ML18010B006

From kanterella
Jump to navigation Jump to search
Summary of 930129 Meeting W/Util in Rockville,Md Re Future Submittals Planned by Util,Status of NRC Review of Previous Submittals,Responses to Generic Communications,Nrc Concerns & Other General Coordination of Licensing Activities
ML18010B006
Person / Time
Site: Harris Duke Energy icon.png
Issue date: 02/09/1993
From: Le N
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
References
NUDOCS 9302120176
Download: ML18010B006 (14)


Text

e Docket No. 50-4M February 9, 1993 LICENSEE:

Carolina Power

& Light Company FACILITY:

Shearon Harris Nuclear Power Plant, Unit 1

SUBJECT:

SUMMARY

OF MEETING HELD ON JANUARY 29,

1993, WITH CAROLINA POWER

& LIGHT COMPANY A meeting was held with Carolina Power

& Light Company (CP&L) on January 29, 1993, in Rockville, Maryland.

The purpose of the meeting was to discuss future submittals planned by CP&L, the status of the NRC's review of previous submittals, responses to generic communications, NRC concerns, and other general coordination of licensing activities.

Participants in the meeting were as follows:

NRC CP&L N.

Le E.

Adensam R.

Lo J. Mitchell C. Grimes C.

Hoon R. Prunty, Jr.

D. HcCarthy L. Rowell

, H.

Hamby The enclosure contains the hand-out material (18-month Regulatory Schedule) which describes current and planned activities that were discussed at the meeting.

The staff also discussed item 2A/35 (TSC 87-12) of the Enclosure, which was submitted by the licensee on December 28,

1990, and requested CP&L to clarify a plant specific concern regarding the operability requirement for the main steam safety relief valves during mode 4.

The licensee has committed to provide this clarification to enable the staff to complete the review of this license amendment request.

Sincerely, ORIGINAL SIGNED BY:

Ngoc B. Le, Project Manager Project Directorate II-1 Division of Reactor Projects I/II Office of Nuclear Reactor Regulations

Enclosure:

18-Month Regulatory Agenda cc:

See next page

Contact:

N. B.

Le 504-1458 DISTRIBUTION:

I'Docket Filet NRC/Lo'cal PDRs PD II-1 Reading File T. Hurley/F. Niraglia J. Partlow S.

Varga cc:

Licensee

& Service G.

J.

E.

N.

P.

R.

r List'ainas Mitchell Adensam B.

Le Anderson H.

Lo 9302120176 PDR ADQCK P

C. Grimes C.

Moon E. Jordan OGC L. Plisco, EDO E. Herschoff, R-II 930209 05000400 OFC LA 2

PE NAME P

erson PM: PD21: DRP NBLe:tmw DATE 02

/93 02 93 Document Name:

HAR0129.NTS D: PD21:DRP JANitchell 02 93

Mr. R. A. Watson Carolina Power 5 Light Company Shearon Harris Nuclear Power Plant, Unit 1

CC:

Mr. H.

Ray Star ling Manager - Legal Department Carolina Power 8 Light Company Post Office Box 1551

Raleigh, North Carolina 27602 Resident Inspector/Harris NPS c/o U. S. Nuclear Regulatory Commission Route 1,

Box 315B New Hill, North Carolina 27562 Mr. Gerald E. Vaughn, Vice President Harris Nuclear Project/Project Post Office Box 165 New Hill, North 'Carolina 27562 Mr. H. A. Cole Special Deputy Attorney General State of North Carolina Post Office Box 629

Raleigh, North Carolina 27602 Public Service Commission State of South Carolina Post Office Drawer 11649
Columbia, South Carolina 29211 Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta St.,

N.W., Ste.

2900 Atlanta, Georgia 30323 Mr. C.

S. Hinnant Plant General Manager Harris Nuclear Plant Post Office Box 165 New Hill, North Carolina 27562 Mr. Dayne H. Brown, Director Division of Radiation Protection N.

C. Department of Environmental, Commerce 5, Natural Resources Post Office Box 27687

Raleigh, North Carolina 27611-7687 Mr. R.

B. Starkey Vice President Nuclear Services Department Carolina Power

& Light Company Post Office Box 1551

Raleigh, North Carolina 27602

ENCLOSURE ATI'ACHMENT1 18-MONTH REGULATORY AGENDA PR 9

IFI'I Items are divided into five categories (Zl, Z2, Z3, Z4, and Z5).

