ML20151F280

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Forwards Addl Info on Tech Spec Change 87-10 Re Max Acceptable Pressure Drops Across High Efficiency Particulate Air & Charcoal Filters in Emergency Gas Treatment Sys, Auxiliary Bldg & Control Room Emergency Ventilation Sys
ML20151F280
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 07/15/1988
From: Gridley R
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8807270012
Download: ML20151F280 (37)


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TENNESSEE VALLEY AUTHORITY CH ATTANOOG A. TENNESSEE 37401 SN 157B Lookout Place JUL 151988 TVA-SQN-TS-87-10 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C.

20555 Centlemen:

In the Matter of

)

Docket Nos. 50-327 Tennessee Valley Authority

)

50-328 SEQUOYAll NUCLEAR PLANT (SQN) - ADDITIONAL INFORMATION FOR TECitNICAL SPECIFICATION (TS) CHANGE TS 87-10

Reference:

TVA letter to NRC dated April 17, 1987, "Sequoyah Nuclear Plant - Technical Specification Chango 87-10" The referenced letter submltted a proposed TS chango for SQN units 1 and 2.

The proposed change revised the maximum acceptable pressure drops across the high officiency particulate air and charcoal filters in the emcegency gas treatment system, the auxiliary building gas treatment system, and the control room emergency ventilation system.

During a June 17, 1988 telephone call with the NRC reviewer, it was requested that the engineering design calculations described in enclosuro 2 of the referenced lotter be formally submitted to NRC.

The referenced calculations are provided as an enclosure to this lotter.

Please direct questions concetming this issue to Russell R. Thompson at (615) 870 7470.

Very truly yours, TENNESSEE V I Y AUT110RITY 3

R. Gridley, Dit3ctor Nuclear Licens ng and Regulatory Affairs Enclosure cc: See page 2 8807270012 080715 PDR ADOCK 05000327 g)O P

PMI An Equal Opportunity Employer

I, 3 U.S. Nuclear Regulatory Commission JIJl_151988 cc (Enclosure):

Mr. F. R. McCoy, Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Ms. S. C. Black, Assistant Director for Projects TVA Projects Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy Tennessee 37379

s e

' U.S. Nuclear Regulatory Commission g

MJR:MJB:RRT:DHM cc (Enclosure):

Mr. F. F. McCoy, Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgla 30323 Ms. S. C. Black, Assistant Director for Projects TVA Projects Division U.S. Nuclear Regulatory Commission One Whito Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379 RIMS, MR AN 72A-C (w/o enclosures: B25 870112 846; B25 870113 806; B25 870113 816)

(Re: L44 870417 805)

M. L. Abercromble, O&PS-4, Sequoyah C. R. Ayers, LP 6N 25D-C E. S. Chelstenbury, Eli B33 C-K W. H. Hannum, BR IN 77B-C N. C. Kazanas, LP AN ASA-C (2)

J. A. Kirkebo, W12 A12 C-K J. L. McAnally, LP SS 83E-C C. R. Mulloc, BR SS 168A-C D. R. Nichols, BR SS 100A-C P. J. Polk, Rockville Licensing Office M. J. Ray, O&PS-4, Sequoyah C. L. Rogers, LP 6N 38A-C S. J. Smith, P08-2, Sequoyah D. L. Williams, W10 B85 C-K l

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t L44 880715 806 SN 157B Lookout Place

~ JUL 151988 TVA-0QN-TS-87-10 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C.

20555 Centlemen:

In the Matter of

)

Docket Nos. 50-327

'~

Tennessee Valley Authority

)

50-328 SEQUOYAH NUCLEAR PLANT (SQN) - ADDITIONAL INFORMATION FOR TECitNICAL SPECIFICATION (TS) CHANGE TS 87-10

Reference:

TVA letter to NRC dated Apell 17, 1987, "Sequoyah Nucicar Plant - Technical Specification Change 87-10" The referenced letter submitted a proposed TS change for SQN units 1 and 2.

The proposed change revised the maximum acceptable pressure drops across the high efficiency particulate air and charcoal filters in the emergency sas treatment system, the auxiliary building gas treatment system, and the control room emergency ventilation system.

