and he evaluain ulined in STEPs hugh 9 shuld be epeaed. lenaively, a Level 3 ssessen an be pefed. d) ssessen F Lalized Piing If he flaw is aegized as lalized piing, a LT laed in a egin f widely saeed piing, piing nfined wihin a egin f an LT, he assessen pedue in Pa 5, paagaph an be used ne an equivalen LT has been deived using he pedues in paagaph i) The assessen pedue in Pa 4, paagaph an be used evaluae pnens ha d n have a design equain ha speifially elaes pessue ( liquid fill heigh f anks) a equied wall hikness (see Pa 4, paagaph g). F his assessen, he eaining wall hikness f he nzzle and vessel an be esablished using he equains in paagaph If he pnen des n ee he Level ssessen equieens, hen he fllwing, binains heef, an be nsideed: a) Reae, epai, eplae, eie he pnen. b) djus he FC by applying eediain ehniques (see Pa 4, paagaph 4.6). ) Cndu a Level 3 ssessen Level 3 ssessen The sess analysis ehniques disussed in nnex B an be uilized assess piing daage in pessue vessels, piping, and ankage. The lii lad ehniques desibed in nnex B ae ypially eended f his evaluain If a nueial puain (e.g. finie eleen ehd) is used evaluae piing, w alenaives f deling he pis ay be nsideed. In he fis ehd, he pis an be deled diely using hee diensinal ninuu finie eleens. This ehd ay be ipaial based upn he pi densiy. In he send ehd, he edued siffness f he plae wih pis an be appxiaed by using effeive elasi nsans by develping an equivalen hikness. Effeive elasi nsans f plaes wih hles wih 6-

30 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa iangula and eangula pih paens ae pvided in he SME B&PV Cde, Sein VIII, Divisin,Pa UHX. Eihe f hese ehds will failiae deling f piing daage using eihe shell ninuu finie eleens; hweve, epesenaive values f he effeive elasi nsans equivalen hikness shuld be validaed f use in he assessen. In addiin, if a lii analysis is being pefed, he validiy f he effeive elasi nsans equivalen hikness in he plasi egie shuld als be deeined. 6.5 Reaining Life ssessen 6.5. The MWP appah, see Pa 4, paagaph 4.5., pvides a syseai way f deeining he eaining life f a pessuized pnen wih piing. When esiaing he eaining life f piing daage, a Pi Ppagain Rae shuld be deeined based n he envinenal and peaing ndiins Pis an gw in hee diffeen des and suiable esiaes f a ppagain ae shuld be esablished f eah de. In addiin hese individual des, piing daage an als gw f a binain f hese des. a) Inease In Pi Size an esiae as hw he pi haaeisi diaee and deph will inease wih ie shuld be ade. F a given pi-uple, as he pi diaee and/ deph ineases, he RSF deeases. b) Inease In Pi Densiy in addiin exising pis ninuing gw, new pis an f, hus ineases he pi densiy. This deeases he pi spaing disane and he RSF. ) Inease In Pi Regin Size if he piing is lalized, fuue peain ay esul in an enlageen f he lalized egin. The enlageen f a lal egin wih pis has siila effes as he enlageen f an LT If an esiae f he ppagain aes ann be ade, eediain ehds ay be used iniize fuue piing daage The fllwing pedue shuld be used deeine he eaining life f a pnen wih piing using he MWP appah a) STEP Deeine he unif eal lss, LOSS in he egin wih piing. a) STEP Using he pedues desibed in Level, deeine he MWP f a seies f ineasing ie ineens using a Pi Ppagain Rae applied he pi deph and diaee. Using a saisial analysis, i is pssible pedi he likely deph f he deepes pi ha was n easued. The saisial value an hen be used as he pi deph in he fulas. b) STEP 3 The effeive pi size and ae f hange in he haaeisi diensins ae deeined as fllws: w = w + PPR ie (6.7) f pi deph d = d + PPR ie (6.8) f pi diaee d) STEP 4 If eediain is n pefed, an esiae f he fuue pi densiy shuld be ade and inluded in he esiain f he MWP in STEP. e) STEP 5 If he pied egin is lalized, an esiae f he fuue enlageen f his egin shuld be ade and inluded in he esiain f he MWP in STEP. If hee is an ineain beween piing and a LT, hen his ineain shall als be nsideed in a MWP vesus ie alulain. 6-