Categories Z1 and Z2 require some type of "NRC action" to support the plant (i.e., issue Technical Specification changes, approve relief requests, etc.).

Category Z3 items dg ~ require "NRC action" to support the plant (i.e., CP&L responses to Generic Letters and Bulletins, FSAR amendment submittal, etc.).

Category Z4 items (not attached) are those items already submitted to the NRC for which CP&L needs no response.

Closeout is tracked as an indication of additional NRC workload competing for resources with Zl and Z2.

Category Z5 items are potential Technical Specification changes or submittals which are presently unscheduled.

Items which are of greatest importance to plant operations generally are grouped in Category Z1.

Items within a category are prioritized by letter designation with "A," representing the highest priority.

Priorities are established through discussions with the Manager - Regulatory Compliance.

The "target" schedules are established through discussions with the NRC PM, recognizing plant "need dates" as well as the need to levelize demand on NRC resources.

."RD" denotes a required date to which some specific plant action is tied.

(hap 1 8mo)

~ ~

SHNPP 18-MONTH REGULATORY SCHEDULE ATTACHMENT 2

'ANUARY 1993 PAGE 1

~SU/

1992 1993 DEC JAN EB MAR PR MAY JUN JUL UG SEP 1994 A R Y

1A/4 INSTRUMENTATION CHANGE (TSC 88-10)

CP&L SUBMITTAL ISSUE TSC aaa 12/21

~ ssaassss 2/26

  • a******a 1B/4 DC ELECTRICAL POWER CP&L SUBMITTAL ISSUE TSC asaaasss 1/29

~ aasasssssssaasassaasaas 7/30 1C/4 GAS STORAGE TANKS (TSC 92-01)

CP&L SUBMITTAL ISSUE TSC

~ sassaaa 1/27

~ ssasssassassasasssassas 7/27 1D/4 TRAINING TSC (TSC 92-06)

CP&L SUBMITTAL ISSUE TSC bassa 1/29

~ saaa'asasassassssssassss 7/30 C

Dates prior to 1/12/93 are actualst Dates after 1/12/93 are forecastt RD s REQUIRED DATE]

            • +*~ SCHEDULED OUTAGE

SHNPP 18-MONTH REGULATORY SCHEDULE JANUARY 1993 PAGE 2

1992 EC EB 1993 R

JU UL UG SEP 1994 A

      • ass***

2A/35 LIMITING COND FOR OP ACTION REQ (TSC 87-12)

ISSUE TSC asssaaasasss 2/28 2B/4 RETS REMOVAL OF TABLES FROM TS CP&L SUBMITTAL (SUPPLEMENT TSC)

ISSUE TSC

~ssaas 2/26

~ s ~ a ~ s ~ s ~ ssss ~ as 6/26 2C/4 NAD FUNCTIONAL CHANGES (TSC 91-04)

ISSUE TSC

~ss ~ s ~ ss ~ s ~ s ~ s ~ s ~ s ~ s ~ s 5/10 2D/4 PRESSURE/TEMPERATURE LMTS REVISION (TSC 92-

)

CP&L SUBMITTAL asaasassas 2/19 ISSUE TSC saassasasssssssssssssaasa 8/20 RD 2E/4 AREA TEMPERATURE MONITORING (TSC 92-03)

CP&L SUBMITTAL sssas

~ a ~ sass ~ 3/5 ISSUE TSC

~ ss ~ s ~ sass ~ s ~ sssss

~ s ~ s ~ s 9/7 2F/18 ESFAS SURVEILLANCE TESTING (TSC 90-

)

CP&L SUBMITTAL ISSUE TSC

~ asssass 4/2

~ as ~ a ~ as as sass ~sas as a ~ a ~ 10/1 2G/4 MOLDED CASE CIRCUIT BREAKERS (TSC 88-12)

CP&L SUBMITTAL ISSUE TSC

~sasaaasss 4/16

~ s ~ s ~ s ~ s ~ s ~ a ~ a ~ ss ~ s ~ s ~ a ~ 10/15 Dates prior to 1/12/93 are actualsy Dates after 1/12/93 are forecast; RD ~ REQUIRED DATEg

