ND-18-0542, Request for License Amendment and Exemption: Containment Sump Level Instrumentation (LAR-18-014)

Request for License Amendment and Exemption: Containment Sump Level Instrumentation (LAR-18-014)

ML18116A138
Person / Time
Site:	Vogtle
Issue date:	04/26/2018
From:	Sparkman W Southern Nuclear Operating Co
To:	Document Control Desk, Office of New Reactors
References
LAR-18-014, ND-18-0542
Download: ML18116A138 (25)

Text

Southern Nuclear

 Operating Company, Inc.

 ,QYHUQHVV&HQWHU3DUNZD\

%LUPLQJKDP$/





$SULO

'RFNHW1RV  1'

  &)5

  &)5





861XFOHDU5HJXODWRU\&RPPLVVLRQ

$771'RFXPHQW&RQWURO'HVN

DVKLQJWRQ'&







Southern Nuclear Operating Company Vogtle Electric Generating Plant Units 3 and 4 Request for License Amendment and Exemption:

Containment Sump Level Instrumentation (LAR-18-014)



/DGLHVDQG*HQWOHPHQ



3XUVXDQWWR&)5 F DQGLQDFFRUGDQFHZLWK&)56RXWKHUQ1XFOHDU2SHUDWLQJ

&RPSDQ\ 61&  UHTXHVWV DQ DPHQGPHQW WR WKH FRPELQHG OLFHQVHV &2/V  IRU 9RJWOH (OHFWULF

• HQHUDWLQJ3ODQW 9(*3 8QLWVDQG /LFHQVH1XPEHUV13)DQG13)UHVSHFWLYHO\ 

7KHUHTXHVWHGDPHQGPHQWSURSRVHVFKDQJHVWR&2/$SSHQGL[&ZLWKFRUUHVSRQGLQJFKDQJHV

WRWKHDVVRFLDWHGSODQWVSHFLILF7LHULQIRUPDWLRQDQGLQYROYHVDVVRFLDWHG7LHULQIRUPDWLRQLQ

WKH 8SGDWHG )LQDO 6DIHW\ $QDO\VLV 5HSRUW 8)6$5  ZKLFK LQFOXGHV WKH SODQWVSHFLILF 'HVLJQ

&RQWURO'RFXPHQW '&' 7LHULQIRUPDWLRQ 3XUVXDQWWRWKHSURYLVLRQVRI&)5 E  

DQH[HPSWLRQIURPHOHPHQWVRIWKHGHVLJQDVFHUWLILHGLQWKH&)53DUW$SSHQGL['GHVLJQ

FHUWLILFDWLRQUXOHLVDOVRUHTXHVWHGIRUWKHSODQWVSHFLILF'&'7LHUPDWHULDOGHSDUWXUHV

7KHUHTXHVWHG DPHQGPHQW SURSRVHV FKDQJHVWR &2/ $SSHQGL[ & DQG SODQWVSHFLILF7LHU   WR

UHIOHFWDQHZGHVLJQRIFRQWDLQPHQWVXPSOHYHOVHQVRUVZKLFKDIIHFWVWKHDFFHSWDQFHFULWHULRQIRU

WKH GHWHFWHG FRQWDLQPHQW VXPS OHYHO FKDQJH WHVW DQG WKH DVVRFLDWHG PLQLPXP GHWHFWDEOH

XQLGHQWLILHGOHDNDJHUDWHLQSODQWVSHFLILF'&'7LHULQIRUPDWLRQ

(QFORVXUH  SURYLGHV WKH GHVFULSWLRQ WHFKQLFDOHYDOXDWLRQ UHJXODWRU\ HYDOXDWLRQ LQFOXGLQJ WKH

6LJQLILFDQW +D]DUGV &RQVLGHUDWLRQ 'HWHUPLQDWLRQ  DQG HQYLURQPHQWDO FRQVLGHUDWLRQV IRU WKH

SURSRVHGFKDQJHV

(QFORVXUHSURYLGHVWKHEDFNJURXQGDQGVXSSRUWLQJEDVLVIRUWKHUHTXHVWHGH[HPSWLRQ

(QFORVXUH  LGHQWLILHV WKH UHTXHVWHG FKDQJHV DQG SURYLGHV PDUNXSV GHSLFWLQJ WKH UHTXHVWHG

FKDQJHVWRWKH9(*38QLWVDQGOLFHQVLQJEDVLVGRFXPHQWV

7KLVOHWWHUFRQWDLQVQRUHJXODWRU\FRPPLWPHQWV7KLVOHWWHUKDVEHHQUHYLHZHGDQGGHWHUPLQHG

QRWWRFRQWDLQVHFXULW\UHODWHGLQIRUPDWLRQ

61& UHTXHVWV 15& VWDII DSSURYDO RI WKH OLFHQVHDPHQGPHQW E\ 2FWREHU   WRVXSSRUW

LQVWDOODWLRQDQGWHUPLQDWLRQRIWKHFRQWDLQPHQWVXPSOHYHOWUDQVPLWWHUVLQWKHDX[LOLDU\EXLOGLQJ

U.S. Nuclear Regulatory Commission ND-18-0542 Page 2 of 4 Delayed approval of this license amendment could result in a delay in containment sump level transmitter installation and subsequent dependent construction activities. SNC expects to implement this proposed amendment within 30 days of approval of the requested changes.

In accordance with 10 CFR 50.91, SNC is notifying the State of Georgia by transmitting a copy of this letter and its enclosures to the designated State Official.

Should you have any questions, please contact Mr. Ryan Henderson at (205) 992-6426.

I declare under penalty of perjury that the foregoing is true and correct. Executed on the 261h of April2018.

Respectfully submitted, Wesley A parkma 1 Licensing Manager, Regulatory Affairs Southern Nuclear Operating Company Enclosures 1) Vogtle Electric Generating Plant (VEGP) Units 3 and 4- Request for License Amendment: Containment Sump Level Instrumentation (LAR-18-014)

2) Vogtle Electric Generating Plant (VEGP) Units 3 and 4- Exemption Request:

Containment Sump Level Instrumentation (LAR-18-014)

3) Vogtle Electric Generating Plant (VEGP) Units 3 and 4 - Proposed Changes to Licensing Basis Documents (LAR-18-014)

861XFOHDU5HJXODWRU\&RPPLVVLRQ

1'

3DJHRI





FF 

6RXWKHUQ1XFOHDU2SHUDWLQJ&RPSDQ\*HRUJLD3RZHU&RPSDQ\

0U6(.XF]\QVNL ZRHQFORVXUHV 

0U0'5DXFNKRUVW

0U'*%RVW ZRHQFORVXUHV 

0U0'0HLHU ZRHQFORVXUHV 

0U'+-RQHV ZRHQFORVXUHV 

0U-%.OHFKD

0U*&KLFN

0U'/0F.LQQH\ ZRHQFORVXUHV 

0U7:<HOYHUWRQ ZRHQFORVXUHV 

0U%+:KLWOH\

0V&$*D\KHDUW

0U&53LHUFH

0V$*$XJKWPDQ

0U'/)XOWRQ

0U0-<R[

0U-7XSLN

0U:$6SDUNPDQ

0V$&&KDPEHUODLQ

0V$/3XJK

0U)-5HGZDQ]

'RFXPHQW6HUYLFHV57<3(91'/,/

)LOH$5



1XFOHDU5HJXODWRU\&RPPLVVLRQ

0U:-RQHV ZRHQFORVXUHV 

0V-'L[RQ+HUULW\

0U&3DWHO

0V-0+HLVVHUHU

0U%.HPNHU

0U*.KRXUL

0V67HPSOH

0U)%URZQ

0U7(&KDQGOHU

0V3%UD[WRQ

0U7%ULPILHOG

0U&-(YHQ

0U$/HUFK



6WDWHRI*HRUJLD

0U5'XQQ













861XFOHDU5HJXODWRU\&RPPLVVLRQ

1'

3DJHRI









2JOHWKRUSH3RZHU&RUSRUDWLRQ

0U0:3ULFH

0U.7+D\QHV

0V$:KDOH\



0XQLFLSDO(OHFWULF$XWKRULW\RI*HRUJLD

0U-()XOOHU

0U60-DFNVRQ



'DOWRQ8WLOLWLHV

0U7%XQGURV



HVWLQJKRXVH(OHFWULF&RPSDQ\//&

0U/2ULDQL ZRHQFORVXUHV 

0U*.RXFKHUDY\ ZRHQFORVXUHV 

0U0&RUOHWWL

0U0/&O\GH

0V/,OOHU

0U'+DZNLQV

0U-&RZDUG



2WKHU

0U6:.OLQH%HFKWHO3RZHU&RUSRUDWLRQ

0V/$0DWLV7HWUD7HFK186,QF

'U:5-DFREV-U3K'*'6$VVRFLDWHV,QF

0U65RHWJHU*HRUJLD3XEOLF6HUYLFH&RPPLVVLRQ

0V6:.HUQL]DQ*HRUJLD3XEOLF6HUYLFH&RPPLVVLRQ

0U.&*UHHQH7URXWPDQ6DQGHUV

0U6%ODQWRQ%DOFK%LQJKDP

0U5*UXPELU$32*

1RFXPHQWLQ%R[#GXNHHQHUJ\FRP'XNH(QHUJ\

0U6)UDQ]RQH)ORULGD3RZHU /LJKW







Southern Nuclear Operating Company ND-18-0542 Enclosure 1 Vogtle Electric Generating Plant (VEGP) Units 3 and 4 Request for License Amendment:

Containment Sump Level Instrumentation (LAR-18-014)



7KLV(QFORVXUHFRQVLVWVRISDJHVLQFOXGLQJWKLVFRYHUSDJH 



1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





Table of Contents

 6800$5<'(6&5,37,21

 '(7$,/(''(6&5,37,21

 7(&+1,&$/(9$/8$7,21

 5(*8/$725<(9$/8$7,21

 $SSOLFDEOH5HJXODWRU\5HTXLUHPHQWV&ULWHULD

 3UHFHGHQW

 6LJQLILFDQW+D]DUGV&RQVLGHUDWLRQ

 &RQFOXVLRQV

 (19,5210(17$/&216,'(5$7,216

 5()(5(1&(6







3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





3XUVXDQWWR&)5 F DQGLQDFFRUGDQFHZLWK&)56RXWKHUQ1XFOHDU2SHUDWLQJ

&RPSDQ\ 61& KHUHE\UHTXHVWVDQDPHQGPHQWWR&RPELQHG/LFHQVH &2/ 1RV13)DQG

13)IRU9RJWOH(OHFWULF*HQHUDWLQJ3ODQW 9(*3 8QLWVDQGUHVSHFWLYHO\

1.

