ML040630721
| ML040630721 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 02/27/2004 |
| From: | NRC/NRR/DLPM |
| To: | |
| Shukla G, NRR/DLPM/LPDIV-2/415-8439 | |
| Shared Package | |
| ML040630575 | List: |
| References | |
| Download: ML040630721 (6) | |
Text
CRVS 3.7.10 3.7 PLANT SYSTEMS 3.7.10 Control Room Ventilation System (CRVS)
LCO 3.7.10 Two CRVS trains shall be OPERABLE.
T__
i IV Li I =_
The Control Room boundary may be opened intermittently under administrative controls.
APPLICABILITY:
MODES 1, 2, 3, 4, 5, and 6.
During movement of Irradiated fuel assemblies.
ACTIONS NOTE-ACTIONS apply simultaneously to both units.
CONDITION REQUIRED ACTION COMPLETION TIME A.
One CRVS train inoperable. A.1 Restore CRVS train to 7 days OPERABLE status.
B. Two CRVS trains B.1 Restore control room 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> inoperable due to boundary to OPERABLE inoperable control room status.
boundary in MODE 1, 2, 3, or 4.
C. Required Action and C.1 Be In MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion AND Time of Condition A not met in MODE 1, 2, 3, or 4.
C.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> (continued)
I.
I DIABLO CANYON - UNITS I & 2 3.7-18 Unit 1 -Amendment No. 43, 163 Unit 2 -Amendment No. 435,165
CRVS 3.7.10 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Required Action and D.1.1 Place OPERABLE Immediately associated Completion CRVS train in Time of Condition A not pressurization mode.
met in MODE 5 or 6, or AND during movement of irradiated fuel assemblies.
D.1.2 Verify that the Immediately OPERABLE CRVS train is capable of being powered by an OPERABLE emergency power source.
. D.2.1 Suspend CORE Immediately ALTERATIONS AND 0.2.2 Suspend movement of Immediately irradiated fuel assemblies.
(continued)
I I
I DIABLO CANYON - UNITS 1 & 2 3.7-18a Unit 1 - Amendment No. 435,163 Unit 2 -Amendment No. 435,165
CRVS 3.7.10 e
ACTIONS (continued) t CONDITION REQUIRED ACTION COMPLETION TIME E. Two CRVS trains E.1 Suspend CORE Immediately inoperable in MODE 5 OR ALTERATIONS.
6, or during movement of irradiated fuel assemblies.
AND E.2 Suspend movement of Immediately irradiated fuel assemblies.
F. Two CRVS trains F.1 Enter LCO 3.0.3.
Immediately inoperable In MODE 1, 2, 3, or 4 for reasons other than Condition B.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.10.1 Operate each CRVS train for 2 15 minutes.
31 days SR 3.7.10.2 Verify that each CRVS redundant fan is aligned to 31 days receive electrical power from a separate OPERABLE vital bus.
SR 3.7.10.3 Perform required CRVS filter testing in In accordance with accordance with the Ventilation Filter Testing VFTP Program (VFTP).
SR 3.7.10.4 Verify each CRVS train automatically switches 24 months into the pressurization mode of operation on an actual or simulated actuation signal.
SR 3.7.10.5 Verify one CRVS train can maintain a positive 24 months on a pressure of 2 0.125 Inches water gauge, relative STAGGERED TEST to the outside atmosphere during the BASIS pressurization mode of operation.
I I.
DIABLO CANYON - UNITS I & 2 3.7-19 Unit 1 - Amendment No. 435 442,163 Unit 2 - Amendment No. 4-5 442,165
ABVS 3.7.12 3.7 PLANT SYSTEMS 3.7.12 Auxiliary Building Ventilation System (ABVS)
LCO 3.7.12 Two ABVS trains shall be OPERABLE.
APPLICABILITY:.
MODES 1,2,3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME
-A. The common HEPA filter A.1 Restore the common 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and/or charcoal adsorber HEPA filter and charcoal inoperable.
adsorber to OPERABLE status.
B.
One ABVS train inoperable.
B.1 Restore ABVS train to 7 days OPERABLE status C. Required Action and C.1 Be in MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion AND Time not met.
