ML20030D002
| ML20030D002 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 08/26/1981 |
| From: | VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | |
| Shared Package | |
| ML20030D000 | List: |
| References | |
| NUDOCS 8108310257 | |
| Download: ML20030D002 (11) | |
Text
01D Op 3l3 TABLE OF CONTENTS (Con ' t)
DL) hN$
LIMITING CONDITIONS OF OPERATION ng m
Page No.
SURVEILLA_?'_CE.
- K u N 3.1 REACTOR PROTECTION SYSTEM.
18 4.1 g
u(D O"3.2 PROTECTIVE INSTRUMENT SYSTEMS.
32 4.2 o
O(D "O M M O NCF A.
Emergency Core Cooling System.
32 A
- o =
B.
Primary Containment Isolation.
33 B
C.
Reactor Building Ventilation Isolation and Standby Gas Treatment System Initiation 33 C
D.
Air Ejector Off-Gas System Isolation 33 D
E.
Control Rod Block Actuation.
J3 E
F.
Mechanical Va :uum Pump Isolation 34 F
C.
Post-Acci:ent Instrumentation.
34 G
H.
Drywell tu Torus 4LP Instrumentation.
34 H
I.
Recircula' ion Pump Trip Instrumentation.
34a I
i 3.3 CONTROL ROD SYSTEM 68 4.3 A.
Reactivity Limitations 68 A
B.
69 B
C.
.-cram Insertion Times.
72 C
i D.
Control Rod Accumulators 73 D
j.
E.
Reactivity Anomalies 74 E
3.4 REACTOR STANDBY LIOUID CONTROL SYSTEM.
79 4.4 A.
Normal Operation 79 A
i B.
Operation with Inoperable Components 80 B
C.
Liquid Poison Tank - Boron Concentration 80 C
3.5 CORE AND CONTAINHENT COOLING SYSTEMS 85 4.5 A.
Core Spray and Low Precsure Coolant Injection.
85 A
l B.
Containment Spray Cooling Capability 87 B
C.
Residual Heat Removal (RHR) Servic2 Water System 88 C
D.
Station Service Water and Alternate Cooling Tower Systems 89 D
6 E.
High Pressure Coolant Injection (HPCI) System.
91 E
1 TABLE OF CONTENTS (Co n ' t )
LIMITING CCNDITIONS OF OPERATION Page No.
SURVZILLANCE.
i F.
Automatic Depressurization System.
92 F
G.
Reactor Core Isolation Cooling System (RCIC) 93 G
H.
Minimum Core and Containment Cooling System Availability.
94 H
I Maintenance of Filled Discharge Pipe 95 I
3.6 REACTOR COGLANT SYSTEM 105 4.6 A.
Pressure and Temperature Limitations 105 A
l B.
Coolant Chemistry.
106 B
C.
Coolant Leakage.
108 C
D.
Sa fety and Relief Valves 108 D
E.
Structural Integrity 109 E
F.
Jet Pumps.
109 F
G.
Single Loop Operation.
110 H.
Recirculation System 110 I.
Shock Suppressors.
Il0a I
J.
Thermal Hydraulic Stability.
110b J
3.7 STATION CONTAINMENT SYSTEMS.
126 4.7 A.
Primary Containment 126 A
B.
Standby Gas Treatment 130 B
C.
Secondary Containment System 131 C
D.
Primary Containment Isolation Valves 132 D
3.8 PADIOACTIVE EFFLUENTS 147 4.8 d
A.
Liquid Effluents 147 A
B.
Radioactive Liquid Storage 149 B
4 C.
Gaseous Effluents.
149 C
3.9 RADIOACTIVE EFFLUENT MONITORING SYSTEMS.
161 4.9 A.
Liquid Effluent Monitoring System.
161 A
B.
Gaseous Ef fluent Monitoring System 162 B
C.
Liquid Process Monitors.
164 C
D.
Radiological Monitoring Program.
165 D
-lii-
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TABLE OF CONTENTS (Con ' t)
J LIMITING CONDITIONS OF OPERATION Page No.
SURVEILLANCE-3.10 AUXILIARY ELECTRICAL POWER SYSTEMS 173 4.10 A.