SUMMARY

DESCRIPTION 7KHSURSRVHGFKDQJHVZRXOGUHYLVHWKH&RPELQHG/LFHQVHV &2/V  LQUHJDUGWRWKHGHWHFWHG

OHYHOFKDQJHLQWKHFRQWDLQPHQWVXPSGXULQJWHVWLQJDQGWKHPLQLPXPGHWHFWDEOHOHDNUDWHDVD

UHVXOW RI WKH FKDQJHV WR WKH FRQWDLQPHQW VXPS OHYHO VHQVRUV DQG WKH FRQWDLQPHQW VXPS IUHH

YROXPH7KHSURSRVHGFKDQJHVYHULI\WKHDELOLW\RIWKHLQVWUXPHQWDWLRQWRGHWHFWDQ5&6OHDNRI

JSP7KHDELOLW\WRGHWHFWDJSP5&6OHDNPHHWVDSSOLFDEOHUHJXODWRU\JXLGHUHTXLUHPHQWV

FRPPLWWHGWRLQWKH8)6$5DQGSURYLGHVWKHDELOLW\WRPHHW7HFKQLFDO6SHFLILFDWLRQUHTXLUHPHQWV

IRU5&6/($.$*(DQGPDLQVWHDPOLQHOHDNDJH

7KH UHTXHVWHG DPHQGPHQW UHTXLUHV D FKDQJH WR &2/ $SSHQGL[ & DQG FRUUHVSRQGLQJ

SODQWVSHFLILF 7LHU  LQIRUPDWLRQ DQG LQYROYHV 8SGDWHG )LQDO 6DIHW\ $QDO\VLV 5HSRUW 8)6$5 

SODQWVSHFLILF 'HVLJQ &RQWURO 'RFXPHQW '&'  7LHU  LQIRUPDWLRQ 7KLV HQFORVXUH UHTXHVWV

DSSURYDORIWKHOLFHQVHDPHQGPHQWQHFHVVDU\WRLPSOHPHQWWKLVFKDQJHDQGLWVLQYROYHG8)6$5

FKDQJH

2. DETAILED DESCRIPTION

$V GHVFULEHG LQ 8)6$5 6XEVHFWLRQ  ³'HWHFWLRQ RI /HDNDJH 7KURXJK 5HDFWRU &RRODQW

3UHVVXUH %RXQGDU\' UHDFWRU FRRODQW SUHVVXUHERXQGDU\ 5&3%  OHDNDJH SURYLGHV D PHDQV RI

GHWHFWLQJDQGWRWKHH[WHQWSUDFWLFDOLGHQWLI\LQJWKHVRXUFHDQGTXDQWLI\LQJWKHUHDFWRUFRRODQW

OHDNDJH /HDNDJH GHWHFWLRQ PRQLWRULQJ LV DOVR PDLQWDLQHG LQ VXSSRUW RI WKH XVH RI

OHDNEHIRUHEUHDNFULWHULDIRUKLJKHQHUJ\SLSHLQFRQWDLQPHQW

8)6$5)LJXUHGHSLFWVWKHRYHUDOOOHDNGHWHFWLRQDSSURDFK3HU8)6$56XEVHFWLRQ

PHWKRGV RI GHWHFWLQJ XQLGHQWLILHG OHDNDJH LQVLGH FRQWDLQPHQW LQFOXGH FRQWDLQPHQW VXPS OHYHO

UHDFWRUFRRODQWV\VWHPLQYHQWRU\EDODQFHDQGFRQWDLQPHQWDWPRVSKHUHUDGLDWLRQ2WKHUPHWKRGV

WKDW FDQ EH HPSOR\HG LQFOXGH FRQWDLQPHQW DWPRVSKHUH SUHVVXUH WHPSHUDWXUH DQG KXPLGLW\

FRQWDLQPHQWZDWHUOHYHODQGYLVXDOLQVSHFWLRQ

$OHDNLQWKHUHDFWRUFRRODQWV\VWHP 5&6 RUIURPWKHPDLQVWHDPOLQHVLQVLGHFRQWDLQPHQWZRXOG

UHVXOWLQZDWHUIORZLQJLQWRWKHFRQWDLQPHQWVXPS7KUHHFRQWDLQPHQWVXPSOHYHOFKDQQHOV :/6

:/6DQG:/6 PRQLWRUWKHFRQWDLQPHQWVXPSIRULQFUHDVHVLQZDWHUOHYHO7KH

GDWD GLVSOD\ DQG SURFHVVLQJ V\VWHP 6  FRPSXWHV WKH OHDNDJH UDWH DQG WKH SODQW FRQWURO

V\VWHP 3/6 SURYLGHVDQDODUPLQWKHPDLQFRQWUROURRPLIWKHDYHUDJHFKDQJHLQOHDNUDWHGXULQJ

DQ\JLYHQPHDVXUHPHQWLQWHUYDOH[FHHGVJDOORQVSHUPLQXWH JSP IRUXQLGHQWLILHGOHDNDJH

7KHVHQVLWLYLW\RIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVLVVXFKWKDWWKH\FDQSURYLGHRSHUDWRUV

ZLWK DQ HDUO\ ZDUQLQJ VLJQDO VRWKDW WKH\ FDQ WDNH FRUUHFWLYH DFWLRQV EHIRUHWKH SODQW H[FHHGV

WHFKQLFDOVSHFLILFDWLRQOLPLWV

7KHFRQWDLQPHQWVXPSOHYHOFKDQQHOVDOVRSURYLGHWKH3/6FRQWUROVLJQDOIRUWKHVWDUWDQGVWRS

RIWKHFRQWDLQPHQWVXPSSXPSVZKHQWKHZDWHUOHYHOUHDFKHVWKHKLJKDQGORZVHWSRLQWVDQGIRU

WKHRSHQLQJDQGFORVLQJRIWKHFRQWDLQPHQWLVRODWLRQYDOYHV :/63/9DQG:/63/9 

RQWKHGLVFKDUJHOLQHIURPWKHFRQWDLQPHQWVXPSWRWKHZDVWHKROGXSWDQN 7KHVHVLJQDOVDUH

RYHUULGGHQ E\ FRQWDLQPHQW LVRODWLRQ VLJQDOV IURP WKH SURWHFWLRQ DQG VDIHW\ PRQLWRULQJ V\VWHP

306 DQGGLYHUVHDFWXDWLRQV\VWHP '$6 

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





$VGHVFULEHGLQ8)6$56XEVHFWLRQWKHFRQWDLQPHQWVXPSOHYHOLQVWUXPHQWVDUHWKH

SULPDU\PHWKRGRI5&3%OHDNGHWHFWLRQDIWHUDVDIHVKXWGRZQHDUWKTXDNH 66( 7KHVHQVRUV

DUHVHLVPLF&DWHJRU\,DQGWKHORFDORXWVLGHFRQWDLQPHQWGLVSOD\VIRUWKHVHVHQVRUVDUHTXDOLILHG

WREHRSHUDEOHDIWHUDQ66(7KHLQVWUXPHQWW\SHFXUUHQWO\VSHFLILHGIRUWKHFRQWDLQPHQWVXPS

ZDWHUOHYHOFKDQQHOVLVDQXOWUDVRQLFOHYHOVHQVRU7KHXOWUDVRQLFOHYHOLQVWUXPHQWVFRPPHUFLDOO\

DYDLODEOHDUHQRWGHVLJQHGIRUWKHFRQGLWLRQVWRZKLFKWKHFRQWDLQPHQWVXPSOHYHOLQVWUXPHQWV

PXVWEHTXDOLILHG,WKDVEHHQGHWHUPLQHGWKDWWKHSUREDELOLW\WKDWFRPSRQHQWVDPSOHVZLOOSDVV

WKHVHLVPLFTXDOLILFDWLRQWHVWLQJLVORZ$GGLWLRQDOO\LQWKH\HDUVVLQFHWKH$3GHVLJQZDV

FRQFHLYHG OHYHO LQVWUXPHQW PDQXIDFWXUHUV KDYH PRYHG DZD\ IURP DGYDQFLQJ WKH GHVLJQ RI

XOWUDVRQLF OHYHO LQVWUXPHQWV PDNLQJ WKH SURVSHFWV IRU GHYHORSLQJ D SURGXFW WKDW FDQ PHHW WKH

TXDOLILFDWLRQUHTXLUHPHQWVXQFHUWDLQ

,QDGGLWLRQWKHLQVSHFWLRQVWHVWVDQDO\VHVDQGDFFHSWDQFHFULWHULD ,7$$& IRUWKHFRQWDLQPHQW

VXPSOHYHOPRQLWRULQJFKDQQHOVUHTXLUHVWKDWWKHLQVWUXPHQWVGHPRQVWUDWHWKHFDSDELOLW\WRGHWHFW

DPDQXDOLQSXWWRWKHVXPSVXFKWKDWWKHZDWHUOHYHOULVHVE\LQFKHV7KHZDWHUOHYHO

ULVHRILQFKHVLVWKHOHYHOULVHHTXLYDOHQWWRWKHLQWURGXFWLRQRIJSPRIOHDNDJHIURPWKH

5&3% IRU RQH KRXU $V VKRZQ RQ 8)6$5 )LJXUH  WKHUH DUH WZR VXPS SXPSV

/603$% VXEPHUJHGLQWKHFRQWDLQPHQWVXPS7KHZDWHUOHYHOULVHIRUWKHFRQWDLQPHQW

VXPSOHYHO,7$$&LVEDVHGRQDQHVWLPDWHGHTXLSPHQWHQYHORSHRIWKHVHVXPSSXPSV$VWKH

SURFXUHPHQW RI WKHVH FRPSRQHQWV FRPPHQFHG D PRUH GHWDLOHG HTXLSPHQW RXWOLQH KDV EHHQ

GHWHUPLQHGIRUWKHVHSXPSV7KHSXPSVSURFXUHGGRQRWGLVSODFHWKHVDPHYROXPHDVDVVXPHG

LQ WKH GHYHORSPHQW RIWKH RULJLQDO DFFHSWDQFH FULWHULRQ LW FKDQJHV WKH FRQWDLQPHQW VXPSIUHH

YROXPH 7KHUHIRUHWKHH[LVWLQJDFFHSWDQFHFULWHULRQLVQRWOLPLWLQJDQGVKRXOGEHFKDQJHGWR

UHIOHFWWKHSURFXUHGHTXLSPHQW

7KHGHVLJQRIWKHFRQWDLQPHQWVXPSOHYHOVHQVRUVLVEHLQJFKDQJHGIURPXOWUDVRQLFWRJXLGHG

ZDYH UDGDU LQVWUXPHQWV 7KH XOWUDVRQLF OHYHO WUDQVPLWWHU VHQVRU HPLWV D KLJKIUHTXHQF\ VRXQG

SXOVHWKDWLVUHIOHFWHGRIIWKHVXUIDFHRIWKHSURGXFWEHLQJPHDVXUHG7KHXOWUDVRQLFVHQVRUOLVWHQV

IRUWKHHFKRFUHDWHGZKHQDVRXQGZDYHLVUHIOHFWHGE\WKHSURGXFWVXUIDFH7KHJXLGHGZDYH

UDGDUWHFKQRORJ\VHQVRUHPLWVDKLJKIUHTXHQF\HOHFWURPDJQHWLFSXOVH7KHSXOVHLVWUDQVPLWWHG

DORQJDSUREHWKDWLVVXEPHUJHGLQWKHIOXLGEHLQJPHDVXUHG7KHSXOVHLVUHIOHFWHGEDFNWRWKH

VHQVRU IURP WKH SRLQW ZKHUH WKH DLU PHHWV WKH IOXLG EHLQJ PHDVXUHG 7KH PLQLPXP UHVROXWLRQ

DFFXUDF\ RIWKHQHZVXPSOHYHOLQVWUXPHQWVGHWDLOHGLQWKHOLFHQVLQJEDVLVLVH[SHFWHGWREH

