ML20235Q438

Proposed Tech Specs,Revising Surveillance Requirements 4.7.1.2.a Re Auxiliary Feedwater Sys

ML20235Q438
Person / Time
Site:	Sequoyah
Issue date:	02/23/1989
From:	TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20235Q436	List: ML20235Q434 ML20235Q438
References
NUDOCS 8903020627
Download: ML20235Q438 (63)

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{{#Wiki_filter:-, 04 I i ENCLOSURE 1 PROPOSED TECHNICAL SPECIFICATION CHANGE I SEQUOYAH NUCLEAR PLANT UNITS 1 AND 2 DOCKET NOS. 50-327 AND 50-328 (TVA-SQN-TS-88-24) LIST OF AFFECTED PAGES Unit 1 3/4 7-5 B3/4 7-2 Unit 2 3/4 7-5 B3/4 7-2 $$30$$kl$$ $$00pf;~7 ' f P --_----------u-- a-_.

k t PLANT' SYSTEMS AUXILIARY FEEDWATER SYSTEM LIMITING CONDITION FOR OPERATION 9 3.7.1.2 At least three independent steam generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE with: Two motor-driven auxiliary feedwater pumps, each capable of being a. powered from separate shutdown boards, and b. One steam turbine-driven auxiliary feedwater pump capable of being powered from an OPERABLE steam supply system. APPLICABILITY: MODES 1, 2 and 3. ACTION: With one auxiliary feedwater pump inoperable, restore the required a. auxiliary feedwater pumps to OPERABLE status within 72 hours or be in at least HOT STANDY8Y within the next 6 hours and in HOT SHUTDOWN within the following 6 hours. b. With two auxiliary feedwater pumps inoperable, be in at least HOT STANDBY within 6 hours and in HOT SHUTDOWN within the following 6 hours. With three auxiliary feedwater pumps inoperable, immediately initiate c. corrective action to restore at least one auxiliary feedwater pump to OPERABLE status as soon as possible. SURVEILLANCE REQUIREMENTS 4.7.1.2 In addition to the requirements of Specification 4.0.5 each auxiliary feedwater pump shall be demonstrated OPERABLE by : a. Verifying that: R16 1. each motor-driven pump develops a differential pressure of greater than or equal to} 397 g d,o g ggculation flow. j 2. the steam-turbine driven pump develops a differential pressure of greater than or equal to +1&3 psid on recirculation flow when the secondary steam supply pressure is greater than 842 psig. The provisions of Spe ification 4.0.4 are not applicable for entry into MODE 3. 1101 IN : M50 pa/ /D-D: /500 pid SEQUOYAH - UNIT 1 3.' ~ F ~ ^meneent No.12- -Ma r d 2 5, MS2 :

gg 0-PLANT SYSTEMS BASES V = maximum number of inoperable safety valves per steam line U maximum number of inoperable safety valves per operating = steam line. 109 Power Range Neutron Flux-High Trip Setpoint for 4 loop = operation. 76 Maximum percent of RATED THERMAL POWER permissible by = P-8 Setpoint for 3 loop operation. X = Total relieving capacity of all safety valves per steam 6 line in 1bs/ hour, 4.75 x 10 lbs/ hour at 1170 psig. Y = Maximum relieving capacity of any one safety valve in 1bs/ hour, 950,000 lbs/ hour at 1170 psig. 3/4.7.1.2 AUXILIARY FEEDWATER SYSTEM The OPERABILITY of the auxiliary feedwater system ensures that the Reactor Coolant System'can be cooled down to less than 350 F from normal operating conditions in the event of a total loss of off-site power. The steam driven auxiliary feedwater pump is capable of delivering 880 gpm (total feedwater flow) and each of the electric driven auxiliary feedwater pumps are. capable of delivering 440 gpm (total feedwater flow) to the entrance of the steam generators at steam generator pressures has thar,1133, psia. At o[ //00 I/00 113 psia the open steam generator safety valve (s) are capable of r'elieving at least 11% of nominal steam flow. A total feedwater flow of 440 gpm at 0p #Dpressures_k:: th= 1134 psia is sufficient to ensure that adequate feedwater flow is av'ailable to remove decay heat and reduce the Reactor Coolant System temperature to less than 350 F where the Residual Heat Removal System may be placed into operation. The.rarwi/lsnee fen' valuu emua -Md ead pu int // pro We d lead WO pm p/n pump rect,w4hos /4w sgaimt a boa, 4emia < p<anm. o f //O fon 1 /4.7.1.3 CONDENSATE STORAGE, TANK The OPERABILITY,of the condensate storage tank with the minimum water volume ensures that sufficient water is available to maintain the RCS at HOT STANDBY conditions for 2 hours with steam discharge to the atmosphere concurrent with total loss of off-site power. The contained water volume limit includes an allowance for water not usuable because of tank discharge line location or other physical characteristics. SEQUOYAH - UNIT 1 8 3/4 7-2

s PLAf1T SYSTEMS AUXILIARY FEEDWATER SYSTEN L_IpITING CONDITIO:1 FOR OPERATIO:! 3.7.1.2 At least three independent steam renerator auxiliary feedwater pumps and associated flow patr.s Thail be OPERABLE with: Two notor-driven :.uxiliary feedwater pumps, each capable of being a. powered from separata shutdown boards, and b. One turbine-drivan Luxiliary c ?ecsatar 'ar.o capable of being powered from an OPERABLE steam supply system. APPLICABILITY: Modes 1, 2 and 3. ACTION: a. With one auxilic.ry feedwater pump inopernble, restore the required auxiliary feedwater pu.nps ;o OPE.lA3LE status within 72 hours or be in at least Il0T STAMD3Y uithin the next 6 hours and in HOT SHUTDOWN within the following 6 hours. b. With two auxiliary feedwater pumps inoperable, be in at least HOT STANDBY within 5 hours and in h0T SHUTDOWt1 within the following 6 hours. c. With three auxiliary feedwater pumps inoperable, immediately initiate corrective action to restore at least one auxiliary feedwater pump to OPERABLE status as soon as possible. SURVEILLANCE REQUIREMENTS 4.7.1.2 In addition to the requirements of Specification 4.0.5 each auxiliary feedwater pump shall be demonstrated OPERABLE by: a. Verifying that: 1. each motor-driven pump develops a differential pressure of greater than or equal to 12'hu'7 ps:d on recirculation flow. -the va kk*U bs/w 2. 'the steam-turbine driven pump develops a differential pressure of greater than or eaual to 1103 psid'on recirculation flow when R2 the secondary steam supply preOure is greater than 842 psig. TheprovisionsofSpecification(4.0.4arenotapplicablefor entry into MODE 3. //80 l ~ l U-A : Ir2V pd .2B-B:/VdY iW f SEQUOYAH - UNIT 2 3/4 7-5 ,; ;a m c ;;; Septembcr 15, '951 l i l _ __U

4 m: PLANT. SYSTEMS BASES SAFETY VALUES (Continued) 109 Power Range Neutron Flux-High Trip Setpoint for 4 loop operation = Maximum percent of RATED THERMAL POWER permissible by 76 = P-8 Setpoint for 3 loop ope. ration. X = Total relieving capacity of all safety valves per steam 6 line in lbs/ hour, 4.75 x 10 lbs/hr at 1170 psig Maximum relieving gapacity of any one safety valve in Y = lbs/ hour, 9.5 x '.0 lbs/hr at 1170 psig. 3/4.7.1.2 AUXILIARY FEEDWATER SYSTEM The OPERABILITY of the auxiliary feedwater system ensures that the Reacter Coolant System can be cooled down to less than 350 F from normal operating conditions in the event of a total loss of off-site power. The steam driven auxiliary feedwater pump is capable of delivering 880 gpm (total feedwater flow) and each of the electric driven auxiliary feedwater pumps are capable of delivering 440 gpm (total feedwater flow) to the entrance 1/00 W psia the open steam generator safety valve (s) are capable of (relieving aty/ //po of the steam generators at steam generator pressures 1000 th= 113 psia. At least 11% nominal steam flow. A total feedwater flow of 440 gpm at pressures 0/ //00 les ther 1133 psia is sufficient to ensure that adequate feedwater flow is available to remove decay heat and reduce the Reactor Coolant System temperature to less than 350 F where the Residual Heat Removal System may be placed into operation. TAe.wwedlance hd valaes enwu fif f eca A pa y w n/ f<oV A 3pm f w pwp ado 4 hn fbw +9a r'.u f a.r fa m yma h / & / east WO venare of Roo pv/a. ,3/4 7 1 3 CONDENSATE STORAGE TANK The OPERABILITY of the condensate storage tank with the minimum water volume ensures that sufficient water is available to maintain the RCS at HOT l STANDBY conditions for 2 hours with steam discharge to the atmosphere concurrent with total loss of off-site power. The contained water volume limit includes an allowance for water not usable because of tank discharge line location or other physical characteristics. 3/4.7.1.4 ACTIVITY The limitations on secondary system specific activity ensure that the resultant off-site radiation dose will be limited to a small fraction of 10 CFR Part 100 limits in the event of a steam line rupture. This dose also includes the effects of a coincident 1.0 GPM primary to secondary tube leak in the steam generator of the affected steam line. These values are consistent with the assumptions used in the accident analyses. SEQUOYAH - UNIT 2 B 3/4 7-2 l

j i i s. E ENCLOSURE 2 PROPOSED TECHNICAL SPECIFICATION CHANGE i I SEQUOYAH NUCLEAR PLANT UNIT 1 DOCKET NO. 50-327. (TVA-SQN-TS-88-24) DESCRIPTION AND JUSTIFICATION FOR REVISING SURVEILLANCE REQUIREMENT 4.7.1.2.a L _-

c. ENCLOSURE 2 Description of Change Tennessee Valley Authority proposes to modify the Sequoyah Nuclear Plant unit 1 technical specifications to revise surveillance requirement (SR) 4.7.1.2.a to add pump-specific, differential pressure test values for each auxiliary feedwater (AFW) pump. The associated bases section is revised to clarify the AFW technical specification requirements. Reason for Change By letter dated June 26, 1987, TVA provided information to NRC that detailed the need for a revision to the differential pressure test values-specified in SR 4.7.1.2.a. The revision to the motor-driven (MD) AFW pump differential pressure test values is necessary because of the replacement of MD pump discharge, pressure control valves (PCVs) with cavitating venturis. This modification increased the system resistance of the MDAFW flow paths and thus increased the differential pressure developed by the MDAFW pumps necessary to provide adequate flow to the steam generators. In this letter TVA indicated that testing would be performed during unit 2 heatup to regenerate as necessary the system resistance curves. In a September 24, 1987 letter to NRC, additional information was provided on the issue of MDAFW pump operability. This letter indicated that the element of the 2A-A MDAFW pump had been replaced to increase available margin. Because of the replacement of the pump's element, a new pump curve was required for the 2A-A MDAFW pump. This letter detailed how the new pump curve would be used in conjunction with the system resistance curves to establish the new SR differential pressure test values. A safety evaluation report (SER) dated November 2, 1987, was received from NRC that provided NRC concurrence with TVA's methodology for developing the new SR test values. The revisions to the MDAFW pump differential pressure test values are made based on calculations generated from the test data accumulated during unit 2 heatup. This is in accordance with the commitments made in the two TVA letters and recognized in the NRC SER. As the result of a revised pump curve and more conservative assumptions in calculating the necessary head to ensure adequate flow to the steam generator, a revision is being made to the differential pressure test value of the turbine-driven (TD) AFW pump. To provide clarification of the AFW technical specification requirements, a revision to the bases is being made and is included for information. Justification for Change The Nuclear Engineering (NE) calculation 2219280000 (B25 890111 500, attachment 1) determines the new AFW pump differential pressure test values. A summary of the calculation results is provided on sheet vii of 14 in the calculation package. The differential test pressures are determined by two methods. Method one is based on the calculated system resistances generated by NE calculation B25 880430 806 (provided in enclosure 2 of TS 88-02, submitted May 26, 1988), whereas method two __-._____m.