31 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa b) The Level ssessen pedues uilize he ehdlgies f Pa 5 and Pa 9 evaluae he daage zne as a egin f lal eal lss and as a ak. Seps us be aken nl peidially ni he pgessin f daage. n veview f he Level assessen pedue f HIC is shwn in Figue 7.. ) The Level 3 assessen pedues ae inended evaluae lage e plex egins f HIC daage pnens ha equie deailed sess analysis beause f plex geey, plex lading ndiins bh n veview f he assessen levels f SOHIC daage is pvided belw. a) The Level and Level assessen pedues ae n pvided f SOHIC Daage. b) The Level 3 ssessen pedues uilize he ehdlgies f Pa 9 evaluae he SOHIC daage as a ak. Seps us be aken nl peidially ni he pgessin f daage. ) The Level 3 assessen pedues ay als be used evaluae e plex egins f SOHIC daage pnens ha equie deailed sess analysis beause f plex geey, plex lading ndiins bh n veview f he assessen levels f blises is pvided belw. a) The Level assessen pedues pvide seening ieia evaluae blises. b) The assessen pedues in Level uilize he ehdlgy f Pa 5 evaluae he blise as an equivalen egin f lal eal lss. n veview f he Level assessen pedue f blises is shwn in Figue 7.. ) The Level 3 assessen pedues ae inended evaluae lage e plex egins f blise daage pnens ha equie deailed sess analysis beause f plex geey, plex lading ndiins bh Level ssessen HIC ssessen Pedue The Level ssessen pedue f deeining he aepabiliy f HIC daage is as shwn belw. a) STEP Deeine he wall hikness be used in he assessen using Equain (7.5) Equain (7.6), as appliable. = LOSS FC (7.5) n = FC (7.6) d b) STEP Deeine he infain in paagaph ) STEP 3 If all f he fllwing equieens ae saisfied, hen peed STEP 4. Ohewise, he Level ssessen is n saisfied. ) The plana diensins f he HIC daage saisfy Equains (7.7) and (7.8). s 0.6 D (7.7) 0.6 D (7.8) ) The hugh-hikness exen f he daage saisfies Equain (7.9). wh in, 3 (0.5 in.) 3 (7.9) 7-7

32 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa 3) The HIC daage is n sufae beaking in adane wih paagaph h (see Equains (7.) and (7.) ). 4) The disane beween he edge f he HIC daage and he neaes weld sea saisfies Equain (7.0) [ ] L > ax, 5 (.0 in) (7.0) w 5) The disane f he edge f he HIC daage he neaes aj suual disninuiy saisfies Equain (7.). L sd.8 D (7.) 6) Fuhe HIC daage has been pevened by ne f he fllwing eans: i) baie aing velay (e.g. an gani aing, eal spay, weld velay, e.) has been applied peven na beween he pess envinen and he eal. ii) The equipen has been ved he pess envinen aleed suh ha n fuhe hydgen haging f he eal will u. d) STEP 4 The Level ssessen is plee, he pnen ay be euned sevie SOHIC ssessen Pedue Level ssessen pedue f deeining he aepabiliy f SOHIC daage is n pvided; efe paagaph f assessen pins Blise ssessen Pedue The Level ssessen pedue f deeining he aepabiliy f blise daage is shwn belw. a) STEP Deeine he infain in paagaph b) STEP Deeine he wall hikness be used in he assessen using Equain (7.5) Equain (7.6), as appliable. ) STEP 3 If all f he fllwing equieens ae saisfied, hen peed STEP 4. Ohewise, he Level ssessen is n saisfied. ) The blise diaee and vening equieens ee ne f he fllwing ieia. i) The blise diaee is less han equal 50 ( inhes), ii) The blise is vened and he diensins saisfy Equains (7.7) and (7.8). ) The iniu easued undaaged hikness easued f he side ha is n bulged (see Figue 7.5) saisfies Equain (7.). 0.5 (7.) 3) The blise pjein saisfies Equain (7.3). Bp [ s ] 0.0 in, (7.3) 4) Thee ae n peiphey aks dieed wads he inside uside sufae f he pnen as shwn in Figue ) The disane beween he edge f he blise and he neaes weld sea saisfies Equain (7.0). 6) The disane f he blise edge he neaes aj suual disninuiy saisfies Equain (7.). d) STEP 4 The Level ssessen is plee, he pnen ay be euned sevie. 7-8

