ML20236L631
| ML20236L631 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 07/07/1998 |
| From: | HOUSTON LIGHTING & POWER CO. |
| To: | |
| Shared Package | |
| ML20236L615 | List: |
| References | |
| NUDOCS 9807130098 | |
| Download: ML20236L631 (38) | |
Text
{{#Wiki_filter:f l ATTACHMENT 6 Pmposed Technical Specification Changes t I I i Attachinent 6 NOC-AE-00178 9007130098 980707 PDR ADOCK 05000499 PDR p i
'I REFUELING OPERATIONS 3/4.9.13 SPENT FUEL POOL MINIMUM BORON CONCENTRATION LIMITING CONDITION FOR OPERATION 3.9.13 The boron concentra+f an of the spent fuel pool water shall be maintained greater than or equal t ppa.
2 APPLICABILITY: Whenever on r more fuel assemblies are stored in the spent fuel pool racks. ACTION: , a. With the requirements of the above specification not satisfied, immediately suspend all operations involving movement of fuel assembiles in the spent fuel storage pool and initiate action to restore the boron concentration in the spent fuel pool to greater than or equal to
- b. The provisions of Specification 3.0.3 are not applicable.
SURVEILLANCE REQUIREMENTS l 4.9.13 The boron concentration of the spent fuel pool shall be determined by chemical analysis at least once per 7 days. 1 I SOUTH TEX?* Ut!! i t 1 1 ? 3/4 9-17 Unit 1 - Amendment No. 43 Unit 2 - Amendment No. 32
FM @G "W@ 11:1@ MT W sb5 6 8 LBMb 5 P@ 412 5/e SWll IU U131gWdMW1 P'. WJ REFUELING OPERATIONS BASES 3/4.9.12 FUEL HANDLING BUILDING EXHAUST AIR SYSTEM (Continued) Examples of onsite emergency power sources that satisfy this requirement are: In all MODES / CONDITIONS, (a) OPERABLE ESF diesel genierator for the associated 1 required components; IN MODES / CONDITIONS below MODE 4, (b) OPERABLE ESF diesel generator capable of supplying .the required components via cross tied trains, allowing one diesel generator to supply all required components, (c) an approved non-safety related diesel generator, capable of supplying the required filter train loads in conjunction with an ESF diesel. 3/4.9.13 SPENT FUEL P0OL MINIMUM BORON CONCENTRATION The r strictions n the boro concentration f the spent fuel ool is na ained less n or equal to O. in the
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ensures at the ra K event at one or reYu'ela oblies are i roperly loaded i he spent fuel poo storage ra s (with re ect to Spect cation 5.6). Si the presene of b on is ensur d, the rac will be intained less th or equal to .95 n the even of imprope caNng of f assemblies. T s boron conce ration is more t n adequate o ensure the , limit of 0.9 specified in Specifi ton 5.6.1 .a. will not e vYolated under he following cenarios: 1 (1) in Reg n 1, any mis ading of Categor 1, 2, 3, and assemblies; ) (2) in egion 2, the isloading of on ategory 1 as ly into th nter of a fu y loaded checker oard area also containing C egory 1 assemblies; , I
- 3) the misl ding of a Catego 1 assembly 1 a Region I r k adjace ]
to a C egory I assembly n a Region 2 r ek. l This boron c centration limi is the value cessary to e ure that e 0.95 K ,, limit r rack critica11 y will not be olated in t event of Category assembly droppe in the gap bet een the pool all and a Aegion 2 rack mo le. / f)tfC N A I l l SOUTH TEXAS - UNITS 1 & 2 8 3/4 9-4 Unit 1 - Amendment No. 4 M 9, 71 Unit 2 - Amendment No. Bh48, 60
l Insert 1 3/4.9.13 SPENT FUEL POOL MINIMUM BORON CONCENTRATION l The spent fuel racks have been analyzed in accordance with the methodology contained in l WCAP-14416-NP-A," Westinghouse Spent Fuel Rack Criticality Analysis Methodology", Revision 1, November,1996. This methodology ensures that the spent fuel rack multiplication factor, kerr is less than or equal to 0.95, as recommended by ANSI 57.2-1983 and the guidance contained in NRC Letter to All Power Reactor Licensees from B. K. Grimes,"OT Position for Review and Acceptance of Spent Fuel Storage and Handling Applications", April 14,1978. The codes, methods, and techniques contained in the methodology are used to satisfy this kerr criterion. The spent fuel storage racks are analyzed to allow storage of 17X17XL fuel assemblies with nominal enrichments up to 4.95 w/o U-235 utilizing credit for checkerboard configurations, burnup, Integral Fuel Burnable Absorbers, decay time, RCCAs, and soluble boron, to ensure that kerris maintained s 0.95, including uncertainties, tolerances, and accident conditions. In addition, the spent fuel pool kerr is maintained < l.0 including uncertainties and tolerances on a 95/95 basis , without soluble boron. The inadvertent withdrawal of an RCCA from a required location in a Region 2 checkerboard is bounded by the misloading of a 4.95 w/o fuel assembly in the same l checkerboard pattern at the location of the assembly with the inadvertently withdrawn RCCA. I The soluble boron concentration required to maintain kerr s 0.95 under normal conditions is 700 ppm.
)
Specifications 5.6.1.3 and 5.6.1.4 ensure that fuel assemblies are stored in the spent fuel racks in accordance with the configurations assumed in the spent fuel rack criticality analysis. The most limiting accident with respect to the storage configurations assumed in the spent fuel ; rack criticality analysis is the misplacement of a cominal 4.95 w/o U-235 fuel assembly into a storage cell location in the Region 2 RCCA checkerboard #2 storage arrangement. The amount of soluble boron required to maintain kerr less than or equal to 0.95 due to this fuel mistoad accident is 2200 ppm. The 2500 ppm limit specified in the LCO bounds the 2200 ppm required for a fuel misload accident. A spent fuel pool boron dilution analysis was performed to determine that sufficient time is available to detect and mitigate dilution of the spent fuel pool prior to exceeding the kerr design basis limit of 0.95. The spent fuel pool boron dilution analysis concluded that an inadvertent or unplanned event that would result in a dilution of the spent fuel pool boron concentration from 2500 ppm to 700 ppm is not a credible event. inn >pgs shpnt_rutdoc
DESIGN FFATURES 5.3 REACTOR CORE FUEL ASSEMBLIES 5.3.l The reactor core shall contain 193 fuel assemblies. Each fuel assembly shall consist of a matrix of zircaloy or ZIRLO clad fuel rods with an initial composition of natural or slightly enriched uranium dioxide as fuel material. Limited substituti'ons of zirconium alloy, ZIRLO or stainless steel filler rods for fuel rods, in accordance with HRC-approved applications of fuel rod i configurations, may be used. Fuel assemblies shall be limited to those fuel designs that have been analyzed with applicable NRC staff-approved codes and methods, and shown by tests or analyses to comply with all fuel safety design bases. A limited number of lead test assemblies that have not completed representative testing may be placed in non limiting core regions. l l CONTROL R00 ASSEMBLIES l 5.3.2 The core shall contain 57 full-length control rod assemblies. The full-length control rod assemblies shall contain a nominal 158.9 inches of absorber material. The absorber material within each assembly shall be silver-indium-cadmium or hafnium. Mixtures of hafnium and silver-indium-cadmium are not permitted within a bank. All control rods shall be clad with stainless steel tubing. 5.4 REACTOR COOLANT SYSTEM DESIGN PRESSURE AND TEMPERATURE 5.4.1 The Reactor Coolant system is designed and shall be maintained:
- a. In accordance with the Code requirements specified in Section 5.2. of the FSAR, with allowance for normal degradation pursuant to the applicable Surveillance Requirements, _-
- b. For a pressure of 2485 psig, and
- c. For a temperature of 650*F, except for the pressurizer which is 1 680*F.
l VOLUME
'5.4.2 The total water and steam volume of the Reactor Coolant System is between 13,364 and 13,914 cubic feet at a nominal T m of 561*F. l 5.5 METEOROLOGICAL TOWER LOCATION l 5.5.1 The meteorological towers shall be located as shown on Figure 5.1-1.
l 5.6 FUEL STORAG_E 5.6.1 CRITICALITY 5.6.1.1 The spent fuel storage racks are designed and shall be maintained wNf: Unit 1 - Amendment No. 2r10,15,43, 6h65rB9,92 SOUTH TEXAS - UNITS 1 & 2 5-6 Unit 2 - Amendment No. 2,5,32,507 54rM, 79
( e k 4 Ji) r y, ygy:r me nts e (A ~A L *$'k DESIGN FEATURES / ' p'// pQuiy41e _ to/less th6n/orkuny'+./n A5Ah(n/ lod #dafid!
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C. rarted eat rl "f: rc~'ir:=M shall be met by storing fuel in the spent 5.6.1.4, fuel and storage racks according to Specifications 5.6.1.3, 5.6.1.5. Additionally, credit may be taken for the presen.ce of soluble boron in the spent fuel pool water, per Specification 3.9.13, to mitigate the misloading of one or more fuel assemblie;, as described in Specification 5.6.1.6.