DIIHFWHGE\WKHLQVWUXPHQWFKDQJH LHLQFUHDVHG 

/LFHQVLQJ%DVLV&KDQJH'HVFULSWLRQV

7KHFKDQJHVWRWKHVXPSOHYHOPRQLWRULQJLQVWUXPHQWVDQGWKHFKDQJHWRWKHFRQWDLQPHQWVXPS

IUHHYROXPHFKDQJHVWKHVXPSOHYHOPRQLWRULQJV\VWHPPLQLPXPGHWHFWDEOHOHDNUDWHGHVFULEHG

LQ 8)6$5 6XEVHFWLRQ  IURP  JSP WR QR JUHDWHU WKDQ  JSP 7KHUH LV DOVR D

FODULILFDWLRQFKDQJHWRWKHVHQWHQFHWRDGG³UDWH'WRWKH³PLQLPXPGHWHFWDEOHOHDN'DVWKHYDOXH

VWDWHGLVDUDWH

7KH FKDQJHV DOVR UHTXLUH FKDQJHV WR ,7$$& DLL $FFHSWDQFH &ULWHULD WR UHIOHFW WKH

FKDQJHLQGHVLJQRIWKHVXPSOHYHOPRQLWRULQJV\VWHP7KH$FFHSWDQFH&ULWHULDLVSURSRVHGWREH

FKDQJHGIURPVXPSOHYHOFKDQQHOV:/6:/6DQG:/6EHLQJFDSDEOHRIGHWHFWLQJ

DFKDQJHRILQFKHVWRWKHVXPSOHYHOFKDQQHOVEHLQJFDSDEOHRIGHWHFWLQJDFKDQJHRI

LQFKHV

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





3. TECHNICAL EVALUATION 9RJWOH8QLWV &2/$SSHQGL[$7HFKQLFDO6SHFLILFDWLRQV 76 /LPLWLQJ&RQGLWLRQIRU2SHUDWLRQ

/&2 UHTXLUHVWKDW5&6RSHUDWLRQDO/($.$*(EHOLPLWHGWRJDOORQVSHUPLQXWH JSP 

XQLGHQWLILHG/($.$*(/&2UHTXLUHVWKDWPDLQVWHDPOLQHOHDNDJHWKURXJKWKHSLSHZDOOV

LQVLGHFRQWDLQPHQWEHJSP

2QH DVSHFW RI GHWHUPLQLQJ XQLGHQWLILHG 5&6 /($.$*( LV WKURXJK WKH XVH RI WKH FRQWDLQPHQW

VXPSZDWHUOHYHOFKDQQHOV$Q,7$$&H[LVWVWRFRQILUPWKDWWKHFRQWDLQPHQWVXPSZDWHUOHYHO

FKDQQHOVZRXOGEHDEOHWRGHWHFWDQ5&6OHDNE\DGGLQJDNQRZQYROXPHRIZDWHUWRWKHVXPS

DQGPHDVXULQJWKHULVHLQZDWHUOHYHO:KHQWKH,7$$&ZDVILUVWZULWWHQWKHFDOFXODWLRQDVVXPHG

DQ HQYHORSH IRU WKH VXEPHUVLEOH VXPS SXPSV ODUJHU WKDQ ZKDW ZDV XOWLPDWHO\ SURFXUHG 7KH

VPDOOHU SXPS UHVXOWV LQ D ODUJHU FURVVVHFWLRQDO DUHD DYDLODEOH LQ WKH FRQWDLQPHQW VXPS WKLV

PHDQVWKDWDVPDOOHULQFUHDVHLQOHYHOLVUHTXLUHGWRGHWHFWWKHVDPHYROXPHRIZDWHUDQGWKDWWKH

,7$$&$FFHSWDQFH&ULWHULDLVQRORQJHUFRQVHUYDWLYH LHWKHOHYHOVHQVRUQHHGHGWREHDEOHWR

GHWHFWDVPDOOHULQFUHDVHLQOHYHO 

7KHUHIRUHEDVHGRQWKHIUHHYROXPHH[SHFWHGLQWKHFRQWDLQPHQWVXPSDJSPOHDNUDWHLQ

FRQWDLQPHQWUHVXOWVLQWKHFRQWDLQPHQWVXPSOHYHOFKDQJLQJDWLQFKHVSHUPLQXWH$IWHU

DQKRXUWKHOHYHOZRXOGKDYHULVHQDSSUR[LPDWHO\LQFKHVZKLFKHTXDWHVWRDSSUR[LPDWHO\

RIXVDEOHKHLJKWRIWKHFRQWDLQPHQWVXPS7KHVXPSXVDEOHKHLJKWLVWKHKHLJKWIURPWKH

ERWWRP RIWKH VXPS WR FRUH PHOW KHDW VLQN KROHV GULOOHG LQ WKHWDQN 1RWH WKDWWKH ,7$$& OHYHO

FKDQJHRILVEDVHGRQFDOFXODWLRQDOPD[LPL]DWLRQRIVXPSFURVVVHFWLRQDODUHDXVHGLQWKH

OHYHO FKDQJH WKDW ZRXOG EH FDXVHG E\ WKH GHWHFWDEOH OHDN VL]H RI  JSP IRU RQH KRXU 7KH

UHTXLUHG WHVWLQJ OHYHO FKDQJH REWDLQHG ZLOO EH EHWZHHQ   DQG

  ZKLFK ERXQGV WHVWLQJ DFFXUDF\ HJ WHVW ZDWHU VRXUFH IORZ UDWH

PHDVXUHPHQW DQG WHVWLQJ HTXLSPHQW DFFXUDFLHV HWF  VXPS DVEXLOW GLPHQVLRQV DQG DFWXDO

VXPSXVDEOHFURVVVHFWLRQDODUHD7KHDELOLW\WRGHWHFWDOHDNRIWKLVVL]HZLWKLQDQKRXULVUHTXLUHG

LQ 5HJXODWRU\ *XLGH  5*   ³5HDFWRU &RRODQW 3UHVVXUH %RXQGDU\ /HDNDJH 'HWHFWLRQ

6\VWHPV'DVFRPPLWWHGWRLQWKHOLFHQVLQJEDVLV7KHJXLGHGZDYHUDGDUVHQVRULVFDSDEOHRI

GHWHFWLQJWKLVFKDQJHLQOHYHOLQDQKRXU

%DVHGRQWKHVHQVRUUHVROXWLRQZDWHUYROXPHXQFHUWDLQW\DQGXQFHUWDLQW\RIWKHDVEXLOWVXPS

GLPHQVLRQV DQ XQFHUWDLQW\ RI   LQFKHV LV ERXQGLQJ IRU WKH H[SHFWHG WHVWLQJ FRQGLWLRQV

7KHUHIRUH WKH UHYLVHG ,7$$& $FFHSWDQFH &ULWHULD    LQFKHV  DSSURSULDWHO\ UHIOHFWV D

FRQVHUYDWLYH UHSUHVHQWDWLRQ RI WKH H[SHFWHG FRQWDLQPHQW VXPS FRQILJXUDWLRQ FRPSOLHV ZLWK

DSSOLFDEOHUHJXODWRU\JXLGDQFHDQG7HFKQLFDO6SHFLILFDWLRQVIRUGHWHFWLQJOHDNVDQGLVZLWKLQWKH

FDSDELOLW\RIJXLGHGZDYHUDGDUVHQVRUVWRGHWHFWDQGLVH[SHFWHGWRPHHWVHLVPLFTXDOLILFDWLRQ

UHTXLUHPHQWV

 &)5  $SSHQGL[ $*HQHUDO 'HVLJQ &ULWHULRQ  *'& UHTXLUHVPHDQVIRU GHWHFWLQJ

DQG WR WKH H[WHQW SUDFWLFDO LGHQWLI\LQJ WKH VRXUFH RI UHDFWRU FRRODQW /($.$*( 5* 

GHVFULEHVVXPSOHYHODQGIORZPRQLWRULQJDVDFFHSWDEOHPHWKRGVIRUVHOHFWLQJOHDNDJHGHWHFWLRQ

V\VWHPV5*VSHFLILHVWKDWWKHSODQWVKRXOGXVHOHDNDJHGHWHFWLRQV\VWHPVZLWKDUHVSRQVH

WLPHRIQRJUHDWHUWKDQKRXUIRUDOHDNDJHUDWHRIJSP5*DOVRVWDWHVWKDWOHDNDJHWR

WKHSULPDU\UHDFWRUFRQWDLQPHQWIURPXQLGHQWLILHGVRXUFHVVKRXOGEHFROOHFWHGDQGWKHIORZUDWH

PRQLWRUHGZLWKDQDFFXUDF\RIJSPRUEHWWHU7KHJXLGHGZDYHUDGDUOHYHOLQVWUXPHQWZLOOEH

FDSDEOH RI D UHVROXWLRQ RI   LQFKHV RU EHWWHU %\ FRQYHUWLQJ WKLV OHYHO WR PDVV DW QRUPDO

FRQWDLQPHQW SUHVVXUH DQG WHPSHUDWXUH LW FDQ WKHQ EH FRQYHUWHG WR YROXPHWULF IORZ DW 5&6

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





SUHVVXUHDQGWHPSHUDWXUHWRGHWHUPLQHWKHHTXLYDOHQW5&6OHDNGHWHFWLRQIORZUDWH7KHFKDQJH

WRJXLGHGZDYHUDGDUVXPSOHYHOLQVWUXPHQWVUHVXOWVLQDPLQLPXPGHWHFWDEOHOHDNIORZUDWHRI

JSPZKLFKLVEHORZWKHJSPJXLGDQFH$JSPPLQLPXPGHWHFWDEOHOHDNUDWHUHVXOWV

LQ D GHWHFWDEOH FRQWDLQPHQW VXPS OHYHO FKDQJH LQ DSSUR[LPDWHO\  PLQXWHV 7KHUHIRUH WKH

SURSRVHGFKDQJHWRWKHPLQLPXPGHWHFWDEOHOHDNUDWHIURPJSPWRDGHWHFWDEOHOHDNUDWHQR

JUHDWHUWKDQJSPPDLQWDLQVFRPSOLDQFHZLWK*'&DQGWKHJXLGDQFHRI5*

7KHFKDQJHVWRWKHPLQLPXPGHWHFWDEOHOHDNUDWHDQGUHVROXWLRQRIWKHFRQWDLQPHQWVXPSOHYHO

PRQLWRULQJLQVWUXPHQWVKDYHQRDGYHUVHHIIHFWRQWKHGHVLJQIXQFWLRQRIWKHLQVWUXPHQWVWRGHWHFW

XQLGHQWLILHGOHDNDJHLQFRQWDLQPHQWDQGWRSURYLGHVLJQDOVWRVWDUWDQGVWRSWKH:/6VXPSSXPSV

DQGWRRSHQDQGFORVHWKHFRQWDLQPHQWLVRODWLRQYDOYHVRQWKHGLVFKDUJHOLQHIURPWKHFRQWDLQPHQW

VXPSWRWKHZDVWHKROGXSWDQN

7KHVXPSLVDGHTXDWHO\VL]HGWRDFFHSWJUHDWHUWKDQJDOORQVRIZDWHUEHWZHHQSXPSLQJF\FOHV

7KHFKDQJHLQVXPSOHYHOPRQLWRULQJLQVWUXPHQWVKDVQRDGYHUVHHIIHFWRQWKHDELOLW\WRGHWHFWD

 JSP OHDN LQ FRQWDLQPHQW DQG WKHUHIRUH KDV QR DGYHUVH HIIHFW RQ GHVLJQ FULWHULD IRU

OHDNEHIRUHEUHDN

7KHW\SHVDQGTXDQWLWLHVRIH[SHFWHGHIIOXHQWVDUHQRWFKDQJHGDQGQRHIIOXHQWUHOHDVHSDWKLV

DGYHUVHO\DIIHFWHGE\WKHSURSRVHGFKDQJHV7KHUHIRUHUDGLRDFWLYHRUQRQUDGLRDFWLYHPDWHULDO