utilizes system resistance developed from plant test data. The differential pressure test values that are added to SR 4.7.1.2.a for the MDAFW pumps are those calculated by method two to avoid being overly conservative. The required head to produce 465 gallons per minute (gal / min) (440 gal / min to the steam generators and 25 gal / min recirculation flow) against a steam generator pressure of 1,100 pounds per square inch absolute (psia) is calculated on sheet 5 of attachment 1 for the MDAFW pumps. The available pump head is obtained from pump-specific head curves. The difference in the two values is the allowable degradation of the pumps, assuming uniform degradation of the pumps. The allowable values are found on sheet 9 of attachment 1. Because the pumps are tested on recirculation, a minimum head value at recirculation must be calculated. The allowable degradation value is subtracted from the available pump head at recirculation flow. The remaining value is the minimum acceptable head at recirculation flow. These results are also found on sheet 9 of attachment 1. As shown'on sheet 9 and the summary sheet, the minimum acceptable differential pressure test value of the 1A-A MDAFW pump is 3,349.1 feet (1,450 pounds per square inch differential {psid]). For the 1B-B MDAFW pump, the test value is 3,465.2 feet (1,500 psid). The same methodology was used to calculate the minimum acceptable head for the TDAFW pump. As shown on sheet 12 of attachment 1, a differential pressure test value of 2,772.6 feet (1,201 psid) ensures the TDAFW pump's ability to deliver 490 gal / min (440 gal / min to the steam generators and I 50 gal / min recirculation flow) against a steam generator pressure of l 1,100 psia. ) In summary, the proposed revision to SR 4.7.1.2.a provides specific differential pressure test values. The individual pump values merely reflect the different pump curves and different flow paths associated with the individual pumps. The values added to SR 4.7.1.2.a ensure that the pwnps will deliver at least 440 gal / min plus recirculation flow at steam generator pressures of 1,100 psia. This ensures that plant operation is bounded by the assumptions for AFW flow in the various Final Safety Analysis Report (FSAR) analyses described in FSAR section 10.4.7.2. The revision made to section 3/4.7.1.2 of the bases is made to clarify the technical specification requirements for AFW. The change is an enhancement and is included for information. i l Environmental Impact Evaluation The proposed revision involves an administrative change to a requirement with respect to the installation or use of a facility component located within the restricted area as defined in 10 CFR Part 20 and changes to the surveillance requirements. TVA has determined that the proposed change l involves no significant increase in the amounts, and no significant change in the types, of any effluents that may he released offsite and that there

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-3 i is no significant increase in individual or cumulative occupational radiation exposure. Accordingly, the proposed change meets the eligibility criteria for categorical exclusion set forth in 10 CFR 51.22(c)(9). Pursuant to 10 CFR 51.22(b), no environmental impact statement nor environmental assessment needs to be prepared in connection with the issuance of the amendment.

d . ' {.4 ' n '. 0 9 + ~ ATTACHMENT 1 TO ENCLOSURE'2 a NE CALCULATION 2219280000 (B25 890111 500) i t r t' a l l i il 1

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W"" "***d" DNE CALCULATIONS 5 p.w,,g g TITLE M/N/ MUM h'EAD REOt/AED fc8 7WG TUR&'ME-DRIV 6\\) AND PL^NT!untT MOTbR-L'Nlt/6 AartiI4RY TEEOk)A7ER(AFxD RIMPS SGNP/WnT3 l'C 2. PREP /. RING ORGANIZATION KEY NOUNS (Consult RIMS DESCRIPTORS LIST) HE-- LlFO RJMPS, McAD. l(. ~ fffbbJATEA BRANCH / PROJECT lDENTIFIERS Each time these calculations are issued, preparers must ensure that the original (RO) RIMS accession number is filled in. 3219280000 Rev (for RIMS' use) RIMS accession number 83of a3 E0674 AE8 'R30 6.17 30 l APPLICADLE DESIGN DOCUMENT (S) af n es,u e m,y,n B2'5 8 mi11 x n 0-sun-oc -v-13 1 6 a7 SAR SECTION(S) UNID SYSTEM (S) /o.4. 7..:L 03 8 Revision 0 RJ'(p Ftf ; R78 Safety-related? Yes $ No O ECN No. (or indicate Not Applicable) Ms-if*87 M l fl*N W IMI-S g gg. gp gA Statement of Problem Prepared 76ctl. $$4C. REGil/J/RES TkAT TH6-8 3J.sdARRE^\\ r Mo70K AND mR&AIG DRivEnl AUL FW RoonPs Checked BE p!'RIODICALLY TESTED Tb DETERMindE ,1, iT.kh ADERHotoT w r $5 IN5" $500 OEY5LOPEO Of INY N5? Reviewed \\ 3.d.WARRGN IS ADEGUATE 70 MRFcRM ITS ^P['*Qd Q SAFETY FadcTrod. DETERwas Date &* S-8 B Y* TN00 flIAl/ Mil &$ OYVELOW ffE$}D pop raE Moroa-onwsJ MO List all pages added 7, 8, la, G jj by this revision. /j/,, ;4a., M3/4G-. DRNG) AFkl 8/MPs. i., j List all pages deleted 7, 8, 12 } 7, ; by this revision. $@l List all pages changed Vi,VII;3,6 5 f by this revision. 47, M,79 Abstract N These calculations contain an unverified assumption (s) that must be verified later. Yes O No @ A cAtcatnitod 2As RiertRMD To MrFRMiaE Tee Midtaud tornt Devrufw McAD(TO THar7XE Mb1tR-DRWEN A& TURBING-DR10Gd AF+J PUMPS My9r De</sufAT REcaaLATicAl (Tush cont 0 mods TD AssdeE THkT THG RtMPs idttt W4fuP' ADEDR&TE TDH AT Ms'idd FL0k) CoNDmon/S. 7HG grsatZs OF TNG CALCut.ATOAlS lKjfG ; MIA1/ MUM TD& Rh - /A-A : s A so Psid MOT @-Osyd Aiq) fugPs --Ie-6 : Isoo esiel .2.A -A : Isa4 estd s 2 P.r6 : 1A 64 esid 7Metat-octicd AFU fdMPs -/A-S :. /3 p S .S.' isso psid

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ti QA Record TV,A 106M i '86 71p DNE CALCULATIONS TITLE (Tbmmm WEAo REcumED FOR THE TuRBtNE - D ROIEN PLANT / UNIT AHb m oven -n givtw Auxituny I E Et w nT ra ( AFW) 9uw95 SEcuov## dN/r5 / [o? PREPARING ORGANIZATION KEY NOUNS (Consult RIMS DESCRIPTORS LIST) DNE - MEB Pu m s, u m FEE DW AT ER BRANCH / PROJECT IDENTIFIERS Each time these calculations are issued, preparers must ensure that the original (RO) RIMS accession g j9 g number is filled in. Rev (for RIMS use) RIMS accession number R0 B30(oO3E00 t4 MEB ' B3 0 5 a'"4 30l I ^"C^*f, ,," c""'"" R2 871229F 0009 WBss an222 8oo '*" - "' ? " ' ' RSB80506B0002(@ B25 88o43o s07 "^ " l" " "";,7'" R58 81019C 0 0 25'gh B 25 880923 801 Revision 0 ,Srr(5 Rh?, R1M R3 5 "Saf ety4 elated ? Yes @ No O L N ECN No. (or indicate Not Applicabie(ytD trit $ ket kgf Statement of Problem j g g g qTEcH. SPEC. REGutRES TitAr THE N070R AND TuR8INE DRIVEN Aux. FW Pumps BE WARR EN q p. p \\ Checked V V C ftRIODatALLY TESTED 70 DETERm/NE 15 THE

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~ ' Reviewed \\ 'Y t -DEYERm/NE TN!.s I11tWimuun DEVELOPED HEAD \\ To PERFORM IT5 6AFETY FUNCTION. J. U). \\dARR EN m L 80V D l p y s 5-85-S3 2.\\^De 1 300p$$ 0 E0 List all pages added 3, 4, 4, %, 1,6 jq by this revision. Ee - Sh, Di f List all pages deleted a 3,3q-$e, -% Fr.- 54, 3 pgg by this revision. 4 6, 3, S List all pages changed i, ), )q, 5,6 'A-5, f ct,11, i,2,,7-9jzq by this revision. 11 Abstract These calculations contain an unverified assumption (s) that must be verified later. Yes O No @ A (ALCULATION suAf PER FORMED To OETER MINE THE VYINimum To rA L DEVELOPED NEA D THA T THE /Nor0R - ORtVEN AHO TURBINE - DRIVEN AFW pumps 1710 $ T DE VELOP RT REcIRc uLA T/CN (TEfr) CONbtTl0N5 T6 kSSuRE tHAT THE iuMP$ W I Lt. DEVELOP AtEQuATE TbH At D Est c,N Flow C.oNo tTio n s. Tat Res ut.Ts or Tat cat.tuL4 rtews utse t mismum TDR ' g Mo7og - DRIVEN AYW VuuPs - IA-A

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,s Ed[0 k l4 NEP-3.1 Page 1 of 1 ~~ cal.CULATION DESIGN VERIFICATION (INDEPENDENT REVIEW) FORM .21l4.180000 R$ Calculation No. Revision Method of design verification (independent review) used (check method used): 1. Dasign Review 2. Alternate Calculation 3. Qualification Test t/ Justification (explain below): ^ Method 1: In the design review method, justify the technical adequacy of the calculation and explain how the adequacy was verified (calculation is similar to another, based on accepted handbook methods, appropriate sensitivity studies included for confidence, etc.). Method 2: In the alternate calculation method, identify the pages where the alternate calculation has been included in the calculation package and explain why this method is adequate. Method 3: In the qualification test method, identify the QA documented source (s) where testing adequately demonstrates the adequacy of this calculation and explain. - VEL D11/6// APM6ACH JflD IN 7H/3 cAcc ut4r/ ors is 7tcHycuc,y' ADt QUATE BECAUM tr-use3 -rNK J4ir14 AP/ roach 41 /kttita ar /2Eb lJfo/VJ~ AA/O / 3, >Al fA'LT, BA160 64/,4ccLPTED //4N086JK i /)?E THo o J. fJfl7MBA, 1NL 49/2.M cit c<> r7M d.L.s, pac 7 70 i t174 Mfavf~ /M4dcuit ActL.S /3 C o A/JfAJAriV4 A Ya olllllt1 / ' De' sign Veriflei Date (IndependentReview[/) r ~

o*fo*te*:,Y 22ta.zsocco w or n- *- ~ ' C$L~_ %& Reyi re d r < whine D<ian REVISION LOG 1 o mc? And Moto r Driven A ux Feecl watt < Pu n es Revision no. DESCRIPTION OF REVISION App ved } Tks re v;s on in co rpo rdes N

n c re t se in i

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~% v<<ea ud sy s de ~ m a pe,k w <.e re k es alloa., dole-f-p d.e g r a A a. h n %J d as O- 'en t re s Ah ( #- b8 d '" ^ $ w,, n ; + o,. m uc4 f

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en UMi .2, , Nbh C J$ e5 g v equi re d flow he v e.d u ckian 'm a 4, > an-4 pwp hem

1. o gpm

+c Ar g z.- e< a +ce s To 40ogpts,. Aa s <aiy y, .S4ea l u accepbo e pu my head i.s deflvume-cl l vn m. i n d k v'o du l p a rnp basic fo or en ct ceaa nt for 4k d5rd te J ct,,. e4 2 Nded refeiteeed -f6 -flu.Niai,, S w. % d Afle Drstp 6t % &pbu,ej h A M,es,cco l> c /ww. t4t.e DC) cusd h dN aod " N'S '*I'- &,3 j e y,'se'sa 4m-p/<le.c,barl0[lh C'Yre cA*'U* g/tos, for f. rte MEs e, e c,, 8 SO A O" .2 1) # TD At& A4 c c 3. TV A 105 34 (EN DE5 4 78)

[ y y gIee 89 2.2 19 2 2 O 0 C C ] ktIhlMC444 HEA D RfeQ uitl56 Faa. Turen /Ng REVISION LOG rma:Dt2tVGdh MoroG bt2iki Aug.fECDtJA76R PuHFW DESCRIPTION OF REVISION o$,o 3 /2 5 y it S D CA L ca L-A -rio d Pe4 De vcec Miaia G THe rajatlsw M t*J / "1u M ro rd t-. D y MA M ic. Hf.U C7 TH C 7L4it 8 I J G D (2 os/ G s) A u / / t / A tt Y FE0"C WA TM PuM t* Irl C5 0 no ds d.,2.a. C <>of C. 2., b. kLSO REVISED CALCML ATION FOR DETCR rnt NING THE /AINltnw roTAL Dyypyntc HEAD 0F THE MOTOR DRIVEN AU Xill AR1 FEEOlUATER fumPC IN SEC TIONS C l*

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IN C O R PO R ATED FIELD Pun 1P DATM FOR GA-8 AND 9 8 - 8, AND REVIS ED C ALC UL A TION.S To RE FL E C1" NE W PMP CURVES GENERATED FROM DA TA. ADDED RE ERENCE' o f-TVA inECHMNICML DESIGN $7ANDARD. INCORPORA TED TEST ZNSTRUMENT ERRbR,IINACCURACy FOR THE dior0R - ORJVEN kyy FEE O v.l ATER fuMPS, ALSO To A ccou AIT f0R 7tfE f?PPENDIXES : APPENDl% A ~ d $'HEETS, f?PENDIX B ~ 3 SNEETS, APPENDit C - 8 SWEETS, 940 APPENDIK D~ l$HEET. 4 seco<goraea ;,uy ht,

t = A - s (TeArvie) ani re / c d cac. +o viv/ss re & ct

u arda ^rm Ab. Inerew d d ne tc

,en 7, u, e.ir..e w&au co.m b u t. vdu e s hr AFW syds#. 'Ca\\15 e) rxtd dgnsmum regu$ red hud(53 for ike AFW p wy s. M s d Tp AFwe (c.al secb f c c4ew\\a& I 3 d d m u m W A < g uirel. AddeA, Adad,.4 ebqed re b eneg3, AAded " Purg seeMon ad cde.Wred obr set E ns. houmbre 4 jays 4 cdc. ed aald Argendias E,F,+ G.

vi oc 4+ 14 '*$89 c Attu t ATion n 31\\9 u 000o SGN REVISION LOG " t/NimMM EfQUIRED YEAD FCR $1070R -DRIVEN ann TI,4RBINE DRIVEN fi Tine : Auxluanv FEEDWATER Pump 5 ?[, " - DESCRIPTION OF REVISION Ap ved 8 5 .Totoryorated y urnp dalg for \\A-A and \\B-B tAoior-Driven APW Pumps anj yey; sed ca\\cw\\ Lions to reMeet new 3 puvoy tutNes generalth Scova ht\\d hesh daba. Updaled ttferteet rt$1 s'io n levt) gni egv(sel unit, a MDAFWPs Tesh*mg losbrment Error s. Pavised cdedofim to include VG pressam hs&umont inaccuracies $c all Moroe-oerved AutuNey rccDa>ATEK fttNfs 40 ro pub TiSg instranel. Error (T'E) -for Tupaine-Desvc4 naxattnq Fe=DaMrf fuMP 3A -S. e 0 e TVA 10534 (EN DE5 4 78) ' ~ '*** ~' ' ~*~*~~ ^ ....w...,.~..

