ML19211A156

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Requests Addl Info Re 791019 Request for Deletion of FSAR Amend 35 Concerning Containment Air Dilution Sys.Forwards GE Tech Specs for Use as Models in Preparing Appropriate Specs
ML19211A156
Person / Time
Site: Pilgrim
Issue date: 10/30/1979
From: Ippolito T
Office of Nuclear Reactor Regulation
To: Andognini G
BOSTON EDISON CO.
Shared Package
ML19211A157 List:
References
NUDOCS 7912170106
Download: ML19211A156 (2)


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NUCLEAR REGULATORY CCMMISSION

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g WASHWGTON. D. C. 20555 s, g jj October 30, 1979 Docket No. 50-293 Mr. G. Carl Andognini Boston Edison Company M/C NUCLEAR 800 Boylston Street Boston, Massachusetts 02199

Dear Mr. Andognini:

In your letter of October 19, 1979, you stated that an analysis of the present Pilgrim Nuclear Power Station (PNPS) design indicated that the

. station complies with 10 CFR 50.44, felying on existing equipment.

Therefore, you have concluded that a Containment Air Dilution (CAD) system is not required and requested that we delete FSAR Amendment 35 frcm your docket.

Since the staff had concluded during the original licensing review of PNPS that a hydrogen control system should be provided for the facility, we will need additional information in order to detemine that this capability exists as you have stated.

We recuest that you submit within 60 days of your receipt of this letter, an analysis of the existing equipment which demonstrates confomance with 10 CFR 50.44.

Please include sufficient detail for us to evaluate

. equipment compliance with 10 CFR 50 Appendix A Criteria 41, 42 and 43.

Your submittal should also include progosed Technical Specifications for the existing equipment that would be used for post-LOCA hydrogen control. We have included an excerpt from the latest version of GE-BWR STS (NUREG 0123 Revision 2) for your use a*s a model.in preparing appropriate specifications.

Your ccoperation with us is appreciated.

Sincerely,

%^

W G

'olito, Ipp ief Themas n.

Operating Reactors Branch #3 7

Division of Operating Reactors

Enclosure:

Excerpt from GE-STS 1595 042 cc w/ enclosure:

See page 2 7912170id

Mr. G. Carl Andognini Cc Mr. Paul J. McGuire Pilgrim Station Acting Manager Boston Edison Company RF0 fl, Rocky Hill Road Plymouth, Massachusetts 02360

' Anthony Z. Roisman Natural Resources Defense Council 917 15th Street, N. W.

Washington, D. C.

20005 Henry Herrmann, Esquire Massachusetts Wildlife Federation 151 Tremont Street Boston, Massachusetts 02111 Plymouth Public Library North Street Plymouth, Massachusetts 02360 1595 043 e

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