HIIOXHQWVDUHQRWDIIHFWHGE\WKHSURSRVHGFKDQJHV

3ODQW UDGLDWLRQ ]RQHV DV GHVFULEHG LQ 8)6$5 6HFWLRQ   FRQWUROV XQGHU  &)5  DQG

H[SHFWHGDPRXQWVDQGW\SHVRIUDGLRDFWLYHPDWHULDOVDUHQRWDIIHFWHGE\WKHSURSRVHGFKDQJHV

7KHUHIRUHLQGLYLGXDODQGFXPXODWLYHUDGLDWLRQH[SRVXUHVGRQRWFKDQJH

7KHFKDQJHGRHVQRWUHVXOWLQDQ\FKDQJHLQDFFHVVWRWKHFRQWDLQPHQWVXPSZDWHUOHYHOFKDQQHOV

LQ WKH DX[LOLDU\ RU FRQWDLQPHQW EXLOGLQJV DQG GRHV QRW UHVXOW LQ DQ DGYHUVH HIIHFW RQ WKH VLWH

HPHUJHQF\SODQVLQFHOHDNGHWHFWLRQFDSDELOLW\LVPDLQWDLQHGZLWKLQUHJXODWRU\JXLGDQFHDQGWKH

WHFKQLFDOVSHFLILFDWLRQV7KHUHIRUHWKHUHLVQRDGYHUVHHIIHFWRQVDIHW\DQGVHFXULW\LQFOXGLQJWKH

VLWHHPHUJHQF\SODQDVDUHVXOWRIWKHSURSRVHGFKDQJHV

6XPPDU\

7KHSURSRVHGFKDQJHLVWRWKHFRQWDLQPHQWVXPSZDWHUOHYHOLQVWUXPHQWDWLRQDQGLWVH[SHFWHG

5&6OHDNDJHGHWHFWLRQFDSDELOLW\7KHDERYHSURSRVHGFKDQJHVZRXOGQRWDGYHUVHO\DIIHFWDQ\

VDIHW\UHODWHG HTXLSPHQW RU IXQFWLRQ GHVLJQ IXQFWLRQ UDGLRDFWLYH PDWHULDO EDUULHU RU VDIHW\

DQDO\VLV

4. REGULATORY EVALUATION 4.1 Applicable Regulatory Requirements/Criteria

&)5 I UHTXLUHV15&DSSURYDOIRUDQ\PRGLILFDWLRQWRDGGLWLRQWRRUGHOHWLRQ

IURP WKH WHUPV DQG FRQGLWLRQV RI D FRPELQHG OLFHQVH &2/  7KH SURSRVHG FKDQJH

LQYROYHVDFKDQJHWR&2/$SSHQGL[& DQGSODQWVSHFLILF'&'7LHU ,QVSHFWLRQV7HVWV

$QDO\VHV DQG $FFHSWDQFH &ULWHULD ,7$$&  LQIRUPDWLRQ 7KHUHIRUH 15& DSSURYDO LV

UHTXLUHG SULRUWRPDNLQJ WKH SODQWVSHFLILF SURSRVHG FKDQJH LQ WKLV OLFHQVH DPHQGPHQW

UHTXHVW

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





&)5$SSHQGL['6HFWLRQ9,,,%DDOORZVDQDSSOLFDQWRUOLFHQVHHZKRUHIHUHQFHV

WKLVDSSHQGL[WRGHSDUWIURP7LHULQIRUPDWLRQZLWKRXWSULRU15&DSSURYDOXQOHVVWKH

SURSRVHG GHSDUWXUH LQYROYHV D FKDQJH WR RU GHSDUWXUH IURP 7LHU  LQIRUPDWLRQ 7LHU  

LQIRUPDWLRQ RU WKH 7HFKQLFDO 6SHFLILFDWLRQV RU UHTXLUHV D OLFHQVH DPHQGPHQW XQGHU

SDUDJUDSKV %E RU %F RI WKH VHFWLRQ  7KH SURSRVHG FKDQJH LQYROYHV D FKDQJH WR

SODQWVSHFLILF '&' 7LHU  DQG &2/ $SSHQGL[ &  ,7$$& LQIRUPDWLRQ  7KHUHIRUH 15&

DSSURYDOLVUHTXLUHGSULRUWRPDNLQJWKHFKDQJHWR7LHULQIRUPDWLRQ

 &)5 3DUW  $SSHQGL[ $ *HQHUDO 'HVLJQ &ULWHULRQ *'&   ³'HVLJQ EDVHV IRU

SURWHFWLRQ DJDLQVW QDWXUDO SKHQRPHQD' UHTXLUHV WKDW V\VWHPV VWUXFWXUHV DQG

FRPSRQHQWV LPSRUWDQW WR VDIHW\ EH GHVLJQHG WR ZLWKVWDQG WKH HIIHFWV RI QDWXUDO

SKHQRPHQDVXFKDVHDUWKTXDNHVWRUQDGRHVKXUULFDQHVIORRGVWVXQDPLVDQGVHLFKHV

ZLWKRXWORVVRIFDSDELOLW\WRSHUIRUPWKHLUVDIHW\IXQFWLRQV7KHSURSRVHGFKDQJHWRWKH

FRQWDLQPHQW VXPS ZDWHU OHYHO VHQVRUV HQVXUHV WKDW D VHQVRU FDQ EH SURFXUHG ZKLFK

GHWHFWVWKHUHTXLUHGOHYHOULVHDQGDVVRFLDWHGOHDNUDWHZKLOHPHHWLQJWKHUHTXLUHGVHLVPLF

TXDOLILFDWLRQ7KHUHIRUHWKHSURSRVHGFKDQJHFRPSOLHVZLWKWKHUHTXLUHPHQWVRI*'&

 &)5 3DUW  $SSHQGL[ $ *'&  ³4XDOLW\RIUHDFWRU FRRODQW SUHVVXUH ERXQGDU\'

UHTXLUHVWKDWWKHFRPSRQHQWVZKLFKDUHSDUWRIWKHUHDFWRUFRRODQWSUHVVXUHERXQGDU\EH

GHVLJQHGIDEULFDWHG HUHFWHG DQGWHVWHGWRWKH KLJKHVWTXDOLW\ VWDQGDUGV SUDFWLFDO DQG

WKDWPHDQVEHSURYLGHGIRUGHWHFWLQJDQGWRWKHH[WHQWSUDFWLFDOLGHQWLI\LQJWKHORFDWLRQ

RIWKHVRXUFHRIUHDFWRUFRRODQWOHDNDJH7KHSURSRVHGFKDQJHWRWKHFRQWDLQPHQWVXPS

ZDWHUOHYHOVHQVRUVPDLQWDLQVWKHFDSDELOLW\WRGHWHFWXQLGHQWLILHGUHDFWRUFRRODQWOHDNDJH

ZLWKLQ UDWHV UHTXLUHG E\ WKH 7HFKQLFDO 6SHFLILFDWLRQV DQG 5HJXODWRU\ *XLGH  DV

FRPPLWWHG WR LQ WKH 8)6$5 SODQWVSHFLILF '&'  7KHUHIRUH WKH SURSRVHG FKDQJH

FRPSOLHVZLWKWKHUHTXLUHPHQWVRI*'&

4.2 Precedent

1RSUHFHGHQWLVLGHQWLILHG

4.3 Significant Hazards Consideration 7KH SURSRVHG FKDQJH LV WR WKH FRQWDLQPHQW VXPS ZDWHU OHYHO LQVWUXPHQWDWLRQ DQG LWV

H[SHFWHGUHDFWRUFRRODQWV\VWHP 5&6 OHDNDJHGHWHFWLRQFDSDELOLW\

7KHUHTXHVWHGDPHQGPHQWSURSRVHVDFKDQJHWR8SGDWHG)LQDO6DIHW\$QDO\VLV5HSRUW

8)6$5  7LHU  LQIRUPDWLRQ ZKLFK LQYROYHV D FKDQJH WR &2/ $SSHQGL[ & DQG

FRUUHVSRQGLQJSODQWVSHFLILF7LHULQIRUPDWLRQ

$QHYDOXDWLRQWRGHWHUPLQHZKHWKHURUQRWDVLJQLILFDQWKD]DUGVFRQVLGHUDWLRQLVLQYROYHG

ZLWKWKHSURSRVHGDPHQGPHQWZDVFRPSOHWHGE\IRFXVLQJRQWKHWKUHHVWDQGDUGVVHWIRUWK

LQ&)5³,VVXDQFHRIDPHQGPHQW'DVGLVFXVVHGEHORZ

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





4.3.1 Does the proposed amendment involve a significant increase in the probability or consequences of an accident previously evaluated?

5HVSRQVH 1R

7KHSURSRVHGFKDQJHLVWRWKHFRQWDLQPHQWVXPSZDWHUOHYHOLQVWUXPHQWDWLRQDQG

LWV H[SHFWHG 5&6 OHDNDJH GHWHFWLRQ FDSDELOLW\ 7KH DIIHFWHG HTXLSPHQW LV QRW

VDIHW\UHODWHG EXW WKH FRQWDLQPHQW VXPS ZDWHU OHYHO VHQVRUV DUH VHLVPLFDOO\

TXDOLILHG7KHFKDQJHLQFRQWDLQPHQWVXPSOHYHOPRQLWRULQJLQVWUXPHQWVKDVQR

DGYHUVHHIIHFWRQWKHDELOLW\WRGHWHFWDJSPOHDNLQFRQWDLQPHQWDQGWKHUHIRUH

KDVQRDGYHUVHHIIHFWRQGHVLJQFULWHULDIRUOHDNEHIRUHEUHDN7KHFKDQJHGRHV

QRW DIIHFW WKH RSHUDWLRQ RI DQ\ V\VWHPV RU HTXLSPHQW WKDW LQLWLDWH DQ DQDO\]HG

DFFLGHQWRUDOWHUDQ\VWUXFWXUHVV\VWHPVDQGFRPSRQHQWV 66& DFFLGHQWLQLWLDWRU

RULQLWLDWLQJVHTXHQFHRIHYHQWV

%HFDXVHWKHFRQWDLQPHQWVXPSZDWHUOHYHOPRQLWRULQJFKDQQHOVDUHVWLOOFDSDEOH

RIGHWHFWLQJDJSPOHDNLQFRQWDLQPHQWWKHFKDQJHWRWKH66&KDVQRHIIHFW

RQ SODQW RSHUDWLRQV 7KHUH LV QR FKDQJH WR SODQW V\VWHPV RU WKH UHVSRQVH RI

V\VWHPVWRSRVWXODWHGDFFLGHQWFRQGLWLRQV7KHUHLVQRFKDQJHWRWKHSUHGLFWHG

UDGLRDFWLYHUHOHDVHVGXHWRQRUPDORSHUDWLRQRUSRVWXODWHGDFFLGHQWFRQGLWLRQV

7KHUHIRUHWKHSURSRVHGDPHQGPHQWGRHVQRWLQYROYHDVLJQLILFDQWLQFUHDVHLQWKH

SUREDELOLW\RUFRQVHTXHQFHVRIDQDFFLGHQWSUHYLRXVO\HYDOXDWHG

4.3.2 Does the proposed amendment create the possibility of a new or different kind of accident from any accident previously evaluated?