) A. A nominal 10'.'95 inches center to center distance between fuel )
assemblies in Region 1 of the storage racks and a nominal 9.15 inches center to center distance between fuel assemblies in Region 2
. of the storage racks.
s 'a n i a R 5.6.1.2 Prior to insertion into the spent fuel storage racks, each fuel I assembly shall be categorized by reactivity, as discussed below, or be designated as a Category I fuel assembly. All fuel enrichment values are initial nominal uranium-235 enrichments. The reactivity categories are: CATEGORY 1: Fuel in Category I shall have an initial nominal enrichment of less than or equal toJA w/o. J
--t _ _ _ _ _ N -
ue i Ca gor 2 f[wituunu a al mee at 1 ast ne of he foi owin crit ria
) a xim m i tial nomi 1 en ichme t of 4 w/o or, '
- 2) a .ini um rnup as s wn o Figu e 5.6 , or, /
3 min mum umbe of W stin ouse Integr Fue Bur ble Abso erl pins as hown n Fi ure .6-2, raK of 1 ss an r eq 1 to i 1.4 5. ef 1 as mbly K all be b,ased on uni asse.bly c figu ation (infi ite 'n be latera and ial ext t) i the 1 r acto core geome ry, j sumi g unbo ated ter at 6 'F. ' l he FBA od r uire nts owq n F1 re 5.6 2 are bas on a nom'nal 1 BA li .ar loa ing o 1.57 g-B / inch For igher FB lin r B'O oadi gs, ( t t re ired umb e r duc by e rat o oi '
,ei reas B eradinof IFto A t ero nom s per nal assemb
- 1. 7 mg- y may ,/i ch 1 ading CAT ORY .
, fu in tegor 3 sha 1 hav the minimu asse ly urn 5 -3. sho on F gure
~ f i l
ATEGO (4: ... Fuel
,5.6-4. fn Cate ry4;all ve t e min ~ mum a emb y bu nup s own o Fig re j
l Data points for the curves presented in Figures 5.6-1 through 5.6- are presented ~in t. ables on the respective figures. Linear interpolate n between table values may be used for intermediate points. SOUTil TEXA5 - UNITS 1 & 2 5-7 Unit 1 - Amendment No. h43,61 Unit 2 - Amendment No. 32,50 U__________-_________----__-_ --
Insert 2
- a. krr less than 1.0 when flooded with unborated water, which includes an allowance for uncertainties as described in WCAP-14416-NP-A.
- b. krr less than or e-qual to 0.95 when flooded with water borated to 700 ppm, which includes an allowance for uncertainties as described in WCAP-14416-NP-A.
Insert 3 CATEGORY 2: Fuel in Category 2 shall meet at least one of the following criteria:
- 1) an initial nominal enrichment ofless than or equal to 4.85 w/o; or,
- 2) a minimum burnai as shown on Figure 5.6-1.
CATEGORY 3: Fuel in Category 3 shall meet at least one of the following criteria:
- 1) an initial nominal enrichment of less than or equal to 3.55 w/o; or,
- 2) a minimum burnup as shown on Figure 5.6-2; or,
- 3) a minimum number of Integral Fuel Burnable Absorber (IFB A) pins, as shown on Figure 5.6-3.
The IFB A pin requirements shown in Figure 5.6-3 are based on a nominal IFB A linear B' loading of 1.57 mg-B' / inch (1.0X). For higher IFBA loadings up to 2.35 mg-B' / inch (1.5X), er assembly may be reduced by the ratio of the increased B the loading required to the nominal number ofIFBA pins p/ inch loading A full length IFBA 1.57 mg-B' . , is 168 inc part length IFB A is greater than 120 inches long. CATEGORY 4: Fuel in Category 4 shall meet at least one of the following criteria: ! I an initial nominal enrichment of less than or equal to 2.50 w/o; or, l 1)
- 2) a minimum burnup as shown on Figure 5.6-4; or, ;
- 3) a minimum number ofIFBA pins, as shown on Figure 5.6-5.
l l i \hoppe6\spntful doc
The IFB A pin requirements shown in Figure 5.6-5 are based on a nominal IFB A linear B' loading of 1.57 mg-B' / inch (1.0X). For higher IFBA loadings up to 2.35 mg-B' / inch (1.5X), er assembly may be reduced by the ratio of the increased B'" the required number loading to the nominal 1.57 mg-B of IFB A pins p/ inch loading A full length IFB A is 168 part length IFB A is greater than 120 inches long. CATEGORY 5: Fuel in Category 5 shall meet at least one of the following criteria:
- 1) an initial nominal enrichment of less than or equal to 1.70 w/o; or
- 2) a minimum burnup as shown on Figure 5.6-6.
CATEGORY 6: Fuel in Category 6 shall meet at least one of the following criteria:
- 1) an initial nominal enrichment of less than or equal to 1.70 w/o; on
- 2) a minimum burnup as shown on Figure 5.6-7.
CATEGORY 7: Fuel in Category 7 shall meet at least one of the following criteria: l
- 1) an initial nominal enrichment ofless than or equal to 1.65 w/o; or
- 2) a minimum burnup as shown on Figure 5.6-8.
CATEGORY 8: l Fuel in Category 8 shall meet at least one of the following criteria: ; I
- 1) an initial nominal enrichment of less than or equal to 1.40 w/o; or
- 2) a minimum burnup as shown on Figure 5.6-9.
CATEGORY 9: Fuel in Category 9 shall meet at least one of the following criteria:
- 1) an initial nominal enrichment ofless than or equal to 1.40 w/o; or
- 2) a minimum burnup as shown on Figure 5.6-10.
t i%oppes\spnt_ful doc I
l l CATEGORY 10: Fuel in Category 10 shall meet at least one of the following criteria:
- 1) an initial nominal enrichment of less than or equal to 1.40 w/o; or, l
- 2) a minimum burnup as shown on Figure 5.6-11.
CATEGORY I 1: I Fuel in Category 11 shall meet at least one of the following criteria: 1
- 1) an initial nominal enrichment of less than or equal to 1.20 w/o; or, l
- 2) a minimum burnup and decay time since shutdown as shown on Figure 5.6-12. I Insert 4 The fuel in Region I shall be stored in accordance with Figures 5.6-13,5.6-15, and 5.6-16.
Insert 5 ) The fuel in Region 2 shall be stored in accordance with Figures 5.6-14,5.6-17,5.6-18, and 5.6-19. Insert 6 Fuel storage patterns used within Region I shall comply with the interface requirements shown in Figures 5.6-15 and 5.6-16. Fuel storage patterns used within Region 2 shall comply with the ! interface requirements shown in Figures 5.6-17 through 5.6-19. At the interface between Region I and Region 2 one row of empty water cells shall be maintained between the Regions. The empty water cell row can be positioned in either Region. Non-633dc items can be stored in the empty water cells per the provisions of Specification 5.6.1.3. i:hppes\spnt_ful doc l
~ "1 he wJ k 5% e
( E eb & OUsan non 4,, ,'j, 7 % p ,, ,,,,, , LF : p ce(Is ud Sc e - ackj ace .J b a cell sl*<rn a Selasse_st
% e v&.lun ks bee , yerjured -fk+ ryp u lt s iv e M e e $ h -< n o n - & cs,), ;L, DESIGN FEATURES F #
5.6.1.3 Region I racks may be used to store Category 1, 2, 3, : .d 4 fuel. l y n . Empty water cells may be substituted for fuel assemblies in all cases. 2, S', 7, 6, 9 ^ ~ A II 5.6.1.4 Region 2 racks may be used to store Category 1, 2,p0, e..d 4' fuel. hfeh"$h$Ykikkhklkhbhoh/, rb b "j"
;N,#U*((e s ..>[c~p N c</ [5. f", r,,,",*[,N:e . . .
5.6.1.5 Storage Configuration Interface Requirements ch .e j h $$ $ $ $1 0 W ' N ' N' h.ItYraitobn ' " " Y/ { Internal Lnterf aces /in ReAlon J Racks -
!heinteface et en a clos d pac d fu 1 s rage rea nR ion an a ch cker oard st rage area also i Reg on 1 shall e s ch at e ther. '
. C teg ry 3 r 4 uel a semb ies n the hec erbo rd p tter ar arr >d i ot firs row f t e clo pa ed tora e ar a of fu ,
( as s own n Fi ure 5 6-5; r, l
- 2. at leas one row of empt wa r cel s se ara a e ose ack d f el s orag are and chec erbo rded tora e ar a.
nter al I terf ces n Reo on 2 ack The nte face betw en a ose ack fuel sto ge rea Re on an a che ker oard d st rage ea i Re on 2 hall be ch at the : 1 ere is a c e ro caryover/ofater ting empt ce s om t e hec erboar are int the H rst row f th clo e p ke area with e l rem ning ells of t e row fill d wi h Ca egor 4 sett lies as sh wn in igure 5.6- ; or 2 a leas one mpty row o cel s s ara st ch cke card patte i rea a the clos pack d st rag are eai_n 1 lose acke Sto ace A,ea A .iacent to eai n 2 los pac d Are Th re e no str tio on ei rf ce b wee eg o clo pack stor ge a eas clo pac ds ag are in e 2 ndad)cen 1 SOUTH TEXAS - UNITS 1 & 2 5-8 Unit 1 - Amendment No. 43 Unit 2 - Amendment No. 32
DESIGN FEATURES eoiod Checkedoard Stotxfoe Area Addcent to Recid 2 ' interf e betwee checker rded storag rea in Region rack and any Region rage are shall be ch that eith :
- 1. the gion I c kerboard pa b ndary, bu he last row rn is carried the Region 1 the Region 1 undary leaves th ategory 1 uel assembly ositions vacant or,
. at le one row of pty water cell n either Region or Region 2 rac separate th egion.1 checker carded storage ar and the ion 2 rack s rage area.
Reaion Checkboard orace Area Ad.iac t to Reaion 1 T interface be een a checkerbo ed storage area i egion 2 and rack storag rea shall be su that at least one ow of empty w ery cells Region in either R ion 1 or Region racks separate the egion 2 check storage a -a and the Region rack storage area carded If c ckerboarded stora areas in both Reg ns 1 and 2 are djacent, at east on row of empty wat cells in either Re on 1 or Region racks sha*.1 parate the check oarded storage are in the respec ve r:cks. 5.6.1.6 of190 ft The minimum boron concentration speci ied by Specification 3.9.13,
" Spent Fuel Pool Minimum Boron Concentration"/ assures that the rack K,ff limit '
in Specification 5.6.1.1.a will not be violated urt t% fe!!ct rcemHet: Regi 1, any sloadin f Catego 1, 2, 3, d 4 assemb ~ s;
- 2. n Regio the mi oading o one Catego center f a full 1 assembly nto the oaded c kerboard 1 a .,emblies; ,
a also con ining Cat ory
- 3. the misl ding of ategory I sembly in - egion I to a C egory 1 sembly in ck adjacent egion 2 ra .