Norn.31 Operation 173 A
B.
Operation with Inoperable Cocponents 176 B
C.
Diesel Fuel.
177 C
4 3.11 REAC'IVR FUEL ASSEMBLIES.
180a 4.11 A.
Average Planar LHGR,
180a A
l B.
LHGR 180b B
C.
MCPR 180c C
1 3.12 REFFELING AND SPENT FUEL HANDLING.
181 4.12 A.
Refueling Interlocks 181 A
B.
Core Monitoring.
182 B
C.
Fuel Storage Pool Water Level.
183 C
i D.
Control Rod and Control Rod Drive Maintenance.
184 D
E.
Extended Core Maintenance.
184 E
1 F.
Fuel Movement.
185 F
t G.
Crane Operability.
185 G
H.
Spent Fuel Pool Water Temperature.
185a H
3.13 FIRE PROTECTION SYSTEM 187b 4.13 i
i
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VYNPS 3.13 Limiting Conditions for Operation 4.13 Surveillance Requirements C.
Fire Hose Stations C.
Fire Hose Stations 1.
Except as specified in 3.12.C.2 below, all hose 1.
Each fire hose station shall be stations inside the Reactor Building, Turbine verified to be operable:
Building, and those inside the Administration Building which provided coverage of the Control a.
At least monthly by visual Room Building shall be operable whenever inspection of the station to assure equipient in the areas protected by the fire hose all equipment is availcLle.
stations is required to be operabir,
b.
At least once each 18 months by 2.
With one or more of the fire hose stations removing the hose for inspection specified in 3.13.C.1 abc,e inoperable, route an and replacing degraded couplin?
additional equivalent capacity fire hose to the gaskets and reracking.
unprotected area (s) from an operable hose station within one hour.
c.
At least once each year by hydro-statically testing each outside hose at 250 lbs.
d.
.At least once per 3 years by hydro-statically testing inside hose at 150 lbs.
e At least once per 3 years, parcially open hose station valves
~
to verify va'.ve operability and no blockage.
i D.
High Pressure CO2 System D.
High Pressure CO2 System 1.
Except as specified in Specification 3.13.D.2, 1.
The CO2 system located :n the cable the CO2 systems located in the cable vault, vault, switchgear room, and diesel fire switchgear room, and diesel fire pump day tank pump day tank room shall be room shall be operable, whenever equipment in the demonstrated operabib area protected by the system is required to be operable,
a.
At least once per six months by verifying each CO2 cylinder does not contain less than 90% of its initial charge.
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VYNPS 3.13 Limiting conditions for Operation 4.13 Surveillance Requirements 2.
From and af ter the date that one of the sprinkler c.
At least once per 18 months by; systems specified in Table 3.13.F.1 is inoperable, a fire watch shall be established 1.
Cycling each valve in the flow within one hour to inspect the location with the path that is not testable inoperable sprinkler system at least once every during plant operation through hour. Restore the sprinkler system to operable at least one complete cycle of status within 14 days or submit a report within full travel.
the next 30 days to the Commission ar specified in 6.7.C.2 outlining the cause of the malfunction A visual inspection of the and the plans for restoring the system to sprinkler headers to verify operable status, their intergrity, and 3.
A visual inspection of each i
nozzle's spray area to verify that the spray pattern is not obstructed.
l 4.
Verifying that automatic valves j
actuate to their correct position frou a test signal.
I d.
At least once per 3 years by performing a flow test through each open head sprinkler header anc' verifying each open head sprir.kler nozzle is unobstructed, j 3.13.G Foam Systems 4.13.G Foam Systems 1.
Except as specified in Specification 3.13.G.2 1.
The foam system specified in 3.13.G below, the Recirculation M.G. Set Foam System shall be demonstrated operable.
shall be operable with its foam concentrate tank full (100 gallons) whenever the Recirculation a.
At least once per 12 monthr by M.G. Sets are operating.
cycling each testable valve in the flow path through at least one 2.
From ano af ter the cate that the Recirculation complete cycle of full travel.
M.G. Set Foam System is ineperable, a fire watch shall be established to inspect the location at b.