5HVSRQVH 1R

7KHSURSRVHGFKDQJHGRHVQRWDIIHFWWKHRSHUDWLRQRIDQ\V\VWHPVRUHTXLSPHQW

WKDWPD\LQLWLDWHDQHZRUGLIIHUHQWNLQGRIDFFLGHQWRUDOWHUDQ\66&VXFKWKDWD

QHZ DFFLGHQW LQLWLDWRU RU LQLWLDWLQJ VHTXHQFH RI HYHQWV LV FUHDWHG 7KH SURSRVHG

FKDQJHWRWKHFRQWDLQPHQWVXPSZDWHUOHYHOLQVWUXPHQWDWLRQDQGLWVH[SHFWHG5&6

OHDNDJH GHWHFWLRQ FDSDELOLW\ KDV QR DGYHUVH HIIHFW RQ WKH DELOLW\ WR GHWHFW D 

JSPOHDNLQFRQWDLQPHQW7KHFRQWDLQPHQWVXPSOHYHOLQVWUXPHQWDWLRQIXQFWLRQV

DUHXQFKDQJHGDQGOHDNEHIRUHEUHDNGHVLJQFULWHULDDUHQRWDGYHUVHO\DIIHFWHG

/RVVRIFRRODQWDFFLGHQWVIRUDVSHFWUXPRISLSHVL]HVDQGORFDWLRQVDUHDOUHDG\

SRVWXODWHG LQ 8)6$5 &KDSWHU  6HFWLRQ %UHDNV LQWKH PDLQ VWHDP OLQHV

LQVLGH FRQWDLQPHQW DUH DOVR DQDO\]HG LQ 8)6$5 &KDSWHU  6HFWLRQ 

8QLGHQWLILHG OHDNDJH GHWHFWLRQ DQG RSHUDWRU DFWLRQ LQ UHVSRQVH WR XQLGHQWLILHG

OHDNDJHDUHQRWSRVWXODWHGIRUDQ\RIWKHGHVLJQEDVLVDFFLGHQWDQDO\VHVGHVFULEHG

LQ8)6$5&KDSWHU

7KHUHIRUHWKHSURSRVHGDPHQGPHQWGRHVQRWFUHDWHWKHSRVVLELOLW\RIDQHZRU

GLIIHUHQWNLQGRIDFFLGHQWIURPDQ\DFFLGHQWSUHYLRXVO\HYDOXDWHG

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





4.3.3 Does the proposed amendment involve a significant reduction in a margin of safety?

5HVSRQVH 1R

7KHGHVFULEHGFKDQJHWRWKHFRQWDLQPHQWVXPSZDWHUOHYHOLQVWUXPHQWDWLRQDQG

LWVH[SHFWHG5&6OHDNDJHGHWHFWLRQFDSDELOLW\LVSURSRVHGWRYHULI\WKDWWKHDELOLW\

WRGHWHFWDJSPOHDNLQFRQWDLQPHQWLVPDLQWDLQHG7KHSURSRVHGFKDQJHGRHV

QRWDOWHUDQ\VDIHW\UHODWHGHTXLSPHQWDSSOLFDEOHGHVLJQFRGHVFRGHFRPSOLDQFH

GHVLJQIXQFWLRQ RU VDIHW\ DQDO\VLV %\ HQVXULQJWKDW WKH FKRVHQ HTXLSPHQW FDQ

GHWHFW D  JSP OHDN LQ FRQWDLQPHQW ZLWK WKH GHVFULEHG DFFXUDF\ JXLGDQFH LQ

5HJXODWRU\ *XLGH 5HYLVLRQ  DV FRPPLWWHG WR LQ WKH 8)6$5 DQG

UHTXLUHPHQWV LQ WKH 7HFKQLFDO 6SHFLILFDWLRQV DUH PHW ZKLFK HQVXUHV WKDW

OHDNEHIRUHEUHDN GHVLJQ FULWHULD DUH QRW DGYHUVHO\ DIIHFWHG &RQVHTXHQWO\ QR

VDIHW\ DQDO\VLV RU GHVLJQ EDVLV DFFHSWDQFH OLPLWFULWHULRQ LV FKDOOHQJHG RU

H[FHHGHGE\WKHSURSRVHGFKDQJHWKXVWKHPDUJLQRIVDIHW\LVQRWUHGXFHG

7KHUHIRUHWKHSURSRVHGDPHQGPHQWGRHVQRWLQYROYHDVLJQLILFDQWUHGXFWLRQLQD

PDUJLQRIVDIHW\

%DVHG RQ WKH DERYH LW LV FRQFOXGHG WKDW WKH SURSRVHG DPHQGPHQW GRHV QRW LQYROYH D

VLJQLILFDQWKD]DUGVFRQVLGHUDWLRQXQGHUWKHVWDQGDUGVVHWIRUWKLQ&)5 F DQG

DFFRUGLQJO\DILQGLQJRI³QRVLJQLILFDQWKD]DUGVFRQVLGHUDWLRQ'LVMXVWLILHG

4.4 Conclusions

,Q FRQFOXVLRQ EDVHG RQ WKH FRQVLGHUDWLRQV GLVFXVVHG DERYH   WKHUH LV UHDVRQDEOH

DVVXUDQFHWKDWWKHKHDOWKDQGVDIHW\RIWKHSXEOLFZLOOQRWEHHQGDQJHUHGE\RSHUDWLRQLQ

WKH SURSRVHG PDQQHU   VXFK DFWLYLWLHV ZLOO EH FRQGXFWHG LQ FRPSOLDQFH ZLWK WKH

&RPPLVVLRQ¶VUHJXODWLRQVDQG  WKHLVVXDQFHRIWKHDPHQGPHQWZLOOQRWEHLQLPLFDOWR

WKHFRPPRQGHIHQVHDQGVHFXULW\RUWRWKHKHDOWKDQGVDIHW\RIWKHSXEOLF3XUVXDQWWR

&)5 WKH UHTXHVWHG FKDQJH GRHV QRW LQYROYH D 6LJQLILFDQW +D]DUGV

&RQVLGHUDWLRQ

5. ENVIRONMENTAL CONSIDERATIONS 7KHGHWDLOVRIWKHSURSRVHGFKDQJHDUHSURYLGHGLQ6HFWLRQVDQGRIWKLVOLFHQVHDPHQGPHQW

UHTXHVW

7KH SURSRVHG FKDQJH ZRXOG UHYLVH WKH FRQWDLQPHQW VXPS ZDWHU OHYHO LQVWUXPHQWDWLRQ DQG LWV

H[SHFWHGUHDFWRUFRRODQWV\VWHP 5&6 OHDNDJHGHWHFWLRQFDSDELOLW\

7KH SURSRVHG FKDQJH UHTXLUHV FKDQJHV WR 8SGDWHG )LQDO 6DIHW\ $QDO\VLV 5HSRUW 8)6$5 

LQIRUPDWLRQZKLFKLQYROYHVDFKDQJHWRWKH&2/$SSHQGL[&DQGFRUUHVSRQGLQJSODQWVSHFLILF

7LHULQIRUPDWLRQ

7KLV UHYLHZ KDV GHWHUPLQHG WKDW WKH SURSRVHG FKDQJH UHTXLUHV DQ DPHQGPHQW WR WKH &2/

+RZHYHU D UHYLHZ RI WKH DQWLFLSDWHG FRQVWUXFWLRQ DQG RSHUDWLRQDO HIIHFWV RI WKH UHTXHVWHG

DPHQGPHQW KDV GHWHUPLQHG WKDW WKH UHTXHVWHG DPHQGPHQW PHHWV WKH HOLJLELOLW\ FULWHULD IRU

FDWHJRULFDOH[FOXVLRQVHWIRUWKLQ&)5 F  LQWKDW

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





L 7KHUHLVQRVLJQLILFDQWKD]DUGVFRQVLGHUDWLRQ

$V GRFXPHQWHG LQ 6HFWLRQ  6LJQLILFDQW +D]DUGV &RQVLGHUDWLRQ RI WKLV OLFHQVH

DPHQGPHQW UHTXHVW DQ HYDOXDWLRQ ZDV FRPSOHWHG WR GHWHUPLQH ZKHWKHU RU QRW D

VLJQLILFDQWKD]DUGVFRQVLGHUDWLRQLVLQYROYHGE\IRFXVLQJRQWKHWKUHHVWDQGDUGVVHWIRUWK

LQ &)5 ³,VVXDQFH RI DPHQGPHQW'  7KH 6LJQLILFDQW +D]DUGV &RQVLGHUDWLRQ

GHWHUPLQHGWKDW  WKHUHTXHVWHGDPHQGPHQWGRHVQRWLQYROYHDVLJQLILFDQWLQFUHDVHLQ

WKH SUREDELOLW\ RU FRQVHTXHQFHV RI DQ DFFLGHQWSUHYLRXVO\ HYDOXDWHG   WKH UHTXHVWHG

DPHQGPHQWGRHVQRWFUHDWHWKHSRVVLELOLW\RIDQHZRUGLIIHUHQWNLQGRIDFFLGHQWIURPDQ\

DFFLGHQW SUHYLRXVO\ HYDOXDWHG DQG   WKH UHTXHVWHG DPHQGPHQW GRHV QRW LQYROYH D

VLJQLILFDQWUHGXFWLRQLQDPDUJLQRIVDIHW\7KHUHIRUHLWLVFRQFOXGHGWKDWWKHUHTXHVWHG

DPHQGPHQWGRHVQRWLQYROYHDVLJQLILFDQWKD]DUGVFRQVLGHUDWLRQXQGHUWKHVWDQGDUGVVHW

IRUWK LQ &)5 F  DQG DFFRUGLQJO\ D ILQGLQJ RI ³QR VLJQLILFDQW KD]DUGV

FRQVLGHUDWLRQ'LVMXVWLILHG

LL  7KHUHLVQRVLJQLILFDQWFKDQJHLQWKHW\SHVRUVLJQLILFDQWLQFUHDVHLQWKHDPRXQWVRIDQ\

HIIOXHQWVWKDWPD\EHUHOHDVHGRIIVLWH

7KHSURSRVHGFKDQJHLQWKHUHTXHVWHGDPHQGPHQWWRWKHFRQWDLQPHQWVXPSZDWHUOHYHO

LQVWUXPHQWDWLRQ DQG LWV H[SHFWHG 5&6 OHDNDJH GHWHFWLRQ FDSDELOLW\ HQVXUHV WKDW WKH

FDSDELOLW\ WR GHWHFW D  JSP OHDN LQVLGH FRQWDLQPHQW LV QRW DIIHFWHG 7KH SURSRVHG

FKDQJHLVXQUHODWHGWRDQ\DVSHFWRISODQWFRQVWUXFWLRQRURSHUDWLRQWKDWZRXOGLQWURGXFH

DQ\ FKDQJH WR HIIOXHQW W\SHV HJ HIIOXHQWV FRQWDLQLQJ FKHPLFDOV RU ELRFLGHV VDQLWDU\

V\VWHPHIIOXHQWVDQGRWKHUHIIOXHQWV RUDIIHFWDQ\SODQWUDGLRORJLFDORUQRQUDGLRORJLFDO

HIIOXHQWUHOHDVHTXDQWLWLHV)XUWKHUPRUHWKHSURSRVHGFKDQJHGRHVQRWDIIHFWDQ\HIIOXHQW

UHOHDVH SDWK RU GLPLQLVK WKHIXQFWLRQDOLW\ RI DQ\GHVLJQ RU RSHUDWLRQDOIHDWXUHV WKDW DUH

FUHGLWHG ZLWK FRQWUROOLQJWKHUHOHDVH RIHIIOXHQWVGXULQJ SODQW RSHUDWLRQ 7KHUHIRUH LW LV

FRQFOXGHG WKDW WKH UHTXHVWHG DPHQGPHQW GRHV QRW LQYROYH D VLJQLILFDQW FKDQJH LQ WKH

W\SHVRUDVLJQLILFDQWLQFUHDVHLQWKHDPRXQWVRIDQ\HIIOXHQWVWKDWPD\EHUHOHDVHGRIIVLWH

LLL  7KHUHLVQRVLJQLILFDQWLQFUHDVHLQLQGLYLGXDORUFXPXODWLYHRFFXSDWLRQDOUDGLDWLRQ

H[SRVXUH

7KH SURSRVHG FKDQJH WR WKH FRQWDLQPHQW VXPS OHYHO LQVWUXPHQWDWLRQ DQG LWV H[SHFWHG

5&6 OHDNDJH GHWHFWLRQ FDSDELOLW\ HQVXUHV WKDW WKH FDSDELOLW\ WR GHWHFW D  JSP OHDN

LQVLGH FRQWDLQPHQW LV QRW DIIHFWHG 3ODQW UDGLDWLRQ ]RQHV DGGUHVVHG LQ 8)6$5

6HFWLRQ  DUH QRW DIIHFWHG DQG FRQWUROV XQGHU &)5 SUHFOXGH D VLJQLILFDQW

LQFUHDVHLQRFFXSDWLRQDOUDGLDWLRQH[SRVXUH7KHUHIRUHWKHUHTXHVWHGDPHQGPHQWGRHV

QRW LQYROYH D VLJQLILFDQW LQFUHDVH LQ LQGLYLGXDO RU FXPXODWLYH RFFXSDWLRQDO UDGLDWLRQ

H[SRVXUH

%DVHGRQWKHDERYHUHYLHZRIWKHUHTXHVWHGDPHQGPHQWLWKDVEHHQGHWHUPLQHGWKDWDQWLFLSDWHG

FRQVWUXFWLRQDQGRSHUDWLRQDOHIIHFWVRIWKHUHTXHVWHGDPHQGPHQWGRQRWLQYROYH L DVLJQLILFDQW

KD]DUGVFRQVLGHUDWLRQ LL DVLJQLILFDQWFKDQJHLQWKHW\SHVRUVLJQLILFDQWLQFUHDVHLQWKHDPRXQWV

RI DQ\ HIIOXHQWV WKDW PD\ EH UHOHDVHG RIIVLWH RU LLL  D VLJQLILFDQW LQFUHDVH LQ LQGLYLGXDO RU

FXPXODWLYHRFFXSDWLRQDOUDGLDWLRQH[SRVXUH$FFRUGLQJO\WKHUHTXHVWHGDPHQGPHQWPHHWVWKH

HOLJLELOLW\FULWHULDIRUFDWHJRULFDOH[FOXVLRQVHWIRUWKLQ&)5 F  7KHUHIRUHSXUVXDQWWR

&)5 E  DQ HQYLURQPHQWDO LPSDFW VWDWHPHQW RU HQYLURQPHQWDO DVVHVVPHQW RI WKH

SURSRVHGH[HPSWLRQLVQRWUHTXLUHG

3DJHRI

1'

