ML17345B282

Forwards Supplemental Info Re 10CFR50,App R Re Fire Protection,Per 830408 Submittal.Thermal Fixed Temp & Rate of Rise Fire Detection Will Be Provided in Auxiliary Feedwater Control Valve (Fire Zones 113 & 116) Areas

ML17345B282
Person / Time
Site:	Turkey Point
Issue date:	09/30/1983
From:	Robert E. Uhrig FLORIDA POWER & LIGHT CO.
To:	Varga S Office of Nuclear Reactor Regulation
References
L-83-503, NUDOCS 8310040145
Download: ML17345B282 (6)

Text

REGULATORY FORMATION DI'STRIBUTION 'S EM (RIDS)

I ACCESSION NBR ~ 8310040145 DOO ~ DATE o 83/09/30 'NOTARI'ZED: NO DOCKET FACIL 50 250 >Turkey,Point iPl ant~,"Unit 3i Flor ida .Power and Light-~C 05000250

'50-251 'Tur key Point, Plant~ "Uni t 4g 'Florida "Power -and Light C 05000251 AUTH',NAME AUTHOR AFFILIATION

'UHRIG R ~ E ~ .Flor ida 'Power 8 Light tCo.

RECIP ~ NAME. RECIPIENT AFFILIATION VARGAp'S,AD Operating Reactors Branch 1

SUBJECT:

For war ds ~suppl info r e 10CFR50gApp 'R ne:fine protectiongper 830408 submittal. Thermal. fixed temp 8 rate of rise five detection will be:provided in areas of auxilliary .feedwater contr ol val ves (f i re Zones" 1'13 8 116) .

Dl'STRIBUTION 'CODE AO 06S >COPIES ~RECE'I VED ~ LT~'R '~ENCL' S I ZE ~.

TITLE: OR 'Submittal'. Fire.~Protection NOTES:

RECIPIENT iCOPIES RECIPIENT COPIES I() 'CODE/NAME L,TTR 'ENCL ID "CODE/NAME LTiTR -ENCL-NRR ORB1 "BC Ol ,3 p3 INTERNAL: ELD/HDS4 1 0 IE..F ILES 06 1 1 IE/WHITNEYg L 1 1 NRR FIORAVANT07 2 2' NRR NAMBACH 1 '0 NRR/ CEB 09 2 NRR/DL D I'R 1- 1 L 04 1 1 RGN2 1 1

' LPDR 03 oEXTERNAL:

.ACRS 11 1 1 NRC PDR 02' 1 NSIC. 05 1 1 NT'I'S 1

,TOTAL NUMBER OF 'COPIES REQUIRED: L~Ti,TR 21 ENCL 19

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FLORIDA POWER & LIGHT COMPANY September 30, 1983 L-83-503 Office of Nuclear Reactor Regulation Attention: Mr. Steven A. Varga, Chief Operating Reactors Branch gl Division of Licensing U. S. Nuclear Regulatory Commission Washington, D. C. 20555

Dear Mr. Varga:

Re: Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 10 CFR 50 App. R Fire Protection Supplemental Information During review of the Turkey Point fire protection submittal, several items required clarification. The attachment to this letter provides a summary of the clarifications agreed upon by FPL and supplements the information provided in the revised fire protection report submitted April 8, 1983 (L-83-115).

If additional information is required, please contact us accordingly.

Very truly yours, Robert E. Uhrig Vice President Advanced Systems 8 Technology REU/PKG/js Attachment cc: J. P. O'Reilly Harold F. Rei s, Esquire 830930 83i0040i45 05000250 PDR ADOCK F PDR PEOPLE... SERVING PEOPLE

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ATTACHMENT TURKEY POINT UNITS 3 & 4 DOCKET NOS. 50-250 & 50-251 10 CFR 50 APPENDIX R FIRE PROTECTION SUPPLEMENTAL INFORMATION

1. Fire Zones 47 and 54, the outdoor component cooling water pump areas will each be provided with fully automatic, functionally redundant deluge systems actuated by fast response ultraviolet (UV) detection systems. The response time for UV type detectors is typically less than 25 milliseconds for an intense UV source and the sensitivity is such that a gasoline fire with a one square foot surface areas can be detected at distances of over 45'. Area coverage will be as shown in Figures 54-1 and 47-2 previously submitted. Each system will be independently isolable from the main fire loop and will provide redundant protection for all hazards in the fire area.

2. A radiant energy shield will be located between the charging line isolation valves (4-310A and 4-310B) located in the Unit 4 containment. The radiant energy shield will be designed such that line of sight communication between these two valves will be prevented. Similar modifications for the Unit 3 charging line iSolation valves will be provided the future Unit 3 containment walkdown.

if the need is identified during

3. Thermal fixed temperature and rate of rise fire detection will be provided in the areas of the auxiliary feedwater control valves (fire zones 113 and 116). Two detectors will be provided above and two detectors below the platform separating redundant valves.

4. The A charging pump motor power conduit, from the motor terminal box to the floor penetration in both the Unit 3 and Unit 4 charging pump rooms will be provided with one hour rated protection.

5. The C intake cooling water pump motors power conduit from the motor terminal box to the floor penetration will be provided with one hour rated protection in Fire zones 119 and 120.

6. The exemptions requested from providing radiant energy shields between the excess letdowns isolation valves AOV-4"387 and HCV-4-137 is withdrawn. It was agreed that this exemption was not needed since the valves were much more than 20'part.

7. A final revision of 'the 10 CFR 50 Appendix R Fire Protection Report will be submitted incorporating the above information and verifying that inadvertent actuation of suppression systems installed for Appendix R purposes will not adversely affect the operation. of safety related equipment.

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