ML19209D104
| ML19209D104 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 10/03/1979 |
| From: | SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19209D102 | List: |
| References | |
| NUDOCS 7910190408 | |
| Download: ML19209D104 (15) | |
Text
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RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS Design Features 5.3 REACTOR b
p 7 Q fjIl Specification ruba oau d 5.3.1 Reacto. Core 5.3.1.1 The reactor core con t a ins approxir'a t el y 93.1 me t r ic ton s of slightly enr ictied uraniu-dioxide pellets.
The pellets are encapsulated in zircaloy-4 tubing to form fuel rods.
The reactor core is made u p g {,' g' 177 fuel assemblies.
Each fuel assembly contains 2C3 feel rods 5.3.1.2 The reactor core shall approxinate a richt circular cylinder with an equiva!er{q d ia et er of 128.9 inches and an active height of lH inches.
5.3.1.3 The average enr ic.!-en t of the initial core for Rancho Seco is a 2
noninal 2.57 veicht percent of U 35 Three fuel enrichments are used in the initial core.
65 5.3.1.4 There are 61 full-length control rod assemblies (CRA) and 8 axial power shapi ng rod as ser,b i les (APSRA) distributed in the reactor core
_ E!' ':- t' CD^ r ? " * -' -
' 3
c; ;F.:. -
"" 'I p r:.:..' ': :.
i nc h length of silver-indium-cadmio" alloy clad with stainless steel.
The APSRA contain a 36 irch 'eng t h of s i l ver-i nd i u:i-ccd:li u. a l loy clad with stainless steel.t3 5.3.1.5 The initial core will have 68 burnable poison assemblies lith similar dimensions as the full-length control rods.
The cladding will be zircaloy-4 filled with alu,inom oxide-boron carbide pellets and placed in the core as shoin in FSAR figure 3.2-2.
5.3.1.6 Reload fuel assenhlies and rods shall conforn to design and eval-uation described in the FSAR cnd shall pot exceed an equi /alent L3>
enrichment of 3.2 weight percent of U A reload core may also have burnable poison assemblies '.ith dinensions s i: >i l ia r to the tull 65 length control roJs with materials as <pecified in 5. 3.1.5 5.3.2 Reactor Ceolant System 5.3.2.1 The reac or ecolant syste. shall bg'es ignc d anJ cons t ruc ted in accordance with code requirements 5. 3. . 2 lhe reacter coolar, a ste, and any connected auxiliary s v t. t. " s exp, sed te t i,e reactor coolant cond i t i er.s of te perature and pressure, shall be designee for <. pressure of 2, 5 C' O p s i c, and a temperature of 650'F 1he p:ewurizer and prv surge 1ine temperature of 670'F.'3'urizer shall be desis;ned for a 5.3.2.3 the reactor cooler.t syste: vo l u. :e shall b-less than 12,200 cubic feet.
5-4 79101904o 3'
RAliCHO SECO UtilT 1 TECHNICAL SPECIFICATIONS Design Features REFEREliCES (1)
FSAR table 3.2-1 (2)
FEAR table 3.2-2 (3)
FSAR paragraph 3.2.4.2 (4)
FSAR paragraph 4.1 3 (5)
FSAR pa ragraph 4.1.
(6)
Cycle 4 Reload Report l65 hkIY?$$)
l17.5 229 5-5 Proposed Anendrent tio. 65
FIGURE 2.1-2 core Irotection safety Li.its, Reactor Power Ir. balance (Cycle 4)
THERMAL POWER LEVEL. ';
~
120
(-36.9.112)
CURVE 1
(+35.8.112)
-110 ACCEPTABLE 4 PUUP
-100 OPERATION
. (+59.5.96.5)
(-4 7~ 1'90 5)
- 00
( -30. 9. 84. 6)
CURVE 2 (35 8.84.6)
~
- 80 ACCEPTABLE 4 & 3 FUMP 70 OPERATION
(+59.5.69.1)
(
' 'b - )
(.36.9.57 4)
- 60 CURVE 3 (35.8.57.4)
ACCEPTABLE
- 50 4, 3 & 2 PUMP
\\
.r O':"',! : C:.
