ML19329B672
| ML19329B672 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 01/12/1977 |
| From: | TOLEDO EDISON CO. |
| To: | |
| Shared Package | |
| ML19329B671 | List: |
| References | |
| NUDOCS 8002050779 | |
| Download: ML19329B672 (13) | |
Text
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INSTRUMENTATION 3/4.3.2 SAFETY SYSTEM INSTRUMENTATION W
SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION LIMITING CONDITION FOR OPERATION t
3.3.2.1 The Safety Features Actuation System (SFAS) functional units shown in Table 3.3-3 shall be OPERABLE with their trip setpoints set consistent with the values shown in the Trip Setpoint column,of Table 3.3-4 and with RESPONSE TIMES as shown in Table 3.3-5.
APPLICABILITY: As shown in Table 3.3-3.
ACTION:
a.
With a SFAS functional unit trip setpoint less conservative than the value shown in the Allowable Values column of Table 3.3-4, declare the functional unit inoperable and apply the applicable ACTION requirement of Table 3.3-3, until the func-tional unit is restored to OPERABLE status with the trip setpoint adjusted consistent with the Trip Setpoint value.
b.
With a SFAS functional unit inoperable, take the action shown in Table 3.3-3.
SURVEILLANCE REQUIREMENTS 4.3.2.1.1 Each SFAS functional unit shall be demonstrated OPERABLE by the perfonnance of the CFANNEL CHECK, CHANNEL CALIBRATION and CHANNEL FUNCTIONAL TEST during the MODES and at the frequencies shewn in Table 4.3-2.
4.3.2.1.2 The logic for the bypasses shall be demonstrated OPERABLE during the at power CHANNEL FUNCTIONAL TEST of functional units affected by bypass operation. The total bypass function shall be demonstrated OPERABLE at least once per 18 months during CHANNEL CALIBRATION testing of each functional unit affected by bypass operation.
4.3.2.1.3 The SAFETY FEATURES RESPONSE TIME of each SFAS function shall be demonstrated to be within the limit at least once per 18 months.
Each test shall include at least one functional unit per function such 7
that all functional units are tested at least once every N times 18 months where N is the total number of redundant functional units in a specific SFAS function as shown in the " Total No. of Units" Column of 1
Table 3.3-3.
DAVIS-BESSE, UNIT 1 3/4 3-9 JAN 121977
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TABLE 3.3-3 SAFETY FEATURES ACTUATION SYSTE'ri INSTRUMENTATION
[
MINIMUM g;
TOTAL NO.
UNITS
- UNITS APPLICABLE g
FUNCTIONAL UNIT OF UNIT 5 TO TRIP OPERABLE MODES ACTION g
1.
INSTRUMENT STRINGS U
a.
Containment Radiation -
High 4
2 3
All MODES 9f b.
Containment Pressure -
High 4
2 3
1,2,3 9#
c.
Containment Pressure -
liigh-High 4
2 3
1, 2, 3
' 91 d.
RCS Pressure - Low 4
2 3
1, 2, 3*
d 9#
9#
e.
RCS Pressure - Low-Low 4
2 3
1, 2, 3**
4 f.
.BWST Level - Low 4
2
~
3 1,2,3 9#
f M
2.
DUTPUT LOGIC g
g a.
Incident Level #1:
2 Containment Isolation NA NAl NA E All MODES 10.
g w
p o
b.
Incident Level #2:
bh$ N High Pressure Injection p
and Starting Diesel NA 1 NA I NA 2 1, 2, 3 P-(*t10 1#
Generators
- v c.
Incident Level #3:
Low Pressure Injection NA b NA 8 NA z.
1, 2, 3 10 by d.
Incident Level #4:
Containment Spray NA h NA I NA ?.
1, 2, 3.
10 e.
Incident Level #5:
Containment Sump Recirculation NA h NA 1 NA E 1,2,3 10 Q
s y, s ~ n'l O f g g i
dd M A ur g ym y rhyLw,,~~~",
i TABLE 3.3-3 SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION MINIMUM g
TOTAL NO.
UNITS UNITS APPLICABLE ACTION g
FUNCTIONAL UNIT OF UNITS TO TRIP OPERABLE MODES g
3.
MANUAL ACTUATION
~
2 a.
