ML20236B089
| ML20236B089 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 10/14/1987 |
| From: | DUKE POWER CO. |
| To: | |
| Shared Package | |
| ML20236B079 | List: |
| References | |
| NUDOCS 8710230333 | |
| Download: ML20236B089 (1) | |
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1 CONTAINMENT' SYSTEMS CONTAINMENT PURGE SYSTEMS i
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LIMITING CONDITION FOR OPERATION 3.6.1.9 Each containment purge supply and exhaust isolation valve shall be OPERABLE and:
Each containment purge' supply and/or exhau4+. isolation valve for the I
a.
lower compartment and the upper compartment.(24-inch), instrument l
room (12-inch), and t'ae Hydrogen Purge System (4-inch) shall be l
sealed closed, and l
b.
The Containment Air Release an -
tion System (4-inch) isolation l
valve (s) may be open for up
-G00& ours during a calendar year.
3 coo APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTION:
With any containment purge supply and/or exhaust isolation valve-for a.
the lower compartment and the upper compartment, or instrument room, or Hydrogen Purge. System open or not sealed closed. close and/or seal closed that valve or isolate the penetrations (s),within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, otherwise'be in at least HOT STANOBY within the hext 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
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b.
With the Containment Air R.sise and Addi on' System isolation valve (s) open for moFe th y
hour ring a, calendar year, close the open ' valve (s) or isolate the penetration (s) witnin 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, otherwise be in at'least HOT STANDBY within the; nnxt 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and in COLD SHUTOOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
With a containment purge supply and/or exhaust isolation valve (s) c.
having a measured leakage rate in excess of the limits of Specifi-cations 4.6.1.9.3 and/or 4.6.1.9.4, restore the inoperable valve (s) to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, otherwise be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and in C,CLO SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
8710230333 B71014 ADOCK0500g3 SURVEILLANCE REQUIREMi.NTS PDR P
a. 6.1. 9.1 Each containment purge supply and/or exhaust isotaf. ion valves for tne lower compartment and tne upper containment, or instrument room, or Hyorogen Purge System snall be verified to be sealed closed at least once per 31 days.
4.6.1.9.2 The cumulative time that the Containment Air Release and Addition
. System has been opeo during a calendar year shall be determined at least once per 7 days.
CATAWBA - UNITS 1 & 2 3/4 6-16
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