5.6.1.7 The new fuel storage racks are designed and shall be maintained with:
- a. A K,,, equivalent to less than or equal to 0.95 when flooded with unborated water and less than or equal to 0.98 when filled with aqueous be met byfoam moderation (low density water). This requirement shall limitin 5.0 w/o or less. g the er fuel assembly nominal enrichments to
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b. A nominal 21 inches center to center distan e between fuel assemblies. - bouk k becon Cs ace b b e n
- f U " f &
re y ,& g h e k sn e& l,% % $ t I Wil*^ A'" *l asa Alfo SOUTH TEXAS - UNITS 1 & 2 5-9 Unit 1 - Amendment No. 43,61 Unit 2 - Amendment No. 32,50
DESIGN FEATURES - i 5.6.1.8 The In-containment fu storage racks are designed and shall be maintained with: a. A K.,,ted water. equivalent unbora his requirement t le.ss than shallorbeequal to satisfying met by 0.95 whenatflooded with least one of the o11owing criteria:
- 1) a maximum nitial fuel assembly nominal enrichment to 4.5 w/o j
or less;.- _g g y
- 2) a mini Absorber number as a funcof) tion of initial nominal assemblyt6sA1pgtpd'sps Integra
. enrichment, as snown on rigur -/',oraK, of less than or l
l equal to 1.484. The fuel ass K ' shall e based on a unit assembly configuration (infinit$,in the lateral and axial ; extent) in the reactor core geometry, assuming unborated water l at 68'F. , ' pm 1 56-20 The IFBA nominal 1F requirementsshowninFigureJ'.p/ inear B" loading of 1.57 mg-B inch.TAire based on a For higher j IFBA linear B}' loadings, the required number of IFBA per assembly may be reduced by the rgtio of the increased B ' loading to the nominal 1.57 mg-B / inch loading; or, l
, p i n i
- b. A nominal 16 inches center to center distance between fuel assemblies.
l DRAINAGE 5.6.2 The spent fuel storage pool is designed and shall be maintained to prevent inadvertent draining of the pool below elevation 62 feet-6 inches. CAPACITY 5.6.3 The spent fuel storage pool #'s 1 designed and shall be maintained with a storage capacity limited to no more than 1969 fuel assemblies. i SOUTH TEXAS - UNITS 1 & 2 5-9a Unit 1 - Amendment No.61 Unit 2 - Amendment No. 50
i
. 1 l
Mi ' mum Burnup for Catego 2 Fuel l 6,0 i i f _ _ . _ _ _ .
. __f b initial Enrichment Minimum Bumup ,/ _
k (w/o) (MWDMTU) ... . . _ _ . . _ D 5,000 - 4,o a y _
/ .
2 2,700 C 3 4,000 5.0 5,400
/
s : \ . : _ . . Q. . . . .. , 3,000 y _ . . . . . . . .. ( 2,000 Accepfable
- , UNACCEPTABLE
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E - q) _ .. u) _
' __ . .. ) . ._ _. - _ . . _ _ . _
f f f I t 4.0 4.2 4.4 4.s 4.s s.O initial Enrichment Assemblies with an initial enrichment less than
/ (w\of 4.0 w/o are ACCEPTABLE Figure.5.6-1 Sol' - M A1 - UNITS 1 & 2 5-10 Unit 1 - Amendment No. 3 Unit 2 - Amendment Nn. 3
4 l Minimu IFBA Content for Cate ry 2 Fuel 100 _ j _ _f_. _ _ _ _ l inn i m o m eoni.ni e j 90 m ., su % - - -
., , ._ ___. _._ _ _. . _ i th a
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[ . _ '. . ~. C_ . ~ E. .~ ~.[ . _. ~_.~__ ' . - . ~_~ $ 4.0 4.2 4.4 4.6 4.8 5.0 Initial Enrichment (w/o) Assemblies with an initial enrichment less than 4.0 w/o are ACCEPTABLE Figure 5.5-2 l SOUTH TEXAS - UNITS 1 & 2 5-11 Unit 1 - Amendment No. 43 Unit 2 - Amendment No. 32
Minimu Burnup for Cate ry 3 Fuel 20,000
~
t ~ ~~ Initial E ! (w/o) nt Minimum (MWD /MTU) Bumuf - - - - - - - - - - - - - -
) _ 2.s 0 2 15,000 8'
3 _
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s.5 4.0 e 000
/
- 4.5 750 v .
5.0 1, - - Q - - - .. U 10,000 / \ E _ a . . . .
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Acc6ptable mu r M el m a rd =1E m m 3,000 ~/ /
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m g - . . . . . . .. .. O f' '... ' ' ' ' ' ' ' 3.0 3 .5 4.0 4.5 5.0 Initial Enrichment (w/o) Assemblies with an initial enrichment less than I.8 w/o are ACCEPTABLE Figure 5.6-3 SOUTH TEXAS - UNITS 1 3 2 5-12 . Unit 1 - Amendment No. Unit 2 - Amendment No. 3
1 l l Mini m Burnup for Categ y 4 Fuel 45,000 .. .g __ . . _ _ . . . .. Enrichment Minimum Bumup .-
- [~~ ~
" ~ ~
(w/o) 40,000 - 1.7 (MWD /MWU) o
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^ : 2.0 7,000 ::'.~._.__.. .T : _:
O - 5 14,500 [' ~. ~ ~ h 35,000 } j-
$000
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O 4.0 4.5 31
,800 .y..
l .. 3 30,000 - 5.0 000 , , , , 1 : , i :- :.. .- v .
- y. . . . .. . . . . .
Q. 25,@0 a C - ' '* '*'~ ' **
$3 * ' ! Accesfable mitcrNeIel:mrdbsm y .
- f. . .
,o 15,000 .
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E - ~: 8 10.20 s
/ :j /
ul . . ... . ..
< 5,0
- ..; . .- . c. .x : :.:..
o' '' ' ' 1.5 2.0 2.5 3.0 3.5 '. 4' ' ' ' .5 4 5.0 Initial Enrichment (w/o i Assemb!!es with an initial enrichment less th ii 1.7 w/o are ACCEPTABLE ! i Figure 5.6-4 5-13 Unit 1 - Amendment t 43 SOUTH TEXAS - UNITS 1 & 2 Unit 2 - Amendment No. 32 E----- - - - - . -
i Region 1 Close Packed and Checkerboard Fuel Storage close-packed storage 1 Jl 11 ll ll 11 ll 1L
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- c. ..+& . wA . . 944.< 4: Ap.- IcGag
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/ 1 992 g s m-4$d1 ll 11 11 ll 11 ll l II Y checkerboard storage T l Category 1 Fuel Assembly i h Category 3 or 4 Fuel Assemt,1y m
! Category 2,3, or o Fw,I / teembly a? :
Figttre . 5, /-5 SOUTH TEXAS - UNITS 1 & 2 949 Unit 1 - Amendment No. 43 Unit 2 - Amendment No. 32 l E - - - - - - - - - - - _ _ _ . - _ _ _ _ . _
I, Region 2 Close Packed and Checkerboard Fuel Storage ( close-packed storage i I i i i l MyA" M MMV/ffAM - EMMMFAF#AM ,; I F" V V _it x ,
-! U l
> l T ' checkerboard storage h Category 4 Fuel Assembly Category 1,2,or 3 Fuel Assembly Water Ceu Figure 5.6-6 SOUTH TEXAS - UNITS 1 & 2 5-15 Uni *, 1 - Amendment o. 43
!! nit 2 - Amendment . 32
Minimum Burnup for Category 2 Fuel Region 2 250 I i l i i I i t l l l l _-_a _ _ ; __ _ -. __. 1_;l _,j__ Initial Minimum l l l l l
*-] {-
~ ~ ~
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Enrichment Bumup (w/o) (MWD /MTU)
~ ~ { ~ ] '~~--
T-(( !l
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4.85 0 j
' j 200 -
4.90 75 j ; 4.95 151 _ _ _ w ___j l 3_ __
^
l 5.00 226 l l l D _
-_ i_.,l l
_a___ _a__L. H E o _q , , _ _ _ q..i l I I lp t 4_ ,l _ d' __ g i l l . i
-_I_ 1 ,
_ _7_ I _ E 150 ' ' _Ll
- l l ! i !
l_ .. __;_ J-- l l ! l i
- o. _ - .
i I _ _J-__1_t _ E - - l-- -- - + =j + -l I ! t-l 4 s l l I ; i l 2 - -- ACCEPTABLE - f---t-fj ____p-i 1 g _ _ _7_ ' ' _ _ .-p_ j E 100 e i l i
, , , l ,
{ I _. . _ _ ._ _._ _. _.4 __
! . __d __. _ , ..___l_ i . __ ;_ . _. __
< __j i L _l L_
e _,-_r_1. I _Jl . ___4_d__l,
.. l i d_ i 1 i i < l g _..q _ .,_ _ .._-__-.._i . _. _ i ! i 1
'.I ___I_
- u. _- _. _ ] . _._ j l i l i <
l 1
! ! ; i I
i ; j i j r :
! (_(_
, i y, , ,
50 l ll , Jr a a. 4_ J__ ' L- , UNACCEPTABLE.2_
, {
y_q' _p
\ I 1 i I I ; \
l _ . _ g - _a_e -. -- l q_4_4.._-p q__ {- __. _ , _ . y'- --
}-
a j_q l _ _; . _. q _ _. t ..1 _ _ q -_ . d.a- _L a 0 l.I l ! l ! l ! I i l i l l 4.80 4.85 4.90 4.95 5.00 Initial U-235 Enrichment (nominal w/o) Figure 5.6-1 SOUTH TEXAS - UNITS 1 & 2 5-10
Minimum Burnup for Category 3 Fuel Region 1 10,000 ._ ,, , , , , _ _.j....._. ..___ k ._ _ _ _)__. Initial Minimum .- 4__
-_- $ _ i__ _ . . .4_ . _4_ .