SFAS(exceptContainment Spray and Emergency Sump 2
2 8
2 ALL MODES 11.
Recirculation) b.
2 A 2
1,2,3,4~'
11 4.
SEQUENCE LOGIC CHANNELS 4
2***
4 1,2,3 97~
i O
4
,Q
$ 4(/ hN f p cd idMif V^
^
,.. 3 feA n W W j
y a k i.d&
f,hsh /Nb 1
=
g y
g M
w
i.
I
-l TABLE 3.3-4 SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS'
~
enb h
FUNCTIONAL UNIT TRIP SETPOINT ALLOWA'BLE VALUES m
k INSTRUMENT STRINGS 2
H a.
Containment Radiation 1 25 mR/hr
< 25 mR/hr b.
Containment Pressure - High.
1.'18.4 psia
' 1'18.4 psia
\\
c.
Containment Pressure - High-High 1 38.4 psia s'38.4 psia
.i d.
RCS Pressure - Low
/ t.1600 psig t 1600 psig e.
RCS Pressure - Low-Low
". t 400 psig'
> 400 psig f.
BWST Level 1 36 in. H O
>i_ 36 in. H O 2
2 yN SEQUENCE LOGIC CilANNELS 3, *o -
0000100 Volts a.
Undervoltage Condition 0000100 Volts bS
^
i 5'o a
lo-u de-jv dn~ dL j w/// jj f$ y #'
3<>. N.,ne.L., h Q4,a, '
OI 1' ~
~"
~9 8#
r 52
.}
u,
\\,.-
,.. t.,
. 7-Fy o
s D;o Q
1 2 R
- t:3 2
_........a.
9,!R
- nu a
...~._
y i O,i MW WWupesuum se. - ~ +. m o ne-p
7 p7k i
TABLE 3.3-5 (Continued)_
i SAFETY FEATURES SYSTEM RESPONSE TIMES INITIATING SIGNAL AND FUNCTION RESPONSETIMEINSECONDS n.
Steam and Feedwater Isolation Valves (continued) 8 2.
Main Feedwater Stop NA
.3.
Main-Steam Warmup NA
[ME 2.
Contairinent Pressure - High a.
Fans 1.
Emergency-Vent Fans 1 25*
2.
Containment Cooler Fans 1 45*
b.
ECCS Room
< 75*
2.
Emergency Yent11ation 175*
3.
, Containment Air Sample 1 25*
4.
Containment Purge
< NA*
5.
Penetration Room Purge 175*
[c ControlRoomHV&dC' Units 1 10*
c.
g{4* <y d.
High Pressure Injection 1.
High Pressure Injection Pamps
< 30*
2.
High Pressure Injection Valves i30*
e.
Component Cooling Water g
1.
Component Cooling Water Pumps
< 180*
2.
Component Cooling Aux. Equip. Inlet Valves 5180* 4 ff Ag, 3.
Component Cooling to Air Compressor Valves 1 180*
f.
Service Water System 1.
Service Water Pumps 45*
2'.
Service Water Fran Component Cooling Heat Exchanger Isolation Valves 1 NA*
g.
Containment Spray Isolation Valves 1 80*
h.
Emergency Diesel Generator 1 1 i!
DAVIS-BESSE UNIT 1 3/4 3-16
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JAN 121977
TABLE 3.3-5 (Continued)
SAFETY FEATURES SYSTEM' RESPONSE TIMES INITIATINGSIGNALANDFUNCTkON RESPONSE TIME IN SECONDS 2.
Containment Pressure - High (Continued) i I
1.
Containment Isolation Valves l
1.
Vacuum Relief
< 25*
2.
Nomal Sump
~ 25*
3.
RCS Letdown Delay Coil Outlet 7 30*
4 RCS Letdown High Temperature 130*
5.
Pressurizer Sample
'< 48*
.G.
Service Water to Cooling Water 7
/
7.
Vent Header 15*
k,1 7 15*
8.
Drain Tank i
16 9.
Core Flood Tank Vent 715*
10.
Core Floed Tank Fill 7 15*
W 11.
Steam Generator Sample 7 15*
12.
Atmospheric Vent 717*
13.
Quench 'ank Ip 14.
Emergency Sump
< 90*
15.
RCP Seal 'ieturn 7 30*
16.