During a June 17, 1988 telephone call with the NRC reviewer, it was requested that the engineering design calculations described in encionure 2 of the referenced letter be formally submitted to NRC.

The referenced calculations are provided as an enclosure to this letter.

Please direct questions concerning this issue to Russell R. Thompson at (615) 870-7470.

Very truly yours, TENNESSEE VALLEY AUTit0RITY Original Signed By R. L. Gridley R. Cridley, Director Nuclear Licensing and Regulatory Affairs Enclosure l

cc: See page 2 i*

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Enclosure B25 870112 846 B25 870113 806 B25 870113 816 9

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".. T A 10697 (ON E 6 86)

DNE CALCULATIONS TITLE PLANy/ UNIT sn fte. Prissuet-t ' 6 As -recermear sv<,.

Ex>lAosr-1%J.s SONP uasr.s / & 2.

PHEPAHING ORGANIZATION KEY NOUNS (Consult RIMS DESCRIPTORS LIST)

SQEP MEB lM3 SQN MGCN HV4C Aox; Butz..

BR ANCH/ PROJECT ICENTIFIE R S Eacn terne teese caicuistions are issued. preparers must er sure that the original (RO) HIMS accession nurnber is tilled in.

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RIMS accession number EPM ~m n otogg7 370130C0039X s23 8701i2 s4n ao APPLICABLE DESIGN COCUMENT(S) 54W Dc -V -3. 2,

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"'Y //s b List aiVpages Idded' j=y by this revision.

~.f List all pages deleted

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$@l List all pages changed by this revision.

Abetract These calculations contain an unverified assumption (s) that must be verified later.

Yes O No P NOTS; EPM-PgbIn-O!0987 SVPsRcEOEs AS-30-13 I

O u.c.onim and ii,e eai<uianons.n nims Ser iee cenier.

u,c,omm ao eesirov. O k M.crobim and e'eturn calculations to:

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REVISION LOG Title t STA1's L.

/MS$oRK : 6AS 72EArNMM7" Sys. 9/M03T' Fads DESCRIPTION OF REVISION Ap ved RO RO con Ts/Ns

/2 sNEETS EXCLND/NG T/TL E PAGE AND RE V/S/pH L 06 S//SE 7.

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4 CALCilfNr10NU SEQUOYAH NUCLEAR PIANT HEATING, VENTIIATING AND AIR CONDITIONING EPM-PRst%t O 4 8 7

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NUMBER: - A,',- 1.- i 1 o

SUBJECT:

STATIC PRI:M r un E CA L c u n A 7 /c A/ ?3 ?

GA5 TR t:AT M f r0T SY STFM FYM Au q 7 PAMS

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REVISIONS:

NO.

DATE MADE CHECKED

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FINAL APPROVAL 1

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ci5aAe/074 6444Jr; Reason for Calculations: Fan Sizing Known Data:

(source) 1.

Equipment Lavout:

TVA (L n N. P.

Dirgs, 47W 93 2 - 4 is,

2.

Flow Diagram (Air): TVA,J b,ig m A N. P.

Dwgs,'47W gdf-J 3.

Purche.se Drawings:

TVA y,~,o/1 N. P.

Ihtgs, 47A #9C -/9 General Assumntions:

(Note:

Specific Assumptions are %=be made as needed in the ca. culations, and noted as such.)

cencral

References:

(Note:

Specific references are ta he identified as need and noted on the bottom of the page.)

1.

Loscos in ducts, elbows, contractions, etc., - Carrier Handbook of Air-Conditioning System Design, Chapter 2, and ASHRAE fundamentals Chapter 24 and 25.

2.

Damper Losses - Johnson Service Company bulletin 86JC3 3.

orille Losses - Tuttic and Bailey (or 8-57 cat) 4.

Heater lossen -

5.