(QFORVXUH

5HTXHVWIRU/LFHQVH$PHQGPHQW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





6. REFERENCES 1RQH

3DJHRI



Southern Nuclear Operating Company ND-18-0542 Enclosure 2 Vogtle Electric Generating Plant (VEGP) Units 3 and 4 Exemption Request:

Containment Sump Level Instrumentation (LAR-18-014)



7KLV(QFORVXUHFRQVLVWVRISDJHVLQFOXGLQJWKLVFRYHUSDJH)



1'

(QFORVXUH

([HPSWLRQ5HTXHVW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





1.0 Purpose 6RXWKHUQ1XFOHDU2SHUDWLQJ&RPSDQ\ WKH/LFHQVHH UHTXHVWVDSHUPDQHQWH[HPSWLRQ

IURPWKHSURYLVLRQVRI&)5$SSHQGL['6HFWLRQ,,,%'HVLJQ&HUWLILFDWLRQ5XOHIRU

WKH $3 'HVLJQ 6FRSH DQG &RQWHQWV WR DOORZ D GHSDUWXUH IURP HOHPHQWV RI WKH

FHUWLILFDWLRQLQIRUPDWLRQLQ7LHURIWKHJHQHULF$3'HVLJQ&RQWURO'RFXPHQW '&' 

7KH UHJXODWLRQ &)5 $SSHQGL[' 6HFWLRQ,,,% UHTXLUHV DQ DSSOLFDQW RU OLFHQVHH

UHIHUHQFLQJ$SSHQGL['WR&)53DUWWRLQFRUSRUDWHE\UHIHUHQFHDQGFRPSO\ZLWK

WKHUHTXLUHPHQWVRI$SSHQGL['LQFOXGLQJFHUWLILHGLQIRUPDWLRQLQ'&'7LHU7KH7LHU

LQIRUPDWLRQIRUZKLFKDSODQWVSHFLILFGHSDUWXUHDQGH[HPSWLRQLVEHLQJUHTXHVWHGLQFOXGHV

UHYLVLRQVUHODWHGWRWKHWHVWLQJRIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOV

7KLV UHTXHVW IRU H[HPSWLRQ SURYLGHV WKH WHFKQLFDO DQG UHJXODWRU\ EDVLV WR GHPRQVWUDWH

WKDW  &)5   DQG  UHTXLUHPHQWV DUH PHW DQG ZLOO DSSO\ WKH

UHTXLUHPHQWVRI&)5$SSHQGL['6HFWLRQ9,,,$WRDOORZGHSDUWXUHVIURPJHQHULF

7LHU  LQIRUPDWLRQ GXH WR SURSRVHG FKDQJHV WR ,QVSHFWLRQV 7HVWV $QDO\VHV DQG

$FFHSWDQFH&ULWHULD ,7$$& 7DEOH,7$$&,WHPD LL IRUWKHWHVWDFFHSWDQFH

FULWHULDRIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOV

2.0 Background 7KH /LFHQVHH LV WKH KROGHU RI &RPELQHG /LFHQVH 1RV 13) DQG 13) ZKLFK

DXWKRUL]H FRQVWUXFWLRQ DQG RSHUDWLRQ RI WZR :HVWLQJKRXVH (OHFWULF &RPSDQ\ $3

QXFOHDU SODQWV QDPHG 9RJWOH (OHFWULF *HQHUDWLQJ 3ODQW 9(*3  8QLWV  DQG 

UHVSHFWLYHO\

$V GHVFULEHG LQ 8)6$5 6XEVHFWLRQ  UHDFWRU FRRODQW SUHVVXUH ERXQGDU\ 5&3% 

OHDNDJHGHWHFWLRQPRQLWRULQJSURYLGHVDPHDQVRIGHWHFWLQJDQGWRWKHH[WHQWSUDFWLFDO

LGHQWLI\LQJ WKH VRXUFH DQG TXDQWLI\LQJ WKH UHDFWRU FRRODQW OHDNDJH /HDNDJH GHWHFWLRQ

PRQLWRULQJLVDOVRPDLQWDLQHGLQVXSSRUWRIWKHXVHRIOHDNEHIRUHEUHDNFULWHULDIRUKLJK

HQHUJ\SLSHLQFRQWDLQPHQW

$ OHDN LQ WKH UHDFWRU FRRODQW V\VWHP 5&6  RU IURP WKH PDLQ VWHDP OLQHV LQVLGH

FRQWDLQPHQWZRXOGUHVXOWLQZDWHUIORZLQJLQWRWKHFRQWDLQPHQWVXPS7KUHHFRQWDLQPHQW

VXPSOHYHOFKDQQHOV :/6:/6:/6 PRQLWRUWKHFRQWDLQPHQWVXPSIRU

LQFUHDVHVLQ ZDWHU OHYHO7KH GDWD GLVSOD\ DQGSURFHVVLQJV\VWHP 6  FRPSXWHVWKH

OHDNDJH UDWH DQG WKH SODQW FRQWURO V\VWHP 3/6  SURYLGHV DQ DODUP LQ WKH PDLQ FRQWURO

URRPLIWKHDYHUDJHFKDQJHLQOHDNUDWHGXULQJDQ\JLYHQPHDVXUHPHQWLQWHUYDOH[FHHGV

JDOORQVSHUPLQXWH JSP IRUXQLGHQWLILHGOHDNDJH

7KH GHVLJQ RI WKH VHQVRU RI WKH FRQWDLQPHQW VXPS OHYHO FKDQQHO ZDV FKDQJHG IURP

XOWUDVRQLF WR JXLGHG ZDYH UDGDU LQ RUGHU WR EH DEOH WR PHHW WKH VHLVPLF &DWHJRU\ ,

UHTXLUHPHQW DQG SURYLGH UHOLDEOH UHVROXWLRQ ,Q DGGLWLRQ EHFDXVH RI FKDQJHV WR WKH

DYDLODEOH FURVVVHFWLRQDO DUHD LQVLGH RI WKH FRQWDLQPHQW VXPS WKH ZDWHU OHYHO ULVH

HTXLYDOHQWWRDQ5&6OHDNRIJSPIRURQHKRXUFKDQJHG

3ODQWVSHFLILF'&'7LHU7DEOHVSHFLILHVWKH,7$$&UHODWHGWRWKHOLTXLGUDGZDVWH

V\VWHP :/6 7KHWHVWDQGDFFHSWDQFHFULWHULDRI7LHU7DEOH,7$$&,WHPD 

LL YHULILHVWKHDELOLW\RIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVWRUHJLVWHUDOHYHOULVHRI

LQFKHV'XHWRWKHFKDQJHWRWKHVHQVRUDQGWKHFKDQJHWRWKHFRQWDLQPHQWVXPS

3DJHRI

1'

(QFORVXUH

([HPSWLRQ5HTXHVW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





DYDLODEOHFURVVVHFWLRQDODUHDWKHWHVWDFFHSWDQFHFULWHULDLVSURSRVHGWREHFKDQJHGWR

LQFKHV

3.0 Technical Justification of Acceptability 7KH SURSRVHG FKDQJH WR WKHWHVW DFFHSWDQFH FULWHULDIRU WKHUHJLVWHUHG OHYHO ULVHLQ WKH

FRQWDLQPHQW VXPS E\ WKH FRQWDLQPHQW VXPS OHYHO FKDQQHOV YHULILHV WKH DELOLW\ RI WKH

LQVWUXPHQWDWLRQWRGHWHFWDQ5&6OHDNRIJSP7KHDELOLW\WRGHWHFWDJSP5&6

OHDN PHHWV DSSOLFDEOH UHJXODWRU\ JXLGH UHTXLUHPHQWV FRPPLWWHG WR LQ WKH 8)6$5 DQG

SURYLGHVWKHDELOLW\WRPHHW7HFKQLFDO6SHFLILFDWLRQUHTXLUHPHQWVIRU5&6/($.$*(DQG

PDLQ VWHDP OLQH OHDNDJH 7KLV DOVR VXSSRUWV WKH OHDNEHIRUHEUHDN GHVLJQ FULWHULD

DVVXPSWLRQV

7KHSURSRVHGFKDQJHWRWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVHQVRUGRHVQRWKDYHDQ\

DGYHUVH HIIHFW RQ WKH GHVLJQ IXQFWLRQ RI WKH FDSDELOLW\ WR GHWHFW XQLGHQWLILHG OHDNDJH LQ

FRQWDLQPHQWDQGWRSURYLGHVLJQDOVWR:/6FRPSRQHQWV7KHSURSRVHGFKDQJHGRHVQRW

DIIHFWDQ\IXQFWLRQRUIHDWXUHXVHGIRUWKHSUHYHQWLRQDQGPLWLJDWLRQRIDFFLGHQWVRUWKHLU

VDIHW\DQDO\VHV1RVDIHW\UHODWHGVWUXFWXUHV\VWHPRUFRPSRQHQW 66& RUIXQFWLRQLV

LQYROYHG

'HWDLOHGWHFKQLFDOMXVWLILFDWLRQVXSSRUWLQJWKLVUHTXHVWIRUH[HPSWLRQLVSURYLGHGLQ6HFWLRQ

RIWKHDVVRFLDWHG/LFHQVH$PHQGPHQW5HTXHVWLQ(QFORVXUHRIWKLVOHWWHU

4.0 Justification of Exemption

&)53DUW$SSHQGL['6HFWLRQ9,,,$DQG&)5 E  JRYHUQWKHLVVXDQFH

RIH[HPSWLRQVIURPHOHPHQWVRIWKHFHUWLILHGGHVLJQLQIRUPDWLRQIRU$3QXFOHDUSRZHU

SODQWV 6LQFH 61& KDV LGHQWLILHG FKDQJHV WR WKH 7LHU  LQIRUPDWLRQ DV GLVFXVVHG LQ

(QFORVXUHRIWKHDFFRPSDQ\LQJ/LFHQVH$PHQGPHQW5HTXHVWDQH[HPSWLRQIURPWKH

FHUWLILHGGHVLJQLQIRUPDWLRQLQ7LHULVQHHGHG

&)53DUW$SSHQGL['DQG&)5DQGVWDWHWKDWWKH15&

PD\JUDQW H[HPSWLRQVIURP WKHUHTXLUHPHQWV RIWKHUHJXODWLRQV SURYLGHG VL[ FRQGLWLRQV

DUHPHW WKHH[HPSWLRQLVDXWKRUL]HGE\ODZ> D  @ WKHH[HPSWLRQZLOOQRW

SUHVHQWDQXQGXHULVNWRWKHKHDOWKDQGVDIHW\RIWKHSXEOLF> D  @ WKHH[HPSWLRQ

LV FRQVLVWHQW ZLWK WKH FRPPRQ GHIHQVH DQG VHFXULW\ > D  @   VSHFLDO

FLUFXPVWDQFHV DUH SUHVHQW > D  @   WKH VSHFLDO FLUFXPVWDQFHV RXWZHLJK DQ\

GHFUHDVH LQ VDIHW\ WKDW PD\ UHVXOW IURP WKH UHGXFWLRQ LQ VWDQGDUGL]DWLRQ FDXVHG E\ WKH

H[HPSWLRQ> E  @DQG WKHGHVLJQFKDQJHZLOOQRWUHVXOWLQDVLJQLILFDQWGHFUHDVH

LQWKHOHYHORIVDIHW\>3DUW$SS'9,,,$@

7KH UHTXHVWHG H[HPSWLRQ VDWLVILHV WKH FULWHULD IRU JUDQWLQJ VSHFLILF H[HPSWLRQV DV

GHVFULEHGEHORZ

1. This exemption is authorized by law 7KH15&KDVDXWKRULW\XQGHU&)5DQGWRJUDQWH[HPSWLRQVIURP

WKHUHTXLUHPHQWVRI15&UHJXODWLRQV6SHFLILFDOO\&)5DQGVWDWHWKDWWKH

15& PD\ JUDQW H[HPSWLRQV IURP WKH UHTXLUHPHQWV RI  &)5 3DUW  XSRQ D SURSHU

VKRZLQJ 1R ODZ H[LVWV WKDW ZRXOG SUHFOXGH WKH FKDQJHV FRYHUHG E\ WKLV H[HPSWLRQ

3DJHRI

1'

