ML20207Q263

Proposed Tech Specs,Revising Acceptance Criteria for Flow & Filter Train Differential Pressure for Control Room High Efficiency Air Filter Sys

ML20207Q263
Person / Time
Site:	Pilgrim
Issue date:	01/19/1987
From:	BOSTON EDISON CO.
To:
Shared Package
ML20207Q259	List: ML20207Q258 ML20207Q263
References
NUDOCS 8701270091
Download: ML20207Q263 (1)

Text

3.7.B (Continued) 4.7.8 (Continued)

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 months j Specification 3.7.B.2.c below, the pressure drop across each  !

both trains of the Control Room combined filter train shall be High Efficiency Air Filtration demonstrated to be less than 6 System used for the processing Inches of water at 1000 cfm or of inlet air to the control room the calculated equivalent.

under accident conditions and the diesel generator (s) required b. (1.) The tests and analysis for operation of each train of of Specification the system shall be operable 3.7.B.2.b shall be whenever secondary containment performed once every 18 Integrity is required and during months or following j fuel handling operations, painting, fire or i chemical release in any

b. (1.) The results of the inplace ventilation zone cold DOP tests on HEPA communicating with the filters shall show 199% system while the system DOP removal. The results is operating.

of the halogenated hydrocarbon tests on (2.) Inplace cold DOP testing charcoal adsorber banks shall be performed after shall show >99%

each complete or partial halogenated hydrocarbon replacement of the HEPA removal when test results Filter bank or after any are extrapolated to the structural maintenance initiation of the test. on the system housing which could affect the (2.) The results of the HEPA filter bank bypass laboratory carbon sample leakage, analysis shall show >95%

methyl lodido removaf at a (3.) Halogenated hydrocarbon velocity within 10% of testing shall be system desi performed after each 0.15 mg/m' gn, 0.05 toinlet methyl complete or partial lodido concentration, 1 0%

7 replacement of the R.H., and 1125'F. charcoal adsorber bank or after any structural

• c. From and after the date that one maintenance on the train of the Control Room High system housing which Efficiency Air Filtration System could affect the is made or found to be incapable charcoal adsorber bank of supplying filtered air to the bypass leakage.

control room for any reason, reactor operation or refueling (4.) Each train shall be operations are permissible only operated with the during the succeeding 7 days. heatsrs in automatic for If the system is not made fully at least 15 minutes

! operable within 7 days, reactor every month.

I

• Conditional Roller granted from this (5.) The test and analysis of LCO for the period February 5, 1982 Speelfication to startup for cycle 6. 3.7,0.2.b.(2) shall be 1 0701270091 070119 PDft 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system l

P ADOCK 05000293 operation.

port Amendment No. 1580 l

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