33 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa If he pnen des n ee he Level ssessen equieens, hen he fllwing, binains heef, an be nsideed: a) The daaged aeial ay be eved, epaied, eplaed. b) The daage an be eved by blend ginding as shwn in Figue 7.3, and he aea evaluaed as a lal hin aea pe he assessen pedues f Pa 5. ) Level Level 3 ssessen an be ndued Level ssessen HIC ssessen Pedue The Level ssessen pedue f deeining he aepabiliy f HIC daage is shwn belw. lgi diaga f a Level ssessen is shwn in Figue 7.. The pedue shwn belw is develped f pessuized pnens whee an MWP an be deeined. F an asphei sage ank, he sae pedue an be fllwed deeine a MFH by eplaing he MWP wih he MFH, and deeining he MFH using he appliable de equains f a ank shell. a) STEP Deeine he infain in paagaph b) STEP Deeine he wall hikness be used in he assessen using Equain (7.5) Equain (7.6). ) STEP 3 If he disane beween he edge f he HIC daage and he neaes weld sea saisfies Equain (7.0), hen peed STEP 4. Ohewise, he Level ssessen is n saisfied. d) STEP 4 If he disane f he edge f he HIC daage he neaes aj suual disninuiy saisfies Equain (7.), hen peed STEP 5. Ohewise, he Level ssessen is n saisfied. e) STEP 5 Classify he daage as eihe subsufae HIC sufae beaking HIC in adane wih paagaph h (see Equains (7.) and (7.) and peed STEP 6. f) STEP 6 Deeine he MWP f he pnen (see nnex, paagaph.) using he hikness f STEP g) STEP 7 Calulae he Reaining Sengh Fa based n he ype f HIC daage. In bh ases, he daage paaee f HIC daage shall be se equal 80%, D H = ) The Reaining Sengh Fa f sufae-beaking HIC daage is pued using Equain (7.4). The paaee M in Equain (7.4) is deeined f Pa 5, Table 5. using he value f λ given by Equain (7.5). wh D H RSF = wh D H M (7.4).85s λ = (7.5) D 7-9

34 PI 579-/SME FFS- 007 Finess-F-Sevie Eaa ) The Reaining Sengh Fa f subsufae HIC daage is pued using Equain (7.6). The paaee L in Equain (7.6) is given by Equain (7.7) whee L is deeined in R adane wih Figue 7.3. Hs wh D LR + s RSF = L + s R H (7.6) L R LHs = in, 8 (7.7) RSF RSF h) STEP 8 If a, hen he lngiudinal exen f he HIC daage saisfes he LT pin f he assessen a he MWP deeined in STEP 6.. If RSF < RSF, hen he egin f lal eal lss is aepable f peain a MWP, whee MWP is pued using he equains in Pa, paagaph.4... The MWP f STEP 6 shall be used in his alulain. i) STEP 9 F ylindial shells, nial shells, and elbws, evaluae he iufeenial exen f he HIC daage using an equivalen LT and he pedues in Pa 5 paagaph ; hewise, peed STEP 0. The equivalen LT shall have a deph pued using Equain (7.8) and a lengh equal he iufeenial exen f he HIC daage zne. If he HIC daage is laed n he uside sufae is sub-sufae, hen he equivalen LT shall be assued be n he uside sufae. If he HIC is n he inside sufae, hen he equivalen LT shall be assued be n he inside sufae. d = w D (7.8) HIC H H j) STEP 0 Deeine whehe a faue assessen is equied. If any f he fllwing ieia apply, hen peed STEP ; hewise, peed STEP. ) The equipen eains in hydgen haging sevie, and hydgen haging has n been haled by eans f a baie aing, velay, pess hange. ) The HIC daage is lassified as sufae-beaking, see paagaph h. 3) The hugh-wall exen f he HIC daage saisfies Equain (7.9). a wh > in, 3 (0.5 in.) 3 (7.9) k) STEP Evaluae he HIC daage as a ak-like flaw in adane wih he pedues f Pa 9 in njunin wih he equieens shwn belw. If he Pa 9 assessen is aepable, hen peed STEP. Ohewise, he Level ssessen is n saisfied. ) Flaw Size w ak-like flaw assessens shall be pefed, ne f he lngiudinal diein and ne f he iufeenial diein. i) The lngiudinal ak-like flaw lengh shall be se equal he lngiudinal exen f HIC daage, s. The ak-like flaw deph shall be se equal he axiu exen f HIC daage in he hugh hikness diein, w. ii) H The iufeenial ak-like flaw lengh shall be se equal he iufeenial exen f HIC daage,. The ak-like flaw deph shall be se equal he axiu exen f HIC daage in he hugh hikness diein, w. H 7-0