++****+a~ SCHEDULED OUTAGE

SHNPP 18-MONTH REGULATORY SCHEDULE JANUARY 1993 PAGE 3

RSKc-1992 1993 JAN MAR R

JUN JUL UG SEP 1994

  • 04*4****

2H/4 NEGATIVE FLUX RATE TRIP DELETION (TSC 91-

)

CP&L SUBMITTAL ISSUE TSC

~iiiiiii9/1

~ii~i~i~ii~siss ~i~iiiiii3/1 2I/4 APPROVAL OF QA PROGRAM CHANGES

- NRC APPROVAL iii~i~i~i~iiiiiii

~i~i~ 5/]0 Dates prior to 1/12/93 are actualsg Dates after 1/12/93 are forecast; RD ~ RE{}UIRED DATEg *******i

~ SCHEDULED OUTAGE

SHNPP 18-MONTH REGULATORY SCHEDULE JANUARY 1993 PAGE 4

QfjStg 1992 C JAN B

1993 PR Y JUN JU UG SE 1994

  • sa**s*s*

3A/4

.RESP TO RAI - REVIVf OF ODCM CP&L SUBMITTAL ssasaasssssa 2/28 3B/4 SEMI-ANNUAL FITNESS FOR DUTY PROGRAM DATA CP&L SUBMITTAL

~ssssssa 3/1 3C/4 BULLETIN 90-01, SUPP 1:

LOSS OF FILL-OIL IN ROSEMOUNT TRANSMITERS CP&L SUBMITTAL

~sssssaas 3/5 3D/4 GL 92-08, THERMO-LAG 330-1 (FIRE BARRIERS)

CP&L SUBMITTAL

~ s ~ s ~ s ~ s ~ s ~ s ~ s 4/16 3E/4 SUBMIT GOALS

& OBJ (1993 EMERG EXERCISE)

CP&L SUBMITTAL

~ ass 5/1 3F/4 ANNUAL FSAR AMENDMENT f44 CP&L SUBMITTAL bassa 5/12 3G/4 SUBMIT SCENARIO & CONT INFO (1993 EMERG EXERCISE)

CP&L SUBMITTAL

~ ass 6/1 3H/4 ANNUAL ECCS EVALUATION MODEL CHANGE REPORT (10CFR 50 46)

CP&L SUBMITAL

~ saa 7/26 Dates prior to 1/12/93 are actuals; Dates after 1/12/93 are forecasts RD ~ REQUIRED DATEg s*s<****~ SCHEDULED OUTAGE

SHNPP 18-MONTH REGULATORY SCHEDULE JANUARY 1993 PAGE 5

1992 E

PR 1993 JU JU UG S 0

C 1994 B

%**%*As**

3I/4 GL 88-20:

SUBMIT IPE PRA FOR SEVERE ACCIDENT VULNERABILITIES (10CFR 50.54(F) )

- SUBMIT IPE PRA

~sss 8/31 3J/4 RAI - BULL 92-01 SUPP 1

(INFORM NRC WHEN FIRE BARRIERS ARE ACCEPTABLE

<< CP&L SUBMITTAL sssss 12/20 Dates prior to 1/12/93 are actualsg Dates after 1/12/93 are forecasts RD ~ REQUIRED DATEg

~ SCHEDULED OUTAGE

01/13/93 CAROLINA POilEH 6 LIGHl COtlPAH(

S H H P P - 18 liOHTH REGULATORY AGEHDA (ATTACH 3)

FACTS 4 SITE PRI SOURCE DOCU)iEHT AGENCY UHIT NUC PRI/SCH IHD ISSUE ACTION 88G8063 2

SITE REQUEST SHNPP 02/09/88 Z1A 4

SHNPP - INSTRUliEHTATIOH CHANGE TSC SUBHITTED 4/2/92.

AMAITING NRC REVIEM (CLARIFIES, CORRECTS 6 AHEHDS 6 INSTRUM.

AND APPROVAL; (PREHOTICED 6/24/92);

TECH SPECS)

PER HRC Pli CON(EHTS, CP&L SUBlilTTED REVISED TS PAGES 10/14/92 AND 12/21/92.

