ML20085K974

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Forwards Amend 2 to Fire Protection Rept.Amend Incorporates Info Re Instrumentation,Communications & Suppression Sys & Addl Info & Commitments Responding to NRC Concerns from Fire Protection Audit
ML20085K974
Person / Time
Site: Byron, Braidwood, 05000000
Issue date: 10/13/1983
From: Tramm T
COMMONWEALTH EDISON CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
Shared Package
ML20085K976 List:
References
7457N, NUDOCS 8310210234
Download: ML20085K974 (8)


Text

/

Commonwealth Edison

[

C One First National Plaza. Chicago, Illinois (C'

Addres: Reply to: Post Office Box 767 Chicago. Illinois 60690 October 13, 1983 Mr. Harold R.

Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

Byron Generating Station Units 1 and 2 Braidwood Generating Station Units 1 and 2 Fire Protection Report NRC Docket Nos. 50-454, 50-455, 50-456, and 50-457

References:

a)

August 16, 1982 letter from T.R. Tramm to H.

R. Denton b)

P tch 4, 1983 letter from C.

W.

Schroeder to H.

R. Denton c)

June 17, 1983 letter from T. R.

Tramm to H.

R. Denton d)

June 17, 1983 letter from T. R.

Tramm to H.

R. Denton e)

September 20, 1983 letter from B. J. Youngblood to D. L. Farrar

Dear Mr. Denton:

This letter provides Amendment 2 to the Byron /Braidwood Fire Protection Report which was submitted in references (a) and (b).

This amendment incorporates information regarding instrumentation, communications and suppression systems which was provided to the NRC in references (c) and (d).

It also includes additional information and commitments made in response to NRC concerns identified during the Byron site fire protection audit as documented in reference (e).

Voluntary changes to correct mistakes and update the report are also included.

Attachment A to this letter summarizes the changes contained in Amendment 2.

This list is provided as an aid to NRC review of the amendment.

Please direct questions to this office.

A04

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8310210234 831013 l

PDR ADOCK 05000454 F

PDR One signed original and thirty-nine copies of this letter and the attachment are provided.

Forty copies of Amendment 1 are also provided.

Very truly yours, Ob" e

T.

R.

Tramm Nuclear Licensing Administrator 7457N bg l

l l

l


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ATTACHMENT A

SUMMARY

OF CHANGES CONTAINED IN B/B-FPR AMENDMENT 2

Page, Figure, or Table Number Description of Change vi, vi (cont'd) and x Update to include new pages 1,2-1 Revised fuel load dates i

T2.2-2 (p. 2.2-4 Include new fire zones, revise lists through 2.2-17) of safety-related equipment and radio-active equipment for some. fire zones, editorial corrections.

T2.2-3 (p. 2.2-18 Include new fire zones, include fire through 2.2-33) suppression and fire detection zone numbers in fire zones where present, revise combustible materials inventory in some fire zones, editorial corrections.

F2.2-1 Correct fire zone assignments for ESF Cooling Towers.

2.2-3 Specify location of ionization detectors for this fire zone.

2.2-6 Specify location of ionization detectors for this fire zone.

I Include and specify location of ioniza-2.2-8 tion detectors in this zone.

4 2.3-9 Revise description of control room fire 4

doors.

I 2.3-13, 14 Revise inventory of combustible materials, l

fire loading, and design basis fire descriptions for fire zones 2.1-1 and 4

2.1-2.

i 2.3-16 Correct fire barrier description for fire zone 3.1-1.

l 2.3-37 Editorial

)

2.3-48 Fire zone 3.4A-1 can now be reached by relocated hose station no. 16.

i

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. ~, _. _ -

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

ATTACHMENT A (Cont'd)

B/B

Page, Figure or Table Number Description of Change 2.3-56 Revise fire barrier description for ceiling of fire zone 5.3-1.

2.3-58 Revise fire barrier description for ceiling of fire zone 5.4-1.

2.3-127 Control room refrigeration equipment is not required for safe shutdown.

2.3-129 and 129a Add description for fire zone ll.4B-0.

2.3-130, 131, 133 Renumber sections.

and 134 2.3-135 Renumber sections, revise fire door descriptions for fire zone 11.5-0, 2.3-137 Renumber section.

2.3-139, 139a and Add description for new fire zone ll.5A-0, 139b renumber section.

2.3-140 Revise fire barrier description for ceiling of fire zone ll.5A-1.

2.3-141, 143 Renumber sections.

2.3-144 Revise fire barrier description for floor of fire zone 11.6-1, 2.3-145 Renumber sections.

2.3-146 Add description of ionization detectors provided for fire zone 11.6A-0.

2.3-147, 147a, 147b Add description of new fire zones 11.6A-1 and 11.6A-2.

2.3-149, 151 Renumber sections.

2.3-156 Revise description of fire detection features prov ided for the fuel handling building.

2.3-177 Add description of ionization detectors provided over the valve enclosures of the main steam pipe tunnel. c

ATTACHMENT A (Cont'd)

B/B

Page, Figure, or Table Number Description of Change 2.3-220 Add description of ionization detectors provided for the security diesel MCC.

F2.3-8, sheet 2 Revise fire door symbol (L/ll) ; relocate hose station no. 16.

F2.3-8, sheet 3 Correct divisional assignment symbols for battery room ventilation fans.

F2.3-8, sheet 4 Revise fire door symbols (L/18, L/25, K/37, F/37).