9,000 - Enrichment Bumup -
- -W -_- _h- i-(w/o) (mwd /MTU) _ ' _ __4_ _ _ _p _ _ _. [. _-
3.55 i - r-- 0 ^ ~ 1-T-~'
--i--
F~
-~T~ T -- -
~~ '
t-8,000 - 4.00 2456 4.50 5.00 5414 8598
- -H --j -
i [-- p-i ZZZ ZKZ Z!_j 4
~
3 Z _ ,_._ iz E 7,000 _ 3_ . _7 __
. _; _ _ _j_ __j _ __j_
_q_ .__t _ _ q-_ __ 3 - __.
._p-- __ __ __ __ __
E 6,000 '
- r -p _. ' -
q__- s _;i _ s __. -_t - _._q___ _.l _ _ _ _ _ _ __j __ q._ E s 5,000 ZiZ RZL ZIZ ZfZ ElZ 7'tZ IZ Tll f 00 77.jz ACCEPTABLE _ _i _ . i-- - l--- i 4_ _ _ + - -p _- . 25 ZlZ -tZ~ ZI :~E ._ 7_ ~_ _ L_i ~ E. 4,000 ! : ; l l (/) m _j__ i _._) >
._ ] _._ _ __ .d__
t ; pJ-_. i _. m __ _ _ i _ _ _ . _ 4 . _ . . , _ _ _ . _ __d_ _ ___ _ ..[ _ L __l__.___ 15 3,000 l l l l _. _7 l [/, n ,_ _ _ 7.- y_ _ _ q . .. _ _ g .__q__ ...._J_._..-
. q_
_q._.__. ____.___._7_._ _._a___ _ _ _ _ . .p _ __ _1_ __ _ 7,__ _ 7 __ q_,_ ._. _ . _ _ m_ _ _. 2,000 _ .. L _L E - L-_ _ _;, 1 __ _ L. UNACCEPTABLE
. ., -_a __
_L _ _L ._ L. _ _ _ ;- __ _ _ - . . .-. J___ ._ .J _ .__ _ .J _ _ _ a__ _ _4_ .. _ _ -__l ____J __ __. 4__ - _ _.4_ . __L_ _ _ p._ _.L__ 1,000 ; l __g-y _. . _ _ 1 _ . _7 _ . 1 1_. - ___._.L._ _ y .__. . . _ __ _.._ 7._ _ a .__ . . -_ __
-__._( _ - _7 _ _
__9__ ; _ _ g_ _ _ _ [ ._ _p _.; _ _ ___ _ _ _ ; _-- . .___-4__. _3 _ 0 l 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 Initial U-235 Enrichment (nominal w/o) Figure 5.6-2 l l SOUTH TEXAS - UNITS 1 & 2 5-11 u_____________ _ _ - -
Minimum IFBA for Category 3 Fuel Region 1 160 .._._. __ _ p _ _# } __4 .___ } _. _ __ _ _ _ _ _ . _ _ _ _ _ _ _
- ZS -
~
Initi l IFBA IFBA ZZ MZE- ZZ 150 - Enrichment Pins Pins _ 7;p-- --p;- 7 p-- c I 140 i 1.0 BA 1.0 BA Pad Length W _py _.._4__.__ --- Length 130 i 6
^
Y l 3.8 4 24 42 33 : zjz--- -t 2: zi_ _. _ rc 4 i 59 - r-- -- -
--4 -
~ - - ~- '- ~~-"~-- 4-l > 120 7 4.2 e1 85 ~7 3 -
4.4 4.6 80 98 111 137
- ZZZ
~ - ~ ~ ~ ~ ' ~ ~ -
[Z
/ --1 ~
Z Z~i
- jgp[zzj:-- ZyZZ E 110 4.8 117 n/a l
5 135 n/a 7;. [_ h-[_ { ZI[~- y) __._.r_._ _ _ _4 _ {_ _ p.__ ; __ _
< 100 _a ,
7_. r_ g x-txx ___qrr_u ~*~ b- xxx r pu cp
~ - " - ~ ~ * -
c o- 90 R 7 ~~ ~~ - ~- g3 _l(Z __ __J ----i z Z ~iz--~ [ 1__ t__ zt-- __
,5 ntz --irr zi - ----tr/ __1_ cdr Zrfx __rM_! r a 80
- x ACCEPTABLE x rrp c .__p -
xxtra 14_ rL_ g 70
~~~ ~
E j _._j_c 1} x r4_ _ _ , __: _ 4__ _rtxx _- - --;___.
" _ _1_ _ ~7 _
l o 60 ,7
~
4
- " ~ ~
Zg- _' ::J- .!-
-jr __fr L. : _ __4.__. _ . _ . .
__a 1-d.t---'
.8 x rz i- _ rr _x x{ :-f E 50 .
g_ _ _ , _ '_ __g UNACCEPTABLE 4_ _f ._
$ F 252 PL;z/:&??_i 2 .: = 2.=f _zif?
=;:= =1- =[- _4= -m : --i = z_j=
- =;=) f=ut = _ =tz. =rx =gz _q= =;=
30 l
- ]= _ -{1 f=Jg: =V ;z zl:- =[= z;=
- :Tr o r rj : -: =;m njn xrn x;x a __
20 _# ._ _ ._ _ r _ _,_ 4_ _ _g __ _ _ _ _ __ _ _ _ . . _
. _ _[Z 'T ~ ___Z. ZZ ZZ Z Z.Z Z ~l'] T . ..Zj _~_Z-
~ ~J -_ _ _ _ 'iZ JZfZ
_ g _ ... p__ _ _ . _ _ . .__._ _._g.__ _ __ ._ _.p _ 10 l -__ znz)'=;r f 4_ _ riz _ _ _ _ _ _a_ _
~ - * - ~ ~
~
_:12 ~
~ * ~
.;r zr-
~~ ~ =f . -~ zyz
~-' ~ ~ ~ ~
0 l 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 Initial U-235 Enrichment (nominal w/o) Figure 5.6-3 SOUTH TEXAS - UNITS 1 & 2 5-12 l
Minimum Burnup for Category 4 Fuel Region 1 25,000 , , ,, ,,, ,, a ._[.d .,,\ 8
\l >
l t : Initial Minimum I i Iil! i i-l l Enrichment Bumup - (w/0) (MWD /MTU) _ _L_ t[.r"fj _i- .__ _ _.. _} _., _ ,
] 2.5 0 - --
p-20,000 t 3.0 4955 I I , 3.5 4.0 9490 13790 llll,
-" i-' " ~
lll,
~ ~ " ~ ~ lill -
3 4.5 5.0 18063 22278 q_ _. 7 -~I-T T +h i _ i_1
~
o q_ L! L' i , w_ _l 1 i _t_t.-4_ j
..q_ _
i _._. ; 7 ._ i E
~ 15,000 !
o.
!l l
. - 4 l!_t_ .._Lt__.
l! t t I
._L [_._._
/
_ a_ Il
._I l l l _ I_I_
q ; _. 7_L_I _ _ _ m . __.u 1 ACCEPTA - ---
-~
Tt-
.6 h_d_u_w._BLE-- _1 d_.
- 1{ .g
__fI 4 j!.__. illI I!! ! I
! l I i I *E 10,000 g
I
.__.4'. __ _.._.
! lIl /l llI
_j _,q_p _ .p.- _j _ i l1 _ ll _ ._ l
< y__._ o _4_b1_
J_ _ 44 J_ 1._ __4 _1 g_ u. 2 7; _ _ _. w _, _ _,! _ l , _ ,! _r. .i . . x' lj.jj- -l; ll - . l-- l l 5'000 l! _.._!ll.
, . +
l _pl ._glll._ _,_,- l UNACCEPTABLE
, , ul l.. ,
1 iI_. _ iill q._ l l
, __ . . l'_ !
__ _ ._!!-. __ I1'_ l LLp 7 _ ; .j . p_ _L.4_p _.-.._1 9 ., . _ p i j- -l !! - _ . _ l I I _- il. _l _! _ . _
!l 0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 Initial U-235 Enrichment (nominal w/o) Figure 5.6-4 SOUTH TEXAS - UNITS 1 & 2 5-13 t
l 1 Minimum IFBA for Category 4 Fuel I Region 1 170 _ _ p _4__q .__3__ __ _ initial IFBA IFBA :.I' Z :: Part z,= : Full 160 -
- jzz ::n; Length Length -
l Enrichment Pins Pins cf___
=7~[
I 150 - (w/o) (FL) 1.0X IFBA (PL) 1.0X IFBA _4 If~ : ~j--- Z--[~ z_ l _ g. _. _ _ _ _ _ __ 2.5 0 0 fr~
+-
nz" Z: _ ._ _. a 4-zt M0 2.6 13 18 ;; --- r
- +--
_t__ __j -- ;_j77 l 2.8 38 54
- - i~ - -+-
130 - 3.0 64 89 i _[ i _[~ [_Z h 3.2 89 125 ~l M --~~ L __ Tu
# 3.37 C-_Y --+ --- + - - -
E 120 n/a
- - - ^
156 , 3.4 114 n/a st =n ft-- __t= l l $ '* '# "'* -- 5 m 110 - 2 :::j::-~ i 3.72 156 n/a - - - - t -- 1 l 4 . - . . . - , - _ _
~ -
--t^ : 1 l
I-- -- 6 - -b - -r --
-----*--- --- 4 --
e 100 a__ _ . 0-
=-iz ~ " ~ ~ =4: *-
- ==4tz '
=
" ~~~
t= :"-zi--= t=. :=f ~ ~ ~ ~
~" ^ --~
90 =+- .)= } =q=
.5 i
- =L== =\ = . _ _ . _ [_ _
Q. n-- l ACCEPTABLE Zi 7- ZOr~ zizz ZZ1- - zzi: -
< 80 _ .