(TSC 88-10)

TS 3.3 92G0239 2

SITE REQUEST SHNPP 1

KRR 05/20/92 Z1B SHNPP TSC " DC ELECTRICAL POMER SYSTEH (PROVIDES ACTION STATEKEHT TO ALLOll HAVIHG BATTERY CHARGER OUT-OF-SERVICE)

(TSC 92-02)

SUBHITTED 6/29/92; HRC CON(ENTS TO BE RESOLVED.

REVISED TSCR RECEIVED FROli HHP.

CORRESPONDENCE IN PREPARATION.

92G0173 2

SHNPP SITE REQUEST 04/15/92 Z1C 4

SHNPP-TSC-GAS STORAGE TANKS (LlliITQUANTITY OF RADIOACTIVITYIH EACH TANK FROH 1.05 E5 CURIES TO 86,825 CURIES)

TS 3.11.2.6 (TSC 92-01)

INPUT RECEIVED.

PACKAGE IN PREPARATION.

93G0029 2

SITE REQUEST (PHSC APP 1/6/93)

SHNPPTSC-REVISED TRAIHIHG PROGRAH INPUT REC'D.

PACKAGE IH PREPARATIOH.

SHHPP 1

DESCRIPTION (FOR CONSISTENCY MITH FSAR HRR ei/06/93 Zin CONHIT)iENT)

(TSC 92-06) 4 TS 6.4 88G8066 2

SITE REQUEST SHNPP 10/14/88 Z2A 35 SHNPPLIHITIHG CONDITIONS FOR OPERATOR ACTIOH REQ'lSTS (ALLOMS PLACING PLT INTO A NODE WERE TS IS NO LOHGER APPLICABLE)

TS 3.1.2.2.3/3.1.2.4/3.7.1.1 (TS 87-12)

(NRC TAC '79410)

SUBHITTED 12/28/90; AMAITIHG HRC REVIEM b, APPROVAL. (PREHOTICED 2/20/91).

HRC REQUEST FOR ADDITIOHALACTIOH REC'D 7/20/92; (RESPOHDED TO NRC'S RAI OH 9/29/92).

01/13/93 CAROLINA PUMER a LIGNI COMPANY S H N P P - 18 NOHTH REGULATORY AGENDA (ATTACH 3)

FACTS v SITE PRI SOURCE DOCUNEHT AGEHCY UHIT HUC PRI/SCH IHD ISSUE ACTION 89G0515 SHHPP HRR SITE REQUEST; GL 89-01 1/31/89 (HRC-89-082) 10/29/89 Z2B 4

SHHPP - RADIAT!OH EFFLUENT/ENVIRONNEHTAL NOHITORIHG (RENOVAL OF TABLES FROM IS)

TSC 87-04 (ORIG NLS-88-034 DTD 2/16/88)

TS 3.3.3.10/3.11.1.1 SUBNITTED 7/21/92; SUBNITTED REVISED TS PAGES 9/3/92.

REQUESTED OH 12/18/92 THAl NRC HOLD ANEHDNEHT UNTIL 10CFR20 GENERIC GUIDANCE IS IHCORPORATED IHTO TSCR.

SUPPLENEHTAL SUBNITTAL IH PREPARATION.

90G0318 2

HAD ORG.

CHANGE COHV.

SHNPP 1

MITH H.

BOMLES HRR 08/17/90 Z2C 4

SHHPP-TECH SPEC CHANGE - HUCLEAR SUBMITTED 8/06/92.

AMAITING HRC REVIEN.

ASSESSNEHT DEPARTNEHT FUHCTIOHAL CHAHGES PREHOTICED 09/16/92.

(IHCLUDES POlENTIAL lSC SAFETY REVIEMS)

(IHTERNAL DUE DATE) 92G0229 2

SllE REQUEST SHNPP 1

NRR 05/13/92 Z2D 4

SHNPP-TSC-PRESSURE/lENPERATURE LINITS AMAITIHG IHPUT FRON NED.

CONSERVATIVE REVISIONS:

SUBNIT REPLACENEHTS FOR 8/2e/93 NEED BASED OH 100X THERNAL RUN 5 EFPY P/T LINITS CURVES IH CYCLE 5.

(BASED OH LAST CAPSULE ANALYSIS) 92G0408 2

SITE REQUEST SHNPP 1

es/26/92 z2E 4

SHHPP AREA TENPERATURE NOHITORIHG TSC PNSC APPROVAL 8/26/92.