Filter Losses -

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Y... gend TVA 1C397 (ONE 6661 DNE CALCU.ATIONS TITLE STATIC fag 65uA6 C4LC, f0A. T}. T F675 Duc 7 PLANT / UNIT Sy'S TEH IAJ THG' AMX 6LDG $QN P/O PREPARING ORGANIZATION KEY NOUNS (Consult RIMS DESCRIPTORS LIST) S Q EP MEBlM3 SON M ECN HVAC Aux 8LDC-BRANCH / PROJECT IDENTIFe ERS Each time these calculations are issoed, preparers must ensure that the original (RO) RIMS accession number is felled in. Rey (for RIMS'use) RIMS accession number *~"#" -o'"8' 870130C0090

s 2 s-8 7 o 11 a aoe ao APPLICA8iE DESIGN DOCUMENT (S)

GQN-Dc. V-3.2 R_ SAR SECTIONISi UNIO S YS TE M(S) gg R _. P-ston 0 R1 R2 R3' Safety related? Yes 7 No O ECN No. (or endicate Not Applicable) gA Statement of Problem QQdG-6GuifL FAtc DOA/ Checked / [ _- -- N6 '0{O D, bG" T$~A hlYO~ Th'6" STATIC ~ /A Date / O s N$h9 List aVpages added j=y by this tevision. E-List all pages deleted }g; by this revision, jyl List all pages changed by this revision. Abstract These calculations contain an unverified assumption (s) that rnust be verified later. Yes O No P NOTE: EPM - N% f - Olo 487 SNPERcGDEs A6 M6

8 8 (s#A-N4L-9-DIO'l87) REVISION LOG g m e. enescuac cse. voz rw ears v ucr T6 tie t S YG TG'M lA) TH6* Aux GM i " '[o',' " DESCRIPTION OF REVISION 4,U,,o l Ro Ro conrays 7 susers Excwows / ,p. s1 Tms pass swo psvisen zes sHser. O 4 4 s# ' .n.P 'a 4 l I i l l t

... ? ;.'. '. C CALCtHNr10 flu SEQUOYAH NUCLEAR PLANT HEATING, VENTIIATING AND AIR CONDITIONING ~ E/H-4 4L 9-6/o#7 / - nub3 ER : -A C 6 L' - // 3

SUBJECT:

STATI C PR E ScvRE CA LCu L A T/O A!K

  • C H f= C ll OP

_HJ1\\ Pl? GEAIC V GAS TR f=ATM EAJ T R 4 S TEM, I t). 4 REVISIONS: NO. DATE MADE CHECKED CALC.'S ChEGED I 3-j9.')g Qp J. FINAL APPROVAL 44 1 i l

r ~. ..6 gpH. AlQL9 CICy87 HEATING, VEITIIATING AND AIR CONDITIONING C SFGUOYAH NUCLEAR PIANT COMPUTED BY CTS DATE 3/,2/74- < t AG)(ILI A RY BUILDING CHECKED BY 'O.'A'M DATE

  1. //9/~-T TYPE OF CALCUIATIONS:

<; T N T g C, PR G qqte,C C i REASON FOR CALCUIATIONS: CNFCK KNOWN. DATA: (SOURCB) 1. EQUIPMENT IAYOUT: T'.*A N. P., DWGS 474 2. FIOJ D.TAGRAM: TVA N. P., DWGS 474 3 PURCHASE DRAWING: TVA N. P., DWGS 474 =. t GENERAL ASSINPTIONS. (NOTE: SPECIFIC ASSUMPTIONS ARE TO BE MADE AS NEEDED IN THE CALC AND NOTED AS SUC9.) GENERAL

REFERENCES:

(NOTE: SPECIFIC REFERENCES ARE TO BE IDDITIFIED AS NEEDED AND NOTD THE BOTTOM OF THE PAGE) n L

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RCOOIC TvA **M97 (ONE 646) DNE CALCULATIONS G//d [/(S$6/d TITLE [dmp For? /o 7'Ae GAv/ 8lOb/C&/c'2IIO&.$ M M 8M@Xf PLANT / UNIT Ay SONP l A 2-PREPARING ORG AfdlZATION KEY NOUNS (Consult RIMS DESCRIPTORS LIST) S QEP MEB lM2 SQN MGCN HVAC m2xbc. EL.td ORANCH/ PROJECT IDENTIFIERS Eacn time these calculations are issued. preparers must ensure that the craginal(RO) RIMS accession numbe is filled in. -- B O S.3 Rev (for RIMS'use) RIMS a: cession number EPM 4EC 32 -0/0487 ~ 870130C0108 inss.87oits aig Ro APPLIC BLE DESIGN DOCUMENT (S) s -oc-V- 3,2 a-R, SAR SECTION(S) UNID SYSTEMIS) N/h ~ Revision 0 R1 R2 R3 Sa fety-related ? Yes 7 No O ECN No. (or indicate Not Applecable) g Statement of Problem h&ff.//' 71//?O Y8 $ Pr fff$$"W d fd O

  1. A

'd"dPL. m a,p er e ek nop (2 ' f9?) / 77 fk Dat e/ 16 List alldages 4dded' gj by this revision. hl List all pages deleted ag-by this revision, jyl List all pages changed by this revision. Abstract ^ These calculations contain an unverified assumption (s) that must be verified later. Yes O No F NOTS: EPM - TEC 32 - o t o 48 7 supencGDEs

c. e 33 O

l l l

  • f, m

Stefic. }%ssure Calculotion for the E>ner7ency k> REVISION LOG Cleanup Fon on 1he Gnirol 8109 (SpM-Tx3t-clo497) rene: DESCRIPTION 'OF REVISION 4,$l0,o RO RO CON Td/Ns 8 SHEETS EXCLup/Ns Ti74s PAsE 4HD REWsvoN t.os SHEE7 l S/G t c + 4 4 e O 9 e e )e p-o .m..-.

4..', ; - 'l CALCULATIONS SEQUOYAH NUCLE R PIMIT HEATING, VBITILATTNG AND AIR CONDITIONING gpp)-7:~C 32-0 1 0487 NUMBER:' _(:; t3 30 -' ~b ,)

SUBJECT:

STA TIC PA' ESSURE CAL CDl A7"lo AJ S, EMEAllEA/C Y' A lf2 CL EA A/ UP FA Al ; fo D - ~ A REVISIONS: NO. DATE P/.DE CHECKED G e FINAL APPROVAL J l

. 8/U'TEC34 - 0 1 0487

3{+ 3}

j g, y, y,,j, y MVAC - STATIC PRESSURE LOSSES O# I l Gmemmey Air Clewvp fan e o,,ph<J 1Ts hk 3-il4 es.wed bMS dae4 -2V Reason for Calculations: Fan Sizing Known Data: (source) ~ N. P. Dugs, 47W [ 88 - 3 se eoo,va 4 1. Equipment Iayout: TVA 2.' Flow Diagram (Air): TVA fe +uvy a / N. P. Dags, 47W [ ded - 4 3. Purchase Drawings: TVA $ e w a ya d . N. P. Dwgs, 47A 37/- 2 ? .. w General Assumptions: (Note: Specific Assu=ptions are to be made as needed in the calc,ulations, and noted as such.) General

References:

(Note: Specific references are to be identified as need and noted on the bottom of the page.) 1. Losses in ducts, elbows, contractions, etc., - Carrier Handbook of Air-Conditioning System Design, Chapter 2, and ASHRAE fundomontals Chapter 24 and 25.

2. - Damper Losses - Johnson Service Company bulletin 86JC3

' ~ 3. crille Losses - Tuttle and' Bailey (or 8-57 cat) 4. Heater Iosses - A/ON6" 5. Filter Losses - fee. C &P!d bM / r f W.

' 1,.... i. < v.,. n 6F/'/-f r L J d - U 1 U 'l 5 Y p. a _ _ _ _._... m e* J or_._.._lo_ W}}d - SMLCL..ELESS U2e-A.o.ssev Ae r? de e'ed,J. P. , cans % ',t o/ Emapencj 4k..cin a<,4o i _ co ~rcokz3_o.re S-//-7# c>_ee_co,0 N S oare 4-2& ~I4 5 I I l

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