L__- in =i L_-=___=_r=..._ _:_, =__. __ F= _ ___4 _ _ _ _{_.__._.. 22== _ ___4 =. _=d _._ _ 3__ _.
-- y _f.g_ __
(--_
- -~ ~
60 j =4xx - ;=f=r c_ ; __ -- -
'- jn:
c 50 x=;x : rjn_j - - - " - --H UNACCEPTABLE dx: 3 ___ r _ _ _._ __
~
- _ .l z ._- z. . _
i 40 -__ _ c _m _ _ _ . . _ _ ___ _ _ . _ _ l - =,b: =
' *~ _
-
- _l- ~ ^
. _;=: -
- -i= ~-;_z :~::= _ _=l = 1 30 unn c' .x =gn= x xr----. rp:-
~" ___e.__
q 1= -4_ cx *&
~ ~ ~
~ + ~ ~ -
-~ "
20 4 . __ . r_ i_ __ __ _,- -+ 1 =:=
~* f=1= "
-==1_:_=- =.= :=1= zzt=
~~+-~ - " ~ ~
=rz -
10 # ~ " - ~ ~
- t .: =tr- =q _ _. --
= =;= nu!ZZr 1=!Z:- 1= ,
zz' = zzZZZ ZJzz =' 'J ZZ 1ZT -~-- l 1 0 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 initial U-235 Enrichment (nominal w/o) Figure 5.6-5 SOUTH TEXAS - UNITS 1 & 2 5-14
Minimum Burnup for Category 5 Fuel l Region 2 { 40,000 , , j h,
+
U
~
i initial Minimum t- T'Ed T 1;- i~ Enrichment Bumup 7ij Tft fj
~ r ff f H "F 35,000
~ i~ (w/o) (MWD /MTU) TEI TTI i~ TlTiTi 1-' i 1.7 0 .-
_,hi ,I + - -
. h,xh i
- - f. .
1.8 1746 . _ y_dj _-. I._.-__-..J _ 4_ [.- -1 ; 2.0 5032 .- - LL L Jl . 1 LL- 13_ j 30,000 1-- 2.2 7976 I I I _ {_ I I l f .. 2.4 2.5 10613 11839
~fh T~iT dhh T-
-f B 2.6 13012 7-T T7J r
L T.._ T _i~~ _- _T,_'n- .-}nTE g 25,000 1 3.0 17363 ii i I I I I iii! E 1 3.5 22609 -
! I' i_
i _-._JJJJi 1 1 4.0 27839 I L . . _. . J. I
@ J- 4.5 32812 - -
rf l- b -
-U j-,-)-
E 1 +' r citr T 7+' 5.0 ! 37542 T s 20'000 l a3 x
. jplJ--p 4 p-pt!.g4 J.l. , _ . _
- _{ J_
J_4_
!_ _q_jJp
._ g,j ._
fACCEPTABLE % ,_ p _,_I~ _ 4 L ,_ 4NIT T i- If~
' ~~
f ,, J T V M T W 1 ^^- m 15,000 ,,;3, i;;; i , , ,; ;, i , ij i
- * ^ ~
W, , ; R' Y -' _W g'_ _ T~ ')D; , T;T. .H
.yTmT
-' ~ -
- p. .j]__ q7 ,J_ 7
<c -._ ._
7 _ ;q.7p,4_ _T qJiQq4
.g 7 pL K,.Lpq _
l 10,000 -
-g7y.y g-g 4_gg _7 y - -
7 j j .. q_j lJji J.Z L~q.,_ g p_ 44 41i _;_{ _164pp-4 J_p44-4..i t 1 .#.J 1 J j. -.1 __ p g_j -.g. 3
.T UNACCEPTABLE
( i l 1 1 ! 7,i_I i 4
,i
.p . g_q-y7 gq.dTF + t- M H~M Mihd~
l 5'000 JJi UJJJJ l
-l t 1. 4 i
JJJJJJJJ.4 __iiit': 7 --l i i r r ,ig i t i J.lJ J .. n J J - A J a p1Jl i , >t .- l
-( g(
3.. g(. p-g 7 3
._.,-. p 7 0
1.0 2.0 3.0 4.0 5.0 Initial U-235 Enrichment (nominal w/o) Figure 5.6-6 SOUTH TEXAS - UNITS 1 & 2 5-15 L
Minimum Burnup for Category 6 Fuel Region 1 45,000 , . , ,
, ,,,, , ,,, c g _ ,_
q _r.,_ _ g ,_
~ '
.Ti i r ~i , _~r _N~L"1k-.4,T.
~
initial it
~
Minimum _ _LL _ Enrichment Burnup _ JJ !J 40,000 (w/o) JJ._L!J.[Il l _ JJ[L _qll l_]'_. (MWD /MTU)
-j 7- l
~ -
1.7 0 _ T.- _T - 1 '_- T. _
+- -~_~_ _ _
~' m:T_-
2.0 5641 Jjl ,_,J_nl IJ E 35,000 J. 2.2 8986 lI l i i il D 1 2.4 11954 -
---i '_-h_4JJ._h_- hd- _t,t, , h, - -f-d -
2.5 13318 I g 7]..__u. . r_ 1i l 1_ .r _p.i _,!_l._.
! i I 1 7
3 B 30,000
-7 2.6 3.0 14619 19444 Q' 4j ;--!--jj y[p i ,
-q-p}y 3 i 3.5 25280 , ii, l ; I. ~T~T1h,T"L J1
-*~
E 4.0 30965 ._
'_N_7_7.._-
J-_ - q_iLLWJ_.4_ 4.5 36382 - J--_1_1_ht4 E-i
-t - ~ 1dt- i, i - @ 25,000 '
e 5.0 41547 - lil _ p_-Li_ _}l1'~!j+l}'._p _i _p a i i g ..
.pjy.4_ja...j_ _q _qyj -j-p LL q1gj7 m 1 M,. _T. hr.1'~
T C_,_. - h 3 ' ' ' TJ_ n M._.-,F+F ~' H 'F_.7T b 20,000 _' ' ' ' l'!
' ' i
' J-' E.
E .b ACCEPTABLE -i +2 ri Ji-Ae' -H--lP -i-i - Y i 2-j -i-71 pg, _j_p.pp jgg,1, '-
-4 --
q g . _ _y . -.,_ p 7.7_ 7g4 ( y=g4.gj_q7-
.( 3_m_3 g
< 15,000 , , ,,,
,._7; wy, 1_- ,y3(__ , ,4it, , i,
_(, , ,._..._1_4 , 3y, ,4 i- ,i_(,,,,_(. 7_.( y___7 , _ j . 7 -._ . _ _g 3 _r I i
#j,
, . - _ . . 7,l . . . .
l 4_el ,! _ .4' ._ i ..i 4_ . ._.]' _
; 1 1 _l.il.-l ,,l .l. I . . l . lI _ _it _.4 .y _.l!I t i , _4_. .i _i __ f .. _a a ,l .._ .
7 g q _ 7 9l g[_.t g _q'_7 . g' i i tg_ j {_ t i q_) .g_ j . t _ 7 _ _ I 10,000 1. ai J J . ,, _. . . ., i a. 1,i m.LL o, J , 1i ,! i ,i i i l . im 1 i i
],T Jl ,II UNACCEPTABLE 7 i -.i ,i _
gg7,,i.pg g q g _p q.4, .a ,,_a,~ gggy ) piiil . . _ . - , . , _ I i ') l I i l l j l ' I i, n. I ' i
! I ' I 5 000 s
i . .,i _ l i i _.i.q' q? . t i
! ! ( i t i 1 I [ i .
I l l ! i l J.l 4 _.; ._t 7q_;..p q _+_! - 4 q__7. 7- q _ tj l.7- 7 7q - _; . 7_u l j {. 7 4 _ . - - ..J _ - _p - _q . 4. p ]_ -- j 7 d ~7M ,h,_b ,i P . .
, _ge, y
- q. % _j_...,b ~ 2 "-+ IT-i- L d' yd q _i 1 i t1..y q 0
1.0 2.0 3.0 4.0 5.0 Initial U-235 Enrichment (nominal w/o) Figure 5.6-7 SOUTH TEXAS - UNITS 1 & 2 5-16 _ _ _ _ _ _ . _________ .________a
Minimum Burnup for Category 7 Fuel Region 2 60,000 -# 77 4. r, Fr_+ y y#._ .r, i. 7 q . H..,_e M, - n g, , Initial M,n,imum - y 7" T
~r4 7 ---t. e'r"+ +' r - g*Tf f- 1- Fr' +' vTt"b i
_p - 55,000 - Enrichment Burnup a_ ,
-.l_ j. L, J a L (w/o) (MWD /MTU) r d_4_q.L,LJJ_p p L -41gJ. _
ma hp lk y .-
.v . . 4 _ .J 4 __1_L.y]..q.
_a L 1.65 0 _p4. p. t L1.J _.p - . 7jf_'Ita .'x '1 _ 50'000 4 u- --F + 1.8 4366 ,
._ F--H4-7 m M-1
_u.H_ _L t1_F__.7_H_?y t-- r 2.0 9594 -
--+-
+H J o+ T ~H - *H r
+-
-+-
45,000 T 2.2 14013 ,;, r 4 1 l- 'lr o T 2.4 17546 ~. 7T ,TTI M,+ Y T t i
~
g E
~
TTr~r Yq+ y Y.7 M -+ 3 40,000
.T.. 2.5 19045 n' m; ,v4-F - r~ t'-f~r'T'
+
2.6 20392 x m ._._ x g 3.0 4-Ji.q aq4 25096 - t E _p, _7._ _p gp_q_]tt4_ _r.p 4,7 3.5 31083 - _;qarp_7g,-- 4_ .
