ML20077F796
| ML20077F796 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 07/26/1983 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20077F778 | List: |
| References | |
| TVA-SQN-TS-46, NUDOCS 8308030046 | |
| Download: ML20077F796 (5) | |
Text
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ENCLOSURE SEQUOYAH NUCLEAR PLANT TVA-SQN-TS-46 REVISIONS TO ENCLOSURE 3, CHANGE NO. 3, REVISION OF TABLE 3.6.2 FOR OPERABILITY OF CONTAINMENT ISOLATION VALVES o
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'l Alli E 3. fr 2 ( Cont inu...I) 8 m
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CONIAltlMlNI 150lAll0H VAIVLS a
]
E HAXIMUH ISOLATI0l1 llAE (Seconds}
VALVE NUMBI-R FUNCTION a
b C.
PilASE "A" CONTAINHENT VENT ISOLATION'(Cont.)
a 4*
N 13.
FCV-30-50 Upper, Compt Purge Air Exh 4*
i 14.
FCV-30-51 Upper Compt Purge Air Exh 15.
FCV-30-52 Upper Compt Purge Air Exh 4*
16.
FCV-30-53
_ Upper Compt Purge Air Exh 4*
17.
FCV-30-b6 Lower Compt Purge Air Exh 4*
1i 18.
FCV-30-57 Lower Compt Purge Air Exh 4*
19.
FCV-30-S8 Inst Room Pur0e Air Exh 4*
20.
FCV-30-59 Inst Room Purge Air Exh 4*
21.
FCV-90-107 Cntmt Bldg LWR Compt Air Hon S*
22.
fCV-90-108 Cntmt Bldg LWR Compt Air Hon S*
23.
FCV-90-109 Cntmt Bidu LWR Compt Air Hon S*
I w
i,
) -
24.
FCV-90-110 Cntmt Bld0 LWR Compt Air Hon
,S*
cn -
4 25.
FCV-90-111 Cntmt 81d0 LWR Compt Air Hon S*
26.
FCV-90-Il3 Cntmt Bldg LWR Compt Air Hon S*
i 27.
FCV-90-II4 Cntmt Bldg LWR Compt Air Hon S*
28.
FCV-90-IIS Cntml Bldg LWR Compt Air Hon S*
29.
FCV-90-Il6 Cntet Bldg LWR Compt Air Hon S*
30.
FCV-90-Il7 Cntml Bldg LWR Compt Air lion S*
D.
OTifER
. 1.
.FCV-30-46 Vacuum Relief Isolation Valve 25 2.
FCV-30-47 Vacuum Relief Isolation Valve 25 3.
FCV-30-48 Vacuum Relief isolation Valve 25
- Provisions of LCO 3.0.4 are not applicable if valve'is secured in its isolated position with power removed.
- Provisions of LCO 3.0.4 are not applicable if valve is secured in its isolated position with power removed and either FCV-62-73 or FCV-62-74 is maintained operabic.
i
i H
l 1 ABt E 3.6-2 (Cont iimed)
N CONIAlllMElli 150lATIOt4 VAtVES S
g MAXIMUM ISOLAlldH 'llME (Seconds)
FUNCTION VALVE NUMBER s
PilASE "A" CONTAINMENT VENT ISOLATION (Cont.)
C.
y 4*
Upper, Compt Purge Air Exh 4*
13.
FCV-30-50 Upper Compt Purge Air Exh 4*
14.
FCV-30-51 Upper Compt Purge Air fxh 4*
j 15.
FCV-30-52 16.
ICV-30.-53 Upper Compt Purge Air Exh 4*
~
Lower Compt Purge Air Exh 4*
17.
FCV-30-b6 Lower Compt Purge Air Exh 4*
18.
FCV-30-57 Inst Room Purge Air Exh 4*
19.
FCV-30-58 Inst Room Purge Air Exh S*
20.
FCV-30-59 Cntmt Bldg tWR Compt Air Hon S*
21.
FCV-90-107 Cntmt Bldg LWR Compt Air Hon S*
22.
FCV-90-108 Catut Bldg LWR Compt Air Hon S*
a a
23.
FCV-90-109 Cntmt Bldg LWR Compt Air Hon S*
24.
FCV-90-110 Cntml Bldg LWR Compt Air Hon 5*
m4 25.
FCV-90-111 Cntmt Bldg LWR Compt Air Hon S*
26.
FCV-90-113 Cntat Bldg LWR Compt Air Hon S*
27.
FCV-90-114 Cntml Bldg LWR Compt Air Hon S*
28.
FCV-90-115 Cntat Bldg LWR Compt Air Hon S*
29.
FCV-90-116 Cntut Bldg LWR Compt Air lion 30.
FCV-90-117 D.
OlllER Va'cuum Helief Isolation Valve t
25 25 1.
.FCV-30-46 Vacuum Relief Isolation Valve 25 t.
2.
FCV-30-47 Vacuum Relief Isolation Valve 3.