N' e5s.a.46.3)
, 4g
( - 4 7.1. 3 5. 9 )
- 30
- 20
- 10
-60
-40
-20 G
20 40 00 Reactor paaer icualance, CURVf REACTOR C00L'NT DESIGN fLO*. GPM i
387.600 2
268.374 3
187.S?6 ata: cia ss:o u:nT 1 x
Uw.s n n o.. ua..J TE0i"! CAL SFECIFICAI!CM s^c u m no "" C "^' """" "
\\ \\1h lE 6
FIGURE 2.3 -2 Protective System Maximum Allowable Setpoints, Reactor Power Imbalance (Cycle 4)
THERMAL P0ifER LEVEL, %
(-26,105) CURVE 1 110 (26.105)
If
- Sl ACCEPTABLE100
,F 4 PUMP e
OPERATION l
(49,90) 90
( -3 6,84 )
CURVE 2 l
l(-26,78.1), 80 I(26,78.1) l ACCEPTABLE I
70 l
l 4 & 3 PUHP OPERAT10N I
(49,63.1)
- 60 I
(-36,57.1)
, (-2 6, 5 0. 9 )
CURVE 3 l(26,50.9)
' ACCEPTABLE 50 i
4,3 & 2 l PUMP
- 40 l
(49,35.9) l OPERATION
[
in,i n n,
s ow,ms.sf
.e y
20
,l y
g nI n
n i
_ ig n
- l c'I x
i i
i 60
-40
-20 0
20 40 60 Reac tor Powe r Icbalance, f.;
CURVE REACTOR COOLANT DESIGN FLOW, GPM i
3S7,600 2
~2 88,3 74 3
187,9s6 Proposed Amendment o. 65 1173 231 RMiCHO SECO U.'il T 1 gne
'" " " *q :;g TECH"lCAL SPECIFICAi!CNS SACRAMENTO MUN'CIP/1 UT:LITY DISTRICI l
FIGt!.E 3 5 2-1 Red Index Vs Power Level for Tour-Pump Oper.ition, O to 160 EFPD (Cycle 4) 110 105 135.102) 100 (200.102) 95 SD IN OT (260.92) 85 040 80 75 (265.60) 70 SHUTDCwN OPERAil0N 65 L I f".I l RESIRICTED 60 55
[
50 (51.50)
(232,50) 45 40 -
35 30 -
25 OPERAT10N zu PERMISSIBLE 15 (8.15) 10 * ( 0,10 )/
.0) 0 1
0 20 40 60 60 100 120 140 160 150 200 220 240 200 220 300 Rod i nd e r.
L._
i i
i i
0 25 50 75 100 0
25 50 75 100 Bank 5 Bans 7 0
25 50 75 100 Bank 6 4
Proposed Amendnent ::o. 65 1173 232 RANCHO SECO UNIT 1 3'rijg"g TECliNICAL SFECiFICAi!ONS
" " ~ " "
S/,CRAMEtiTO MUNICIPAL UTILITY DISTRICI I
IIGURE 3 5 2-2 Rod Index Vs Power Level for Four-Pump Operation, 140 to 310 EFPD (Cycle 4) 110 105 (187.102) 100 95 OPERLTION NOT (200.92) 90 ALLO #E0 35 80 (2G5.80) 75 65 L IIII T
' /
OPERATION 70 SHuToo.N RESTRICIED 60 t
55 L'
50 (103 50) 45 (232,50) 40 35 30 OPERAT10N 25 itnniasiott 20 (15.15) 15
!0 (0.10) 5
( 0. 0 )
0 0
20 40 60 80 100 120 140 160 150 200 220 240 200 220 300 R O:1 i n:le x i
i i
y
[
i 1
0 25 50 75 100 0
25 50 75 100 l
Bant 5 Bank 7 0
25 50 75 100 Cank 6 Proposed A.endr.ent ?:o. 65 1173 233 RANCHO SECO UNIT 1 (9 ?' r]'-]
TECilN! CAL SPECIFICAi!0NS sicT;1m ', hema unun msucc
O FICURE. 3.5.2-3.
