ML20196B137

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Forwards SE Accepting Licensee 180-day Response to GL 95-07, Pressure Locking & Thermal Binding of Safety Related Power-Operated Gate Valves, Submitted in 960524,0705,980529 & Suppl Dtd 980727,for Plant,Units 1 & 2
ML20196B137
Person / Time
Site: LaSalle  Constellation icon.png
Issue date: 11/23/1998
From: Skay D
NRC (Affiliation Not Assigned)
To: Kingsley O
COMMONWEALTH EDISON CO.
Shared Package
ML20196B142 List:
References
GL-95-07, GL-95-7, TAC-M93477, TAC-M93478, NUDOCS 9811300278
Download: ML20196B137 (8)


Text

_ . . _ _ _ _ __ _ _ - _ _ _ _ .. _ . _ _ _ _ _ _ _

I November 23, 1998 Mr. Oliver D. Kingsley, President

. Nuclear Generation Group )

i Commonwealth Edison Company l

, Executive Towers West til 1400 Opus Place, Suite 500 Downers Grove,IL 60515

SUBJECT:

SAFETY EVALUATION OF LICENSEE RESPONSE TO GENERIC LETTER 95-07," PRESSURE LOCKING AND THERMAL BINDING OF SAFETY-RELATED POWER-OPERATED GATE VALVES"- LASALLE COUNTY STATION, UNITS 1 AND 2 (TAC NOS. M93477 AND M93478) i

Dear Mr. Kingsley:

On August 17,1995, the NRC issued Generic Letter (GL) 95-07, " Pressure Locking and Thermal Binding of Safety-Related Power-Operated Gate Valves," to request that licensees take actions to ensure that safety-related power-operated gate valves that are susceptible to pressure locking or thermal binding are capable c' 9erforming their safety functions.

In a letter of February 13,1996, Commonwealth Edison Company submitted its 180-day response to GL 95-07 for LaSalle County Station, Units 1 and 2. The NRC staff reviewed the licensee's submittal and requested additional information in letters dated April 2,1996, June 5, 1996 and May 14,1997.~ The licensee provided the additional information in letters dated May 24,1996, July 5,1996 and May 29,1998.- In a letter dated July 27,1998, the licensee i supplemented its 180-day response to GL 95-07. The NRC staff has reviewed the licensee's  !

submittals and finds that the licensee has adequately addressed the actions requested in GL 95-07, as discussed in the enclosed safety e@uation.

Sincerely, i

ORIG. SIGNED BY Donna M. Skay, Project Manager 9811300278 981123 Project Directorate lll-2 PDR ADOCK 05000373 Division of Reactor Projects - til/lV  !

P PDR Office of Nuclear Reactor Regulation l' j

Docket Nos. 50-373,' 50-374 DISTRIBUTION:

liboehotfilof PUBLIC

Enclosure:

. Safety Evaluation PDill-2 r/f EAdensam, EGA (j . P( l SRichards CMoore cc w/ enclosure: See next page DSkay OGC,015B18 DHills, Rlll ACRS, T2E26

  • concurrence provided by memo dated 11/3/98; no major revisions DOCUMENT NAME: G:\PD3-2\CM\LASALLE\LA93477.SE To receive a copy of this document. Indicate in the kox: "C" = Copy without enclosures "E" = Copy with enclosures "N" = No copy OFFICE PM:PDill-2 (, S?ftpll-2 (7 / EMEB D:PDill-2 6.

NAME DSKAY /J ai) OMpDihi DTERAO

  • SRICHARDS S &

DATE 11/03 /94 11/ M/98 11/3/98 11/2 S /98 OFFICIAL RECORD COPY n.m .- ~ ,,,.-.m n ,m 3500l? hsY sd honda 67 W

a us g M1 UNITED STATES g j NUCLEAR REGULATORY COMMISSION o WASHINGTON, D.C. 20666-0001

<w .,

    • ,* November- 23, 1998 Mr. Oliver D. Kingsley, President

, Nuclear Generation Group .