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CA!.CUI.AI1ON ID 221929000 Sheetdi_ofJ._1 PreparedbgDate%o/g9 SON - AFV Systen PROJECT SEQUOYAH NUCLEAR PLANT Checked by Date //d/f/ SUBJECT Minisus Head fecuired for Motor-Driven and l._.} Turbine-Driven Auxiliary Feedvater Pusta . u,._ SUMMART OF RESULTS Equation used to find minisus Minisus acceptable Pusp head at Pump head Required TDH Allowance at 465 gpa - at 465 gpa for Testing acceptable head at recire.

head at recire.

= recire, flov + flow for surveillance test flow for the Motor-(fres pump Instrument on Motor-Driven AFV Pusps Driven AFV Pusps curves) Error (TIE) i MOTOR-DRIVER AUIILIART FEEDVATER PUMPS Pusp No. 1A-A 1B-B 2A-A 28-B Serial:lo. 117168 117169 117171 117170 Head at 465 gpa per pump curve (ref. 10) 2930.1 ft. 2844.1 ft. 3029.4 ft. 2883.8 ft. Required head at 465 gpa (see sheet 5) - 2678.7 ft. - 2691.6 ft. - 2686.1 ft. - 2681.6 ft. ~~ Allevable degradation 251.4 ft. 152.5 ft. 343.3 ft. 202.2 ft. Available head at recire, flow (25 gps) per pump curve (ref. 10) 3526.9 ft. 3539.3 ft. 3783.1 ft. 3508.1 ft. linicus pump head at recire, flow 3275.5 ft. 3386.8 ft. 3439.8 ft. 3305.9 ft. Pfo 74.9 ft. 80.6 ft. 73.6 ft. + 78.4 ft. Allowance for TIE (see sheets 7,8) + + + Minisus acceptable pump head at recire. 3349.1 ft. 3465.2 ft. 3520.4 ft. 3380.8 ft. - or - or or or or Minisus acceptable pusp head for SI 1450 psid 1500 psid 1524 psid 1464 psid Equation used to find sinimus Minisus acceptable Pump head at Allowance for Testing {

head at recire.

recire. flow - Pump Head - Required TDH acceptable head at recire. + flow for surveillance test flow for the Turbine-(fres pump at 490 gps at 490 gpa Instrument ) on Turbine Driven AFV Pusps Driven AFW Pumps curves) Error (TIE) l TURBINE-Dt!VEN AUXI!!AlY FEEDWATER PUNPS Pusp No. lA-S 2A-S Serial No. 127182 127183 H:ad at 490 gpa per pump curve (ref 3 & 10) 2800.0 ft. 2766.1 ft. pf Required head at 490 gpa (see sheet 13) - 2600.6 ft. - 2600.6 ft. A11ovable degradation 199.4 ft. 165.5 ft. gf Available head at recire flev (50 gps) per pump curve (ref. 3 & 10) 2972.0 ft. 2854.8 ft. dinisus pump head at recirc. flov 2772.6 ft. 2689.3 ft. + N/A + 36.2 ft. Allevance for TIE (see sheet 12) Minisus acceptable pump head at recire. 2772.6 ft. 2725.5 ft. - or - or or ~. ~~w mw y mm

l' n l~ [ si. IIh tLifn'ttA..di.AD. EEGulEb._EE,_v.ME., _"I')?E!i.F -3 9.UI.bL _ W* \\ _ ?#._ f$ A ' ~ AMD. fA1nL.:. DRt!5.tL AEY/ ?.2a ts. .E 'a E 2 M ^ '3 couputto @d DATE_4f2*7!R4 ' ~ ~ ~ h __out hNAS I. cutento V A') ?u nosu 0W' dskEf M MtS kbt \\W MVM T&p f t hta ka kt kE , yump$ mwsl Atve.\\oy b assure. Ebl We pmys can me d b e.\\r 'mid mw m 4\\ou) hsign csguirsment. m miamum ktsA %'t b adermksA in W\\s calcat A on is usd b Te64c=\\ syeidicab Rgui<tmeAs w. % \\.a for the AF W p mys. l -= e Am = ~ w St I B) A 55 UmPTbHS \\ shd I. bd'/ of ca\\cuiE.5ew, r

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3) ? ump Test Curst Da't.

(5se A?W Vump Ca\\c. Book) Cont rach % C "5 0 - % 6\\b N AM- \\0 Pum9 Test Curves lA-A Sor tho%c - is-S ^ ~ Driv en Pumps aA-A s te. et9trtect '\\0 ~~ BB-B ste, N9e rtect l0 Puey Test twese.s for _ 3 - 530 br pump * \\"a3 \\ n ( \\ A - 5') Turbe. - Drivec ? umps AA-5 s t.e. et$e.rtact 10 -T 4') Einghavn Wi\\Non t.G e. lest of \\ Venturi (NEB B3 \\0\\~4 6'39 ).

5) SQN AFW F)owrat e.s Duric3 N\\st.B ta\\c. ca.

SQ N - CA - D053 0 - SC.4 - L C. S - 0 3 t a 8 5 ( b49 8 5 0(o 0 fo Wo) f.) tesief crRtria for We % iw $1 tarw Systtu son - Dc - V - Lt.).i RO

3) Desi w trReria 9er Eke AFW System son-te-Y - \\33.% Ro ( tims 1 a,3 3

B) Pos't WlWica' tion Test (? TAT) - 53 for Els \\+ a AYW CavibLg Ne.nbri ( s.s App sob G') %') DEL.e TED Pa9 2eV 4 N Atta\\ sis of AFW Pwer %A Test Dah C_ dew \\aUow n. squ - css - ca\\ t o') 1 I Be.v. a ( B35 88 092/ B26) 5 s i u)1.ettte from H.L. Les la R.E. Danids datd ta/8/81 (Ba581\\a0%0%) e 1 E l ta) wrk mn (we') ta s%5 for aA-A motor - oriye AFw Pump Cad hen 3 ) ye.n h /, ( see A'rvs*& F) 4 e_ _ r -

'] _Tf:.'.tu te. Aft NEAD. EEWiRED_ 5.0? T u g_,_T)yme- - tu W E4 s-sti 3 Or__[ Q 1su-It r a.- J a w u l-E.'tL. hem aa n a wn / / /o 09 .3ft.COMRJ Tra) ig7p eoreputEO C' _ 0 ATE N f *er984 Wo cHscvs0 W t>Te-WIWQ9 can _VBol88 cuecuro ( .. ~ O \\3) N ham - WIO aywthe. (Rocky %oud.ain bdtar C.ay'slal$w3 Vtwhri Tesh 3 caAlal(o3 Venbri (s/N oi) - Polo 3B-3) test o$ aA -A ndAFWP 0odrac.h No. %5? - U's - 45 30 44 ( set AppewdIx D) l I \\9) TVA W.c.b hca\\ V'sylw3 browings : D rawie$ No. R e.v. _ %\\\\ De.sen*pl.s'o, Fe.e.AumhrTi(\\og M 4W40\\,-4 D o CondeMd.e. Tip'sc3 %3W430 - to E O 49W937 - I f._ \\ + 'A AFW Pipic3 41W4a3 't I/I i/ a AFw 9'qin3 - AniGry %.dunist System - A$eederi 4

15) F5AR Se.c.G n to.%.7. 3 19 azR sePsad 88858 Ro CRiMse 815 eBla.I6 col )

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17) OIR. Ese set \\) 893S3 RI (RtMsti 3 789 o Ito 004 )

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3L T.UJC-L:. _.,y,U N u r _,'(,,,,,,,; J M " _en fA m.-2utut_AE3/ u.e n su m l coMPUT(0 DATC 4 !"ol 3 f R A cwtexto

1. oart 8.h#h'

() 9 ') L Ate _ut AT \\ o s s 4 meTon - DRIVEN AFW 9uvers (MbAFWP)

g. -

..y', 411% ~ ne tavihdog venbr* s inshhd' And N. Sttaw Generabr(sG) pressure c.t ' \\oB5 ysig (re.4. 6 + ~4) Wnd he, regui<td yu.vnp Tob\\ 'I, Deve\\oped had (TDH r) a t he.' re.guivtd b) e4 % 5 gg en (440 pm as 37m cu.irc. flow') ( etf. 7) by 1.wo makeAs : J to ne. sGs + il Caicubh. St. TDNr by us(o3 ut SG yft.ssure 3 shahic htah,- ca\\cu\\ad system resistance Cre.V. \\') 3. ad he cavib' ting v(nluris h? ' s. \\A s e. PfAT - 53 (ref.B) and mowu9a cht 9. \\ah Yesh vab es. ( ref. % + \\s') 6r vta b ri 6V ksses, ii') 'Ist he acha\\ 7k\\d unsured sy s hvo re.sishwce values 9 ton \\ v TAT - 5 3 ( <d. s') rel 't/? i a \\ % (ve f. ta'). thd.'ned I - NA (qu\\f eh TDR >$mn cdt'dahd systm resisbece al a ?AD A FW P $ \\c,w of 965 3pm, hqylted TDH (Tour) = 5$ ro:.'n v + Ebhic. %.24 + Ca\\cubb\\ S y ste.co O h sis t.a'eco. (5 % e') + Cavibl$ng Nev.lu$ h? (rt'N (3heet \\\\) W, t') E\\. T4a. 39 ' ~f 0 5. 5 ' ) ' SG Ptewere + Gai?c 'ded * $Re = K = + 3 33 t 4 K + Sv33Eo N et,b d M K= 3 5 %.%% %, Tra r w Nou3 ad d 4.'r e, v t.tiw AD ': t 1 : d c olon l'r. Or u o.'n it b A Y'Il ?. i Loo p tA-A \\B-B 3A-A .ab-B Y e.nh,'s 69's i '10 psid 1B es'sd %B psid 55 piid (re.V. 9') tmi-53(te.i.8') Appnd(x b ?m't - 5 3 (ca.f. 6) Nde : Sc 'R Long (ttsl te3r.) Ada arsd <t4. 5, (,et.y. \\3) < th s E

• a conSimea mt veauri s/n s a

.wa tw, - Ane.aix s 3 m n$tr } W sC W4$ ts t ( g', venA.< 3 is $nshh4 in \\=p I A-A. 48 = 5 5.a ; i .Og +g. ~ 1, e

.c ) a, g qg _.tAtdeum_. MEAD. EEQ\\nREb FO R M 'I"uR MM F - DRWEN 'AMh IAovon - baivEN AFW Pumes p919 2R300o I Y ^ . coeurtoff8 one Alaslss eneno _b om 9/3o48 (/ l Loo) Wie. hod \\ Rec.uk JA-A_ iB-B_ 3A-d SB-b 95 K = 2 5%.4% R venbr's 'msh hd p + (based on b.s'te.d + 433 venbrl \\osses ( 433 +1_ .433 43 w ca\\cv\\ebel losses for a'4 Sci.\\ it eT4Tf.6 fb a108 3 fh 2 + a4.5Q Ike. test d sys tem ) ' ' S'n (490 oym to SG + E5 pm hecirI.) m'ts: Adua\\ by F\\ow : 465 3ym 3 - * >:j.! ' (;L (et4.\\n) tAshol 3 - Find TD%e using syshu resistance from itAT - 5 3 (ed. d) anel WP \\at'\\5 3pm ( 440 ;yu b SG + 2 5 gym re.Erc..) d2 puup 9\\ow =%5 Regulfel TDH ( TD%c) = SG Vressure. + Sh=Mc Med + Wasurel.Sy5em veslstowce (,5% ("4

