ML17199G575

Summary of 870406-07 Site Meetings W/Util Re 10CFR50,App R Exemption Requests,Including Walkdown of Fire Protection Equipment.Attendance List & Related Info Encl

ML17199G575
Person / Time
Site:	Dresden
Issue date:	04/21/1987
From:	Grotenhuis M Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
NUDOCS 8705060135
Download: ML17199G575 (8)

Text

....

• _)

• ~.

• 9_-,April' 21, 1987

~: Docket Nos:

50*-237 /249 LICENSEE: Commonwealth Edison Company *(cECo)

,. FACILITY: Dresden ~ucle~r Powe~ S~ation Units 2 and.3 (D~esden)

Local PDR DMuller MGrotenhuis

• OGC-Bethesda EJordan JPartlow LMcGregor TStang,,_-;:-

SUMMARY

OF MEETING HELD ON APRIL 6 AND 7, 1987 AT THE DRESDEN SITE TO WALKDOWN FIRE PROTECTION EXEMPT.ION* ITEMS.

BACKGROUND:

By 1 etter:s dated August 10, 1984 _and *september 18, 1985, Commonwealth Edi son tompany (CECo) requested exemptions*from S~ction III.G of Appendix R to

• '*.10 CFR 50.

By letterdateo:October 16, 1985, the Licensee submitted

.additional fire protaction exe~ption requests as an extension oi the

. September.18, 1985 submi tta 1.

• By letter.<;lated May 30, 1986., *CECo furthe*r revised the* exemption request submittals based on a, 'meetfng held at the NRC on Apdl 8, 1986 *. *".

This site visit was the final *s~ep ih the revision of the exemption request.

It consisted.of a walkdown of the areas involved.in the exemption requests to

._***observe the. equipment.involved first hand.

The agenda fci,r the walkdown is _in Ericlosure 1. The attendees for the"opening meeting -~and *closing meeting' are given i,n Enclosur.es 2 and._3*.

SUMMARY

~,. '

t*,

The walkdown was conducted ess~n~ijl]y as scheduled.*. Each ar~~ involved in ~n

. ** exemption was e~amin.ed carefully and compar~d fo the NRC draft of a safety evaluation(SE) prepared to s'upport*the exemption.

The draft*SEwas updated

• and/or corrected.as found.necessary by. the walkdown *. Ina few instances it 1

• .. ~ ~..;

I.*;:.*

... will be necessary for CECo t'(:> upd_ate the applicat.ion for* the_ ex~mption.

I~ addition to.the walkdown as ]1ven i~ EnclQ~ur~ 1, ~ walkdown of the manu~l 1.actions requlred for a control room fire was also conducted.

- *,1 End osures:

As'*sfated

~.

Marshall Grotenhuis, Project Manager Project Di recto rate II I-2

.. r; Division of Reactor Projects.III, iV,.. v.

and Special Projects.

i cc w/enclosures:

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.. *.MGrotenhuis D R~(l ler

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8705060135** 870421

.. ~DR.* ~DOCK_ O~OO~B~~

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Mr. Dennis L. Farrar Commonwealth Edison Company Dresden Nuclear Power Station, Units 2 & 3 Quad Cities Nuclear Power Station, Units 1 & 2 cc:

~r. Michael I. Miller Isham, Lincoln t Beale Three First National Plaza Suite 5200

• Chicago, Illinois 60602 Mr. J. Eeniaenbura Pla"t Superintendent Dresder Nuclear Power Station Rural Route #1 Morris, Illinois 60450 U.S. Nuclear Regulatory Commission Resident Inspectors Office Dresden.Station Ru r a 1 Route I 1 Morris, Illinois 60450 Chai nnan Board of Supervisors of Grundy County Grundy County Courthouse Morris, Illinois 60450 Regional Administrator, Region III l'~S. Nuclear Regulatory Conmission 799 Roosevelt Road Glen Ellyn, Illinois 60137

~r. Michael E. Parker, Chief Division of Engineering Illinois Department of Nuclear Safety 1035 Outer Par~ Drive, 5th Floor Springfield, Illinois. 62704 Mr. B. C. O'Brien, President Jowa-Illinois Gas & Electric Company 206 East Second Avenue Davenport, Iowa 52801 Resident Inspector U.S. Nuclear Re~ulatory Commission 22712 206th Avenue North Cordova, Illinois 61242 Mr. Nick Kalivianakis Plant Superintend~nt Quad Cities Nuclear Power Station 22710 ?06th Avenue North Cordova, Illinois 61242 Chainnan, Rock Island County Bo~rd of Supervisors Rock Island County Court ~ouse Rock Isla~d, Illinois 61201

r>*

Walkdown

1.

Enter trackway proceed to Reactor Building

2.

Hand out drawings in air lock Reactor Building, Ground Floor, Unit 2

3.

Show Shutdown Cooling Pump *Room penetration seals, damper, door

4.

Show instrument rack,

local gauges, remote wide level, physical separation, fire breaks

5.