At least once per 18 months by:
least once every hour; and a foam nozzle shall be brought to the Reactor Building elevation containing the Recirculation M.G. Sets. A 100 gallon foam concentrate supply shall be available 187-h on site.
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VYhPS Table 3.13.A.1 Fire Detection Sensors Minimum No. Sensors Required to be Operable Sensor Location Heat r' lame Smoke 1.
Cable Spreading Room & Station Battery Room 23 2.
Switchgear Room 20 3.
Diesel Generator Room (A) 2 4.
Diesel Generator Room (B) 2 5.
Intake Atructure (Service Water) 1 1
1 6.
Recirc Motor Generator Set Area 3
8 7.a Control Room Zone 1 (Control Room Ceiling) 14 7.b Control Room Zone 2 (Control Room Panels) 18 7.c Control Room Zone 3 (Control Room Panels) 25 7.d Control Room Zone 4 (Control Room Panels) 10 7.e Control Roon zone 5 (Exhaust & Supply Ducts) 2 8.a Rx Bldg. Corner Rm NW 232 1
8.b Rx Bldg. Corner Rm NW 213 (RCIC) 1 8.c Rx Bldg. Corner Rm NE 232 1
8.d Rx Bldg. Corner Rm NE 213 1
1 8.e Rx Bldg. Corner Rm SE 232 8.f Rx Bldg. Corner Rm SE 213 1
8.g Rx Bldg. Corner Rm SW 232 1
9.
HPCI Room 8
187-j
=
i Table 3.13. A.1, cont.
Minimum No. Sensors Required to be Operable Sensor Location IIea t Flame Smoke i
10.
Torus area 12 16 l
11.
Rx. Bldg. Cable Penetration Area 7
12.
Refuel Floor 13 13.
Diesel Oil Day Tank Room (A) 1*
1*
14.
Diesel Oil Day Tank Room (B) 1*
1*
15.
Turbine Loading Bay (vehicles) 3 4
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The Diesel Day Tank Rooms require only one detector operable (1 flame g 1. smoke).
187-k e
VYMPS i
Table 3.13.F.1 Sprinkler Systems 1.
Reactor Building Penetration Area Preaction System 2.
Diesel Generater Room A System 3.
Diesel Generator Room B System 4.
Turbine Loading Pay System 5.
Diesel-driven Fire Pump System 187-1
VYNPS Bases:
3.13/4.13 Fire Protection Systems On May 11, 1976, Vermont Yankee received a letter from the NRC requesting that an in-depth evaluation of the existing fire protection systems be performed using Branch Technical Position (BTP) APCSD 9.5-1 as a guide. Concurren with this evaluation a fire hazards analysis of the entire plant complex was required.
In an effort to clarify the BTP an Appendix A was subsequently issued to specifically address operating plants.
Enclosed with this Appendix the NRC requested that proposed Technical Specifications on fire protection also be submitted. The subject section 3.13/4.13 and the following specific bases are those spelfications evolving from these efforts.
A.
The smoke, heat and flame detectors provide the early warning fire detection capability necessary to detect l
problems in vital areas of the plant.
Surveillance requirements assure these sensors and their associated instruments to be operable. When the equipment protected by the detectors is not required to be operable, specifications covering the sensors and instruments do not apply.
B,C,D, The Vital Fire Suppression Water System, CO2 systems, sprinkler systems and foam systems specifications are l
F and G. provided to meet pre-established levels of system operability in the event of a fire. These systems provide the necessary protection to assure safe reactor shutdown.
Periodic surveillance testing provides assurance that vital fire suppression systems are operable.
E.
Vital fire barrier penetration fire seals are provided to assure that the fire resistance rating of barriers is not reduced by a penetration.
Surveillance inspections shall be performed to insure that the integrity of these seals is maintained.
The diesel fire pump has a design consumption rate of 18 gallons of fuel per hour; therefore, 150 gallons provides for greater than 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> of operation. Additional fuel can be delivered in about one hour and additional fuel is on site. When the equipment prote.:ted by the fire protection systems is not required to be operable, the specifications governing the fire protection system do not apply.
i 187-m