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{ s' rest \\G \\03E TDRr* o.a33 + ( E\\. '44 2. 34 ' - 706.5 ' ) + S R,,, 3 5 %. 6 f b +- SRm 1-5%: (w/ tev '3 \\\\ op,o )- prestart - 52.ouc Heal f rom ym7 om h* Pamt lisc6r e. gressure ~ SG disebtge to SG inleh g y.,y 4 d, (343.34' '(o99.0B ) 3 0. D 'a Lone [5'aeet 11 $ Tbw [.2ao } a - e lia8-1005 R= IA-A TD Hr = 0542.b M + - 50 M 0 433,,, (s ,7 ) Q /, 3 3, 3 p, b [(lt hs - 1005 ~ 2 1 qqo b= \\B - B TVHr : 3 5M D.b M + o.433 ngla 2 o '\\ \\. 6 $ b. ,:5 - 50.a6j( ago } R f 4 r / tt)2.y - age o) 4g = g g 34, g gg 2A-A TDHr = a 5MB A 9h + J o,4 33 / }(~ - 50.46}j /g jgqo j a ' l'.1i - \\ ooa Ah R= RB-B TbBr= a 599 (o f b. + o.w 33 ( ,) (, g g, g p g 3 8 g 3 x.d - \\g.$ P -53 A S,.e, p.gg y,.g - g { n of vly g g h S ee. yagt 8 a s,.1 3e. x -a - aa o+ eg,s2 a a.se, ya3 x. - si., vrax - s 3 l ) 1--. Gd $)

t s~tti 6 or. 14 0. MImm2 n 4ta REcutare e m - 4E Tunmv - bnWEH AMB Nm - DRWEN AFW Puu,s n tq ncoco N casAirnNInATK 'N8N 9 comporto part 4129)BB . E cusc1ed W # DArs l//D/R9 - curenco _ k I WWAS oate U q The SG gressart ustd in dt h e mining & S % for BA-A and BB-B Meter - Driv e.n AFW Pumps was At. rived from hkin$ % astragt of h gyproprigh. SGi gressure bst bdort shr&3 & gwp and just dier shypin3 ut pump. makel a u,i\\\\ be used in Jehemining et,Awi.auva regu'rea head for us mobr -d riven AFW pumps for ht fo1\\ouaing etasows :

w..c c. J:..

s

1) Tkt values used in Meru;ning 1.ke TtHe art. bastA en actud Ut\\A [gia hst dah wWk

t. rue \\y repre sents us system re.dshace. Tor: tack f

particu\\ or ywy. O There. is sone. cone.tvdism f adel ide Jehrmin in3 & $'inimm reguirel 6 24 snA (6 is as foba g 3 TesGng Insbumed Geror LTIEGh;ek accounk Se instrumerrl. huc is being akled to de minimum gird kJ for edro Acswuce dal 01e ininimum l1eacl calculafed is conservalNe. m % a a noes not secount for %. 26.26 fr#nn \\ost /AP for ne meAvwe suchten p ping be c oa s e. it s va\\ ut u, reg \\iajkIt. wb comyared to % i + conser vdism ikd is foched inb h vAnimm regard head va\\ue. Tnt a!fference bdween h su d;on ere.ssure. rnessurel an1 ach,\\' geal q,o, esT be\\ of a8. 5 E't (reA. n) is o.oS ysi for a'ow rdt J %5 ST *^ - g e2 E R S . T

StalWIM19 arc 6t/tREDMviv 32rMS - CPtvenl /WD 2-tn, 7 IAa. c. aou-caus_seeauns .nswoaoo %S Secr7hort) r3Y RG ) cmrupef em tao /a_9__ enena W em t/ tt /8c) y g

d. I. b -- %Einq Instrumeel 'Errsr (TIE) fr -the mat:r-driven pwnps is calcuTded usig ref' IT.

The T1E used in Ois calc. is +]e sumn1Af.km of ()e c4% generabr preksare instruneal error af the sys% restsluce curve ed de $ law instrumenf. errors of {le (f MS gym. wrp curve nd Ede sysk resistones curve al s. pmp floa c' & ash'aof465gpmthe dak in ref s7,folloas : instrant ecrors were determined al a. p?mp as Pau9 cuevG S 6rt-4 e w sy w ce-carvs floa indrusel Hwd@ 4(5 gym' Heob@ A6Sgpn Papired flesl Reffredfleal i error pr puwp curva per game curve @4fsgre @ MSgfm WG pressure _. JU/o $ loa error, $/ hioa etror, ?!/[lowotror, .W/o Saaerrn pc WWSTcAss /Iccamef pp- ' instrumenl. Nt% Ta S/G Loopp (ref IC ) error note ; FloaarrerUS+dist ref.17. togpm Tle pump car e is 6eneraled using parp Hw, fuep sucGonpremre aod v pupp disclarge prtzure auf.to ) - 7h s % re. sis k c-e curve ns gwrded paing pump Rowi pump dis y fressure, and % prewre. HAer de(erminig arter hands arowd dese carves, -de errors of all associa{ed instrumer,Micrn used to persh de carve must be con::Jord. Nhon 4deig do di(-fewnee. %>ra de % cutve.s, do pwp ahch,y pressur< co cels odt because do test kla & hsd had carve and sysle-resiskee curve are fro ~ tie n.une ins %ed. resdings to de car,,e tes-L ud rnovas in lla came direcchrn on bd4 earves fr c~ given. error (ref.17). Tje.orvr usocia{cd aid de pw.y idel. preswre is inssyn:Acof' Crf.to ). i E l ~ L E_ )

4 48 e 4 , i[-

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o 4 ManR=CRivEtJ Afd 12alf1-- J > 193 Locco snLsucaunOJf R6 coeunoM cut /^ * /89 ~ ~ cuecuto fk-_ccr //))$ g 's-l 5o f v. h b 6 [ bd L 6 y ~ >$3 ' s R ~H m G M & p a i' m 2 M sk j&oknI hk yM bt b$ 'k4k s u mi a ab ng n.g n ;p p ND 2 k U e-

3. [,2 m a R

da= .a 96 p-a r u~ se s n= e rA a ~ peg ko +3 d4 %v $w n 4 21 E tg 3 v* 2 _a .ad-A i )iadM gg 3 :(8 34 9.P. [ s v,g = se m s ~g w~$, g S A w e + 2 '~. s* h QR g m m 'm 7 a 3 + -e = s ma -o T ? k* g,o s e m xts p 9 'e f % s S N u Ct m % 1 %> n u u L u x D( D ^ i +m e - t; e. s m. u, m.3 e 1 + w ou .t. eg y O OT A g D%mk D'l 9 -3 2 -A 6 deb %d 3 'l T' b gu ?" i x *P w3 'd a s k ~ e% 2 g E Q D c =m dM$ 6 @P b 9' S@g O I t, h p m te mP T T q~ Q~ 6% n 4 4 7 m -6 q 6 5 N N t a t a e n t 'gw or e 1 g"e a.d ib "'f. a -h? i: 2 ~ s. ~ %a- %1% 0 " g-V o n R A a g 4 v s hah). [ U h S R g o g@ sir' s% b [h k Y 3 T IS,S'ip b y. a w a. R. h co yd 4 A bk % '?. v a 9 T i = %m

\\ SatEr 9 _0F N1 '._ttunucm 3po_3.u'ntsn_ nt..at Tusu.st - tuva_.mm . _&qnit - D ct W = '4 AE'll 9 2efn A7.tR M M M R6 /}r#

1. A o/89 Rn jee_ alaajas_. coeurcojf6 oarc 'ilable__

h ///// 69 h 9h0/S6 escento ___h oave Wid8 k.\\.c g - - \\) V V M S i n'ce. vne.%od a (siet.t 5 ') 3 e\\d s We. ac.b\\ sysb redsbce. yst i AFW pump 3 Ekt. s\\\\ow abic. pwvap chegradation will be. basel en etlhed. ~A. Os$n3 lhe same, leched ut o,s %0 of ems es\\c. 3 the rM$vwuvo acce.7h M e. h ad g ,whe.n ' test.in3 a.'l re. circ. T\\ow is ven by : min. accephoW be head e, [Puu head @ A%w w.e ior N kead a1 recs're' = ' ' # ' U ** W MO/- f rump flmJ.(-l + TesUng (bo se.A o n 2.n s gru.e ct k(basedon U'W pump curves ) tuuy curves) 465 8F" E'#"# AFW Motor - trive.n Pawys fGA vnum AccegAd\\e head g, Re: ire. (2 'A5 3pm) ~~~ Puvag .\\A - A LE-B aA-A ag-B -' Mt.oh a %4 5,yu f 8 a930 i fi aByy,j Q a g3.% R ggc,3 Q pet puny curve, Rewird bd c. %E ~ gy4 (fra sheet 5 ) %7 3.3 f t a 69 i.. Io 91 ~ a 686.1 R % St.6 H .l. , l aep +; ion ast.4 n tsa.5 M su.s a aoa..a 41-Ano-ob\\o. a h-[ bd G. Etcirc flow ~ g per pup curve 3 5 %. 3 V't 3539.3 a 3m. \\ R 35 03.1 R fain. Accey'tabIt hal 3A 5. 5 ,t 3386.B d, 3439.B R 3305.9 9 G. At:ite. f\\ou (w/o TIL) Abnsect for Tes&@ 1< s; ro.. A terer (4<,- WR R B0. 6 R M9M sea s 9 + s') 3397./ R. 346s.1 % 3530 4 ft. 33 80.8 h tA;n. Auegbble Mesd er Or or or ult \\L t.%ttive Dow I4 6 0 rsib 1660 VS'k f 5.34 pud /4 M PsU Msaw h\\\\owoh\\t. wy huon, % 5.0 % a.i 69% 3.6 % ? 62 [bnp Re.eirc. b A (\\\\,.) - 6. A ec ephW. bl a Recirc. E Degro A Moa % = l 'w/ TtE ] oivide.d by Mr x \\oo*/o L

m .m r* a .e / l// m . a ~ .l . i t I a, =. u n0 n% s c .t S. ., w ' = i Y. 3 5 I . aa A - a a 1 rt M ~ - A A T A b r M '5 E 9 T l S 2 l S' 1 P r W~ A w M - A A. u i1'

s. L5 l L

2 e T P E A M S P S TE . u 2 f-P C E R r .I Qs M ' N F C N W i AN H U A A E Y T o U N t W A E I a A t M 9 S 'b T s o o P r o M .o D r.- n o e o y 4 Nk.. <hZ g%a.OaW>wp J i

MoU1MuH H E A_D flFQ utgED Fon. rug di4 5 s-te, _U __.y }4 L AUD M o roA _ Die t v'Ed Ai.ty tt./A n y PetD-WA 75rt_fy?1P: au 3.ee glacina cow urco 4 8 6 oirr /0-/7-O M M99 c ccu o J D W oin _lo-17-67 / b o) cac.uumes 4CS6/ME fo770sj of TH C 74 r/ R :: TH16 41l Al/ P1&f!! Is.)4'737C. t E45 t,. JD 4 D 6 rC d 4 /<,Jt4/4 rue w r u wo srem 4 EL. 7</2 - # //6." 0 P^/. c-onlo En t 4 76 s 70/246 6 D'S' N 7~4dk ( CS T) ^ A \\ / i h.. (f t.i. Ih) } Bo r rom or W Id M b' IN'8[ EL, 6%' t " mbAFwP EL. b*i t' 3h" TD AFWP f p A P W PUMP Sjf = c t.cu'A7/0 $ (P O IM 7 0P C 0 ^! ^l G. C Ti o n) 47 76c 2G) D H t a u.? M ir// M u kt tJe rsa 6.c i/5 t [C 0 40 5 4 5 4 75 h' 4 70t A G 5 7Mak) tn = (7 </ 2.' - d '/jh - 7 0 s. S S c. g el ' e l l 6 ..' s E O 8 ~QT*______-__-__--____--_.