- 35,000 4.0 37157 a ._
- . .. i
.1} .7 y_ 4 2 2_+,
4 3 4.5 42826 - l+-tty - Y+-- E s 30,000 I 5.0 48158 T TN ft E r T TT p~22 1 ~f 1 m .4_4A +#FL a_F *.4."Hi 21_g._ "! -FF HFF q_ 3 _pq4pp7,._i_.e*p. p7 4pppg qr a ._p+_p+4 g4 H_q-H.7_7p_%' 4.J_ ii-H"L_ ,4 1 7 r n a- -+- 4 47L7
, 25,000 ml.
--+
E. -9 1
- ACCEPTABLE
_r _7y__ggo 7
+-1 4-4ll.'
l ++--- p_-4 g4 r"_ _ Si- r+l l ' u' _al ' 7 +-4 1,_ 4_ , pq+g w pagg 74 p3_p7pf_ 43q.7 , 7 g _.. 7y- . m 77- 7_77 _7 T p77 __7 . 7.py q ,_q_r7
< 20'000 ,F _+ 3.__.F F y:_ilH_.t._h_
H i .j,Hi,t,_
, 7g ..__.q._._._. F. g y_ _ pl_ "_4_... _l_
*HFFH._ _*p_ _{. _-2.pj ..pq _7pp _{ 4J__t 3 ., 7_h__gL_. 4p4_ L JJJgq_L f _ pg _ y.
. _[
.. j
. _p 15.000 a pq
. . pegq a q q _y __ _qq_ qq_
._ + t_a_q _._t _ 1.
_. q _.4 ppg.Aqqa4 UNACCEPTABLEAq._a+p_.7[ JJ g._p7 .4 f. l_4Q h . 7+y...J__p_u p-r, 44u-4+ 10,000 m muqa ,e 14qwm _u JJ q m .t 4! a.aJa L_ugaa+ J Lt . t _r; Q g },_.)
.#. axlx.;_q.1u ..?
J u.4J 144 ' _..1; + 1 Lu- _4g n.. q 4 H g __fgAL 4...j4 q ppp{y_q qay.. -q7 q +7 f g 4 5,000
- g. , !
Hi+ M_ -F7 x4+ M. Hi_g"_+y Hit _7H+i.. 47 3...y.3_,q_,H.j* .g7
+_r +4 7.q 7T,_p.
.+
H i, g ,c--, p ,h 0
+m , ,
-y rh47m3 m
-c 1.0 2.0 3.0 4.0 5.0 Initial U-235 Enrichment (nominal w/o)
Figure 5.6-8 SOUTH TEXAS - UNITS 1 & 2 5-17 L___________-_____--
Minimum Burnup for Category 8 Fuel Region 2 55.000 n' >c l ' - <>
- pa q_ >>_m a_ J_4_ __. Jl,d__yy I
.F Initial Minimum -
pg' yJ +, r _-Y p Enrichment Bumup iTT 7
~T T Ti- 7 H TIT bh._ i ..
[ 50,000 (w/o) (MWD /MTU) i p -4+ dd.tp H.qL _J- _4 +q_
,g7 l _.__ _ _. _
+. -
f 1.4 0 - tif}+brj + - - -] +77 r 45.000 1.6 4524 y- _ 44 ,!4aa44a p aJ,A_ 1.8 8678 T 1 p. _F._M J4J ,q._- Y' 74.P_.77_j-_7]_-d*J
~
m 2.0 12391 7 77 - - 4 47 J 74phy "3 p., 40,000 T 2.2 15624 ,,i4 , ,, 3 _7 y 2.4 18456 41-...TM~hi,Y
--',J-m - --j -+ l--
7 r-- + 8 $ 2.5 19755 : 11p4Lh_ ' iZ:EZ1_.f 3: 35,000 2.6 20996 l , 1J _ , l, _w _1_ _ _l_JJ . *JJ J .d._, , a_
~' ~
E 3.0 25634 - i.7b 444
'a#_j ar"J--
1- 35 31396 - * - l-+-
- c. 3
_- J ... r H '- + - H-- "'J J-3 30,000 4.0 37084 E Y M 7 + 77YY._.Ib
~
4.5 42471
.. ( 7 '3p 37g~IYhj l~tYf~
CD T 5.0 47589 -
-~ +--- -
.J J_.'p__4pp 7 4 _tt.7 7 _tT+tp; ri-7'.':<
I
- >. 25.000 i1 4 ' i >
> n o u n a2 1
} ' ACCEPTABLE i ~++qu - I2-h"Lb M_iJ aJ 4- 4 Ja M -li l
+-
tr +J+h thi E, t , e m 20.000 l-trt-n-t er i -F h 4t rM { m
.cc JJgqaaa44_
1 4_4 a4u q4 4 ppp;_ppppp _pppppq_4
..pl J-+- r - -
L. _.4 g;qg'q+ 7.t
-7, g. 77 -i f , 77 H_,- . . . . . -._ UNACCEPTABLE _-b-+t-7g 3 7 u 15'000 _
._ .pp w 7.i+ p,_7_H-H#__
FHtl
. ., 7p.4_3 _p.7 4
.F_H F._H,y- 1-M, , +_-_,F_F.
_Lgy..p-J ..j_y_. L p,_ j ,__gJ..._ _7 q_ .y_, q . ; 9_j_p44,__g y1 _7 7 , ..L 10.000 .qaa p q qq- u ..u;4._ a4 a .u#pgp1+.. y_. pp2 g.a+,_wq . p p qu yq_p.g.+_pp q y_q_g. p 4gqq4,7j_j g _ y F g. . 44 i rp q,g_ 7 7 _ 7 7 7 r ._ 7 7 g%.7. ..g,_rr
,, ,p 77 5,000 _
4 _g gggp ,7 g_ gtg _ _g_
- 7. _7..q_ __p m,__ m 7 7 7-
.. p u4 7 _7._ y _r7_7 f .y p ; p_4-_..j _ .._p .. g .a ._ 74_77_.y q.. ..g{J g .p 4 ._.L Q4_g; p_ 7_ .4 0 i 1.0 2.0 3.0 4.0 5.0 1 Initial U-235 Enrichment (nominal w/o)
Figure 5.6-9 SOUTH TEXAS - UNITS 1 & 2 5-18 w________________
Minimum Burnup for Category 9 Fuel Region 2 60,000 ,,, a-
..I
,,n m . , ., 1. ,;Jy.4-;a ,4y 1 J J ; 4 _; +
# p. .g a-
-.F- Initial Minimum H F
# h_ t _-H--H -
y' 55,000 Enrichment Bumup .iH.-. rl t :l-l'.
. ll MNEl 1' (w/o) (MWD /MTU) C _iid, ifiji
_- _ a J_ag_LL # ;. .a a r t 4 L>'- Q .. g _.p L. a_ 4 u;t ta.14_ q/ . 50 i 000 4 1.4 0 4a u
... g u n
' t -
4 1.6 5346 _.J al.p. ' nU' q.# _j_a _ ..u_..J_>..t .. 4 1.8 10179 l-t- H -+- _p_ir ~_1_-Y" h 45,000 2.0 14398 y m _;,, .n
,,, ,, , , , l , ,,4_.. l
._y, y yt 4 3 ..
. , . r tit -t_7J c-trFt1 -
g 2.2 17943 ,- it 4
.P y~ T E p 2.4 20931 _
m' ~r.. ,i J_4_p . ' ,i.+_p ~ y .1T.iT,i i a_ t'y _~~ O 40,000 4 2.5 22266 ;l l,l ,
, l 7-g 4. - 2.6 23521 y
- _J,"_._4 4 4 q_
-+a*A.7 g au..41qa_ gaq' _taHC r a ,F_ u 2 E 4 3.0 28146 L 1jmL, _i_
- 35,000 a
3.5 34039 ,p a4 lJ. 3.,l'_ppl _,ll< 4"l'7' 3 g . 4.0 39969 . y_t.r.t.
- t_=p i+
-4l T-t r+- y u -
4.5 45571 Hr 7 ti mtl_L' __., fbr-br W.7Lw*. r-ms 30'000 4 5.0 50898 fj+.q j+p.j+
.g44 J-pl-tpp
% . b i g. ; i..i.
_f . 4 7.,i__i _.i i i 9__p_; i 1 ....p {' r i. n g,. 1_+ t _t +.t _.p.p rt- td L _vq.;-_L
# a-7' 7_
t'
. l mL. .' ,p
.-ql,llll{4 JJa_u E 25,000 r ACCEPTABLE +; ' r,r- , F T!,,lr,l mlHT.1, 1 l ,
t - n , --+ g m _ ,r ._ y_
.g_p. _.q q .7. . g.
Fr tr jP ,q .v4 r -m.q_ q p.d._.77_,b J-.7_ g 7_ 7 _7 p g_e _p774 g_1 ,7 p7. g. .._p_ , ._7_, 7 ... y. _7 _7
< 20,000 ,,, ,.
g 1,~_ _ , W, _ _, _F r,_P 4+_ _ r, _ T... UNACCEPTABLE m i rt~c~
.. J ed a_.
y t 4... __3.. . L14.L.14+q p+ ,_, _JQ_ ... . . . . . . . .4 4 H a + g q q q t I_4 J J.._[FH + 15.000 aa qu+ m p_ c A np2a4_Lp L .p, p -g. _ a ga.to4_, _ . q+q _ - d_.__4J-ij_ m g. 3... q.- ; .u_L 4.] ' M. 1Ew-H..+,_t. 4 J.5 ,_ '.j_ h H_ -_i.a", ,L.H.,t-F.1 t.yHalt.