Rod Index Vs Power Level for Four-Purap Operation, 290 to 345 EFPD (Cycle 4) 110 105 (195.102)
(275.102) 100 95
~
OPER A T 10N 90
~
NOT ALLC#ED 0
OPERATION SHUT-)CwN RESTRICTED 80
^
LIMIT (236.30) 75 70 65 c.
60 55 PERMISSIBLE j
50 (110.50) 45 40 35 30 25 N
(22.15 15 NOTE THIS FIGURE VAll0 ONLY FOR OPERATION ATTER APSR WITHOPAnAL 0
0 20 40 60 60 100 120 140 100 180 200 220 240 260 260 300 Red index t
I e
i l
0 25 50 75 100 0
25 50 75 100 Bank 5 Bank i 0
25 50 75 100 Eoim b Proposed A!Zell6'"I '
1(.50. (35 1173 RANCHO SECO U."I T 1 g' 'lj((J TECll"lCAL S!'ECIFICAi!0.4S s,,cw..ono, umcira unun msino I
FIGURE 3 5 2 4.
liod Index vs Power Level for Thcce-Pump Operation, O to 160 EFFD (Cycle 4) 110 105 (135,102)
(265.102) 100 OPEEATION 95 99 NOT'ALLCnED y
85 OPERAT10N 80 RESTRICTED 75 70 65 SHUTCO.iN LIMIT 60 (232,64) t 55 50 (61,50) 45 OPERATION 40 PERMISSIBLE 35
~
30 '^
?S 20 15
( 8.15 )
10
-(0.10)
'(
}
0 0
20 40 00 80 100 120 140 ISO IED 200 220 240 260 280 300 Red ince I
t f
i 8
I 1
e 0
25 50 75 100 0
25 50 75 100 Balik 5 Bank 7 t
i 0
25 50 75 100 Bank 6 Proposed Amendment ie. 65 1173 235 RANCHO SECO UNIT 1 c' r, g r"=,)
TE0llilCAL SPECIFICAi!CNS sNJJ;,[,1r,ca,a uriun oisine i
FIGURE 3.5.2 5 Rod Index Vs Power I.evel for Tlirce-Pump Operation, 140 to 310 EFPD (Cycle 4) 110 105 (187.102) 100 (265.102) 95 S0 OPERHION 85 t01A m 0 CN 80 RESTRICIED 15 70 SHUTCOWN gg;7 65 60 (232.64) c.
55 50 (109.50)
[
45 40 -
0FERAil0N PERMISSIBLE 35 30 -
25 -
~
~
20 15 n su M,j3' 10 5
(0.0) 0 i
0 20 40 60 80 100 120 140 160 160 200 220 240 200 250 300 Rod index i
f a
I t
t
_ _t 0
25 50 75 100 0
25 50 75 100 Bank 5 J
Bank 7 0
2a 50 75 100 Bank 0 m
Proposed Am ndment '!a. 65 e
1173 236 RANCHO SECO UNIT 1 c* p rg"r1' ~~ }
TECMICAL SPECIFICATIONS
'J " '
SACRAMEtilo.'.iUfJICIF%L UTILITY DISTn!C I
FIGURE 2.5.2 6 Rod Index \\'s Power I.evel for Ihree-Pump Operation, 290 to 345 EFPD (Cycle 4) 110 105 (195.102)
(236 102) 100 95 OPERAT10N p
90 NOT ALLONED
,[
85 F
B0 h/
75 SHUTCC..N
,[
7g LIMIT 55 00 OPERATION 5 *"
PERPISSIBLE t'
J' 50 (11G.50) 45 40 35 30 7s 15
-22.1; NOTE.