Air Syrkem 17.
N Sptem
'ji*s 18.
Q ench Tank Sample
< 35*_
19.
Main Steam Warmup Drain Q,,),5* ) -
20.
Makeup
< 30*
21.
RCP Seal Inlet 73*
5*
2.
Core Flood Tank Sample 23.
RCP Standpipe Demin Water Supply 24.
Containment H Dilution Inlet
< 25*
25.
Containment H Dilution Outlet i25*
2 j.
BWST Outlet Valves 1 30*
k.
Low Pressure Injection 1.
Decay Heat Pumps
< 30*
2.
Low Pressure Injection Valves 7 NA*
3.
Decay Heat Pump Suction Valves 7 30*
~ NA*
4 Decay Heat Cooler Outlet Valves 1
5.
Decay Heat Cooler Bypass Valves S NA*
3.
Containment Pressure--High-High a.
Containment Spray Pump 1 80*
b.
Component Coolfng Isolation Valves 1.
Inlet to Con +ainment
< 25
- 2.
Outlet froo 2ntainment
_725*
DAVIS-BESSE, UNIT 1 3/4 3-17 JAN 121977
TABLE 3.3-5 (Continua
~
SAFETY FEATURES SYSTEM RESPONSE TIMES INITIATING SIGNAL AND FUNCTION RESPONSE TIME IN SECONDS b.
fComponent Cooling Isolation Valves (Continued) 3.
Inle't to CRDM's
< 35*
4.
CROM Booster Pump Suction 7 35*
-(
)*
5.
Component Cooling from Decay Heat Cooler 1
f c.
Steam and Feedwater Isolation Valves 1.
< 10*
2.
Main Feedwater Stop 3.
Main Steam Wannup
'1 5*
4.
RCS Pressure-Low THIS PAGE OPEN PENDING RECE:PT O INFORMATION FROM THE APPUCANT I
7,
1.
Emergency Vent Fans 1 25*
2.
Containment Cooler Fans 1 45*
Y b.
l.
ECCS Room
< 75*
2.
Emergency Ventilation 7 75*
p 3.
Cont.inment Air Sample 7
4.
Containment Purge 11-5.
Penetration Room Purge
'1 75*
c.
Control Room HV & AC Units 1 0*
d.
High Pressure Injection 1.
High Pressure Injection Pumps
< 30*
2.
High Pressure Injection Valves 1,30*
Component Cooling Water e.
1.
Component Cooling Water Pumps 1 180*
2.
Component Cooling Aux. Equipment Iniet Valves
< 180*
3.
Component Cooling to Air Compressor Valves
_7 180*
f.
Service Water System 1.
Service Water Pumps 1 45*
2.
Service Water from Cor.ponent Cooling Heat Exchanger Isolation Valves 1 NA*
g.
Containment Spray isolation Valves 1 80*
1 h.
Emergency Diesel Generator 4. g#'
DAVIS-BESSE, UNIT 1 3/4 3-18 t
\\D JAN 12
TABLE 3.3-5 (Continuedi SAFETY FEATURES SYSTEM RESPONSE TIMES INITIATING SIGNAL AND FUNCTION RESPONSE TIME IN SECONDS 4.
RCS Pressure-Low (continued) 1.
Containment Isolation Valves
,1.
Vacuum Relief 1 25*
2.
Normal Sump
< 25*
3.
RCS Letdown Delay Coil Outlet 7 30*
4.
RCS Letdown High Temperature 130*
Jh._
5.
Pressurizer Sample
< 45*
6.
Service-Water to Cooling Water
-7 4
- 7.
Vent Header
< 15*
f/
8.
Drain Tank 715*
5.
Core Flood Tank Vent 7 15*
10.
Core Flood Tank Fill 5 15*
If ky 11.
Steam Generator Samole
< 15*
g 12.
Atmospheric Vent 17 13.
Quench Tank 7 15*
N 14.
Emergency Sump
[
15.
RCP ' Seal Return 16.
Air Systems
< 15*
17.
N System 71*
18.
Q$ench Tank Sample 19.
Main Steam Warmup Drain 1
0*
20.
Makeup 21.
RCP Seal Inlet 7
22.
Core Flood Tank Sample
< 15*
23.
RCP Standpipe Demin Water Supply 7
5*'
24.