(QFORVXUH

([HPSWLRQ5HTXHVW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





UHTXHVW$GGLWLRQDOO\JUDQWLQJRIWKHSURSRVHGH[HPSWLRQGRHVQRWUHVXOWLQDYLRODWLRQRI

WKH$WRPLF(QHUJ\$FWRIDVDPHQGHGRUWKH&RPPLVVLRQ¶VUHJXODWLRQV

$FFRUGLQJO\ WKLV UHTXHVWHG H[HPSWLRQ LV ³DXWKRUL]HG E\ ODZ' DV UHTXLUHG E\

&)5 D  

2. This exemption will not present an undue risk to the health and safety of the public 7KHSURSRVHGH[HPSWLRQIURPWKHUHTXLUHPHQWVRI&)5$SSHQGL['6HFWLRQ,,,%

ZRXOG DOORZ FKDQJHV WR HOHPHQWV RI WKH SODQWVSHFLILF 7LHU  '&' WR GHSDUW IURP WKH

$3FHUWLILHG 7LHU GHVLJQLQIRUPDWLRQ7KHSODQWVSHFLILF'&'7LHUZLOOFRQWLQXH

WR UHIOHFW WKH DSSURYHG OLFHQVLQJ EDVLV IRU 9(*3 8QLWV  DQG DQG ZLOO PDLQWDLQ D

FRQVLVWHQWOHYHORIGHWDLOZLWKWKDWZKLFKLVFXUUHQWO\SURYLGHGHOVHZKHUHLQ7LHURIWKH

'&'7KHUHIRUHWKHDIIHFWHGSODQWVSHFLILF'&'7LHU,7$$&ZLOOFRQWLQXHWRVHUYHLWV

UHTXLUHGSXUSRVH

7KHFKDQJHIRUWKHWHVWDFFHSWDQFHFULWHULDRIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVGRHV

QRWUHSUHVHQWDQ\DGYHUVHLPSDFWWRWKHGHVLJQIXQFWLRQRIWKHUHODWHGV\VWHPVVWUXFWXUHV

DQGFRPSRQHQWVDQGZLOOFRQWLQXHWRSURWHFWWKHKHDOWKDQGVDIHW\RIWKHSXEOLFLQWKHVDPH

PDQQHU  7KH FKDQJH IRU WKH WHVW DFFHSWDQFH FULWHULD RI WKH FRQWDLQPHQW VXPS OHYHO

FKDQQHOV GRHV QRW LQWURGXFH DQ\ QHZ LQGXVWULDO FKHPLFDO RU UDGLRORJLFDO KD]DUGV WKDW

ZRXOGUHSUHVHQWDSXEOLFKHDOWKRUVDIHW\ULVNQRUGRWKH\PRGLI\RUUHPRYHDQ\GHVLJQRU

RSHUDWLRQDO FRQWUROV RU VDIHJXDUGV LQWHQGHG WR PLWLJDWH DQ\ H[LVWLQJ RQVLWH KD]DUGV

)XUWKHUPRUHWKHSURSRVHGFKDQJHZRXOGQRWDOORZIRUDQHZILVVLRQSURGXFWUHOHDVHSDWK

UHVXOWLQDQHZILVVLRQSURGXFWEDUULHUIDLOXUHPRGHRUFUHDWHDQHZVHTXHQFHRIHYHQWV

WKDWZRXOGUHVXOWLQIXHOFODGGLQJIDLOXUHV$FFRUGLQJO\WKLVFKDQJHGRHVQRWSUHVHQWDQ

XQGXHULVNIURPDQ\H[LVWLQJRUSURSRVHGHTXLSPHQWRUV\VWHPV

7KHUHIRUHWKHUHTXHVWHGH[HPSWLRQIURP&)5$SSHQGL['6HFWLRQ,,,%ZRXOGQRW

SUHVHQWDQXQGXHULVNWRWKHKHDOWKDQGVDIHW\RIWKHSXEOLF

3. The exemption is consistent with the common defense and security 7KHUHTXHVWHGH[HPSWLRQIURPWKHUHTXLUHPHQWVRI&)5$SSHQGL['6HFWLRQ,,,%

ZRXOGDOORZWKHOLFHQVHHWRGHSDUWIURPHOHPHQWVRIWKHSODQWVSHFLILF'&'7LHUGHVLJQ

LQIRUPDWLRQ7KHSURSRVHGH[HPSWLRQGRHVQRWDOWHUWKHGHVLJQIXQFWLRQRURSHUDWLRQRI

DQ\VWUXFWXUHVRUSODQWHTXLSPHQWWKDWLVQHFHVVDU\WRPDLQWDLQDVDIHDQGVHFXUHVWDWXV

RI WKH SODQW 7KH SURSRVHG H[HPSWLRQ KDV QR LPSDFW RQ SODQW VHFXULW\ RU VDIHJXDUGV

SURFHGXUHV

7KHUHIRUHWKHUHTXHVWHGH[HPSWLRQLVFRQVLVWHQWZLWKWKHFRPPRQGHIHQVHDQGVHFXULW\

4. Special circumstances are present

 &)5  D   OLVWV VL[ ³VSHFLDO FLUFXPVWDQFHV' IRU ZKLFK DQ H[HPSWLRQ PD\ EH

JUDQWHG3XUVXDQWWRWKHUHJXODWLRQLWLVQHFHVVDU\IRURQHRIWKHVHVSHFLDOFLUFXPVWDQFHV

WR EH SUHVHQW LQ RUGHU IRU WKH 15& WR FRQVLGHU JUDQWLQJ DQ H[HPSWLRQ UHTXHVW 7KH

UHTXHVWHG H[HPSWLRQ PHHWV WKH VSHFLDO FLUFXPVWDQFHV RI &)5 D  LL   7KDW

VXEVHFWLRQ GHILQHV VSHFLDO FLUFXPVWDQFHV DV ZKHQ ³$SSOLFDWLRQ RI WKH UHJXODWLRQ LQ WKH

3DJHRI

1'

(QFORVXUH

([HPSWLRQ5HTXHVW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





SDUWLFXODU FLUFXPVWDQFHV ZRXOG QRW VHUYH WKH XQGHUO\LQJ SXUSRVH RI WKH UXOH RU LV QRW

QHFHVVDU\WRDFKLHYHWKHXQGHUO\LQJSXUSRVHRIWKHUXOH'

7KH UXOH XQGHU FRQVLGHUDWLRQ LQ WKLV UHTXHVW IRU H[HPSWLRQ LV  &)5  $SSHQGL[ '

6HFWLRQ,,,%ZKLFKUHTXLUHVWKDWDOLFHQVHHUHIHUHQFLQJWKH$3'HVLJQ&HUWLILFDWLRQ

5XOH &)53DUW$SSHQGL[' VKDOOLQFRUSRUDWHE\UHIHUHQFHDQGFRPSO\ZLWKWKH

UHTXLUHPHQWVRI$SSHQGL['LQFOXGLQJ7LHULQIRUPDWLRQ7KH9(*38QLWVDQG&2/V

UHIHUHQFH WKH $3 'HVLJQ &HUWLILFDWLRQ 5XOH DQG LQFRUSRUDWH E\ UHIHUHQFH WKH

UHTXLUHPHQWVRI&)53DUW$SSHQGL['LQFOXGLQJ7LHULQIRUPDWLRQ7KHXQGHUO\LQJ

SXUSRVHRI$SSHQGL['6HFWLRQ,,,%LVWRGHVFULEHDQGGHILQHWKHVFRSHDQGFRQWHQWVRI

WKH $3 GHVLJQFHUWLILFDWLRQ DQGWRUHTXLUHFRPSOLDQFHZLWKWKH GHVLJQFHUWLILFDWLRQ

LQIRUPDWLRQLQ$SSHQGL['

7KHSURSRVHGH[HPSWLRQZRXOGFKDQJHWKHWHVWDFFHSWDQFHFULWHULDIRUWKHFRQWDLQPHQW

VXPSOHYHOFKDQQHOV

7KH SURSRVHG FKDQJH IRU WKH WHVW DFFHSWDQFH FULWHULD RI WKH FRQWDLQPHQW VXPS OHYHO

FKDQQHOGLVFXVVHGLQ6HFWLRQRIWKLV(QFORVXUHPDLQWDLQVWKHUHTXLUHGGHVLJQIXQFWLRQ

RIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVWRGHWHFWDQXQLGHQWLILHGJSP5&6OHDN7KH

SURSRVHG FKDQJH GRHV QRW DIIHFW DQ\ IXQFWLRQ RU IHDWXUH XVHG IRU WKH SUHYHQWLRQ DQG

PLWLJDWLRQ RI DFFLGHQWV RU WKHLU VDIHW\ DQDO\VHV 1R VDIHW\UHODWHG VWUXFWXUH V\VWHP RU

FRPSRQHQW 66& RUVDIHW\UHODWHGIXQFWLRQLVLQYROYHG7KHSURSRVHGFKDQJHGRHVQRW

LQYROYHQRULQWHUIDFHZLWKDQ\66&DFFLGHQWLQLWLDWRURULQLWLDWLQJVHTXHQFHRIHYHQWVUHODWHG

WRWKHDFFLGHQWVHYDOXDWHGDQGWKHUHIRUHGRHVQRWKDYHDQDGYHUVHHIIHFWRQDQ\66&¶V

GHVLJQIXQFWLRQ$FFRUGLQJO\WKLVH[HPSWLRQIURPWKHFHUWLILFDWLRQLQIRUPDWLRQZLOOHQDEOH

WKH/LFHQVHHWRVDIHO\FRQVWUXFWDQGRSHUDWHWKH$3IDFLOLW\FRQVLVWHQWZLWKWKHGHVLJQ

FHUWLILHGE\WKH15&LQ&)5$SSHQGL['

7KHUHIRUHVSHFLDOFLUFXPVWDQFHVDUHSUHVHQWEHFDXVHDSSOLFDWLRQRIWKHFXUUHQWJHQHULF

FHUWLILHGGHVLJQLQIRUPDWLRQLQ7LHUDVUHTXLUHGE\&)53DUW$SSHQGL['6HFWLRQ

,,,%LQWKHSDUWLFXODUFLUFXPVWDQFHVGLVFXVVHGLQWKLVUHTXHVWLVQRWQHFHVVDU\WRDFKLHYH

WKHXQGHUO\LQJSXUSRVHRIWKHUXOH

5. The special circumstances outweigh any decrease in safety that may result from the reduction in standardization caused by the exemption.