# m. _...- '
+-
10,000 u.' u tu u
..pgaas .1g
.f, .a _ . . . p 2aL +m w o2 au q .au n+q..'1 a1 4 44. i n L_ qi . . . . +4.. .ql . au.aa a q _j411.; p.g 4 p _ 44 7 7 4 424p. 44 - a .4 4j .-44_rj[_.J _ p_4 J a..qg..J L qq .J4a .
5,000 aq ju_q_u .p h_q m_. ._ a_ _L g_q ntgyq.t p a_ . u_up a m ,u a_ up n q q _. q , _. ,p._. _q, _pr.y. _.1. . . _pg_ _ J _4 4.,r,4 9. . 4,_a _ ,{_
. p7 j.J j_
_}]. .q._ q .. pjJ4La4,p. _ . .L _[..j -4. q .. j _ _]. _ -.. _ {4..q ij .J- q _L. l 0 l 1.0 2.0 3.0 4.0 5.0 Initial U-235 Enrichment (nominal w/o) Figure 5.6-10 SOUTH TEXAS - UNITS 1 & 2 5-19 i
I 1 Minimum Burnup for Category 10 Fuel Region 1 65,000 y,, 1 _,._(. 7.4.
._. a_
7i y., , __ q .,4 9_7p_ Initial ,q- 7._vrF-t 1- .q .v t 1 .nv4-t-t 77 t 7 Minimum _ 7777 ppg 60,000 Enrichment Bumup _ _a_ . a_ , 7 (w/o) (MWD /MTU) _a_j_bq_g_Y_7 J_~_'q_q_ 4-T _ 7 g _a_ _ ny . -4., y _.. u
,i 7
55,000 a 1.4 0
' ' ' r. '
-.H _.-sp4q' a4 q 1_a _p
.. - . 1.6 5273 --, tr,7j J+-- +yy r _]+-. '_.t_ rt 4 , -_
7 . 50'000 - 18 10019
~
+""'* * ^~ "77 2.0 14145 ".4 + 4' H H -i +
4 q" + "4t! _r_F H_ds _- n 3 2.2 17652 ",~rf,r_4--I-l-_ t + "4 J ++s
+-
l F E 45,000 2.4 20705
- H trrF ;-r (-- e r - -'4 -_._ l 9:
,._ 4 4ap- 4
+ ja+04bE ' _ 4_ _. g+l4_ _.# _
8 2.5 22143 - 4 - g 2.6 23561 _7__
-t- H 4 -r4 4 +_._.__.- +FH+
E 40,000 4 3.0 29329 -H-H+1 - + F
~
,T 3.5 36715 u-F --H rr+ M._r_b'_ -
a _w{n1 _-
,_-~p _ _
u m 35'000 4.0 44096 n ~P"7 H11t ~~~b_+t
-+t+bb E -+r
+ 4.5 51352 .. -
+ +"H+l+y a
w t. . pH__,_-i.*at" m --i - - 5.0 58325 , ct7tijr
>, 30,000 r -
, terc e mr mvf+P re- t I
g_g %.puqqq+ q__gu+g g 1 a_y4 pa+g_ aaaq+b+F 7 = 3474 _ -_.-_ _ _7_ .m .._ l , E i, ACCEPTABLE R, . - g y. 4 w1nt-t en _r147 Pt y_,_9+_.44_ _77p' yp'+ e m 25'000 l tFW3.
..+H... 9+
- H,H. i+Hii-F m gp 3,
_ y+ H_7. ., ,y 4,+_ca b. ,"4_H-+F_ _.7_ "+ _4 "3 7gy
%py77
.. 4, . y __4
<(
-~1- _{ 4_gj 1.. -_. _1_
-e 20,000 ;; ;'4 +. g:. _ ' _.. ; UNACCEPTABLE -._; p .
.Laq;pp +pp_,+a _ 49 a ...pi_d-g J
- u. _
7_3t 77 ,+rp,-- 7 J eq.y-h_4,_
.ny p trrr+4-rl-tr
_r.,n. .._p+ rmyyr_rn -g r n--+i-H1- ~+ ,,t.,rF,,q_ 15,000 oa_qua m
. u a 2a
_,y_ + _pq_ g y g #g yaq+ _j__ap a_m_[. aq.y_7 pa __y _+7
,+q r+
. q_.1 J .}g + a e rrn-&tr
[.wp3.. g r, .." , -t" -F P P + i t t- rt--r Wrrit r t cH Tr & T'
-d -t7- mr- r -H +;
10,000
,.. r m 7+a. _ _ _g -_- + ny.-~
, , g, r. q ,, g , ,,_ 7.,, ,,
y y7 q g,. y y y,,,7_.~r_..w#m _._ +ttYr 7
-WW yyr-4 3.y7 p_,y y ,r t,,,,2
_, -M --H++7 4gn n_- 7m.-,4
.7 g7 777 5,000 .g q+pg+pg
.. _. .. , _. - m-a +pg a +p.+ +H ._ LHH 4 t
_~ts .2,_ rp L 7g+ 4. r,+_y_
...y~ ! _.g . - } y.9
,4g _ 4 1_gg _p j_p y.qJ q_H p p 7_+ _7 H7 r _ _jg7_7_
7 7m+y _.7.py. g yyuy77, 0 1.0 2.0 3.0 4.0 5.0 Initial U-235 Enrichment (nominal w/o) Figure ".6-11 SOUTH TEXAS - UNITS 1 & 2 5-20 L _____-____-__
Minimum Burnup fcr Cat 3 gory 11 Fusi Region 2 60,000
- tax:1 :;aq ; tui :n;ti: q : art a,m
_4 _. _g _ 4_ n4 _r g t._ .:a=.
- _4_r,
+ _m .p , _7.. a1 _,_ . g _
_p 1-t Oyear az'$_., _n, _ 1
+.1 -..,4
;: ,1 4y.;a7r.o t
-122 4._ m:+m:
_t..L ::nntt car 4,: _+i _1 ti-" a,n r- -4.-...g g ;1 _%q aq. t:t y_g-an ;i starn% y_ _ ! nt t 4 ;- _. , 2 year
.- o _!,J - 14,.q_-
- ; : r-4r -+ -
S ycar I
-. 50,000 . + + 4m _4 _4 _4 _, _ _++,_ L4 % _. _ _
$:1__t>_ ..
10 year _+_ n +_ ,a + n r. s D m,_-. 3.; .. . .. ,%.
. m.,_4 , n_._ _-n._ ,.y.
,. q _4. ._ . ,_
g _.,_ . F- :t:p . _ _ , 1 Tjgst - : + -;%n_+ ty:
,_ m. _ g .
.11.; f T_ -_hj a3:
F 15 year y -4 C p y;; _yy;r}t-f:
.7 _3 3-_ _
._a a 20 year
, L --tt-}d:
Q
- tq:: ACCEPTABLE x10
+ + -jx~t:
E 40'000
- _- -w 1r/jf' . _ 7-t* 5 21 - xtz1 nan:"
- m. " 4 - f -t +tTT _L. _1_1
, -.4_+_
"1+tCr :{ .l ~~j:
2:
..t _ d j:*h q
al _t:*- 7 ff* f_4,_7---}:-
;2: p_Lt L Z4:j' i
t-
- y_:1 st-4 -4 t r_,33: q__
m artxt _7_144 2+ 12:got: m ;2,1 E ms 30'000 4 12 q:217 :!:5Mr d:: i:E ax.y j
*ar :+1:n,_ti 4
~*
71,_ M. m _4 ot~-tmp
- a 233:: 1 tar t
- 1x14. tt .: C+4 Ox t.1_;,: '
triz; +p 'g)Ciu
* ...+. .
_4_ + 4_ _ _. : n cy{rtut-* :j )g:1Z "[tgrg 7q rt-l o 1t
.x E
rtuar zhtt1 z tm
*g 20'000 m;;je :nnr* ".
