ML20032C695
| ML20032C695 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 11/04/1981 |
| From: | BOSTON EDISON CO. |
| To: | |
| Shared Package | |
| ML20032C690 | List: |
| References | |
| NUDOCS 8111100748 | |
| Download: ML20032C695 (3) | |
Text
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3,7.8 Standbv Gas Treatment ( -tem and 4.7.8 Standby is Treatment System and Control Room With Effiuency Air Control' ;oom High Efficiency Air
- filtration Systel Filtration System L
Standby Sas Treatment System 1.
Standby Gas Treatment System a.
Except as specified in
- a. (1.) At least once every 18 3.7.8.1.c below, both trains months, it shall be of the standby gas treatment demonstrated that pressure system and the diesel genera-drop across the combined tors required for operation of high efficiency filters such trains shall be operable and charcoal adsorber banks at all times when secondary is less than 8 inches of containment integrity is water at 4000 cfm.
required or the reactor shall be shutdown.in 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />.,
(2.) At least once every 18 months, demonstrate b.
(1.) The results of the in-that the inlet heaters place cold DOP tests on on each train are HEPA filters shall show operable and are capable
>99% DOP removal. The of an output of at least results of halogenated 14 kW. Perfonn an hydrocarbon tests on instrument functional charcoal adsorber banks test on the humidistats shall show t99% halogenat-
, controlling the heaters.
ed hydrocarbon removal.
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(3.)Thetestsandanalysisof (2.) The results of the Specification 3.7.B.1.b.2 laboratory carbon sample shall be perfomed at least analysis shall show >95%
once every 18 months or methyl iodide removaT at following painting, fire a velocity within 10% of or chemical release in any system design, 0.5 to ventilation zone communicat-1.5 mg/m3 inlet methyl ing with the system while, iodide concentration, the system is operating that
>70% R.H. and >190cF.
could contaminate the HEPA f'il'ters or charcoal adsorbers.
- c.
From and after the date that one train of the Standby Gas (4.) At least once every 18 Treatment System is made or months, automatic found to be inoperable for initiation of each branch any reason, continued of the standby gas reactor operation or fuel M treatrent system shall handling is permissible only be demonstrated, with during the succeeding seven Specification 3.7.B.1.d days providing that within satisfied.
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and daily thereafter, all active components of the (5.)Eachtrainofthestandby other standby gas treatment gas treatment system shall train shall be demonstrated be operated for at least to be operable.
15 minutes per month.
d.
Fans shall operate within (6.) The tests and analysis of
+10% of 4000 cfm.
Speci fica *. ion 3. 7. B.1. b. (2) shall be performed after every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation.
- Conditional Relief granted from this LC0 for the period November 4 158 through November 24, 1981.
811110074s sii104 PDR ADOCK 05000293 P
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PDR m m.
w 3.7.8 (Ccntinued) 4.7.8 (Con.4:ved)
O e.
Except as specified in
- b. (1.) Inplace cold DOP testing 3.7.8.1.c. both trains of shall be performed on the the standby gas treatment HEPA filters after each system shall be operable completed or partial during fuel handling replacement of the HEPA operations. If the
. filter
- bank and after any system is not operable structural maintenance on fuel movement shall not the HEPA filter system be started (any fuel housing which could affect assembly movement in the HEPA filter bank progress may be completed).
bypass leakage.
(2.) Halogenated hydrocarbon testing shall be performed on the charcoal adsorber bank after each partial or complete replacement of the charcoal adsorber bank or after any struc-tural maintenance on the charcoal adsorber housing which could affect the charcoal adsorber bank bypass leakage.
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- Conditional Relief granted from this LC0 for the period November 4 through November 24, 1981.
158A
,-m 4--,...,-
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^ i 7.h (Contir.ued) 4.7.8 (Con', tued) 2.
Control Room High Efficiency Air 2.
Control Room High Efficiency Air Filtration System Filtration System
- a.
Except as specified in a.
At least once every 18 Specification 3.7.8.2.c months the pressure drop below, both trains of the across each. combined filter Control Room High Efficiency train shall be demonstrated
.Atr Filtration System used to be less than 3 inches or for the processing of inlet water at 1000 cfm.
air to the control room under accident conditions and the b.
(1.) The tests and analysis of.
diesel generator (s) required Specification 3.7.B.2.b for operation of each shall be performed once train of the system shall every 18 months or be operable whenever secondary following painting, fire containment integrity is or chemical release in required and during fuel any ventilation zone handling operations, comunicating with the system while the system b.
(1.) The results of the in-is operating.
place cold DOP tests on HEPA filters shall show
>99% DOP removal. The (2.)InplacecoldDOPtesting esults of the halogenat-shall be performed after
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ed hydrocarbon tests on each complete or partial charcoal adsorber banks replacement of the HEPA shall show >99f, halogenat-filter bank or after any ed hydrocarFon removal structural maintenance when test results are on the system housing extrapolated to the which could affect the initiation of the test.
HEPA filter bank bypass leakage.
(
fa (3.) Halogenated hydrocarbon ator c rbon sample analysis shall show >95%
testing shall be performeo methyl fodide removaT at after each complete or a velocity within 10% of partial replacement of system design, 0.05 to the charcoal adsorber 0.15 mg/m3 inlet methyl bank or after any iodide concentration, structural maintenance
>70% R.H., and >1250F.
on the system housing which could affect the
- c.
From and after the date that charcoal adsorber bank one train of the Control Room bypass leakage.
High Efficiency Air F.iltration (4.) Each ' train shall be System is made or found to be incapable of supplying filtered operated with the heaters air to the control room for any in automatic for at least reason, reactor operation or.
15 minutes every month.
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refueling operations are permissible only during the (5.) The test and analysis of succeeding 7 days.
If the S eci fica tion 3.7.8.2.b. (2*'
be pfd after system,is not made fully oper-atile within 7 days, reactor every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system I
- Conditional Relief granted.from this LCO for the period November 4 158B l
thfough November 24, 1981.
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