NINIMLULRS6utRED H9tD EcR_rtie._ruRptm-ORivcitl AND s-us I 3-or /40 NIOTOR.= DRlW) PutIPL. -.1=. L9.3 2000(). - -. StS 5xter Apog,} BY R6_ _ y ccourso Gct) cut /*!* ~89 euecao _)y' _we I/t1/99 M Rc ; k.). '1~uRBIAS-DRIV 9J AUXlliARf FEEDWATER. PuNPS (TDAFkiP) d.a ASSUMPTids : Onb 440 gem C+ Sogpm recire. Nlow) is regited is the S/' Gr5 '0$~

a. pressure 6f to85 psig in order t. vioet (Ls 13eQ Sur.clie amordie3 b klesthpase ad cefs. Ss 7, and Ii.

l Use dis as fje basis -{o determine f}c ={2d1. $ pets. reyI'terkd... Rrd minimun, cry:[ ired TOH CTOHy) Say tle TDAFk) repired AFk] - low as 440 gem b t}e S/G s. TD8r = es' P&sswe t stab'c Hud + syste Pessce cedc.,lde)) Cref 7) (re[ l ) ~ D * 'O E + (6. 74-i34'- 745.5) + 0 433 2.80 0 5 f = 0.4 33 Tes6tng Insfru nd 6,vor (Tis) Relersauce to uses acutal field 4.ested pmp dda. and dert develops s. cayufer geteroled ump carve l means d curve fil eyriin/prgre. The ref to coIc. iwapsofts f y indrancel inaccaracy dobt, and L minbox. pung carve hateden de 4/- af ins &vooni. inaccuracies of>f e} -t> tje stuniacd any curve (pealeMroaroesul k p field use ds6a). 7Ae TIE used in dis cale. S pump.2 A-S is de average oh di({ycnes, in headi eb>m fde mit1.L nomis'al and nw & naminal pump carve: 'b Cynerafed in cd. Io) C$ e pursy b ef 490 gpm. .273o. o f C min Had Geeded ) .u. 766. l (+ (namond Iled Enected) g,;g)Di[ker+cits .2 BOD.3 lf Crner.tfesJ Gxpecfed ))3d V .,.2 A -3 TIE = 3I I + 3 d. * = gg y n g,2 3' nee At Ma. of pumf lA-S is ked on_-Ele snarufacturer 's M daQ T.CE is ysol aff chte -fsr t/c pump. li ~ ~

AINIMUM DEAD 2ESitMD 542 7NE 7d?CIAIE-thv&J MD-.1-ur /S v 'I40- ' Aoraf-CSuGJ AF*?) NN/D. - D hi %If o 30 0 = Sg_sgaj.ga st__gG, 1[*:)/39 ccMPvTEo varc I cutento. h _ _osst }ljl/? V e -fle :7'IE-}Ir de TDARJPincorporales insirwo,,& arror from h>tf -floa odpressure TSEO^insir~aAlatio ~~isecaracies. 7de lobi error is determined L g using Ute "Sgure.%f ef de Sun affle Spores * (ce + eb C3.) of au the inaccuraele s. Yle TIEterm basedonl on precsure/ head nas topsg (* ras.Ifeng.i.). y Tkordwe, if de Survoullance Insituellan (SD alicA desls de 1MFJP(ses&;ng Tecl.Spc.. repiremonfs) ese measure de pumphad w;d an error of less flan a.l-(> 10 psi, (l.e.1'be /0 psi error con be inel. bg using a..nocoprog or 4 dis ge pretsdre gauge whicA has air acesuwy of Ji 7., onsf A dopstg-suction pretsare gauge uhid has an 9 of Xt 7. ), tJen no frtjer-inoccarac'e.s need to be sauunted for hoesase ASMS 6*le Seclien ~dT-Article IwP-4000 allows L. apt pressure instrumond inaccaroeg. TDAFwP n% levin Acceolable Head G Pecir. C = 50 Apen) ~ i Ps m ? /A - S .aA-S i lleod-from pump curve @ 490 ym (%) .2800. 0 (+ (m4 I ) .2 766,1 (< (ref to) TDHr @ 490gm .2.6o0. 6 /r 2600.6 ft i Allowable degradation 1%.4f /65.6 ff SQCirC hGtdlf)-{ror.'fM*f CllfVe ( CfPNNs) =2.$l2 0 lT (00S2 $ ) 2.00$~.Ohf'(tklC) min. occe,toue neas o we. -k ~/. rus aro.'?. ases a p l M /Aod. 5 (4* T E. II/A 361 V pin Acapidle RoadG Getre w/ TIE /V/A .2 7.3 5 S V. " #5'#' t.m Mu.alloadle Jqradalien (y. ) g.7 x ~ 4.s y ke l - fdpif (e5[. CLArve ffom [ojersoll-bd af 3970 rpm (dafed 4-11-73), Errf no. I2.718.1. (Serin no. ^I-S30) ( (Leh. 5 ) j p>3rda y,, Hg - M:n. AcceploUe Head @ %sc. LCwoTun (A-g e wroe&a-s)

i

1. t C A %)

J o [-' Mnimum AC(rpfdle NcA/@ #ecirc.:[ds -(NTc-TDHJ+ TIG]x 0 433 (psi) c

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Appe d;y> -. u - B) 500 SERIES / 700 SERIES _3 STAINLESS STEEL BOURDON TUBE f ALLOY STEEL / STAINLESS STEEL f { SOCKET { ~ e p ACRAGAGE J8 SOLID FRONT GAGES IMOM,Migoy gyzy 4 For use on any media not corrosive to gage system materials. (See pages 1213.) NOTE: 600 Series: Alloy steel socket; 700 Series: 316 Stainless Steel socket. MOVEMENTS: Add suf fix letter to catalog number to designate movement. (B: stainless steel; D: Dettm.I Standard - AISI 316.L stainless Complete description of movements on page 6. steel, ranges 015 thru 0 5000 psi. Type 403 stainless for ordering in/ormation, see page 39. steel, ranges 0 7500 thru 0-20,000 psi. 4 3 " and 6": Available with CASE RING MOUNTING No Aluminum case, styles 13, J4 and G7; and case, style 75. See Catalog No tabulation, tin, Phenol 6131713 Aium nur.i Screwed wais. Fiush or siem s paM"+ 6 4/7:4 Aluminum screwed Siem oniv and case descriptions, page 11. 667/767* Alum num Hinged Flush only 675/775 Phenol Polypropylene Wall or Stem Standard: White with black l'igures Optional: PRESSURE RANGES - PSI 'ack with white figures. TOTAL FIGURE MINOR 0 600 Series: Carbon steel. 700 Series: AISI G R AD U ATIONS INTERVALS SUBDIVISIONS d16 stainless steel. ) o.,5 / n,n 2 Pressures up to 1000 psi: 1/4" and 0 00 s .s 1/2" NPT male. Pressures over 1000 psi: 1/2" NPT o-100 10 1 male. om 20 2 o-200 20 2 NOTE: Custom connections available. o-25o so 2 o-300 30 2 Acrapointer, balanced adjustable design. @j Sj o 600 50 5 Standard: Double. strength glass. Optional: o 800 100 to Safety glass or plastic, _ ) @jNj jj@ j@ o2ono 200 20 o2500 500 20 Su//ix B: Geared stainless steel. Stainless pinion, 03000 500 20 gear and bushings. @j@@ @j Su///x D: Delrin bushed and geared. Leirin sector 0 Io;ooo joM tog and bushings; stainless pinion. g o.20.ooo 2000 200 Within 1/2 of I'7n of full range. COMPOUND R ANGES (Inches HG. VAC. and PSI) See pages 36 37. TOTAL FicuRE MINO R GR ADU ATIONS INTERVALS SUBDIVISIONS See page 38. 3g.._ g 3.., 3 3, o 10" & 5 1" .5 See pages 32 35. 30" o_ 30 30 _ co goe 3 io 3 3, / 30"-o-t oo 30" & lo 2" &1 30"-o-150 30" & 30 5" &2 s. Gages on this page available with special features ao"-o-200 30"& 20 5" &2 town on pages 7 and 8. 30"-o-300 30" & 50 5" &2 ( Models 675/775 only also available with fluid fill. VACUUM R ANGE See Page 19. ~ o-so" vac. 3" .2" Also available in equivalent metric ranges. I8 -~

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• TENNESSEE VALLEY AUTHORITY 337850 c............

n,,i e,,.,.,,,,,,,, 4, -_ m Purchase Requ,is h,on, n.fm.eE.2/ Oct _o 1982-_._ i w...i., 6000 053 -7 2-~~10 l.,:it i..n ,_S_e.quoyah Huelca rPlant Accer, orvir. Power 02 Ship T. Tcrinesisce Vntley Authority saqQ__ h i.J..c Power Stores _.ATTHz.._Q,_E. Brannon. Power Stores e.......i, c..n foyr . 5040B0000fl Jequoyah_tfuelear Plapt near_ DaisIn To: l'.Q, _f.,o:,,,,,2Q06.,.Rg isy, {IN_3 Shi 'I.ine Natir. l i...i.,;> iii..n. r . Q2 .,1)nte want. I 9/20 1:. f. No. - Ship fly _,.125 '"/ # ~ c.. c. a"7'2.'A ','E.'?,Y.'T. u..w, M,4 w oi

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caugd, pressure Robertshaw catalog #767-B-4 ", 0-2000 pai, " NPT back connection 5 EA 100.0( 50 Y,,ft,s.,. Is c., c i c.. o: 4 I 0 /Q /05/T' L ~ TOR: Var us Non-CSSC Systces (3-PI-3-122B & 3-PI @ REF: Robertehaw Controlo Co. 2318 Kingston Pike, S.W. Knoxville, TN 37901 EF02fMTION ONLY kils CONTit ACT WILL 11E Pall) Willl: ( ftta r:lf TO ACCOUN1tNC AfDlog.gNist Af 343 ) ajin ruwElt fifN!)S J.0 '". Al'PitOPltlNIED F..UN. I)S . 't OTilER FUNDS Qu iiiy Aous nc ltrequirernents (3 are vertuired one inclueled KX are not required. 1 10 G H l'. ort 21 notice resquired? Yr I I Nof(,, jfj.,,.' / 'M / ' ]- ~,{ _,,,, _

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s .v m... ^ '.' I* 5#**Pestat atout3TED suirrt. via, ,e ~; 1AQA0Why '- PPD.' g; CHG.S Aspp '"^"'C CC"TRoi. so. or g CD) L cusroasta Account na r ?: ' TENNESSEE VALLEY AUTHORITY' 1 s CONSTRUCTION ACCOUNTING BRANCH. .~ ..'E~' 'J o. KNOXVILLE, TENNESSEE ERANCH ORDER NO. O . ni... c= = q cons ptrig 4taar5 0F b4Las PRIORITY MTL. CERT. REM EGOTI ASLE GOVERNMENT a RATING MEQVf RED INSPEC, TION - Q PAAhak . gg.7 y gg gr. o B. MNOxVILLE. TENN. a P4Af MCT Abs 00mf U C00.f., * * -f[g PART NO. Salt A8e0 Ot$CRIPTIO#e g h . PA.V E41T anno,u.n.t. vis s,--orr UIM"au"ci aus MD s , nu c u rms cou. -~~ ,Q Qg* Q g/ FACTORY ,.g. s ._g. "10.. 8016&A3 -(767-Bk CRAGAGE 2'f.7y g 10 Qu. 0- 0 F3fl NET EA. h".NPT BACK. CONN. i. e ';g AL. TAG.(1EA.(f_, gj h . 6 PT-3-127a l-PI-3='131-PI-6-188, .7

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' " ' ' " " ' " *-l^.y_l l u g2_ au r: ~ m., w2_ ng, ~t 1 f ... if700 _ - --.p;Z._4, 1971~- I husmonu WT T7 Date /, qat2R*. I'C.O.UMI[Il(is re:uested,on t'e items listed. subi.ct_. .. g.:t. ro. _,e,ect _.,s.ecuoych nucle:e Prese p; ggp _ f.ft; h. $T ue lf/ . I L 35 --Dato._ _$ /9 /71 __ E;tdefs Ref:ree.cc fun [et TI. -2 09'. i" sad mi ;c c:,r.td cad :ed id p:;t,hc. S.cs not ghysicanty recesc7 ol!ers at.d a;rces if inis,his tt st:p,'ted mthinin e moliance t,y the t!rt., sist:d vihl oc ret;;rred ur4;cac1 to the bidde', Tuih!!!fC VALLEY Aultt0:llir, By-M. W Thot".ES from the dde of ific c:,enir.. to firrash the ternets acr3 cr sell a~1 d: days Tnt; tre Pf:ts eny or all ci the iteris at the price qxted oms:te cath. Bids anay ret 'e v.!:sd*2 a 3 turcaning Acen. cy:n'ryt m;%t the consent of tie C;r.tracting Of;i er, i UtitCLES Oil 57.W,ES /,:iD Disetunts v.ill ne !!:med for psyn.ents as fohs, _ Mone ly A1 TAC'tr.*iNIS YlMICH TOU.: PiPI CF CC*if'ACT tk.Itss oth.w;se cu!!ilied by the timer en t'is f:r.9 0; r:iseecr.ts will te c :r.e: 'rs 7 [eCOh1 ilmC' etL~"'CIETM,8 DCO[,&, A f.;nne S Fe'~e7 ~ entract piice; a o It) time in c'ltecidn with 1* Counts o!!tred v ili f.e er..;.tgj 8.*:- delist 4y of the suMies at destir,gtion, cr from date of rgeg;pt Cf c: rtct Li'l* STIW4-TURHINE-DRIVEN AITD ELEC"RIC - - .. la ter. a T4*( i!.C/ TOR-DRIVEd AU/.ILIAR'l FEED WATER Thibid$r repreents: IWPING UNITS APPROVED: That he I5 . is act3. a saats busi. ens cercerr as deficed D. r t. Part m. tem. n in cumanen e m'y cn n3 Je.mes L. William . Schedule of, Prices . Jr. l y is, n:,.:nvacturer. he at:o reneseras tut tr.e cra nwounal sua. D'oduce by a smd: bzir.ess :u.:ern. cts ts te 'ecir.:: n WI nel 21.. te Delivery and Shipping Data 7/9/71 l e cu.tcu. tne grne.n2 sen'ence is et arcnuw.. t 6,3 Guaranteed Data (Complete enty v. ten the :pe2 ate t.tne:-! ef tid ie $10.004 or inert) E E.::uipment Data . iliat he,is2Ca naeuft:tc er of (St articits. egi;mer:t. t.:24fi:1 cr sk,M*les tv: t., IXperience Da,a Ih:1 he ss._. re;ulir det!4r in, and rneint::,ns a s!:ck for sa's t y, Se [edia ; 2.:: :t equi;unt. nuhrius or so;;nes et en anern chartaar u e.at u a se i';,,.i:. 5 -Fe+4:r. 2.i04c" r'MitL.u (reme t'"- F { t ad 9599A) cevete ody *n W ee ameta amunt of die in ruess: I Special Contlitions

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te e.<rsi: - Th:i ta) h: l'as.. has n:t 2Ler$lsyed er rat:Pt"'ld WP*8 'S ' g neral Cenditiens (foret 50521 ard an< cor cestecu cr tur# is er emo c::. c:ai e retikz :e .y cr g:rt: r:. " ry,.