THIS flGURE VAllD ONLY FOR CPERATION AFTER APSR
/
10
/
"ll!HORAWA L
'0.10 5
'0 0h i
i i
t i
i i
i i
i i
0 0
20 40 60 80 100 120 140 160 180 200 220 240 260 260 300 Rod index t
I e
i 1
1 l
I 0
25 50 75 100 0
25 50 75 100 Bank 5 Bank 6 0
25 50 75 100 Bank 7 Proposed Amendrent. ;o. 65 1173 237 RANCib SECO UNIT 1 TECliti! CAL SPECIFICATIO."S
(;" r,r:g"r']
~'"'
E ACRA?.'EPHO f/UNICIPAL if TILITY dis 17:L I
FIGURE 3.5.2 7 Arsa withdrawat vs Powe r I.. eve l,
O to 160 EFPD (Cycle 4) 110 (6.102)
(27,102) 100 00 (6.92)
(38.92)
RESTRICTED 80
'- ( 0. 8 0 )
(30.80)
REGION
?'
70 a
E 60 E
e 50 (100.50) d PEPJ4 ISSI BLE y
40 OPERATING 30 REGION 20 10 0
i t
9 r
e 0
10 20 30 40 50 60 70 80 90 100 APSR witndranal, 5 Proposed A,eni
,t ::o. 65 1173 238 RANCHO SECO UN!" '.
( ". r py',]
g TECEICAL SPECiFlusi!O."S sacnlMmo ?unient. unun oisuuc I
F1GURE 3.5.2 8 APSR b'it hJ rawal Vs Power Level, 140 t o 310 EFPD (Cycle 4) 110 (6.102)
(27,102) 100 gg (6.02)
(39.92) 80
-( 0, 80 )
(30.80)
RESTRICTED REGION 70 a
60 O
o 50 N
(100,50) c PERHISSISLE 3
40
~
OPERATING o.
REGION 30 20
~ After 310 EFFD, APSR's are withdrawn to 1002, 10 0
i 1
0 10 20 30 40 50 60 70 80 00 100 APSR w i tt1:!rawa l, 5 Proposed A"endment ?:o. 65 1173 239 RANCH 0 SECO U'?IT 1
(~"*s".'.f fl ?3 u
TECHNICAL SPECIFICATIC."S s,cy,...nno.,4umcen ur ury casme
FIGURE 3.5.2-9 core Inbalance vs Power I.evel, O to 160.EFPD (Cycle 4) 110 RESTRICTED
(-18.102)
(24.102)
(-20,92)
I (23,92) 90 80
(-20.7,80)-
(31,80) y 70 E
60 e
50
,/(-50,50)
E PERMISSIBLE (47,50)
OPE R A T i;iG 40 GION n.
30 20 10 0
-60
-50
-40
-30
-20
-10 0
10 20 30 40 50 60 Cor inca lance, ';
e Proposed Acendaent.;o. 65 1173 240 RANCHO SECO UN!T 1 N(""IM,);)']umcmaununo rnT TECilNICAL $PEC1FICATIO.NS 7
I
FIGURE 3.5.2-10 core Imbalance vs Power Level, 140 to 310 EFPD (Cycle 4) 110
(-15.5,102)
(24,102) iOO RESTRICTED 90 80
(-19,80)
(31,80) o 70 5
60 O
50
(.50,50)
PERit!SSIBLE (38,50) o J
OPERATING p
40 REGION 30 20 10 0
-60
-50
-40
-30
-20
-10 0
10 20 30 40 50 60 Core imualance, ';
Proposed Amendment '!o. 65 1173 241 RANCHO SECO Uh'IT 1 C)"_ r *
.l u
w.)
TECimlCAL SPECIFICATIONS sacnn.euuo uuracmn unun oisinv i
FIGURE 3.5.2-11 core IrSalance Vs Poi <r 1evel.
290 to 345 EFPD (Cycle 4) 110 RESTRICIE0
(-24.3.102)
(17,102)
REGION 100 90
(~
(
)
80
(-27,80)
(18,80)
M 70 a
3 SO PERMISSIOLE 7
OPERATING o
50
(-50,50)
REGION (35,50) 40 n.
30
/u THIS FIGURE v'A!.10 ONLY FOR OPERATION AFTER APSR WITHDRAlfAL 10 0
i i
I 1
-60
-50
-40
-30
-20
-10 0
10 20 30 40 50 00 Core imDalance, fi Proposed /cenJaent ?:a. 65 1173 242 RANCHO SECO UNIT 1 g"r[1{~]
TEClmlCAL SPECIFICATIO.NS sacnwano uumara unury oman i