C.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.7.12.1 This surveillance shall verify that each ABVS train is aligned to receive electrical power from a separate OPERABLE vital bus.
Operate each ABVS train fork 15 minutes.
31 days I
I SR 3.7.12.2 Perform required ABVS filter testing in accordance with the Ventilation Filter Testing Program (VFTP).
In accordance with the VFTP E
NOTE a---
SR is not applicable to a specific ABVS train when that ABVS train is configured and performing its safety function.
SR 3.7.12.3 Verify each ABVS train actuates on an actual or 24 months simulated actuation signal and the system realigns to exhaust through the common HEPA filter and charcoal adsorber.
(continued)
DIABLO CANYON - UNITS 1 & 2 3.7-21 Unit 1 - Amendment No. 435,163 Unit 2 - Amendment No. 435,165s
FHBVS 3.7.13 3.7 PLANT SYSTEMS 3.7.13 Fuel Handling Building Ventilation System (FHBVS)
LCO 3.7.13 APPLICABILITY:
Two FHBVS trains shall be OPERABLE.
During movement of recently irradiated fuel assemblies in the fuel handling building.
I
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1141j I I LCO 3.0.3 is not applicable.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
One FHBVS train A.1 Restore FHBVS train to Immediately inoperable.
OPERABLE status.
B. Required Action and B.1 Place the OPERABLE Immediately associated Completion FHBVS train in operation Time of Condition A not and verify that it is met during movement of capable of being irradiated fuel assemblies inr powered from an the fuel building.
OPERABLE emergency power source.
OR B.2 Suspend movement of Immediately Irradiated fuel assemblies in the fuel handling building.
C. Two FHBVS trains C.1 Suspend movement of Immediately inoperable during Irradiated fuel movement of Irradiated fuel assemblies in the fuel assemblies in the fuel handling building.
building.
DIABLO CANYON - UNITS I & 2 3.7-23 Unit I - Amendment No. 435,163 Unit 2 -Amendment No. 435,165
Programs and Manuals 5.5 5.5 Programs and Manuals 5.5.11 Ventilation Filter Testinq Program (VFTP) (continued)
- c.
Demonstrate for each of the ESF systems that a laboratory test of a sample of the charcoal absorber, when obtained as described in Regulatory Guide 1.52, Revision 2, shows the methyl Iodide penetration less than the value specified below when tested in accordance with ASTM D3803-1989 at a temperature of 30°C and at the relative humidity specified below. Laboratory testing shall be completed at least once per 24 months and after every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal operation.
ESF Ventilation System Penetration RH Control Room 2.5%
95%
Auxiliary Building 15.0%
95%
Fuel-Handling Building 15.0%
95%
- d.
Demonstrate for each of the ESF systems that the pressure drop across the combined HEPA filters and the charcoal adsorbers is less than the value specified below when tested in accordance with ANSI N510-1980 at the system flowrate specified below +/- 10% at least once per 24 months.
ESF Ventilation System Delta P Flowrate Control Room 3.5 in. WG 2100 cfm Auxiliary Building 3.7 in. WG 73,500 cfm Fuel Handling Building 4.1 in. WG 35,750 cfm The provisions of SR 3.0.2 and SR 3.0.3 are applicable to the VFTP test frequencies.
5.5.12 Explosive Gas and Storage Tank Radioactivity Monitoring Program This program provides controls for potentially explosive gas mbdtures contained in the Waste Gas Holdup System, the quantity of radioactivity contained in gas storage tanks, and the quantity of radioactivity contained in temporary unprotected outdoor liquid storage tanks.
The gaseous radioactivity quantities shall be determined following the methodology in Regulatory Guide 1.24 "Assumptions Used For Evaluating the Potential Radiological Consequences of a Pressurized Water Reactor Radioactive Gas Storage Tank Failure."
The liquid radwaste quantities shall be maintained such that 10 CFR Part 20 limits are met.
(continued)
DIABLO CANYON - UNITS 1 & 2 5.0-21 Unit 1 - Amendment No. 435 442,163 Unit 2 - Amendment No. 435 442,165