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.sh-Healey Act has not:;_ pu'ruce cl McN Min *sj u soM er sc:er: ms c:en.:r:; r. : quo,. Opportutiity (forms 9923 a:>< teaa tie: m:iew to. rwem or se:n.5r agree t: m r.y cer:r.y et par,cr. Tctvr t'n ,5 .i c p,n3 0023) Ig or ren tu irm at a<..to :! :n.y fcr. c:;'.-.,cw:, m.au.;.a ey r r purrons cf se.:rd2 tu;it:it! 2n ~ w ssb.i. pe :catne. n t90s p s c:. tra:. a.y age,,'s t. f.;..is.i p.fo...:p fee. te; r; L ,M, A .ypeci,,.ce. tion,io. 9955 ,l recee:tcd t;ve coena:nn; 6:r;cer. o r . :. r, cc.. -. g Jyetra Tabulatior EECD " tdcKemitE ~ F,1cu Diar, rat uo. 4 /ASW 971 ibCs' 3 DEsiC[1 INGT'RSOLL.-P.AND COMPMW , e r:.l5 i<w Spec w i m1"=. ' n i a is,m.fn i a :etir.i Benine h Sisk I mo m: 5; l l ;orW Ingersoll-Band Drivo s,,, m.,,,. CAB Cont c. 1 D"P M 04 ) 45 G-4 TB / RS __ l { l (cip.pte.,,3:, cue l REL l l lJCitDCD100, Gr)Orgia 30341 3,, 3., A PAB -l j .c ~ _ _ _ _ - ,,:jV,':t ) I i e.,w Sherrod w.mm t.,c a _ r,3y,,,, i,i;,,gr..,, im,,,a,q,,..,, na I ! qw R. Unklen, Jr. Dist. I'gr. $ h / a2.,/ 20EPTA!J t-A::e;ted On:y h to: Items 1 and 2, and if cotis:Gri To -- TCNststEE VAmy is.wrt F ' required by TVA, item 3, including overtime Daisy, Tennessee (CNO & TP Ry.), for switch rates when applicable. F.O.B. Cars, Daisy, delivery to Sequoyah Nuclear Plant Site Tennessee (C:10 & TP Railway), for switch MARK: cor.tra:t 72C30-92610 delivery to Sequoyah Plant Site. for: Sequoyah Units 1 and 2 Attn: Chief Storekeeper PAGE 1A IS MADE A PART OF THIS CONTRACT. o ~ETu. it.:voict in cupucATE to-it.fiNissEt mLEY UN:tity

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(#See note on page 1A). Construction Acc,ountin6 Branch h00 Northshore Building W Knoxville, TN 37902 E lAL!lY AUT!iOUTI. Ry_,_, lek ThonaS4 ~.. - -:e .<,g' - 8_. g'_3rs.*r.f'.r yeter._d_ejeri;tian et rtide er nrvite, at:1:ivoices rtutt >--.e.."_,_.,.-- JL 2n'.ty. 96t er.u. F.d t:tii r. Pds.op reser.;t.g mate,.J8 . Date Materias Ret:6.e g~~ ira ust esty i spri : ii. ',,i.cn er c.gr les,,;.n cu,,n, ,a, ee s ura:n tata um.u,,..,,i {,,,u,,n, eni ene.,u wi.t, e,a w..i, m a." n u mies u m N m'a (*< Bitt."meneata. M " k--!'#%L =~'"** t cua cimw s am-a I~n-

s - e u. C2 EQUIP 16JTf DATA (Continued) a. ~ ~~ 4W.. (0a}NLGTi -1 ape 11ers. ONy. Type ~aiid naterial Sesmo as turbino unit '-- .b; Dianater ggg .c.. Nupter of stages'. 9 ..-_.ing. f. Wearing r._. s Type, rethod of " fastening, and material of rings a. Casing Ridgs - - W 410 SS, Set Scrowed 1 -8. ' Shaft and sleeves a. l',aterial' and rethod of fastening 316 SS Coated, Keyed to Shaft P/Bb. Diameter at impc11ers', bearings, and stuffing boxes 2-}", 2.12", / 3-c. B nell hardness number of chaft sleeves 578 Pin. (Coating) 9 Stuffing toxes P/Da. Type, size, and raterials Packed 41/8" OD 1.T; Chrone

10. Ibse plate a.

Faterici and construction Fabricated Carbon Stool

11. Couplings 1

a. Make, type and size Fact D Flo):ible, 62

12. Flanges P/Da., Size and icngth of sur; ion and discharge nozzles from centerline Std of shaft Suction 30M PJ 16"

' Dicchargo - 90M.O 16" b. Materials Samo as Casing c. Limiting allowable pu=p nozzle forces and oo:ronts 13 Fliniram, flov Minintm r,ecocoonded flow from T$1 rap discharge to prevent a. 25 G PM overheating and/or provide for operational stability t l.' ~ k h. i.a ~ ~ N_ 1... 0

-wwun riv u.> t s. ntaham-Willamette Corinpany M #FF SSP-JG 453 jo APPENDIX D 9 ?g p ,,,.......,.,c.,r.m... ..c.,..., ,,._ pe *l8 / ROCKY MOUNTAIN NUCLEAR ""d I/fa 6 co c o CAVITATING VENTURI TEST--P0638-3 7 'INi ET OUTLET DIFFERENTIAL LOOP RUN CAPACITY PRESSURE PRESSURE PRESSURE TEMPERATURE NO. GPM PSI PSI PSI "F l l 1 603 983 802 181 93 4 1 i 2 500 763 702 61 98 3 440 877 829 l~i8B7 97 4 400 731 692 39 99 5 300 737 715 22 97 6 203 847 837 10 94 7 606 987 21 966 95 8 566 863 735 128 94 9 529 840 768 72 93

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lRUMENTATION USED: INF0EMTION ONLY CAPACITY............. 4" VENTURI METER INLET PRESSURE....... 0-1500 PSI GAGE ~ OUTLET PRESSURE...... 0-60 PSI GAGE 0-1000 PSI GAGE e

NES TESTED 0 PORTLAND, OREGON 8/1/85 I

o-C FOR ROCKY MOUNTAIN NUCLEAR s _ 7, Ob dekiM,ng FOR TENNESSEE VALLEY AUTH. g a C RTIFIED ORRECT BY: ( .ymM FOR BINGHAM-WILLAMETTE C0. ... 9. am.'k/dlome& Gampasu, f B4,1 g o,. .,...oM co. 3 W M UNTAIN NUCLE /.P CHRIS A. WRIGHT APP r o MANAGER / PORTLAND SERVICE CENTER / 8;'00 NoRTHWrt$f FRONT AVENUR Q 1, P. O. 8 02 s024 7 19038 224 9203 ' LAND. OREGON 9 7 210 (24 HouRes l i 1 800 N W Front Avenue. Post Othea Don 10247

• Portiond. Oregon 97210 U S A - (5031 '.'2ti.5200
• Tele 4: 360 5tu
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2F 3dPAJ 7ec4 Spid E8 8 o ,A A PP en DW E /, o4 h /f D(A e ") / /W ** p* CouPUTC,j ATE / a c=m n!9 a Ao = ~ JV'f oa'c /"? ~ carc co WidJ llNb +.u Il ( u.+ m 48 S/a}g i ?** - NeUise. 6 4 7. A. Z ; a 0.$m d 'f2.) a-o. N '. ,tkR c!/&hl 4 e i

'. bl.

wd ' ' & >Y m. 8t As +r 1 wu mm f;h*h,.,oL~-L-x# M J-w 64~l4dA M. O la a wr.:;&% L ~M V ^N.' l T.'..'~*'..~' ? ~ ~ i' . \\4 a= - L -u

r. ~

m.x. p -' - ,..p. r, } ",1 },* .-g ',a,_,,, 5" "..,*l , :q -.. \\ 3 (2.) 7/ ' ' 2 % f g a_j 3 % ~. A lla L,h ! ~ i i =

s um

> <f I l- \\\\ \\ ,fk L ad $ s ? ~I 3.pp% 2y% e&-gpg ....,do -s l wAk Lu-2.An.XA e4&2 - 3 '\\d l .-l .l \\ \\ l \\ -\\ WY/ ,s. _ 1 1 L, ~ - r.'- I '" F,,.. --_,. . l l . I T l% 7 r' e i l i i. i l _ _ _[.,c_._ I... i I --~"*"-e- ~ 3 i

; gor # '~'r"- - ~

m I t I 3-1 'N +V . \\.,.+,,.,p ;/ - l' t. /- :. I .___c.,._ b.,*' { -[c-1 s .,1 .. $.3 '3 l.- .1 i l l 1 's' l

ANENDix F F1 .ia' ) WP12195 dalc. ID. d o, bb Data Sheet 3 Page 1 of 2 12/03/86 _ DATA SHEET 3 ]- l AFW SYSTEM .p I p o)f'd p S/G Pressure.At Approximately 1,005 psig ___._ _ _ Unit 2 ... jg STEP 5.4.16 STEP 5.4.24 SUGGESTED - '- PARAMETER - INSTRUMENT DATA DATA VALUE j P P/zuse ~NS/G No. 1 Level . ". ^ 45a 2d 3Y 25 -3o % CAL .l _'LT-J-Nef N R 4 43a G P 3Y ,w_3o% 7 S/G No. 2 Level b ir.-3-/57o S/G No. 1 Pr saure I-1-2 / C O fpsig C/ 7 0 psig apprx. 1,005 psig cA 5 S/G No. 2 Pressure (PI-1-93 W F psig [70 psig 'apprx.1,005 psig' oA RTD rs y CST Level LI-2-230D or LI-2-233D 2I $ ft 7 'h ft >15.8 ft N '$ ff]4'?El Re.uaso. 83 STEP SUGGESTED NO. PARAMETER INSTRUMENT DATA VALUE ,-cer 87'l'04 cgs t tJH17 5.4.21 @ ump Motor Current 2-EI-3-119/8 ' D amps <40 amps 5.4.21 Pump speed Strobotac 37 @ rpm Info j 5.4.21 AFW temperature Lo T2425A S7, [ F Info to S/G No. 1, or Contac P rometer 5.4.21 AFW temperature Log T2426A 87, ( 'F Info to S/G No. 2 or Contact i Pyrometer l 4 s U O O )

1. h PPL.a ss OM L.Y ro STEP 5~< % l h co e.u i g)9 9-A G A Recorded by

• ddegd

/ f- / 7-8,A W Y.- 4/ 'I" 0%d ) G{O } WP_ l 219 f- - PAGE K-A-JG OF 2.040

/** ,) APPENDIX F f_R. i ) Cde...tt), }{,* a it ) % A B OO 00 WP12195 Data Sheet 3 j Page 2 of 2 12/29/86 } DATA SHEET 3 AFW SYSTEM MDAFP 2A-A Pump Test S/G Pressure at Approximately 1,005 psig ) Unit 2 a.. STEP ~ NO. MEASUREMENT INSTRUMENT DATA WITH UNITS 5.4.20 Flow Rate to S/G No.1 2-FT-3-163 (Auto Data 10) 2 II II'~ 5.4.20 Flow Rate to S/G No. 2 2-FT-3-155 (Auto Data 10) 2 80, o I l 5.4.20 MDAFP 2A-A Recirculation Ultrasonic Meter Flow Rate 23,7 9f, 5.4.20 Suction Pressure Temporary'PT at (Corrected for Water 2-PI-3-117 Leg) (Auto Data 10) / P, 2. 6 5.4.20 Discharge Pressure 2-PT-3-122A (Corected for Water (Auto Data 10) ) ,. Leg) l ll Z r 3 */ j 5.4.25

• Time to Reach 4[0 gpm RTDTS pg3g from a MDAFW 2A-A ea gr g,t f ) 9 3, 7 Pump Start Signal fe8 l

3 '$,f g-I7-N' (Flow to S/G Nos. 1 k f L 4 J, 8 h l and 2) ug # 2. je8 Recorded by /m' / ] ~/ 7-M g> .p gg

• The allowable time must be less than 21.75 seconds.