h rt rr g* ;g
, x st f =tst:
22 3 v n :1:+4q 1: :Llar rg 1-d-ryr-ryw +px 1 in*n = 1:1:1-f< ,4_r- 1 1;rtz ; ) q m ;:? 11 _#._ L: _. a r _ 4_ 4 a_11:adst _w. _.p,_
._ UNACCEPTABLE
.. _p y_13--21:+
e nt$ 1 m;.d t t m: %;:_ m ch::: 1- 1g-txt { 23n1:
- q:$31 g,a131. tnt t:
2 10'000 1, . .t1_.ann-! cht:11 :. st: -txt: 4 ntz;r tztztr x;ax; m _tg-+t; : 11 1 aaqx cxt_1 11 W{ngtarn. g- 1;n.t3 t
- t dt4
- f:31.1 tr- 13 .t--+gtaj 4_,_. .. _ _
_# ot:r_-*t_
+4 ots4_a _1 y __t. x t_=! _m t x l
. _4,_a_-
4_ ._4. 7_
._+_.4 __e 4,_..p J _. q
-4 9 ._
_4 _w4 4_. _ _,_. --t --f -- * - M4_+-t--* 4 4 _ , ._ ---+ --+- 4-4 - --i ---f-_-.w+- * -r ---+ _ . 4 -I_-r -
+--
l 0 tt,z $ tzt d+: r_4ar sta nt t trict dnzta: :1mnt- :tLpp - 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Initial U-235 Enrichment (nominal w/o) , l I initial Minimum Bumup (MWD /MTU) Enrichment l (w/o) 0 year 2 year 5 year 10 year 15 year 20 year 1.2 0 0 0 0 0 0 1.4 6533 6188 5807 5384 5113 4937 1.6 11912 11298 10613 9843 9347 9018
)
! 1.8 16021 15221 14313 13282 12606 12149 2.0 19209 18285 17221 15992 15177 14611 2.2 22150 21130 19939 18543 17609 16952 2.4 24988 23888 22590 21050 20012 19276 2.6 27732 26563 25173 23507 22377 21574 2.8 30389 29156 27686 25912 24700 23838 3.0 32967 31669 30126 28260 26973 26057 3.2 35474 34107 32495 30550 29192 28226 3.4 37919 36481 34803 32787 31363 30348 3.6 40314 38807 37064 34981 33493 32432 3.8 42669 41098 39291 37138 35591 34485 4.0 44995 43368 41499 39267 37664 36514 4.2 47300 45629 43697 41374 39718 38525 ; 4.4 49582 47878 45885 43459 41753 40518 1 4.6 51838 50112 48056 45519 43765 42489 4.8 54065 52325 50208 47550 45753 44437 1 5.0 56259 54513 52336 49551 47713 46358 i Figure 5.6-12 SOUTH TEXAS - UNITS 1 & 2 5-21 l l l 1
l R gion 1 All Cell Category Category 4,6,10 4,6,10
.jCategory Category H 6,10 4,6,10 J J
Region 1 Checkerboard #1 ) V/////I,
/ Category y :: Category ::
y 6,10 / ::3,4,6,10:: j 7////4
- Category :: / Category j
- 3,4,6,10:: / 6,10 /
V/////) , l Region 1 Checkerboard #2 l
/
'/////
/ Category / Category
/ 6,10 $ 4,6,10
?/////$ -
ategory Category 1,3,4,6,10 10 l l l Note: These configurations can be rotated (90",180*,270') provided that configuration interface requirements are satisfied. l Allowable Fuel Categories for Region 1 Configurations Figure 5.6-13 4 SOUTH TEXAS - UNITS 1 & 2 5-22 L_________________
l R:gion 2 All Call I Category Category 11 11 l Category Category ) 11 11 l Region 2: 3-of-4 Storage Region 2: 2-of-4 Storage r - - - - . - - - - - ategory l5, , 9, 1 : Empty 2, 5, 7 Empty 8,9,11 l Category Category 5,7,8,9,11 : :5,7,8,9,11 : Empty 2, 5 8,9,11 l l l Region 2 RCCA Checkerboard #1 Region 2 RCCA Checkerboard #2 f///// ///////
/ Category j Category Category Categoy g
/ ' with RCCA
- with RCCA
/
' //////
f // Y
/ Category /, Cate0 7
/Categoryj # 7' 9
. Category 8 / 8 / 7, 9
/ / with RCCA
'////A V///A Note 1: Category 8 and 9 fuel can be substituted for any and all Category 11 fuel at the periphery of region 2. The periphery includes: celllocations next to the spent fuel pool wall, or cell locations separated from Region 1 by one row of empty cells.
Note 2: See Technical Specification 5.6.1.4 for provisions for storing non-fissile items in empty cells. Note 3: These configurations can be rotated (90*,180*,270") provided that configuration interface requirements are satisfied. Allowable Fuel Categories for Region 2 Configurations Figure 5.6-14 SOUTH TEXAS - UNITS 1 & 2 5-23
Region 1 Boundary Between All Cell Storage and Checkerboard #2 Category 10 Interface ..
\...........ly2 Zl ,..
j Category 6 or 10 Category 1, 3, 4, 6, or 10 I b i Region 1 Boundary Between All Cell Storage and Checkerboard #1 ; Interface Category 6 or 10
\ "
Category 4,6, or 10 7 := p 7! ="::: 7
- f!![
ll llfll Category 3,4,6, or 10 Note: 1
- 1. A row of empty cells can be used at the interface to seperate the configurations.
- 2. It is acceptable to replace an assembly with an empty cell.
- 3. See Specification 5.6.1.3 for provisions for storing non-fisslie material in empty cells.
Figure 5.6-15 1 l SOUTH TEXAS - UNITS 1 & 2 5-24
Region 1 Boundary Between Checkerboard #1 and Checkerboard #2 l E E E Category 10 Category 6 or 10 m Category 3, 4, 6, or 10 Category 1, 3, 4, 6, or 10 1 Region 1 Boundary Between Checkerboard #2 i
)
and Checkerboard #1 l l Category 10 Interface i Category 6 or 10 Category 4,6, or 10
. Category 3, 4, 6, or 10 Category 1, 3, 4, 6, or 10 Note:
- 1. A row of empty cells can be used at the interface to seperate the configurations.
- 2. It is acceptable to replace an assembly with an empty cell.
- 3. See Specification 5.6.1.3 for provisions for storing non-fissile material in empty cells.
1 Figure 5.6-16 SOUTH TEXAS - UNITS 1 & 2 5-25 _ ___ _ _ _ __________ ________ _________ _____ .__ _ _ n
Region 2 Boundary Between All Cell Storage and 3-out-of-4 Storage ll Interface
- !yyngi Empty Empty Category 5, 7, 8, 9, or 11 Hi
!!I 1
Empty Empty i Region 2 Boundary Between All Cell Storage and 2-out-of-4 Storage l Interface Category 11
\
Empty Empty Category 5, 7, 8, 9, or 11 Empty Category 2, 5, 7, 8, 9, or 11 Empty Empty l l Note:
- 1. A row Gi empty cells can be used at the interface to seperate the configurations. l
- 2. It is acceptable to replace an assembly with an empty cell.
- 3. See Specification 5.6.1.4 for provisions for storing non-fissile material in empty cells.
1 Figure 5.6-17 SOUTH TEXAS - UNITS 1 & 2 5-26 i
Region 2 Boundary Between All Cell Storage and RCCA Checkerboard #1 Interface Category i I Empty Empty Category 9 I [ Category 9 with an RCCA Empty Region 2 Boundary Between All Cell Storage and RCCA Checkerboard #2 Interface
\ . ...... _
Empty Empty Category 7 or 9 Q < 8 Category 7 or 9 with an RCCA Q Empty Note:
- 1. A row of empty cells can be usett at the Interface to seperate l the configurations.
l
- 2. It is acceptable to replace an assembly with an empty cell.
- 3. See Specification 5.6.1.4 for provisions for storing non-fissile material in empty cells.
Figure 5.6-18 l l SOUTH TEXAS - UNITS 1 & 2 5-27 w___________-_____ - _ _ _
Region 2 Boundary Between 2-out-of-4 and 3-out-of-4 Storage
=
;;g l Empty Empty ;jg Empty
!!j E!! !!! = !!$
!!g j!! !!! Ei
!!I I!!..i!$ EI
- Interface "'
"IH"" E Empty Empty .! Empty - Category 5, 7, 8, 9, or 11
\ .........
qiiiiiWi
=" !jf Fmpty Empty _ Category 2, 5, 7, 8, 9, or 11 1
In Empty . :- - ::; Empty 9_ :: j ' 3 Empty Empty t s _ h : Region 2 Boundary Between RCCA Checkerboard Storage Patterns RCCAl .RCCAl lRCCAj RCCAl RCCAl CCAl Category 9 Interface - 222Z IC5) :RCCAl O .RCCAl 'RCCA! Category 9 with an RCCA
\ ........ - E RCCAl Category 7 or 9 I
[ Q 'RCCAl .RCCAl Category 7 or 9 with an RCCA (Rh : RC 'RCCAl ! RCCAl W) Note:
- 1. A row of empty cells can be used at the interface to seperate l the configurations.
l 2. It is acceptable to replace an assembly with an empty cell.
- 3. See Specification 5.6.1.4 for provisions for storing non-fissile material in empty cells.
Figure 5.6-19 SOUTH TEXAS - UNITS 1 & 2 5-28 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _. _ _ _ _ _ ]
Minimum IFBA Content for in-Containment Rack Fuel Storage 40 . I l l 1 l 7 q __ _ql __ __ _ _ _ _ _ . _4 7 4 ._ initial Minimum __ Enrichment Content of IFBA Pins
^~
(w/o) l E 30 l
! r -
l E _. 4.5 0 I , 4 4.6 8 l
-4 l 4.7 15
^-
+
CD 4.8 22 "I-o ~~~ 4.9 29 ~ ~ ~ ~
' 5.0 36
~
.8 20 [
T~ i E - I' l l o , z __ ACCEPTABLE ___4 _ __ i _ ,_ _ _ j _ _ _ . E ___ l i 3 . _ __
.7 i
h10 j ! l UNACCEPTABLE j L : I l l I I ' i ! I
--_ _3 .
i i l l _q ' 0
)
4.5 4.6 4.7 4.8 4.9 5.0 Initial Enrichment (wlo) ! Assemblies with an initial enrichment less than ' l 4.5 w/o are ACCEPTABLE Figure 5.6-20 SOUTH TEXAS - UNITS 1 & 2 5-29 - _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . - - - - - ------.---.-------.-----.-.-----I
Minimum IFBA Content for in-Containment Rack Fuel Storage 40 , (_--. _ __{__ _ ___L___ Initial Minimum ._ _ _ . _ ___ _ _ Enrichment Content of g l (w/o) IFBA Pins E 30 - E _ _ _ _ . 4.5 0 _ _ _ __ _ _ _ . _ _ _ _ _ _ _ q 4.6 8 m --- 4.7 15 - - - ' - - E . . - - 4.8 22 -- __ .. - _ _ - - o _ . . _ 4.9 29
' 5.0 36 l
E 20 - E __, _ _ _ . __ Z __ ACCEPTABLE ,_ d _ _ . _ _ . 4 _ e .I _1. L 3 __ _{
.E +- 1
-t i l h10 UNACCEPTABLE p q _
_-. l I -- -__.-
,__ __7 0
4.5 4.6 4.7 4.8 4.9 5.0 Initial Enrichment (wlo) Assemblies with an initial enrichment less than i 4.5 w/o are ACCEPTABLE Figure 5.6-20 SOUTH TEXAS - UNITS 1 & 2 5-29 ' i - _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _}}