%DVHG RQ WKH QDWXUH RI WKH FKDQJHV WR WKH SODQWVSHFLILF 7LHU  LQIRUPDWLRQ DQG WKH

XQGHUVWDQGLQJWKDWWKHVHFKDQJHVVXSSRUWWKHGHVLJQIXQFWLRQRIWKHFRQWDLQPHQWVXPS

OHYHO FKDQQHOV LW LV H[SHFWHG WKDW WKLV H[HPSWLRQ PD\ EH UHTXHVWHG E\ RWKHU $3

OLFHQVHHVDQGDSSOLFDQWV+RZHYHUDUHYLHZRIWKHUHGXFWLRQLQVWDQGDUGL]DWLRQUHVXOWLQJ

IURPWKHGHSDUWXUHIURPWKHVWDQGDUG'&'GHWHUPLQHGWKDWHYHQLIRWKHU$3OLFHQVHHV

DQGDSSOLFDQWVGRQRWUHTXHVWWKLVVDPHGHSDUWXUHWKHVSHFLDOFLUFXPVWDQFHVZLOOFRQWLQXH

WRRXWZHLJKDQ\GHFUHDVHLQVDIHW\IURPWKHUHGXFWLRQLQVWDQGDUGL]DWLRQEHFDXVHWKHNH\

GHVLJQ IXQFWLRQV RI WKH VWUXFWXUHV DVVRFLDWHG ZLWK WKLV UHTXHVW ZLOO FRQWLQXH WR EH

PDLQWDLQHG)XUWKHUPRUHWKHMXVWLILFDWLRQSURYLGHGLQWKHOLFHQVHDPHQGPHQWUHTXHVWDQG

WKLVH[HPSWLRQUHTXHVWDQGWKHDVVRFLDWHGPDUNXSVGHPRQVWUDWHWKDWWKHUHLVDOLPLWHG

FKDQJHIURPWKHVWDQGDUGLQIRUPDWLRQSURYLGHGLQWKHJHQHULF$3'&'ZKLFKLVRIIVHW

E\WKHVSHFLDOFLUFXPVWDQFHVLGHQWLILHGDERYH

3DJHRI

1'

(QFORVXUH

([HPSWLRQ5HTXHVW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





7KHUHIRUHWKHVSHFLDOFLUFXPVWDQFHVDVVRFLDWHGZLWKWKHUHTXHVWHGH[HPSWLRQRXWZHLJK

DQ\GHFUHDVHLQVDIHW\WKDWPD\UHVXOWIURPWKHUHGXFWLRQLQVWDQGDUGL]DWLRQFDXVHGE\WKH

H[HPSWLRQ

6. The design change will not result in a significant decrease in the level of safety.

7KHH[HPSWLRQUHYLVHVWKHSODQWVSHFLILF'&'7LHULQIRUPDWLRQWHVWDFFHSWDQFHFULWHULD

IRUWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVDVGLVFXVVHGLQ6HFWLRQRIWKLV(QFORVXUH

7KHFKDQJHIRUWKHWHVWDFFHSWDQFHFULWHULDRIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOVGRHV

QRWFKDQJHWKHGHVLJQIXQFWLRQVRIWKHFRQWDLQPHQWVXPSOHYHOFKDQQHOV%HFDXVHWKHVH

IXQFWLRQVFRQWLQXHWREHPHWWKHUHLVQRUHGXFWLRQLQWKHOHYHORIVDIHW\

5.0 Risk Assessment

$ULVNDVVHVVPHQWZDVQRWGHWHUPLQHGWREHDSSOLFDEOHWRDGGUHVVWKHDFFHSWDELOLW\RIWKLV

SURSRVDO

6.0 Precedent Exemptions 1RQH

7.0 Environmental Consideration 7KH/LFHQVHHUHTXHVWVDGHSDUWXUHIURPHOHPHQWVRIWKHFHUWLILHGLQIRUPDWLRQLQ7LHURI

WKH JHQHULF $3 '&'  7KH /LFHQVHH KDV GHWHUPLQHG WKDW WKH SURSRVHG GHSDUWXUH

ZRXOGUHTXLUHDSHUPDQHQWH[HPSWLRQIURPWKHUHTXLUHPHQWVRI&)5$SSHQGL['

6HFWLRQ,,,%'HVLJQ&HUWLILFDWLRQ5XOHIRUWKH$3'HVLJQ6FRSHDQG&RQWHQWVZLWK

UHVSHFWWRLQVWDOODWLRQRUXVHRIIDFLOLW\FRPSRQHQWVORFDWHGZLWKLQWKHUHVWULFWHGDUHDDV

GHILQHGLQ&)53DUWRUZKLFKFKDQJHVDQLQVSHFWLRQRUDVXUYHLOODQFHUHTXLUHPHQW

KRZHYHU WKH /LFHQVHH HYDOXDWLRQ RI WKH SURSRVHG H[HPSWLRQ KDV GHWHUPLQHG WKDW WKH

SURSRVHG H[HPSWLRQ PHHWV WKH HOLJLELOLW\ FULWHULD IRU FDWHJRULFDO H[FOXVLRQ VHW IRUWK LQ

&)5 F  

%DVHGRQWKHDERYHUHYLHZRIWKHSURSRVHGH[HPSWLRQWKH/LFHQVHHKDVGHWHUPLQHGWKDW

WKH SURSRVHG FKDQJH GRHV QRW LQYROYH L  D VLJQLILFDQW KD]DUGV FRQVLGHUDWLRQ LL  D

VLJQLILFDQWFKDQJHLQWKHW\SHVRUVLJQLILFDQWLQFUHDVHLQWKHDPRXQWVRIDQ\HIIOXHQWVWKDW

PD\ EH UHOHDVHG RIIVLWH RU LLL  D VLJQLILFDQW LQFUHDVH LQ LQGLYLGXDO RU FXPXODWLYH

RFFXSDWLRQDO UDGLDWLRQ H[SRVXUH  $FFRUGLQJO\ WKH SURSRVHG H[HPSWLRQ PHHWV WKH

HOLJLELOLW\ FULWHULD IRU FDWHJRULFDO H[FOXVLRQ VHW IRUWK LQ  &)5  F    7KHUHIRUH

SXUVXDQW WR  &)5  E  DQ HQYLURQPHQWDO LPSDFW VWDWHPHQW RU HQYLURQPHQWDO

DVVHVVPHQWRIWKHSURSRVHGH[HPSWLRQLVQRWUHTXLUHG

6SHFLILFGHWDLOVRIWKHHQYLURQPHQWDOFRQVLGHUDWLRQVVXSSRUWLQJWKLVUHTXHVWIRUH[HPSWLRQ

DUH SURYLGHG LQ 6HFWLRQ  RI WKH DVVRFLDWHG /LFHQVH $PHQGPHQW 5HTXHVW SURYLGHG LQ

(QFORVXUHRIWKLVOHWWHU

8.0 Conclusion 7KHSURSRVHGFKDQJHVWR7LHUDUHQHFHVVDU\WRFKDQJHWKHWHVWDFFHSWDQFHFULWHULDRQ

WKHFRQWDLQPHQWVXPSOHYHOFKDQQHOV7KHH[HPSWLRQUHTXHVWPHHWVWKHUHTXLUHPHQWVRI

3DJHRI

1'

(QFORVXUH

([HPSWLRQ5HTXHVW&RQWDLQPHQW6XPS/HYHO,QVWUXPHQWDWLRQ /$5 





&)5)LQDOLW\RIGHVLJQFHUWLILFDWLRQV&)56SHFLILFH[HPSWLRQV&)5

6SHFLILFH[HPSWLRQVDQG&)5$SSHQGL[''HVLJQ&HUWLILFDWLRQ5XOHIRUWKH

$36SHFLILFDOO\WKHH[HPSWLRQUHTXHVWPHHWVWKHFULWHULDRI&)5 D  LQ

WKDWWKHUHTXHVWLVDXWKRUL]HGE\ODZSUHVHQWVQRXQGXHULVNWRSXEOLFKHDOWKDQGVDIHW\

DQGLVFRQVLVWHQWZLWKWKHFRPPRQGHIHQVHDQGVHFXULW\)XUWKHUPRUHDSSURYDORIWKLV

UHTXHVW GRHV QRW UHVXOW LQ D VLJQLILFDQW GHFUHDVH LQ WKH OHYHO RI VDIHW\ VDWLVILHV WKH

XQGHUO\LQJ SXUSRVH RI WKH $3 'HVLJQ &HUWLILFDWLRQ 5XOH DQG GRHV QRW SUHVHQW D

VLJQLILFDQWGHFUHDVHLQVDIHW\DVDUHVXOWRIDUHGXFWLRQLQVWDQGDUGL]DWLRQ

9.0 References 1RQH

3DJHRI



Southern Nuclear Operating Company ND-18-0542 Enclosure 3 Vogtle Electric Generating Plant (VEGP) Units 3 and 4 Proposed Changes to Licensing Basis Documents (LAR-18-014)

Insertions Denoted by Blue Underline and Deletions by Red Strikethrough Omitted text is identified by three asterisks ( * * * )

7KLV(QFORVXUHFRQVLVWVRISDJHVLQFOXGLQJWKLVFRYHUSDJH 



1'

(QFORVXUH

3URSRVHG&KDQJHVWR/LFHQVLQJ%DVLV'RFXPHQWV+/- /$5 





Revise COL Appendix C Table 2.3.10-4 and corresponding Plant-Specific Tier 1 Table 2.3.10-4, as shown below.

7DEOH FRQW 

,QVSHFWLRQV7HVWV$QDO\VHVDQG$FFHSWDQFH&ULWHULD Design Commitment Inspections, Tests, Acceptance Criteria Analyses

  

D 7KH:/6SURYLGHVWKH  

QRQVDIHW\UHODWHGIXQFWLRQRI

GHWHFWLQJOHDNVZLWKLQ

FRQWDLQPHQWWRWKH

FRQWDLQPHQWVXPS

LL 7HVWLQJZLOOEHSHUIRUPHG LL $UHSRUWH[LVWVDQGFRQFOXGHV

E\DGGLQJZDWHUWRWKHVXPS WKDWVXPSOHYHOFKDQQHOV:/6

DQGREVHUYLQJGLVSOD\RI :/6DQG:/6FDQ

VXPSOHYHO GHWHFWDFKDQJHRI

LQFKHV

• • •  



 

3DJHRI

1'

(QFORVXUH

3URSRVHG&KDQJHVWR/LFHQVLQJ%DVLV'RFXPHQWV+/- /$5 





UFSAR Subsection 5.2.5.3.1 Containment Sump Level Monitor is revised, as shown below.







)DLOXUHRIWZRRIWKHOHYHOVHQVRUVZLOOVWLOODOORZWKHFDOFXODWLRQRIDJSPLQOHDNDJHUDWH

ZLWKLQKRXU7KHGDWDGLVSOD\DQGSURFHVVLQJV\VWHP 6 FRPSXWHVWKHOHDNDJHUDWHDQG

WKHSODQWFRQWUROV\VWHP 3/6 SURYLGHVDQDODUPLQWKHPDLQFRQWUROURRPLIWKHDYHUDJHFKDQJH

LQOHDNUDWHIRUDQ\JLYHQPHDVXUHPHQWSHULRGH[FHHGVJSPIRUXQLGHQWLILHGOHDNDJH7KH

PLQLPXPGHWHFWDEOHOHDNUDWHLVQRJUHDWHUWKDQJSP8QLGHQWLILHGOHDNDJHLVWKHWRWDO

OHDNDJHPLQXVWKHLGHQWLILHGOHDNDJH7KHOHDNDJHUDWHDOJRULWKPVXEWUDFWVWKHLGHQWLILHG

OHDNDJHGLUHFWHGWRWKHVXPS







3DJHRI