60 seconds (response time from B0 signal to full flow) minus 28.25 seconds (actual load sequence delay time from the latest SI-247.900 run on December 12, 1984) minus 10 seconds (marimum D/G start and bus reenergization) equals 21.75 seconds. INFORMATION ONL4 S g Old h )f < wart Ge- !~ ') k( 90 N b-i 0243E/bh't I [. ~ PAGE*a. OF_.__ 7 2^W

APPE@W 6 k 4g, SEliaB0000 PMT-53 ATTACHMENT III CALCULATION SHEET Sheet 1 of 3 Test h iT S % 3res)u c. t ooF ? n G. Date _brd N, \\CW 4 . - ~. _. Pump \\8-W Calculated b u . ~.. Checked by d I. Miscellaneous Data Transferred from Data Sheets and the RTDTS Plots Total flow to SGs from pump _63).6 gpm* Suction pressure W oB psig; Discharge pressure 3 \\1% psig Barometric pressure at M-D pump 1Cl.oM in. Hg Auxiliary feedwater temperature L,9, o 0F II. Miscellaneous Information ~ Radius ad suction, 3 03 in.; Radius at discharge __2.75_ in. ,Jaber leg at suction -o 91 ft. (Elevation difference-between gage and pu=p centerline, position if gage is above 9. and NEG if gage is below 9..) Water leg at discharge O ft. Approximate local air temperature near M-D pu=ps r)g op III. Available Net Positive Suction Head, NPSH A. Patm = Barometric Pressure, in. Hg x 0.491 psi /in. Hg. 19,o q in. Hg x 0.491 = l:4.16 psia = B. Py = Vapor Pressure of Water, psia at AFW Temperature 0.% K psia at bC) 0F = C. Water Leg at Suction, psi = Water Leg at Suction, ft. x Density of Water, 1bm/ft3 at Local Air Temperature = o.") l ft x bl.271bs/ft3 = o. A l psi D. Corrected Suetic Pressure = Suction-Pressure 7-psig plus or minus the-water leg at suction, pai = 1L,.ob psig g o.31 psi = 13.77 psig E. Win = Specific Weight of Water,1b/fb3-at-AFW Temperature.... 67.3 lb/ft3 at LT F = F. Total Pucp Flow, spm = flow to SGs, spm + 25 spm \\ = 5 %.6gpm lO970 s wp INFORMATION ONLYy, g or f a.u w

• d q

Appgg G Ga ~49-a A a ~d B0000 l((. PMT-53 ATTACHMENT III CALCULATION SHEET Sheet 2 of 3 Test % T R 3 SG 1 ce m M \\b651MC, Date Amr'd I b. \\r4 y __.y gp g,g ....._ _._...~ Calculated by b A Checked by,, G. Inlet Velocity, Vin a Yin = (Total Pumo Flow. gem) x (144 in2/ft ) 2 Tr (radius, in)4 x 7.48 gal /ftS x 60 sec/ min = ( 59kL ) x 144 3 1416 x (3 03)4 x 7.48 x 60 1 (. " g 7(. (o ) x 0.011124 '-' ~^ = b.Mk ft/sec = H. Suction Head, Hs Hs, ft H O =[(Correcred'Suetion Pressure, psig) x 2 (Win)]+2g 144 Vin 2 ( 13.9 9 ^ ) x 144 + ( = (_ o.9 \\ 12 ( b 2,3 ) 64 348 37.oq __f t of H O = 2 Available NPSH = ([(Patm, psia) - (Pv, ps' 5))x 14k+ (Hs, ft of H O) I. 2 Win _) ~=- ( l 'i. 2 b ) - ( O.36 )]x 144/(41.3} + ( 37 iog ) '_3... ft of H O 2 IV. Total Head, H A. Wout = Specific Weight of Water, Ib/ft3 at AFW Temperature 6'l.3 lb/ft3 at Lo9 or = B. Water Leg at Discharge, psi = Water Leg at Discharge, ft x Density of Water lbs/ft3 at Local Air Te=perature = _ o ft x _ (o h 3 lbm/ft3 = o psi S INFORMATION 0HLY 277 _ 10 no q. .\\, lg

APPEMo\\X b U d QQ\\8~a80000 PMr-53 ATTACHMENT III ~ CALCULATION SHEET Sheet 3 of 3 Test 1)h7 t;T 5 G-D ee n w v t \\ o o F "9 5"I G. Date A o 'd %. ik %4 ~ u Pump _\\ A - A.- Calculated by b h M C ,1 7 ~. -- -t Checked by _fA 4 /1 O$ / C. Corrected Discharge Pressure = Discharge Pressure, psig plus or minu the. Water Leg at Discharge, psi )\\7% osig + o psi = = 112 % o,sig D. Outlet Velocity, Vout Vout = (Total Pumo Fiow, gem) x (144 in2/ft ) 2 7r(radius, in)d x 7.48 gal /ftd x 60 sec/m1n ~ = ( S)(, L ) x 144 3 1416 x (2 75)4 x 7 48 x 60 9N ft/sec. = E. Discharge Head, Ed Hd, ft. H O =[(Corrected Discharge Pressure, psig) x 144 "A Yout2 2 (Wout} 2g =( \\ \\1E ) x 144 + ( 9,7Cl )2 ( bl.3 ) 64 348 7 (<,6 B.1 _f t of H O = 2 F. H = Hd - Hs =, 7691.1 ft of H O at a total pump flow rate of 2 (%. b gpm. CAc:JLa 01/20/84 B5236.MC lHFORMATION OMW k 1 J WP-10910 PAGEs.d-lE OF %-d-2t Te. 5.- i E------- ~

,*a APPEND \\X G G4 e > 321%%%0000 P!fr-53' rs fj( ATTACHMENT III 1 CALCULATION SHEET Sheet 1 of 3 Test 9M~h-53 SG 7cu3 wee \\oe S,,,3io Date ~ A,o / d \\ b W % *4 e { / Miscellaneous Data Transferred from Data Sheets and the RTDTS Plots / I. Total flow to SGs from pump 6 % 4 gpm Suction pressure IL.oS psig; Discharge pressure J 11R psig Barometric pressure at M-D pump 2Cl.e>4 in. Hg Auxiliary feedwater temperature G L 3 0F II. Miscellaneous Information Radius at suction-3.03 ~ ~ in.; Radius at discharge _2.75 in. Water leg at suction 0.9 l ft. (Elevation difference between gage and pump centerline, position if gage is above S and NEG it gage is below S.) Water leg at discharge _ o ft. Approximate local air temperature near M-D pumps._ryg op III. Available Net Positive Suction Head, NPSH A. Patm = Barometric Pressure, in. Hg x 0.491 psi /in. Hg. = 94.o4__ in. Hg x 0.491 = _l4. m psia B. Py = Vapor Pressure of Water, psia at AFW Temperature = __ o. 4 3 psia at 9 3 3 0F C. Water Leg at Suction, psi = Water Leg at Suction, ft. x Density of Water, Ibm /ft3 at Local Air Temperature J'M ft x 62.D lbm/ft3 = ~ = 0. ~b ) psi D. Corrected Suction Pressure = Suction Pressure, psig plus or minus the water leg at suction, psi = lt,.o S psig g o.31 psi 153*f psig = E. Win = Specific Weight of Water,1b/ft3 at AFW Te=perature = 12.3 lb/ft3 at _' 15.3 0F F. Total Pump Flow, gpm = flow to SGs, gpm + 25 spm = SShl. spm rp (0 % WFORMATION OM PAGE @ M AI ~ s. ) .y

3..

,a A PPENot x G ~49-da d aB0000 PMT-53 ATTACHNENT III CALCULATION SHEET Sheet 2 of 3 TesthT M l~~5GM55u ri ~ \\'oc8s " luc. Date M A\\ \\6. \\ C R 64 L .v p,,. _ g. g, g _ _....._. __ _. _..._. _. Calculated b b.........<bm Checked by % (J b b G. Inlet; Velocity, Vin ' { {' Vin = _ (Total Pumo Flow, epm) x (144 in2/ft ) 2 rr (radius, in)d x7.48 gal /ftpx60sec/ min = .( 5511 ) x 144 3 1416 x (3.03)4 x 7.48 x 60 ( ~ $51. ( ) x 0.011124 =

b. I3 ft/sec

= l H. Suction Head, Hs ~ Hs, ft H O =[(Correcte'd'Suetion Pressure, psig) x 2 (Win)]+2g 1h4 Vin 2 ( 1309 ~ = ) x 144 + ( C..\\ 3 12 ( bl.3 ) 64 348 =, }L. % ft of H O 2 Available NPSH = [(Patm, psia) - (Pv, psia))x 14k+ (Hs, ft of H O) I. 2 Win _) " ([( IM.2b ) - ( c.%3 )]x 144/( bl.3} + ( 3L.% = ) _=, kB] 3 f t of H O 2 IV. Total Head, H A. Wout = Specific Weight of Water, 1b/ft3 at AFW Temperature bl.3 lb/ft3 at 7 S,3 __ F = 0 B. Water Leg at Discharge, psi = Water Leg at Discharge, ft x Density of Water ibm /ft3 at Local Air Temperature =_ M O ft x M4 2. 3 lbm/ft3 = c3 psi +3 9 .j \\y e IO920 INFORMATION OW P^op m oor W -U

o / o' A PPEblD) x G Gf -o, o ' .~ aa 19 R80000 PMT-53 ATTACHMENT III ~ . CALCULATION SHEET Sheet 3 of 3 Test hT E3 ( C,. O, c v u r e i c e s o.0 Date b ?i\\ \\ L,. tCiB4 Pump \\ R-E Calculated by u b.< Checked by 0Asl+ d &n i Corrected Discharge Pressure : Discharge Pressure, psig plus or minus / C. the Water Leg at Discharge, psi ~ it1b osig +,,, d psi z = It1% psis D. Outlet' Velocity, Vout Vout = (Total Pumo Flow, apm) x (144 in2/ft ) 2 7r (radius, in)4 x 7.48 gal /ftd x 60 sec/ min = ( ~ 5 51. 1, ) x 144 3 1416 x (2 75)d x 7.48 x 60 R.H k ft/sec. ~ = E. Discharge Head, Hd Ed, ft. H O = [(Corrected Discharge Pressure, psig) x 144 "L Vout2 2 (Wout) 28 ={ I \\ 1 @) ) x 144 + ( 9. 14 4 ) 2 ( (o 2 3 ) 64 348 % O%,1 ft of H O = 2 F. H = Hd - Hs = 1591.I ft of H O at a total pump flow rate of 2 5 5 %. "L spm. CAG:JLR 01/20/84 B5236.HC INFORMATION OM g s WP_ /0 9 to PAGE -d-2/ op_ g-J-2.( .a ~ 'r ] ~ ~ ~ ~ ~ ^ ^ '~~ ~'

--_-________.___.-_r-g_;?..;. dk '.. 1. h. ~ '-,Q PMT-53 3 9 y.~- r-n- Page 49 .c f'3/j' 8/24/84 S ' '.j h &, -k?(d,'M[f.$'jf., a. PMT-53 I s 6' d it;.n, - AFW System aa\\q q cooo 'E &" % .f:.s.d*- 3,;.l,p4,. Q,.. J.. qR., v,yU Data Sheet 8.3.1 Page 1 of 3 ..y N INFORMATION ONLY. ~ Unit 2 !!.MY -m _.. Two-Pump Start Test pf j.kq- _ y. _'; ^ '_ '_.... ~. (2A-A and 2B-B AWP) ..m.. d(1 .. ~ ~ 5325i.::.. T N Step M 'Me'asurement Data Suggested ~ Instrument

.y

.m.;.:ma se.n,.:n ka. W/ Units Value Recorded by/Date f, py 8.3.1.8. SG No. 1 Pressure PI-1-2A 1013.3 psig

