ML20127N660
| ML20127N660 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 11/23/1992 |
| From: | CAROLINA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20127N647 | List: |
| References | |
| NUDOCS 9212010357 | |
| Download: ML20127N660 (11) | |
Text
_ _ _ _
l 4
ENCLOSURE 1 l
BRUNSWICK STEAM El.ECTRIC PLANT, UNITS 1 AND 2 NRC DOCKEY NOS, 50 325 & 50 324 OPERATING LICENSE NOS. OPR 71 & DPR 62 CONTROL ROD SCRAM TIME TESTING (NRC TAC NOS. M84408 AND M84409)
.LYff.Q TECHNIC 31.RpgCFIC ATION PAGES - UNIT 1 l
i i
l F
9212010357 921123 ADOCK00000'g4 7"t
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l' REACTIVITY CONTROL SYSTEMS CONTROL ROD AVERAGE SCRAM INSERTION TIMES LIMITING CONDITIONS FOR OPERATION 3.1,3,3 The average scram insertion time of all OPERABLE control rods from the fully withdrawn position, based on de energi::ation of the scram pilot i
valve solenotus as time zero, shall not exceed any of the following:
i Position Inserted From Average Scram Inter-Fully Withdrawn tion Time (Seconds) l 46 0.358 j
36 1.096 l
26 1.860.
i 6
3.419 APPLICABILITY:
OPERATIONAL CONDITIONS 1 and 2.
ACTION:
l With the average scram insertion time exceeding any of the above limits, be in-i at least 110T SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
SURVEILLANCE REQUIREMENTS I
}
4.1.3.3 All control rods shall be demonstrated OPERABLE by scram time testing
}
from the fully withdrawn position as required by Surveillance Requirement j
4.1.3.2.
1 i
4 I
I i
i i
4 4
1 i
+
i 1
i i
1
]
BRUNSWICK UNIT 1 3/4 1 6 Amendment No.
cu...~
_______.m._._
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1'1 1
j REACTIVITY CONTROL SYSTEMS l
FnUR CONTROL ROD GROUP SCRAM INSERTION TIMES 1
l LIMITINC CONDITION FOR ?PERATION I
3.1.3.4 The average scram insertion time, from the fully withdrawn position, for the three fastest control rods in each group of four control rods arranged
{
in a two by-two array, based on deenergi:ation of the scram pilot valve j
solenoids as time zero, shall not exceed any of the following:
Position Inserted From Average Scram Inser.
Fully Withdrawn tion Time (Seconds) l 46
~0.379 l
36 1.162 l
26
'l.971 6
3,624 1
j APPLICABILITY:
OPERATIONAL CONDITIONS 1 and 2, 1
ACTION:
With the average scram insertion times of control rods exceeding the above limits, operation may continue and the provisions of Specification 3.0.4 are-not applicable provided:
1 I
The control rods with the slower than average scram insertion times a.
i are declared inoperable, 1
b.
The requirements of Specification 3.I.3.1 are satisfied, and e
c.
If within the preset power level of the RWM, the requirements of
}
Specification 3.1.4.1.d are also satisfied, and i
d.
The Surveillance Requirements of Specification 4.1.3.2.c are performed i
at least once per 92 days when operation is continued with three-or i
more control rods with slow scram insertion times.
l Otherwise, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
SURVEILLANCE REOUIREMENTS 3
j 4.1.3.4 All control rods shall be demonstrated OPERABLE by' scram time ' testing from the fully withdrawn position as required by Surveillance Requirement 4.1.3.2.
?
j 3
i i
i 4
l BRUNSWICK - UNIT 1 3/J 1 7 Amendment No.
l.
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.- ~_- _ _,_.-.
4 i
?
POWER DISTRIBUTION LIMITS
}
j 3/4,?.2 MINIMUM CRITICAL POWER RATIO (ODYN OPTION R) l 1.IMITING cnNDITION FOR OPEPATION i
i 3.2.2.2 For the OPTION B MCPR limits provided in the CORE OPERATING LIMITS i
REPORT to be used, the cycle average 204 (notch 36) scram time (r shall be l
less than or equal to the OPTION B scram time limit (r ), where r """>and r e
e "Y*
are determined as follows:
i i
]
i n
Nr i1 1g j
r,y,
, w ere n N I I
Z.
i 1-1 i-i 1 - Surveillance test number, j
n - Number of surveillance tests performed to date in the cycle (including BOC),
g Ni - Number of rods tested in the i surveillance test, and ri - Average scram time to notch 36 for surveillance test i j
N 1/2 1
r - u + 1.65 (a), where:
j 3
n N
g i
E i-1 i
l j
i - Surveillance test number n - Numbe, of surveillance tests performed to date in the cycle 1
(including BOC),
th j
Ni - Number of rods tested in the i surveillance test i
Ng - Number of rods tested at BOC, y - 0.830 seconds l
(mean value for statistical scram time distribution from j
de energization of scram pilot valve. solenoid to dropout on l
notch 36),
j o - 0.019 seconds l
j
-(standard deviation of the above statistical distribution)
APPLICABIQT,J:
OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 25% RATED THERMAL POWER.
a i
BRUNSWlcK UNIT 1 3/4 2-3 Amendment No.
