ML17306A378
| ML17306A378 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 12/30/1991 |
| From: | ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | |
| Shared Package | |
| ML17306A377 | List: |
| References | |
| NUDOCS 9201070164 | |
| Download: ML17306A378 (6) | |
Text
6 1-04549-WFC/J CO tgTPQLLED B'P U/december 30, 1991-CONTAINMENT SYSTEMS CONTAINMENT VENTILATION SYSTEM LIMITING CONDITION FOR OPERATION 3.6.1.7 Each containment purge supply and exhaust isolation valve shall be OPERABLE and: a.Each 42-inch containment purge supply and exhaust isolation valve shall be sealed closed.b.The 8-inch containment purge supply and exhaust isolation valves shall be sealed closed to the maximum extent practicable but may be open for purge system operation for pressure control, for ALARA and respirable air quality considerations for personnel entry and for surveillance tests that require the valve to be open.APPLICABILITY:
MODES 1, 2, 3, and 4.ACTION: a.With a 42-inch con a)nment purge supply and/or exhaust isolation-valve(s)open or not sealed closed, close and/or seal close the open valve(s)or'solate the penetration 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 HO~N-BGWH 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 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 />.D.With an 8-inch containment pur e supp y and/or exhaust isolation valve(s)open for reasons oth r than given in 3.6.1.7.b above, close the open 8-inch valve(s)or solate the penetration(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 5%36WN 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 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 />.c..With a containment purge supply and/or exhaust isolation valve(s)having a measured leakage rate exceeding the limits of Specifica-tions 4.6.1.7.2 and/or 4.6.1.7.3, restore the inoperable valve(s)to OPERABLE status or isolate the penetrations.such that the measured leakage rate does not exceed the limits of Specifications 4.6.1.7.2 and/or 4.6.1.7.3 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 MU&eWN 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 COLD SHUTDOWN within th foll owin 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.swag SURVEILLANCE RE UIREMEN CO RK OlAQ I AO~O QO cl hC WU e-I Q OA O OK C'3 A 000 4.6.1.7.1 Each 42-inch containment purge supply and exhaust isolation valve shall be verified to be sealed closed at least once per 31 days.4.6.1.7.2 At least once per 6 months on a STAGGERED TEST BASIS each sealed closed 42-inch containment purge supply and exhaust isolation valve with resilient material seals shall be demonstrated OPERABLE by verifying that the measured leakage rate is less than or equal to 0.05 L when pressurized to P.a 4.6.1.7.3 At least once per 92 days each 8-inch containment purge supply and exhaust isolation valve with resilient material seals shall be demonstrated INOPERABLE by verifying that the measured leakage rate is less than or equal to 0.01 L when pressurized to P.a 4.6.1.7.4 Each 8-inch containment purge supply and exhaust isolation valve shall be verified to be sealed closed or open in accordance with specifica-tion 3.6.1.7.b at least once per 31 days..PALO VERDE" UNIT 1 3/4 6" 14=CG~TRQLILED BY USER J dj~
CG TiRGiLILIED BY U CONTAIiVMENT SYSTEMS CONTAINMENT VENTILAT:ON SYSTEM LIMITIiVG"ONOITION FOR OPERATION 161-04549-WFC/JCO ecember 30, 1991 3.6.1.7=ach conta'"ment purge supply and exhaus isolation valve shall be OPERABLE and: a.Each 42-inch containment purge supply and exhaust isolation valve shall be sealed closed.b.The 8-inch containment purge supply and exhaust isolation valves shall be sealed closed to the maximum extent practicable but may be open for purge system operation for pressure control, for ALARA and respirable air quality considerations for personnel entry and for surveillance tests that'equire the valve to be open.APPLICABILITY:
MODES 1, 2, 3, and 4.ACTI."iV: s~r}PDRV'ith a 42-'nch containment purge supply and/or exhaust isolation valve(s)ooen or not scale'd closed;-close and/or seal close the open valve(s)or'solate the penetration 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 HO~MBGHH within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> ana in COLD SHUTDOMN within the follcwing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.Mith an 8-incn containment purg supply and/or exnaust isoiation valve(s)coen for reasons othe than given in 3.6.1.7.b above, close the open 8-ircn valve(s)or'i olate tne penetration(s) within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, otherwise oe in at least HOT'ithin the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLO SHUTDOWN 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)having a measured leakage rate exceeding the limits of Specifica-tions 4.6.'.7.2 and/or 4.6.1.7.3, restore the inoperaole valve(s)to OPERABLE status or isolate the penetrations such tnat the measured leakage rate does not exceed the limits of Specifications 4.5.1.7.2 and/or 4.6 1.7.3 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'ithin the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLO SHUTDOWN within th followi n 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.S sAPgQQ SURV"ILLANCE REOUIREMENT 4.6.i..7.1 Each 42-inch containment purge supply and exhaust isolation valve shal'i be:erified tc be sealed closed at least once per 31 days.4.6...7.2 At least once oer 6 months on a STAGGERED TEST BASIS each sealed closed 42-inch containment purge supply and exhaust isolation valve with resi'ient material seals shall be demonstrated OPERABLE by verifying that the measured':eakage rate is less than or equal to 0.05 L when pressurized to P.4.6..7.3 At least once per c2 days each 8-inch containment purge supply and exhaust isolation valve with resilient material seals shall be demonstrated OPER<<BL="v verifying that the measured leakage rate is less than or equal to 0.01'inen pressur'.'zed:o P.C a'.6.'.7.4 Each 8-incn containment purge supply and exhaus.isolation valve shal'.be verified to be sealed closed or open in accordance with specifica-ti'on 3,6.".7.b at least once per 31 days.CSMTRGILILED BY USEIR
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~~~~e~161-04549-UFC/JCO December 30, 1991 CONTAINMENT SYSTEMS CONTAINMENT VENTILATION SYSTEM LIMITING CONDITION FOR OPERATION 3.6.1.7 Each containment purge supply and exhaust isolation valve shall be OPERABLE and.a.Each 42-inch containment purge supply and exhaust isolation valve shall be sealed closed.b.The 8-inch containment purge supply and exhaust isolation valves shall be sealed closed to the maximum extent practicable but may be open for purge system operation for pressure control, for ALARA and respirable air quality considerations for personnel entry and for surveillance tests that require the valve to be open.APPLICABILITY:
MODES 1, 2, 3, and 4.ACT IOII: SgAM3 1/a.9iith a 42-inch containment purge supply a dn/r oexhaust isolation valve(s)open r not sealed closed, close and/or seal closed the open valve(s)or i olate the penetration 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-SHUTDOWN"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 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 />.S'DBIAr b.With an 8-inch containment purg supp y and/or exhaust.isolation valve(s)open for reasons othe than given in 3.6.1.7.b above, close the open 8-inch valve(s)or olate the penetration(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 UTCOW~ithin the next 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 />.c.With a containment purge supply and/or exhaust isolation valve(s)having a measured leakage rate exceeding the limits of Specifica-tions 4.6.l.7.2 and/or 4.6.l.7.3, restore the inoperable valve(s}to OPERABLE status or isolate the penetrations such that the measured leakage rate does not exceed the limits of Specifications 4.6.1.7.2 and/or 4.6.1.7.3 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 6HIRBGWH 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 COLD SHUTDOWN within the followin 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.KirbvM SURVEILLANCE RE UIREMENTS 4 6 1.7.1 Each 42-inch containment purge supply and exhaust isolation valve shall be verified to be sealed closed at least once per 31 days.4.6.1.7.2 At least once per 6 months on a STAGGERED TEST BASIS each sealed closed 42-inch containment pu'rge supply and exhaust isolation valve with resilient material seals shall be demonstrated OPERABLE by verifying that the measured leakage rate is less than or equal to 0.05 L when pressurized to P.a a'.6.1.7.3 At least once per 92 days each 8-inch containment purge supply and exhaust isolation valve with resilient material seals shall be demonstrated OPERABLE by verifying that the measured leakage rate is less than or equal to 0.01 L when pressurized to P.a'~6.1~7.4 Each 8-inch containment purge supply and exhaust isolation valve shall be verified to be sealed closed or open in accordance with Specifica-tion 3.6.1.7.b at least once per 31 days, PALO VERDE-UNIT 3 3/4 6-14 r~~~~