PACKAGE MITH (TSC 92-03)

(3.7.12)

HLS FOR PREPARATION OF TSCR.

89G0516 2

MCAP-10272-A SUPP 2, REV 1

SHNPP NRR es/e1/s9 Z2F 18 SHNPP ESFAS SURVEILLANCE TESTING NED MORK SCOPE PLACED OH HOLD BY PLAHT.

(TSC TO IHCREASE ALLOMED OUTAGE TINES 6 PLAHT ASSESSING COST/BEHEFIT OF CHANGE.

SURVEILLANCE INTERVAL FOR ESFAS IHSTRU-NEHTATIOH).

(TS 3.3.2)

(TSC 89-

)

Gl/13/Y3 LhNULN>< FUNtA n Llblll'LUiQ'hNI S H N P P - 18 MONTH AEGULATORY ACEHDA (ATTACH 3)

FACTS v SITE AGENCY F'RI SOURCE DOCUMENT UNIT HUC PRI/SCH IHD ISSUE ACTION 89C0530 1

SITE REQUEST SHNPP HRR 03/18/88 Z2G SHNPP MOLDED CASE CIRCUIT BREAKERS TECH.

SPEC CHANGE.

ANAITIHC PLAHT (CONTAIHMEHT PENETRATION CONDUCTOR OVER-APPROVAL OF PCR 2465, REV 0.

CURREHT PROTECT IOH TEST AEVISIOH)

TSC 88-12 TS 4.8.4.1 91C0414 2

SITE REQUEST SHNPP 1

HRR 10/16/91 Z2H SHNPP-NEGATIVE FLUX RATE TRIP DELETIOH HFS TO PROVIDE IHPUT.

(TS 3/4.3.1)

(AMENDMENT REQUESTED PRIOR TO RFO 45).

92G0403 2

10 CFR 50.54(A)(3)

SHNPP 1

HAR 09/10/92 Z21 SHNPP HRC APPROVAL OF QA PAOGRAM CHANCES SUBMITTED 8/6/92; ANAITINC HRC REVIEN 6 APPROVAL.

11/25/92 Z3A 4

92GG534 2

HRC-92-0663 HRC RAI SHNPP NRR SHNPF' REQUEST FOR ADD'L INFORMATION -

ANAITIKC SITE IHPUT.

REGARDIHC REVIEN OF THE OFFSITE DOSE CALCULATIOH MANUAL 92CG380 SHNPP HRR 10CFA26.11(D)

Z3B SHNPP:

SEMI ANNUAL FITHESS FOR DUTY AEPORT DUE 60 DAYS FROM EHD OF REPORTIHC PERIOD

01/13/93 CAROLINA POQER 6 LICH) CUtQ'At(Y S

H N P P - 18 NONTH REGULATORY AGENDA (ATTACH 3)

FACTS 4 SITE PRI SOURCE DOCIEHT AGENCY UNIT NUC PRI/SCH IHD ISSUE ACTIOH 93C0830 2

NRC-93-8012; BULL 90+1 SUPP 1

SHHPPBULLETIN 90-01, SUPP 1:

LOSS OF EXTEHSIVE TRAHSHITlER INFORHATIOH HAS SHNPP FILL-OIL IN TRAHSHITlERS HAHUFACTURED BEEH REQUESTED AS MELL AS PERSOH-BURDEH HRR 12/22/92 Z3C BY ROSEHOUNT.

IKFORHATIOH.

h 93G8032 2

NRC-93-0013 Cl. 92%8 SHNPP HRR 12/17/92 Z3D h

SHNPP CL 92-08 TKERNO-LAG 330-1 FIRE RESPOND TO GENERIC LETTER.

BARRIERS 92G02S0 2

10CFRS0 SHHPP NRR 06/16/92 Z3E h

SHHPP-SUBHIT COALS 6 OBJECTIVES FOR 1993 FULL SCALE EXERCISE TO NRC SUBHITTAL RE()'D 7S DAYS PRIOR TO EXERC.

(EXERCISE SCHEDULED 7/27/93).

DUE DATES ARE APPROXIHATE.