... - _ _. _._,__ _.. _._ m 1
j
]
POWER DISTRIBUTION LIMITS i
LIMITING CONDITMNS FOR OPERATION (Continued) l ACTION:
Within twelve hours after determining that r is greater than rg, the j
operating limit MCPRs shall'be either:
Adjusted for each fuel type such that the operating limit MCPR is a.
the maximum of the non pressurization transient MCPR operating i
limit specified in the CORE OPERATING LIMITS REPORT.or the l
adjusted pressurication transient MCPR operating limits, where j
the adjustment is made by:
4 i
1 1
r ave B
- MCPR
+
(MCPR MCPR
)
adjusted option B r _r option A_
option B A
B 2
i
}
I i
where:
rA - 1.096 seconds, control rod average scram insertion time-I, limit to notch 36 per Specification 3.1.3.3, MCPR
- Specified in the CORE OPERATING LIMITS REPORT, i
MCPR P
"^ - Specified in the CORE OPERATING LIMITS REPORT, or, option B l
b.
The OPTION A MCPR limits specified in the CORE OPERATING LIMITS REPORT.
i i
SURVEttt>.NCE REOUIREMENTS j
4.2.2.2 The values of r,y, and fa shall be determined and compared each time a 4
scram time test is performed.
The requirement for the frequency of scram time j
testing shall be identical to Specification 4.1.3.2.
i-BRUNSWICK - UNIT 1
~?,4 2-4 Amendment No'.~
e d_.,-_.
4 ENCLOSURE 2 BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2 NRC DOCKET NOS. 50 325 & 50 324 OPERATING LICENSE NOS. DPR 71 & DPR 02 CONTROL ROD SCRAM TIME TESTING (NRC TAC NOS. M84408 AND M84409)
TYPED TECHfitCAL SPECIFICATION PAGES - UNIT 2 l
_mm________
.. -. - - - - -. ~. _.
1 REACTIVITY CONTROL SYSTEMS
)
CONTROL ROD AVERAGE SCRAM INSERTION TIMQ LIMITING CONDITIONS FOR OPERATION 2
j 3.1.3.3 The average scram insertion time of all OPERABLE control rods from the fully withdrawn position, based on de energi::ation of the scram pilot valve solenoids as time zero, shall not exceed any of the following:
i l
Position Inserted Frota Average Scram inser-1 Fully Withdrawn tion :.me (Seconds)
.]
46 0.358 l
36 1.096 26 1.860 6
3.419 i
i APPLICABILITY:
i
. OPERATIONAL CONDITIONS 1 and 2.
j ACTION:
j.
With the average scram insertion time exceeding any of the above limits, be in i
at least HOT SHUTD0k'N within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
J l
SURVEILIANCE REO(11REMENTS 4.1.3.3 All control rodt, shall be demonstrated OPERABLE by scram tinte testing l
from the fully withdrawn position as required by Surveillance Requirement' l
4.1.3.2.
1 i
i f
4 L
1 l
i i
Y..
j i
3 i
BRUNSWICK - UNIT 2 3/4 1-6 Amendment No e
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-....--.,a.__._..-a..._.;-,
. _... _ _ _ _ _. _ _. _.... _... - _ ~ _ _
i REACTIVITY CONTROL SYSTEMS-f FOUR CONTROL ROD OROUP SCRAM INSERTION TIM 2S
[
i LIMITING CONDITION FOR OPERATION 3.1.3.4 The averaSe scram insertion time, from the fully withdrawn position.
for the three fastest control rods in each group of four control rods arranged in a two.by two array, based on deenergization of the scram pilot valve solenoids as time zero, shall not exceed any of the following:
Position Inserted from Average Scram Inser.
Fully Withdrawn tion Time (Seconds)
[
t 46 0.379 36 1.162 26 1.971 6
3.624 APPLICABILITY:
OPERATIONAL CONDITIONS 1 and 2.
r ACTION:
With the average scram insertion times of control rode exceeding the above
. limits, operation may continue and the provisions of Specification 3.0.4 are not applicable provided:
a.
The control rods with the slower than average scram insertion times are declared inoperable.
b.
The requirements of Specification 3.1.3.1 are satisfied, and c.
If within the preset power level of the RWM, the requirements of Specification 3.1.4.1.d are also satisfied, and d.
The Surveillance Requirements of Specification 4,1.3.2 c are per?crmed at least once per 92 days when operation is continued with three sr i
more control rods with slow scram insertion timos.