Containment H Dilution Inlet
< 25*'
Containment Hf Dilution Outlet i25*
25.
j.
BWST Outlet Valves 1 90*
5.
RCS Pressure--Low-Low THIS PAGE OPEN NN3iNG REG!PT OF INFOR,*AATM U.A.'s T.,E APPO_NT a.
Low Pressure Injection 1.
Decay Heat Pumps
< 30*
4 2.
Low Pressure Injection Valves 7 NA* T PC 3.
D cay Heat Pump Suction Valves 7 30* M 7 NA*
q 4.
Decay Heat Cooler Outlet Valves i
5.
Decay Heat Cooler Bypass Valves
[ NA* %
b.
Component Cooling Isolation Valves 1.
Auxiliary Equipment Inlet 1 90*
2.
Inlet to Air Compressor
< 90*
l l
3.
Component Cooling from Decay Heat Cooler 5(
)*
l DAVIS-BESSE, UNIT 1 3/4 3-19 l
l JAN 121977 l
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TABLE 3.3-5 (Continued) d SAFETY FEATURES SYSTEM itESPONSE TIMES INITIATING SIGNAL AND FUNCTION RESPONSE TIME IN SECONOS 6.
Containment Radiation - High a.
Emergency Vent Fans 1 25*
b.
ECCS Room
< 75*
2.
Emergency Ventilation 375*
(
3.
Containment Air Sample 4.
Containment Purge 5.
Penetration Room Purge 1
JW.
c.
Control Room HV & AC Units 1 0*
7.
Borated Water Storage Tank-Low a.
Containment Sump Suction Valves 1 S0*
b.
BWST Outlet Valves 1 90*
TAB'LE NOTATION Diesel generator starting and sequence loading delays included.
v Response time limit includes movement of valves and attainment of Ip-pump or blower discharge pressure.
f*eg #
DAVIS-BESSE, UNIT 1 3/4 3-20' JAN 121977
4, TAR'.E 4.3-2 i
g SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION SURVEILLANCE REQUIREMENTS-CilANNEL MODES'IN WHICH
!n CilANNEL
. CliANNEL FUNCTIONAL SURVEILLANCE Ci FUNCTIONAL UNIT CilECK CALIBRATION TEST REQUIRED El 1.
INSTRUMENT STRINGS se Q
a.
Containment Radiation - liigh S
R H
All M00ES b.
Containment Pressure - liigh S
R M(
1, 2, ; /l c.
Containment Pressure - liigh-liigh S
R M(
1, 2, 3 d.
RCS Pressure - Low S
M 1, 2, 3 e.
RCS Pressure - Low-Low S
M 1, 2, 3 f.
BWST Level - Low S
R H
1, 2, 3
,gs $wastfm Art chf le- % Wm i
2.
OUTPUT LOGIC 4
j M *bU M/ # b5 b'* Y d'Wh a.
Incident Level #1: Containment y
NA d9fe M alt MODES Isolation b.
Incident Level #2: liigh Pressure I
Injection and Starting Diesel w
%5 3
Generators NA M
1, 2, 3 w
c.
Incident i' vel #3: Low Pressure if S
k Injection NA M
1, 2, 3 d.
Incident Level #4: Containment Spray
?)A 5 NA M
1, 2, 3
)[
e.
Incident Level #5: Containment l
y.5 Sump Recirculation NA N
1,2,3 3.
MANUAL ACTUATION
- r..
SFAS (6 cent Containment Spray NA NA M(1)
All MODES andEmergencySumpRecirculation) h b.
Containment Spray NA NA M(1) 1, 2, 3
,:e g
4.
SEQUENCE LOGIC CilANNELS NA NA M
1, 2, 3 m i ljt5-
}( /.'e hf Rd day 4%*% & W h b
ef
- fu:-
bue,wu.ty e a,-o aca
/
wa
INSTRUMENTATION STEAM AND FEEDWATER RUPTURE CONTROL SYSTEM INSTRUMENTATION LIMITING CONDITION FOR OPERATION 3.3.2.2' The Steam and Feedwater Rupture Control System (SFRCS) instrumen,
tation channels shown in Table 3.3-11 shall be OPERABLE with their trip a
setpoints set consistent with the values shown in the Trip Setpoint column of Table 3.3-12 and with RESPONSE TIMES as shown in Table 3.3-13.