Torus access and MCC 28-1

6.

Fire breaks in cable trays.

2/3 Diesel Generator Room

7.

Enter 2/3 DG Room through interlock

a.

Access for fire in RB2-II is from outside

b.

Alternate access, to HPCI rooms

c.

New control panels Reactor Building, Ground Floor, Unit 3

8.

South Wall

a.

Fire wrap on Unit 2 Bus Duct

b.

Unit 3 Bus Duct

c.

Fire wrap on alternate feeds

9.

LPCI Pump Room lack of continuity of combustibles

10.

Instrument rack

a.

Physical separation

b.

Fire breaks in cable trays

11.

Show Shutdown Cooling Pump Room Reactor Building, 2nd Floor, Unit 3

12.

RBCCW pumps 13.' LPCI valves 28B 29B

14.

Instrument rack Walkdown -

(Continued)

15.

Isolation Condenser Valve Room

16.

RWCU Heat Exchangers

17.

RBCCW pumps position relative to cable trays, 4kV switchgear, and hatch Reactor Building, 3rd Floor, Unit 2

18.

Hatch protection and detection Reactor Building, 4th Floor, Unit 3

19.

Isolation condenser

a.

Valves

b.

Level indication

20.

Hatch

a.

Water curtain location

b.

No continuity of combustibles

c.

Detection

d.

Protect-o-Wire panel

21.

Access to pipe chase

22.

Ladder to 3rd floor Reactor Building, 2nd Floor, Unit 3

23.

Duct and pipe out of SCP room Reactor Building, 3rd Floor, Unit 3

24.

HVAC duct - low combustibles

25.

Ladder down to RWCU pipe way

26.

Isolation Condenser Valve Room

27.

Switchgear

28.

Ladder protection Reactor Building, 4th Floor, Unit 3

29.

HVAC duct, low combustibles Reactor Building, Refuel Floor

30.

Low combustibles Walkdown -

(Continued)

Turbine Building, Main Floor

31.

Pass out drawings at interlock Turbine Building, Fan Floor

32.

CRD crosstie valves Turbine Building, 2nd Floor

33.

Floor-to-ceiling shield walls Turbine Building, Ground Floor, Unit 3, North

34.

Protection at stairs Turbine Building, Basement, Unit 3

35.

CRD pumps and local control

36.

Ladder in hatch Turbine Building, Ground Floor

37.

X-area walls, air vent valves 38_.

Condensate transfer pumps and local control

39.

Fire wrap work in progress

40.

Unit 3 cable tunnel Auxiliary Electrical Equipment Room

41.

Suppression and Detection

42.

Cable tunnel entrance Turbine Building, Unit 2 Battery Rooms

43.

Control Room HVAC fire dampers

44.

Loss of ventilation alarms Unit i/3 Cribhouse

45.

Pass out drawings

46.

Service water pumps

a.

Separation

b.

Header

c.

Suppression and detection Walkdown -

(Continued)

47.

Diesel Generator cooling water pumps

a.

Suppression and detection

b.

Transfer switch, fire wrap

48.

Diesel-driven fire pump (2/3)

Unit 1 Cribhouse

49.

Diesel-driven fire pump (Unit 1)

Name Marshall Grotenhuis*

Leonard G. McGregor*

Richard A. Flessner Jack D. Brunner Richard H. Johnson Gary L. Smith Wayne Pierce Chris Ksobiech Robert J. Whalen*

Brian M. Barth*

John Dunbar Tom Hausher R. M. Jei sy Fred W. Baker Ron Schwiezer Alfred Crawford Joseph Kovic John Stang*

Michael M. Dillon**

ATTENDANCE LIST

• Participated in all or a significant part of the walkdown.

Affi l ht ion USNRC PM USNRC SRI CECo Services Supt CECo Asst Supt-TS CECo TStaff Eng CECo Asst TS Supv CECo SNED PLC CECo Tech Staff CECo Sta Mgr CECo Maint Staff CECo Nuc Serv Tech CECo SNEB CECo SCD Site Supt CECo Sub Sta Const CECo Sub Sta Const CECo Sub Sta Const NRC PM CECo Dresden Fire Marshall

Name Tom Hausheer F. W. Baker B. M *. Barth Chris Ksobiech Ron Schweizer Joe Kovic Wayne Pierce Richard H. Johnson Gary L. Smith Rita Stol s Jack Brunner M. Grotenhuis Robert J. Whalen John Stang Richard A. Flessner E. 0. Eenigenburg N. Kaliviankakis ATTENDANCE LIST FOR APPENDIX R EXIT 1300 HRs Affiliation CECo-SNED CECo-SCD Site Supt S&L PLC Sub Sta Const.

CECo-Sub Sta Const CECo-SNED CECo-Dresden TS CECo-Asst. TS Supt CECo-Q.A. Engineer CECo-Asst Supt-TS NRC PM CECo-Dresden TS NRC PM CECo-Services Supt CECo-Sta Mgr CECo-G *. O.