ML20118A374
| ML20118A374 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 08/25/1992 |
| From: | CAROLINA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20118A373 | List: |
| References | |
| NUDOCS 9209020047 | |
| Download: ML20118A374 (10) | |
Text
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, _8.
ENCLOSURE 4 BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND 2 NRC DOCKET NOS.- 50-325 6 50-324 OPERATING LICENSE NOS, DPR-71 & DPR-62 REQUEST FOR LICENSE AMENDMENT CONTROL ROD SCRAM TIME TESTING MARKED-UP TEC11NICAL SPECIFICATION PAGES - UNIT 1 E4-1
-9209020047 920625 -
PDR ADOCK-'OSOOO324 b-
' p PDR
a REACTIVITY C0! TROL SYSTEMS CONTROL 1 ROD-AVEPAGE SCRAM INSERTION TIMES
-LIMITING CONDITIONS FOR OPERATION
. 3.1,3.3 The average scram insertion time of' all OPERABLE control rods f rom
. the fuliy withdrawn position, based on de-anergitation of the scram pilot valve.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Position Inserted From Average Scram Inser-Fully Withdrawn-tion Time (Se cor.ds )
46
&r'rT~ O<0 S$
36-lAer /,090 26 2.&& /.760 6
.) > 3.419 APPLICABILITY: -OPERATIONAL CONDITIONS I and 2.
l ACTION:
With the average scram insertion time exceeding any of-the above limits, be in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
- SURVEILLANCE REQUIREMENTS -4.1.3.3 '~All control rods shall be demonstrated OPERABLE by' scram time testing from the fully ~ withdrawn position as required by Surveillance Requirement 4 '. I. 3. 2.
4 l-l :.
l l
BRUNSWICK - UNIT - 1 3/4 1-6 Amendment No. 56 i-
i
- )
ce:
=.
1 REACTIVITY CONTROL SYSTEMS
~
~ FOUR! CONTROL ROD CROUP SCRAM INSERTION TIMES l
LIMITING CONDITION FOR ~ 0PERATION s
3.1.3.4 The average scram insertion time,-from the fully withdrawn position, f or the three fastest cont rol rods in each group of four control rods arranged in a two-by-two array, '- ad on deenergization of the scram pilot valve solenoids as time zerc not exceed any of the following:
+
Position Insa-ted From Average Sc ram Inser-Fully Withdrawn tion Time (Seconds [,
O. Y77 46 Gr9t 36
. w rt /. / 6 a 26 4.43' /. 9 7 /
P f.434 6
3 APPLICABILITY: OPERATIONAL CONDITIONS I and 2.
u ACTION:
With_the average scram insertion times of-control rods exceeding the above limits, operation may continue and tha 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 l
performed at least once per 92' days when~operat' ion is continued with three or more control rods with slow scram insertion times.
'O herwise, be in at least HOT SHUTDOWN within the next-12 hours.
t SURVEILLANCE REQUIREMENTS
~4.1.3.4 All_ control rods shall be demonst rated OPERABLE by scram time testing f rom' the fully withdrawn position as required by Serveillance Requirement
~ 4.l.3.2.
+
BRUNSWICK - UNIT '.
3/4 1-7 Amendment No.
144 m
ei-abw---r4 y
y g
y
-POWER DISTRIBUTION LIMITS
.3/4.2.2-MINIMUM CRITICAL POWER RATIO (ODYN OPTION B) l LIMITING CONDITION FOR OPERA'110N-3.2.2.2 For the OPTION B MCPR limits provided in the CORE OPERATINC LIMITS f
7 REPORT to be used, the cycle average 20% (Notch 3's) scran, time (rave) ehall be less than or equal to the OPTION B scram time limit (TB). where T,yg and 'B are determined as follows:
n i 1 N; i
' where t,y,
=
n N.
i[=1 l
i = Surveillance test number, n = Number of surveillance tests performed to date in the cycle (including BOC),
th Ng = Number of rods tested in the i survei lance test, and tg = Average scram time to notch 36 for sutveillance test i 1.65 ( n N.)