F2.3-10, sheet 1 Delete

  • floor fire rating for electrical penetration area (fire zone 11.6-1); add hose station no. 236 (near S/15).

F2.3-12, sheet 1 Revise fire door symbols (L/7, L/10, L/ll, Q/7, O/8).

F2.3-12, sheet 2 Add door to L-row wall at L/ll (to match sheet 1) and door rating symbol; revise fire door symbols (L/7, L/10).

F2.3-12, sheet 3 Add fire door symbole (L/28, L/29);

revise fire door symbols (L/28, L/29, O/28, O/29).

F2.3-12, sheet 4 Revise fire door symbols (L/20, L/28, L/29); revise wall arrangement at F-G/37.

l F2.3-13, sheet 1 Correct divisional assignment symbols for the auxiliary feedwater pumps; revise elevator door symbol (Q/18).

F2.3-13, sheet 2 Correct the auxiliary feedwater pump divisional assignment symbols.

F2.3-14, sheet 1 For all four containment fan coolers, revise the old divisional assignment symbols to match the new equipment layout.

F2.3-14, sheet 3 For all four.containmnet fan coolers, add divisional assignment symbols.

F2.3-14, sheet 4 Add the fire hazard symbol to the third heater drain pump..

ATTACHMENT A (Cont'd)

B/B

Page, Figure, or Table Number Description of Change F2.3-16, sheet 1 Remove the wall fire rating symbol from the door at M/21.

F2.3-18, sheet 1 Revise wall and door arrangement at F-G/37 on el. 401'-0".

F2.3-31, sheet 1 Add divisional assignment symbols to ventilation fans and switchgear in ESF cooling tower electrical rooms.

2.4-6 and 7 Revise " Repairs" subsection to include commitment to have a repair procedure in effect.

2.4-10 and 10a Revise neutron monitoring instrumenta-tion discussion; add PORV/ block valve cable and control cable discussion.

2.4-12 Revise neutron monitoring instrumenta-tion discussion for fire zones 3.2B-1 and 3.2C-1.

2.4-16, 16a Add description of new safe shutdown instrumentation (Fire Hazards Panel) to Aux. Elec. Equipment Room (fire zone 5.5-1).

2.4-25, 26 and 27 Revise discussions for fire zones 11.4-0 and ll.4C-0 to mention new Fire Hazards Panel.

2.4-34a through 341 Add new subsection 2.4.3 (previously included in FSAR as response to question 040.188.

T2.4-2 (p. 2.4-38)

Delete MSIV's.

T2.4-3 (p. 2.4-41)

Editorial T2.4-4b (p. 2.4-54)

Add " control switches" under repair description.

T2.4-5 (p. 2.4-57)

Add new fire zone.

T2.4-6 (p.2.4-58)

Add new fire zone.

T2.4-7 (p. 2.4-60)

Add new fire zones. _

ATTACHMENT A (Cont'd)

B/B

Page, Figure, or Table Number Description of Change T2.4-9 (p. /2. 4-6 3)

Editorial; add cable to list.

T2.4-ll (p. 2.4-66)

Add cable to list.

T2.4-13 (p. 2.4-68)

Editorial T2.4-15 (p. 2.4-70)

Correct the cable description.

T2.4-20 (p. 2.4-79 and 80)

Editorial T2. 4-22 (p. 2. 4-85, and 8 6)

Editorial T2.4-28 (p. 2.4-95)

Editorial T2.4-43 (p. 2.4-122)

Correct the cable description.

T2.4-43 (p. 2.4-126)

Editorial T.2.4-56 (p. 2.4-141)

Editorial T2.4-61 (p. 2.4-149, Editorial 150 and 152 1

T2.4-62 (p. 2.4-155)

Editorial T2.4-70 (p. 2.4-165)

Add cable to list.

T2.4-71 (p. 2.4-166 and Editorial 167)

T2.4-74 (p. 2.4-171 and Editorial 172)

T2.4-74f (p. 2.4-180 and Editorial 181)

T2.4-75 (p. 2.4-183)

Editorial T2.4-76 (p. 2.4-185 Editorial and 187)

T2.4-80 (p. 2.4-196)

Editorial T2.4-81 (p. 2.4-201 and Correct the cable description; editorial.

j 203)

! t

ATTACHMENT A (Cont'd)

B/B

Page, Figure, or Table Number Description of Change T2.4-101 through 105 Add new material for new subsection

-(pags 2.4-228 through 250) 2.4.3.

3.1-10 Add reference to safe shutdown analysis.

3.2-3 Add reference to Pre-Fire Plans.

3.5-4 Add description of non-compliance with BTP for outdoor transfornters.

3.5-12 Add reference to smoke removal section of Pre-Fire Plans.

3.5-13 and 14 Revise radio repeater discussion to include new radio repeater, and compliance with BTP.

3.6-7 Add description of exception taken to BTP with regard to frequency of testing of Halon systems.

3.7-8 Add clarification of battery room area arrangement.

3.7-10 Add clarification for safety-related pump rooms.

A5.4-iii Update T of C.

A5.4-1 Update and expand introductory discussion of fire protection systems descriptions.

AS.4-34 Expand description of fire detection systems.

(

TA5.4-1 (pgs. AS.4-15 Update and correct table entries.

through 22)

FA5.4-1 New fire protection system single line diagram.

FAS.4-2 New fire detection schematic diagram for cable spreading rooms. -

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