• 1005 psig i$

(Befo'rE "SG No.f2 Pressure PI-1-9A. to 13 3 psig s 1005 psig . pump G No.3 Pressure PI-1-20A 1o:5.4 psig. 1005 psig C O 3 %'~y;;g~)r-..SGNo.4 Pressure start PI-1-27A t occl.t, psig z,1005 psig SG No. 1 Level LR-3-43 23.6 Info ~SG No. 2 Level LR-3-43* .23.1 Info 4 G No.'!3 Level LR-3-98 27.i Info ,._ g h- 'P..,, J SG No. 4 Level 'LR-3-98 24, ap Info ';gj ~;^,,~'gE " ' CST Levels _ LI-2-230D/ A5.y it. Info c% /9h7lPt/ LI-2-233D _af 8_. # d-m .e w ?.18.3.1.11,.1..GNo[1 Pressure D. PI-1-2A M 3.s psig

• 1005 psig

.,%(After>,4g$.SG'Nc.'3 Pressure .3 SG No. 2 Prbssure PI-1-9A 9%.6 psig a 1005 psig % pump has fiq ~ PI-1-20A q U.g psig a 1005 psig pstopped)gjSGNo.;4P~ressure PI-1-27AB Ho, $ psig. 1005 psig 6y d.? LR-3-43 %. 3 ' Info [d N.bom.....SG No.1 Level [ "'.s..'.'A'*9fj'ySG No. 2 Level ' ,"g LR-3-43 29.3 Info ~M. d,t.fSG,No.J3 LevelLR-3-98 39.i Info y SG No.' 4 Levsl.a LR-3-98 Sy,o Info =t s'CS,T Levels.,. LI-2-230D/ 25'.o ft. Info cM h /it/nfyy j 4 o ., d", LI-2-233D

25. L.n G

nhiu-8 A-S'AFWP'Suetion PS-3-121A,20.'7 psig > 12.9 psig %.3, d 54 g<.@hidg "~" ~ y,.,s.F (A.D. 14)9 5'+itInIn y } .2A-A M-D AFWP PS-3-139A /[,J38 psig > 1.25 psig /g M

h. Suction (A.D. }0)9sa.i4In I

'2B-B M-D AFV PS-3-144A /(2,,2y6 psig > 1.25 psi 4 .v., i$. [ _ R'Suetion (A.D.y)n,% .h* rs o 2.9 psig M $p.i',.q<$'P$3.2A-AAFWPSuction k2 sec. < 4.0 sec. . b.v

r.,.

..,.u'v.., M ressure Below 1.25 psig j .sP .a / ) Mg 2B-B AFWP Suction 4- < 4.0 sec. J ' Pressure Below 1.25 psig v(<% /,it/' db sec. r g&W g;, %-a.a. 6 8.3.1.2 * ;2A-A Discharge PT-3-122A //68 psig Info ~~" Pressure (RTDTS) f i EB'-B Discharge PT-3-132A //l') psig Info /fi<m / etftdh II: I g,i,:, -(RMS) J 7 8.3.1.'10.5.2A-A Recire. Flowrate PMA .a gpm T2B-B Recirc."Flowrate N/f gpm Info A//A-- / . e p :,q "",~p: WP-ll3M3 ~ g . +& d).. PAGE X.e5) opb5f. i = _ -

.,* @,,{ - @__ A PPEHbt,X G GB M*. ':. PMT-53 g 1.r.Page 50 M.@ ~ u' - c%n,s;. ' L

.M., m;5f..

8/24/84 ... ":.o..@...G~' .g ,.m D n he 'C.- ~ \\ PMT 5.3. z. aa M..; a'"goa9m 3.@ 4 ....AFW System t ') -. y: _ ;

~;.

~. -

. ~ ~,m, f Q .,w .t @ @p - Data Sheet 8.3.1'(Continued)

• "T.f d'W g

~... g dr.n '.'Page 2'of'3 OPM'M' s8d,[ # - a)/d, 3,2.. INFORMAL @v5 .m wr - - W Unit 2..".id. -

• a.

.u. r*e.,. a. v em.,._. _ <-...T.wo-P .Sta.r..t T.es.t _ 1 M.,.,,, W-. tW %

• a &. a s..a.$. i ~

a. ,(2f".I'and 2B-B AFWPT 3._ Y

-n G.#m..x&Mw.,......<

::15.*%iis.;:,s.45N.w,.,,.;

~ c-u. w:..r.. .v.; e;.q M .....~.......,,. 4... r.4 8:4@.q.t Data _ _s. .,. f n 1 1 2A** Suggested 6:a + C)t.7 _ 4,-. m y' rem,nt Measu e Ok. m..' D.'o... M. s^.52 FI-3.-163A M61.'s 'gpm(A. D ..10).a .~.~.....'..g' fn,,g' ;..#. m

• 5 ~

.. W. : - ..g. - --YFI"ow SG T fo- .y,s. .. e~ r% W w'.E..ow to SG,2,...f, v... "' M- - w 2-FI-3-155A 2;20,3 gpm ..- Irifo &,.n p# U oi.y,,,..,,.,.,, .w ~m - * **j"".'bg.. e ct.(A.D g y -We I.q ..: :cy,.jl0);;- g ;..g,w.m..- - 4[;bo a.c. " at ,c: - g,.y.gQg We g.,.,,s .,.j;; g_ m otal 71'ow from35 iip2i4A.@?f.S gpmj gpm" W M if ~~ "h~---}.'to' SG'"1 "and 2 ^.WW@7Jm :. ' " - Wm = - Flow.,.a. %.::.s. J.?[A m s.r'*x.s....l & & w.-e4 M "W' " M *p m-oh 2. .e-to SG 3"..w2-FI-3-147A,2M. 6 gpm -tm I -~; = >. s. -

j. -

'd%.: :;w]:F1ow to SG 4 @:.;.a... "2-FI-3.170A.*L.23.o gpm 3I % hIM(A.DI'0) ;~;.w; f 7.i2, 4.' "I .G '#SInfo t:,erp* or l..b,.:.N.. Gs.35 ~ .u_ ~.g :... Total. Flow from pump 2B.B ;;.5I7.6 gpmu 's.M. "Ju.;.,.(A D ~~ 1. 0,.)WK/4:.:~.r.;..'#.m::g","Gr*"' g - ~ ~ " ' "." ' " ' " ' * * * ..AM c.U, 5mg g. W r:?:t35%' w u,.. %.m ;,*.;. ~.:::t" r.L -r 4W,.::'.;'g2 - ;;%.:;..,.o. ;. J. 500 gpm :g n,.,;e G 8 ' ^ wr'j)Q'f.u.a,..% W v.L; +.to sG'3,% OJ dnd. 4 re. 1 i "" N -

. : o..

V 2-- 4'E l ,,c o.m. y p.'.u.. y.,.y 'Y"; from pump'N ~z

g h3 -

.:.. =_.w r Ti'e to rea V. %%.4w II .. e.g., yD&O' gp i m 6.asec. 'C*23.75 sect **k Ot % 6 % W 2A$.. (.F1ow to,SG Nos.1. and 2) 4, s..).w:,/ :.s..a @.;.:/.gg3. gp..-v., /g .e. b a-* 1. M r. '"@iyRr Time to reach 500 gpm froci pump 3.8 /d.6 sec.._<._ *23.75 sec3 ~% @m. Ae -. 7 .;.:..~..~ 2. c..&n .M..~.;.:.,.,:;. ..p .. g 5 .c. 1. s t ~ .y M' f G " "2B-B.(Flow to SG Nos. /~1.@g) O.Q) TL r. ' y. ;c.' % i... ' ' ' and .3.1.10.3 Barometric pressure u.3..2f,N.Q... MWi% %i cO.pf,W.Q. c..gL f d . -,.c.,,h,.;,.;;p&W aia: v. .....a 3, ..W i In. Hg. Info e.aw; ~ . T QD.,p,ugsgy.. r,. . u,, ... F5(A.DL 10)o.m.mp,. C, p d '^ u. piw: s Af/g.g.y,,, y. g A, r:.3....~. - t. :. 1.3 "....AFW temperature to. w e ,.n 1 -3 8 log # #T2425-r.(6,4 s r*' oF. " " ", T'*. In fo.g A c%m*SG N 1 g h# gN ~ ' ' ' "'M ~ ~~ ~ AFW mperature to log T2426 '(4,yg F Info M . Nil.3T9iSGNo.2 .? F-* A 4p 4 Lp f dM t le..

34.7 AFW temperattire to log T2427 M.J[,F Info f.:

rd W a-p go wg,,,, f.L ' :* h L* SG No. 3

J (.

M ' '* h M Ev Lap 3. g '..eM &y $ ~ " ~,.AFW temperature to log T2428 M.M,F.#c Info SG N 4 /. n g.*';e .R, y;gx;yy.,-.o. 'S w~~..*. a '- ~. ~ - .4.,g; s-

8. 3.1. 2 L.L-2,,--A pump' speed Strobe f'/9D rpm Info n.q.3.,_;,..j.

7m. ,.s. ~,.... $ $p.#.rdkr}?;3 2B-B pump spe.ed M:. O. S.t robe _ _ W90 rpm .. Info . r 2.. :.;p.., ff.gy',. .x._.,,.gr~;,e....... r

. =

%.u..~..1 Qgrj gp.p,A A., his ti u

y. g,a.me criteria was calculated as follows:

k, n,x,.n.,,e:.v.<., e v g ,. n.y.p, a.,n:. geg ic y .,.. m... .. ~... - ya;..; ,a n. .v .y a seconds.fresponse.gimefromBosignaltofullflow).,minus 26.25+s..... y 2.-- .n econds< ' TiGu'"m*Tda'*dliTq*u'ence delay. time) minus 10 s'econds (maximum diesel generator start..:. .E .and ' bus lE ,.-ww . geneH...z.ation) equals'23.75 seconds ^%-#%g%n p,..-,.// N f3 @ 'w v. ~ -. -. - -~+~mcw M Pgy,.- /%*.IbN \\ T N.'s" d S,S :.na, ~[ (. ~ b.' ,~ .Wr Y.Y. gM. 3 , ygt 9 4';. ~ M N' M = Q.51'M -..- l 2 .w aw.en. g.c.u:w ma.f_ 'Krg.. ~ g st:. Q Q 'u ~ ~ f t <= .. w ~

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m--- .O b 's _ ENCLOSURE 3 PROPOSED TECHNICAL SPECIFICATION CHANGE SEQUOYAH NUCLEAR PLANT UNIT 1 DOCKET No. 50-327 (TVA-SQN-TS-88-24) DETERMINATION OF NO SIGNIFICANT HAZARDS CONSIDERATIONS ) f

7 y e g o .,, y > ENCLOSURE 3 Significant Hazards Evaluation TVA has evaluated the proposed technical specification change and has determined that it does not represent a significant hazards consideration based on criteria established in 10 CFR 50.92(c). Operation of SQN in accordance with the proposed amendment will not: (1) Involve a significant increase in the probability or consequences of an accident previously evaluated. As described in section 10.4.7.2 of the SQN FSAR, the AFW system is an engineered safety features system designed, constructed, and operated to serve as a backup to the main feedwater system to provide feedwater to the steam generator in the event that main feedwater is not available. This maintains the heat sink capabilities of the steam generators. The AFW system is directly relied upon to prevent core damage and system overpressurization in the event of transients, such as a loss of normal feedwater or a secondary system pipe rupture, and to provide a means for plant cooldown following any plant transient. The proposed change to SR 4.7.1.2.a adds pump-specific, differential pressure test values for each AFW pump. The new test values ensure that each AFW pump will provide a flow of at least 440 gal / min plus pump recirculation flow. This flow satisfies the FSAR assumptions concerning 440 gal / min AFW flow to two intact steam generators. The addition of pump-specific test values merely reflects the performance characteristics of different pumps. Because the revised SR ensures conformance with the FSAR accident analysis assumptions, the probability or consequences of an accident previously evaluated remain unchanged. (2) Create the possibility of a new or different kind of accident from any previously analyzed. As described above, the proposed technical specification change to SR 4.7.1.2.a adds pump-specific, differential l pressure requirements for the testing of the AFW system. The revised requirements ensure that the AFW pumps will satisfy the assumptions of the FSAR AFW analyses. No changes, other than those to the testing values, are made to the AFW system. As such, the possibility of a new or different kind of accident from any previously analyzed is not created by this change. (3) Involve a significant reduction in a margin of safety. The proposed changes to SR 4.7.1.2.a add pump-specific, differential pressure test values for each AFW pump. The new test values ensure that each AFW pump will provide a flow of at least 440 gal / min plus recirculation flow. This flow ensures that plant operation is bounded by the FSAR analyses assumptions that 440-gal / min AFW flow is available to the steam generators. Because operation remains bounded by the FSAR analyses, there is no reduction in the margin of safety. _ _ _ _ _ _ _ _ _ - _ _ _ _. - _ _}}