M MM h, S
APPLICABILITY: MODES 1, 2 and 3.
2b3 ACTION:
a.
With a SFRCS instrumentation channel trip setpoint less con-servative than the value shown in the Allowable Values column of Table 3.3-12, declare the channel inoperable and apply the applicable ACTION requirement of Table 3.3-11, until the channel is restored to OPERABLE status wit! t!ie trip setpoint adjusted consistent with the Trip Setpoint value.
b.
With a SFRCS instrumentation channel inoperable, take the action shown in Table 3.3-11.
s SURVEILLANCE REQUIREMENTS 4.3.2.2.1 Each SFRCS instrumentation channel shall be demonstratid OPERABLE by the performance of the CHANNEL CHECK, CHANNEL CALIBRATION and CHANNEL FUNCTIONAL TEST during the MODES and at the frequencies shown in Table 4.3-11.
4.3.2.2.2 The logic for the bypasses shall be demonstrated OPERABLE during the at power CHANNEL FUNCTIONAL TEST of channels affected by bypass operation. The total bypass function shall be demonstrated OPERABLE at least once per 18 months during CHANNEL CALIBRATION testing of each channel affected by bypass operation.
4.3.2.2.3 The STEAM AND FEEDWATER RUPTURE CONTROL SYSTEM RESPONSE TIME of each SFRCS function shall be demonstrated to be within the limit at least once per 18 months. Each test shall include at least one channel
~2 -
per function such that all channels are tested at least once every N times 18 months where N is the total number of redundant channels in a specific SFRCS function as shown in the " Total No. of Channels" Column of Table 3.3-11.
S DAVIS-BESSE, UNIT 1 3/4 3-23 i
JAN 121977 z.
l
f TABLE 3.3-11 (Continued)
'4STRUMENTATION STEAM AND FEEDWATER RUPTURE CONTROL SP nna h
MINIMUM m
TOTAL ?
CilANNELS CHANNELS FUNCTIONAL UNIT OF CilANhELS TO TRIP OPERABLE ACTION s
c 2
U 2.
Feedwater/ Steam Generator Differential Pressure - liigh Instrument Channels a.
PDS 2685A Feedwater/ Steam Generator 2 2
1 2
13 PDS 26858 Feedwater/ Steam Generator 2 b.
PDS 2685C Feedwater/ Steam Generator 2 2
1 2
13 i PDS 2685D Feedwater/ Steam Generator 2
{
c.
PDS 2686A Feedwater/ Steam Generator 1 2
1 2
13 PDS 2686B Feedwater/ Steam Generator 1 m
d.
PDS 2686C Feedwa'ter/ Steam Generator 1 2
1 2
13 PDS 2686D Feedwater/ Steam Generator 1 3.
Steam Generator Level - Low Instrument Channels (E,...-
LSL SP981 Steam Generator 1 2
1 2
13 LSL SP982 Steam Generator 1 b.
LSL SP9A3 Steam Generator 1 2
l' 2
13 LSL SP9A4 Steam Generator 1 N
LSLSP9Al/SteamGenerator2
[
.2 1
2 13 c.
]
l LSL SP9A21 Steam Generator 2 g
lpf b
"M se pp a
a
+
~ TABLE 3.3-11 (Continued)
STEAM AND FEEDWATER RUPTURE CONTROL SYSTEM INSTRUMENTATION ab
.U MINIMUM N
TOTAL N3.
CilANNELS CHANNELS FUNCTIONAL UNIT OF CHANNELS TO TRIP OPERABLE ACTION 3
c z
M 3.
Steam Generator Level - Low Instrument Channels (continued) 4 d.
LSL SP983 Steam Generator 2 2
1 2
13 LSL SP984 Steam Gener:Lui ?
4.
Loss of RCP Channels a.
SFRCS Channel #1 2
1 2
13
{
b.
SFRCS Channel #2 2
1 2
13 "4
5.
Manual Initiation m
a.
Steam Pressure - Low 4
4 4
14 b.
Level Steam Generatar - Low 2
2 2
14 c.
Feedwater A P - liigh 2
2 2
14 d.
Loss of RCP's 2
2 2
14 h
==
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