( ), where:
t
=p
+
B
[
i=1 i =-Surveillai e test number n_= Number of surveillance tests performed to date in the cycle
~
(including BOC),
th Ng = Number of rods tested in the-i survei' lance test N, = Number of rods tested at BOC, W seconds
=
p 0.830 (mean vatue f r statisticat scram time dist ributi,n from de-energization of scram pilot valve solenoid to pi" up on notch 36),
dropout o =-0 M seconds
- o Ol9'(standard' deviation of the above stattstical distribution)'.
APPLICABILITY:
OPERATIONAL CONDITION 1, when THERMAL POWER is greater titan or equai-to 25% RATED THERMAL POWER.
l--
L BRUNSWICK - UNIT 1 3/4 2-3 Amendment No. 147 1
s c
POWER DISTRIBUTION LIMITS LIMITING CONDITION FOR OPERATIOri (Cont inued)
-ACTION Within twelve hours after determining that r is greater then T the a y,'
B, operating limit MCPRs shall be either:
a.
Adjusted for'each fuel type such that the operating limit MCPR is the maximum of the non pressurization transient MCPR operating limit specified in the CORE OPERATINC LIMITS REPORT or the adjusted pressurization transient MCPR operating limits, where the adjustment is made by:
""" ~
(MCPR adj,usted option B t
- t optica A option B)
MCPR MCPR
= MCPR
+
4 g
l.09b z =*tTC5 seconde, control rod average scram insertion t me
'herei t
limit-to notch 36 per Specification 3.1.3.3, MCPRoption A = Specified in the CORE OPERATING LIMITS REPORT, MCPR Specified in the CQRE OPERATING LIMITS REPORT, or option 8 b.
The OPTION A MC?R limits specified in the CORE OPERATINC LIMITS REPORT.
SURVEILLANCE REQUIREMENTS 4.2.2.2 The val.uec of t
and t shall be determined and compared each time a scram test is perf$r$ed. The requirement for the frequency of scram time testing shall be identical to Specification 4.1.3.2.
l l
l l
I.
BRUNSWIcR - UNIT 1 3/4 2-4 Amendment No. 14 7
-. ~... -.,-..... -
'i ENCLOSURE 5 LRUNSWICK STEAM ELECTRIC PJANT, UNITS 1 AND 2 NRC DOCKET NOS. 50-325 & 50 32':
OPERATING ~ LICENSE NOS. DPR-71 & DPR 62 REQUEST FOR LICENSE AMENDMENT CONTROL ROD SCRAM TIME TESTING
((_ RKED-UP TECHNICAL SP"CIFICATION ' PAGES - UNIT 2 A
P b
4 y
At h
t' ES-1 "Y
"S w
MI-Y V4 W
4
-M.
4 W-*
9 7w %
--p
f..
i I
REACTIVITY CONTROL SYSTEMS-CONTROL ROD AVERAGE SCRAM INSERTION _ TIMES LD:ITING CONDITIONS FOR OPEPJLTIN
-3.1.3.3 The average scram insertion time of all OPERABLE control rods from the fully withdrawn. position, based on de-energir.ation of the scram pilot valve solenoids as time zero, shall not eiceed any of the following:
Position Inset ted From Average Scram Inser-Fully Withdrawn tion Time (Seconds) 46 er34-O. 3 $~b' 36
-1x05-I. 076 26 A M l. %' b o 6
M, y lcf 3
APPLICABILITY:
OPERATIONAL CONDITIONS 1 and -2.
l' t
ACTION:
With the average scram insertion time exceeding any of the above '.iuits, be in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
SURVEILLANCE REQUIREMENTS 4.1.3.3 All control rods shall be demonstrated OPERABLE by scram time testing from the fully withdrrwn position as required by Surveillance Requirement 4.1. 3. 2..
l-
! I t:
l BRUNSWICK - UNIT 2 3/4 ;-6 Amendment No. 83 l
i;
.u
9 REACTIVITY CONTROL SYSTEMS FOUR CONTROL ROD CROUP SCRAM INSERTION TIMES QHITING CONDIT'ON FOR OPCRATION 3.1.3.4 The average scram insertion time, from the tully withdrawn position, for the three fcstest cont rol rods in each group of f our cor.t rol 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 f o l'i owi n g :
Position Inau ted From Average Scram inser-Fully Wi t hd rawn ticn Time (Seconds) 46 0--1t 0.3'79 36 kW l. I 6 9.