Commonwealth Edison Company Executive Towers West ll1 1400 Opus Place, Suite 500

Downers Grove,IL 60515

SUBJECT:

SAFETY EVALUATION OF LICENSEE RESPONSE TO GENERIC LETTER 95-07," PRESSURE LOCKING AND THERMAL BINDING OF SAFETY-RELATED POWER-OPERATED GATE VALVES"- LASALLE COUNTY STATION, UNITS 1 AND 2 (TAC NOS, M93477 AND M93478)

Dear Mr. Kingsley:

On August 17,1995, the NRC issued Generic Letter (GL) 95-07, " Pressure Locking and Thermal Binding of Safety-Related Power-Operated Gate Valves," to request that licensees take actions to ensure that safety-related power-operated gate valves that are susceptible to i pressure locking or thermal binding are capable of performing their safety functions. '

in a letter of February 13,1996, Commonwealth Edison Company submitted its 180-day

response to GL 95-07 for LaSalle County Station, Units 1 and 2. The NRC staff reviewed the licensee's submittal and requested additional information in letters dated April 2,1996, June 5, 1996 and May 14,1997. The licensee provided the additional information in letters dated
May 24,1996, July 5,1996 and May 29,1998. In a letter dated July 27,1998, the licensee supplemented its 180-day response to GL 95-07. The NRC staff has reviewed the licensee's submittals and finds that the licensee has adequately addressed the actions requested in GL 95-07, as discussed in the enclosed safety evaluatiors j Sincerely, _

/ a77A0%'

Donna M. Skay, Project Ma ger 4

Project Directorate ill-2 Division of Reactor Projects - Ill/IV j Office of Nuclear Reactor Regulation

)

Docket Nos. 50-373,50-374

Enclosure:

Safety Evaluation cc w/ enclosure: See next page

4 I- ' O.' Kingsley LaSalle County Station .

Commonwealth Edison Company Units 1 and 2 cc:

, Phillip P. Steptoe, Esquire . Robert Cushing, Chief, Public Utilities Division i Sidley and Austin Illinois Attomey General's Office One First National Plaza 100 W. Randolph Street

- Chicago, Illinois 60603 Chicago, Illinois 60601 Assistant Attomey General Michael I. Miller, Esquire 100 W. Randolph St. Suite 12 Sidley and Austin Chicago, Illinois 60601 One First National Plaza Chicago, Illinois 60603 '

U.S. NRC-LaSalle Resident inspectors Office 2605 N. 21st Road Document Control Desk-Licensing Marseilles, Illinois 61341-9756 Commonwealth Edison Company

, 1400 Opus Place, Suite 400 Chairman Downers Grove, Illinois 60515 LaSalle County Board of Supervisors LaSalle County Courthouse Commonwealth Edison Company 4 Ottawa, Illinois 61350 "

Site Vice President- LaSalle

  • 2601 N. 21st Road Attomey General Marseilles, Illinois 61341-9757 500 S. Second Street

'Soringfield, Illinois 62701 Mr. David Helwig Senior Vice President Chairman - Commonwealth Edison Company illinois Commerce Commission Executive Towers West lll 527 E. Capitol Avenue, Leland Building 1400 Opus Place, Suite 900 Springfield,lilinois 62706 Downers Grove, IL 60515 Illinois Department of Nuclear Safety Mr. Gene H. Stanley Office of Nuclear Facility Safety PWR's Vice President 1035 Outer Park Drive Commonwealth Edison Company

- Springfield, Illinois 62704 Executive Towers West lil 1400 Opus Place, Suite 900 Regional Administrator Downers Grove, IL 60515 U.S. NRC, Region ll!

801 Warrenville Road Mr. Steve Perry Lisle, Illinois 60532-4351 BWR's Vice President Commonwealth Edison Company Commonwealth Edison Company Executive Towers West lll LaSalle Station Manager 1400 Opus Place, Suite 900 2601 N. 21st Road - Downers Grove,IL 60515 Marseilles, Illinois 61341-9757

. . . - _ -. . _.. - _ - . .. . . . . . . - . -. ~

l I

O. Kingsley '

LaSalle County Station .

, . Commonwealth Edison Company Units 1 and 2 l

  • Mr. Dennis Farrar .

Regulatory Services Manager Commonwealth Edison Company Executive Towers West lil

'1400 Opus Place, Suite 500 Downers Grove, IL 60515 Ms. Irene Johnson, Licensing Director Nuclear Regulatory Services Commonwealth Edison Company Executive Towers Westill 1400 Opus Place, Suite 500 Downe's Grove,IL 60515 Commonwealth Edison Company Reg. Assurance Supervisor- LaSalle 2601 N. 21st Road ,

Marseilles, Illinois 61341-9757 Mr. Michael J. Wallace Senior Vice President Commonwealth Edison Company Executive Towers West lli 1400 Opus Place, Suite 900 Downers Grove,IL 60515 l

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