Otherwise. be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
l SUPVEILIANCE REQUIREMENTS 4,1.3,4 All control. rods shall be demonstrated OPERABLE by scram time' resting.
from the fully withdrawn position as required by Surveillance Requirement 4.1.3.2.
' BRUNSWICK + UNIT 2 3/4 1 7 Amendment No.
l i
.A>-,-.,n.w..,.r,--mw~---,,.
n-
..-,-A~
-.r, r-n u - ~ ~, +
-,--,.,.n
,n,-
,,,-e-,,:,,~i-,-.--
,, n,Ln
.. ---- -~, -,,., ~, -
7.-.-
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POWER DISTRIBUTION _LIJJIS.
i j
3/4.2.? MINIKUM CRITICAL POWER RATIO (ODYN OPTION B) l LIMITING CohDITION FOR GPERATION i
3.2.2.2 For the CPTION B MCPR limits provided in the CORE OPERATING LIMITS.
l REPORT to be used, the cycle average 20%-(notch 36) scram time (r shall be less than or equal to the OPTION B scram time limit - (v ), wheta r ""*)and r e
e i
are determined as follows:
i j
n j
1-1 *9 ri 1
, where l
r
~
ave n N i
E l
i-1 l
4 l
1 - Surveillance test number, l
n - Number of surveillance tests-performed to date in the cycle (including SOC),
q Ni - Number of rods tested in the i surveillance test, and j
i - Average scram time to notch 36 for surveillar.ce test i r
i N
1/2 l
r p + 1.65 (o), where:
g j
n N
~I l
1-1 lt 4
i - Surveillance test number l
n - Number of surveillance tests performed to date in the cycle (including BOC)'
h 4
Ni - Number of rods tested in the i surveillance test i
N - Number of rods tested at BOC, 1
j u - 0.830 seconds l
j (mean vslue for statistical scram time distribution from i
de-energization of scram pilot _ valve solenoid to dropout on l
j rotch 36),
E o - 0.019 seconds
.[
(standard deviation of'the.above statistical distribution)
I i
APPLICABILITY: OPERATIONAL CONDITION 1. when THERMAL POWER'is greater than or 3
equal to 25% RATED THERMAL POWER.
(
i j'
l BRUNSWICK - UNIT-2 3/4 2-3 Amendment No.
1 i
~..
...-...~ -.~.= --.. -
i i
[
l POVFR DISTRIBUTION LIMTIS 5
I.
LIMITING CONDITIONS FOR OPERATION (Continued) l j
ACTION:
1 j
Within twelve hours after determining that is' greater than ry, the 7 ""*
i operating limit MCPRs shall be either:
i
{
a.
/djusted for each fuel type such that the operating = limit MCPR is l
the maximum of the'non-pressurization transient MCPR operating limit specified in the CORE OPERATING LIMITS REPORT or the.
j.
adjusted pressurization transient MCPR operating limits, where the adjustment is made by:
?
I; r
- r i
ave B
}
McPR
- MCPR
+
(MCPR
)
l adj us ted option B r
r option A option B i
A B
l i
- where, r
- 1,096 seconds, control rod average scram insertion time l-3 limit to notch 36 per Specification 3,1.3.3, l
\\
f MCPR
- Specified in the CORE OPERATING LIMITS REPORT, MCPR E
"^ - Specified in the CORE OPERATING LIMITS REPORT, or, e
option B l
l b.
The OPTION A MCPR limits specified in the CORE OPERATING LIMITS REPORT.
f 3URVEILLANCE REOUIREMENTS l-j; _
4.2.2.2 The values of. r.,, and r shal1 be determined and-compared each time a
~
e
{
scram time. test is performed.
The' requirement for the frequency of scram time i
testinF shall.be identical to Specification 4.1.3.2.
1 I
l l;
1 t-h-
4 i
2 BRUNSWICK. UNIT'2 3/4 2-4--
. Amendment Noi j
k 1
.-,... _.-..-.,.-... - -.- -.,--,.~.
i ENCLOSURE 3 BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2
{
NRC DOCKET NOS, 50-325 & 50-324 i
OPERATING LICENSE NOS. DPR 71 & DPR-62 CONTROL ROD SCRAM TIME TESTING (NRC TAC NOS. M84408 AND M84409) l f
PAGE CH ANGE INSTRUCTIONS
.U NIT 1 Bgrnoved Pace Inserted Pace e
3/4 1-6 3/41-6 3/4 1 7 3/4 1 7 l
3/4 2 3 3/42-3 3/4 2 4 3/4 2-4 i
i UNIT 2 B3 moved Pace kingrted Paae l
l 3/4 1-6 3/4 1-6 3/4 1-7 3/4 1 7 3/4 2 3 3/4 2-3 3/4 2-4 3/4 2-4 1
E3-1
.