92C0113 2

SHNPP 1

HRR Z3F SHNPP-ANNUAL FSAR AHENDI1EHT NO. hh THE LSU HAS RECEIVED 7S PACES (66 FROH IHlERIH h3A) AND HAS RECEIVED COPIES OF 83 DESIGH DRAMIHGS.

IHTERIH AHENDHENT HO. h3B MAS PUT IH HLS ROUTING ON 11/25/92.

92C0268 SHNPP NRR (eFRSe 07/1S/92 Z3G h

SHHPP SUBHIT SCEHARIO E CONlROLLER IHFO SUBMITTAL REQ'D hS DAYS PRIOR TO EXERC.

FOR 1993 FULL SCALE EXERCISE TO HRC (EXERCISE SCHEDULED 7/27/93).

DUE DATES ARE APPROXIHATE.

01/13/93 CAROLIHA POMER 6 LIGHT CONPANY S

H H P P - 18 NOHTH REGULATORY AGENDA (ATTACH 3)

FACTS T SITE PRI SOURCE DOCUNEHT AGEHCY UHIT HUC PRI/SCH IHD ISSUE ACTIOH 92G0373 2

10 CFR 50.46(A)(3)(lt)

SHHPP 1

HRR 08/27/92 Z3H 4

,SHHPP SUBNIT ANNUAL ECCS EVALUATION NODEL CHANCE REPORT (IH ACCORDAHCE MITH 10 CFR 50.46 (A)(3) (II)

SUBNIT AHHUAL ECCS EVAL NODEL CHANCES.

89G0542 2

CP6L LTR (HLS-89-290)

SHHPP HRR 10/31/89 Z3I 4

SHHPP-<EHERIC LETTER 88-20; IHDIVIDUAL SUBNIT IPE PRA.

CHS PREPARIHG.

CP6L PLANT EXANIKATIOHFOll SFVERE ACCIDEHT SUBNITTAL DATE REVISED PER HLS-91-080 VULHERABILITIES (10CFR50.54(F)

DATED 3/21/91.

92G0569 SHHPP HRR HRC-92-704 12/04/92 Z33 RESPOHSE TO BULLETIH 92-01, SUP 1.,

IHFORN HRC MHEH FIRE BARRIERS ARE FAILURE OF THERNO-LAG 330 FIRE BARRIER ACCEPTABLE.

SYSTEN, HHP 90G8004 5 'ITE REQUEST SHHPP 07/10/90 Z5 4

SHHPP RAB/FHB ENERGEHCY EXHAUST HVAC (REVISE RAB 6 FHB HVAC TSC TO NATCH CR HVACTS)

TS 3.7.7 6 3.9.12 (TSC 90-

)

TSC AMAITIHG PLT IHPUT.

90G0231 5

SITE REQUEST SHHPP HRR 06/27/90 Z5 14 S}NPP-POTEHTIAL TSC TO CLARIFY ULTINATE A'MAITIKGSITE IHPUT BASED OH PCR 5342 HEAT SIHX SPEC 3/4.7.5 ACTIOHS (PCR DEVELOPNEHT 6 SCHEDULE TO BE ESTABLISHED).

(TSC 90-

)

I II

~

~

~

~'

LI~ ~ ~

M III~ ~

S H H P P - 18 NOHTH REGULATORY AGENDA (ATTACH 3)

FACTS v SITE PRI SOURCE DOCUNEHT AGEHCY UNIT HUC PRI/SCH IHD ISSUE ACTIOH 92G89G6 5

HED REQUEST SHHPP 1

ea/Ze/92 Z5 4

SHHPP RTD DYPASS ELINIHATIOH AMAITIHG HED IHPUT AHD f'RIORITY FRON SITE.

99GG221 5

SITE REQUEST SHHf'P HRR 06/14/98 Z5 SHHPP-COHTAIHNEHT LINER TENPERATURE (REVISES DESIGH FEATURES SECTION TO REFEREHCE LIHER TENP VS.

PEAK AIR TENP)

TS 5.2.2 (TS 90-

)

TECH SPEC CHANGE; AVAITIHG PLANT IHPUT.

91Cea(S 5

SHHPP 1

HRR SITE REQUEST 19/11/9(

Z5 SHHPP DIESEL GEHERATOR SLOQ START TESTIHG TSC (TS 3.8.1.1)

AVAITIHG SITE IHPUT AHD PRIORITY.