ML20134C590

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Proposed Tech Spec Changes to Sections Re Standby Gas Treatment Sys & Control Room High Efficiency Air Filtration Sys
ML20134C590
Person / Time
Site: Pilgrim
Issue date: 08/09/1985
From:
BOSTON EDISON CO.
To:
Shared Package
ML20134C580 List:
References
NUDOCS 8508160363
Download: ML20134C590 (3)
v • d • e


Text

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1. Standby Gas Treatment System 1. Standby Gas Treatment System l a. Except as specified in a. (1.) At least once every 3.7.B.I.c below, both trains 18 months, it shall y of the standby gas treatment be demonstrated that system and the diesel genera- pressure drop across tors required for operation the combined high of such trains shall be oper- efficiency filters able at all times when and charcoal adsorber secondary containment integ- banks is less than 8 rity is required or the inches of water at reactor shall be shutdown in 4000 cfm.

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

b. (1.) The results of the in- 18 months, demonstrate place cold DOP tests on that the inlet heaters HEPA filters shall show on each train are

>99% DOP removal. The operable and are cap-results of halogenated able of an output of hydrocarbon tests on at least 14 kW.

charcoal adsorber banks shall show >99% halo-genated hydrocarbon removal.

(2.) The results of the lab- (3.) The tests and analysis oratory carbon sample of Specification 3.7.

analysis shall show B.I.b. shall be per-

>95% methyl iodide re- formed at least once moval at a velocity every 18 months or within 10% of system de- following painting, sign, 0.5 to 1.5 mg/m' fire or chemical re-Inlet methyl lodide con- lease in any ventila-centration, >70% R.H. tion zone communicat-and >l90*F. The ing with the system analysis results are to while the system is be verified as acceptable operating that could within 31 days after contaminate the sample removal, or de- HEPA filters or clare that train inopera- the charcoal ble and take the actions adsorbers.

specified in 3.7.B.I.c.

(4.) At least once every l c. From and after the date that 18 months, automatic one train of the Standby Gas initiation of each Treatment System is found to branch of the stand-be inoperable for any reason, by gas treatment continued reactor operation, system shall be trradiated fuel handling, or demonstrated, with new fuel handling over the Specification 3.7.

spent fuel pool or core is B.I.d satisfied.

l Amendment No. 158 8508160363 508098 PDR ADOCK 05000293 P S PDR

/CIMITING CONDIT?0NS FOR OPERATION SURVEILLANCE REQUIREMENTS 3.7.8 (Continued) 4.7.B (Continued) permissible only during the succeeding seven days pro-l viding that within two hours

' all active components of the other Standby Gas Treatment train shall be demonstrated to be operable. (5.) Each train of the standby gas treat-

d. Fans shall operate within ment system shall be 110% of 4000 cfm. operated for at least 15 minutes per month,
e. Except as specified in 3.7.B.I.c, both trains of (6.) The tests and analysis the Standby Gas Treatment of Specification 3.7.

System shall be operable dur- B.1.b.(2) shall be ing irradiated fuel handling, performed after every or new fuel handling over 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system the spent fuel pool or core. operation.

If the system is not opera-bie, fuel movement may not b. (1.) Inplace cold 00P test-be started. Any fuel ing shall be performed assembly movement in progress on the HEPA filters may be completed, after each completed or partial replacement of the HEPA filter bank and after any structural maintenance on the HEPA filter sys-tem housing which could affect the HEPA filter s bank bypass leakage.

(2.) Halogenated hydrocarbon testing shall be per-formed on the charcoal adsorber bank after each partial or com-plete replacement of the charcoal adsorber bank or after any structural main-tenance on the charcoal adsorber housing which could affect the charcoal adsorber bank bypass leakage.

i

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i Amendment No. 158A

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c. From and after'the date (4.) Each train shall be that one train of the operated with the Control Room High heaters in automatic Efficiency Air Filtration for at least 15 min-System is made or found to utec every month, be incapable of supplying filtered air to (5.) The test and analysis the control room for of Specification 3.7.8.

any reason, reactor opera- 2.b.(2) shall be tion or refueling operations performed after every are permissible only during 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system the succeeding 7 days pro- operation.

viding that within two hours all active components of the c. At least once every 18 other CRHEAF train shall be months demonstrate the demonstrated operable. If ability of the heaters to the system is not made fully perform their design operable within 7 days, function.

reactor shutdown shall be initiated and the reactor 3. Perform an instrument func-shall be in cold shutdown tional test on the humidistat within the next 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> and controlling the heaters once irradiated fuel handling per 18 months.

operations shall be termi-nated within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />. (Fuel handling operations in pro-gress may be completed).

d. Fans shall operate within 107. of 1000 cfm.

Amendment No. 158C

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