FCV-30-48
- Provisions of LCO 3.0.4 are not applicable if valve is secured in its isolated position t
with power removed.
- Provisions of LCO 3.0.4 are not applicable if valve is secured in its isolated position i
with power removed and either FCV-62-73 or FCV-62-74 is maintained operable.
t I
F,
(
I, TABLE 3.6-2 (Continued)
CONTAINMENT ISOLATION VALVES
]a y
MAXIMUM ISOLATION ilME (Seconds)
FUNCTION VALVE NUMBER i
Cl'i A.
PHASE "A" ISOLATION (Cont.)
10 32.
FCV-62-63 RCP Seals 10*#
33.
FCV-62-72 Letdown Line 10*#
~
34.
FCV-62-73 Letdown Line 10*#
35.
FCV-62-74 Letdown Line 20 36.
FCV-62-77 Letdown Line 10*
37.
FCV-63-23 Accum to lloid Up Tank 10*
38.
FCV-63-64 WDS N to Accum 2
39.
FCV-63-71 Accum to Hold'Up Tank 10*
10*
40.
FCV-63-84 Accum to Hold Up Tank 10*
41.
FCV-68-305 WDS N to PRT PRT t$ Gas Analyzer 10*
42.
FCV-68-307 10*
l R
43.
FCV-68-308 PRT to Gas Analyzer 10*
44.
FCV-70-85 CCS from Excess Lt On Hx 60*
T 45.
FCV-70-143 CCS to Excess Lt On fix 10*
Es 46.
FCV-77-9 RCOT Pump Disch 10*
47.
FCV-77-10 RCOT Pump Disch 10*
48.
FCV-77-16 RCOT to Gas Analyzer 10*
49.
FCV-77-17 RCOT to Gas Analyzer 10*
50.
FCV-77-18 RCOT and PRT to V 11 10*
51.
FCV-77-19 RCOT and PRT to V ll 10*
52.
FCV-77-20 N to RCOT 53.
FCV-77-127 F$oorSumpPumpDisch 10*
10*
54.
FCV-77-128 Floor Sump Pump Disch 10*
55.
FCV-81-12 Primary Water Makeup 10*
56.
FCV-87-7 Ull! Test Line 10*
57.
FCV-87-8 UllI Test Line 10*
58.
FCV-87-9 UllI Test Line 10*
59.
FCV-87-10 UllI Test Line 10*
60.
FCV-87-11 UllI Test Line 20 61.
FCV-2G-240 Fire Protection Isol.
20 62.
FCV-26-243 Fire Protection Isol.
l t.
y' i
TABLE 3.6-2 (Continued)
M CONTAINMENT ISOLATION VALVES l
8 s
MAXIMUM ISOLATION TIME (Seconds)
FUNCTION l-I VALVE NUMBER ci'i A.
PHASE "A" ISOLATION (Cont.)
10 32.
FCV-62-63 RCP Seals 10*#
N 33.
FCV-62-72 Letdown Line 1&#
1 34.
FCV-62-73 Letdown Line 10*#
Letdown Line 35.
FCV-62-74 20 j
l 36.
FCV-62-77 Letdown Line 10*
37.
FCV-63-23 Accum to Hold Up Tank 10*
- i 38.
FCV-63-64 WDS N to Accum 2
10*
39.
FCV-63-71 Accum to Hold Up Tank 10*
40.
FCV-63-84 Accum to Hold Up Tank 10*
41.
FCV-68-305 WOS N to PRT '
10*
PRTt$GasAnalyzer 42.
FCV-68-307 10*
R 43.
FCV-68-308 PRT to Gas Analyzer 10*
44.
FCV-70-85 CCS from Excess Lt Dn Hx 60*
I
?
45.
FCV-70-143 CCS to Excess Lt Dn lix 4
10*-
i Es 46.
FCV-77-9 RCOT Pump Disch 10*
47.
.FCV-77-10
'RCDT Pump Disch 10*
j.
10*
- l 48.
FCV-77-16 RCDT to Gas Analyzer RCOT to Gas Analyzer 10*
49.
FCV-77-17 50.
FCV-77-18 RCOT and PRT to V H 10*
51.
FCV-77-19 RCOT and PRT to V H 10*
52.
FCV-77-20 N., to RCOT 10*
8 53.
FCV-77-127 Fioor Sump Pump Disch 10*
,54.
FCV-77-128 Floor Sump Pump Disch 10*
55.
FCV-81-12 Primary Water Makeup 10*
56.
FCV-87-7 UllI Test Line 10*
i' 57.
FCV-87-8 Ull! Test Line 10*
l 58.
FCV-87-9 UllI Test Line im 59.
FCV-87-10 U111 Tes. *ine 10*
60.
FCV-87-11 UllI Test line 20 61.
FCV-26-240 Fire Prottttio isol.
20 62.
FCV-26-243 Fire Protettim.. Isol.
i i,
,