26 h%- I.9 7 l 6
a%- 3. 4 9.4 APPL.1CABILITY:
OPERATIONAL CONblTIONS 1 and 2.
ACTION:
- With the average scram insertion times of control roas exceeding the above limits, operation nay continue and the provisions of Sp(cification 3.0.4 are not applicable provided:
a.
'The cont rol rods with the slower than average scram insertion times are declared inoperabia,-
l-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 Require ents of Specification 4.3.3.2.c are l
performed at least-once per 92 days when operation is continued with
-three or more control rods with slow scram insertion times.
Otherwise, be in at least HOT SHUTDORN within the next 12 he rs.
SURVEiLL M CE REQUIREMENTS 4.1.3.4 All control rods shall-be demonstrated OPERABLC by scram time testing from the fully withdrawn pcsition as required by Surveillance Requirerent 4.1.3.2.
BRUNSWICK - UNIT -2 3/4 1-7 Ame nd n.e nt No. 175 t
m 4
m
b POWER DISTRIBUTION LIMITS
.2.2 MINIMUM CRITICAL POWER RATIO (ODYN OPTION B)
-LIMITING C0t!DITION FOR OPERATION 3.2.2.2 For the-OPTION B MCPR limits provided in the CORE OPERATINC LIMITS l
REPORT to be used, the cycle sverage 20% (notch 36) scram time (t,y,) shall be less than or equal to the'0 prion B scram time limit (TB), where t,y, and T B are determined as follogs:
{-
I*I II, where
-t
=
ave n
N.
[
i=1 i = Surveillance test number, n = Number of surveillance tests performed to date in the cycle (including BOC),
th N; = Number of rods tested in the i surveillance test, and E
t: = Average scram time to notch 36 for surveillance test i N
1/2 I
1
= u + 1.65 (
N.)
(c), where:
B n
[
ial i-= Surveillance tes; number l
n = Number of surveillance tests performed to date in the cycle (including BOC),
th Ng = Number of rods tested in the i surveillance test N _= Number of rods tested at BOC, tu = 4,444F veconds
- 0. 030 "(mean vatue f or statisticat scram time distribution f rom de-energization'of scram pilot valve solenoid to[-ichup on notch 36),
ropo d a = -Gr&Mr seconds 0.Ol9 d'(standard deviation of the a'bove statistical distribution) l APPLICABILITY: OPERATIONAL CONDITION 1, when TdERMAL POWER is greater then or equal to 25% RATED THERMAL POWER.
1 II l.
1 1
l I
l; BRUNSWICK - UNIT 2 3/4 2-3 Amendment No. 168 l
1 l-
POWER DISTRIBUTION LIMITS LIMITING CONDITIONS JOR OPERATION (Continued)
ACTION:
Within twelve hours after determinir.t that t,y, is greater than TB, the operating limi". MCPRs shall be either:
Adjusted for each fuel type such that the operating limit MCPI a.
la the maximum of the non pressut ization transient MCPR op-rating limit specified in the CORE OPERATING LIMITS REPORT or the adjusted pressurization transient MCPR operating limits, wher? the adjustment is made by:
t r
S
- lrcR
- MCPR adjusted option B t
- B 3Ptton A option B)
= MCPR
~
A
/,096 g =,Le&9"reconds, control rod average scram insertion time where:
i limit to notch 36 per Specification 3.1.3.3, option A
- S ecified in the CORE OPERATINC LIMITS REPORT, MCPR P
option B = Specified in the CORE OPERATING LIMITS REPORT, or, MCPR b.
The OPTION A MCPR limits specified in the CORE OPERATING LIMITS REPORT.
SURVEILLANCE REQUIREMENTS 4.2.2.2 The values of t and t shall be determined and compared each time l
a scram U.me test is perfoImed. khetequirement for the frequency of scram time testing shall be identical to Specification 4.1.3.2.
BRUNSWICK - UNIT 2 3/4 2-4 Amendment No.
168
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