AECM-90-0078, Forwards Rev 4 to Fire Hazards Analysis. Design Changes Include Installation of Alternate DHR Sys & Access Hatch in Pipe Chase

From kanterella
(Redirected from ML20042G693)
Jump to navigation Jump to search
Forwards Rev 4 to Fire Hazards Analysis. Design Changes Include Installation of Alternate DHR Sys & Access Hatch in Pipe Chase
ML20042G693
Person / Time
Site: Grand Gulf Entergy icon.png
Issue date: 05/09/1990
From: Cottle W
SYSTEM ENERGY RESOURCES, INC.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20042G694 List:
References
AECM-90-0078, AECM-90-78, NUDOCS 9005150298
Download: ML20042G693 (2)


Text

p 3

___ / System g gpv Energy

- am,m -

1ei 001437 cao9 p

Wimam T. Cottle va ne m i May 9, 1990 Nxw owr.n 4

U.S. Nuclear Regulatory Cenmission Mail Station F1-137 E

Washington, D.C.

20555 Attention: Document Control Desk Gentlement

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 Licenso No. NPF-29 Submittal of Firo llazards Analysis Revision 4 AECM-90/0078 By letter (AECM-85/0164) dated May 18, 1985 System Energy Resources, Inc., (SERI) committed to provido the NRC with updatos of the Piro llazards Analysis (Fila) for Grand Gulf Nuclear Station (GGNS) on an annual basis.

SERI is providing the attachod Revision 4 af fccted pages of the Fila consistent with that commitment.

The changes being submitted result f rom implomonted design changos listed below, and editorial changes and clarifications which do not of feet the technical content of the Fila.

1 Design changes includo:

Installation of the A1tornato Decay lleat Removal System ( ADilRS). The ADilRS was added to a list of safety-related equipment in the Fila.

Installation of an acecas hatch in a pipe chase. The FliA was revised to include a descriptjon of this limited access.

The changes to the FHA have been evaluated and approved by a qualified fire protection engincor.

Yours truly, eFA WTC:mte Attachment i

cc:

(Sco Next page) 9005150298 900509 DR ADOCK 0500 4 6 ppb l

A9004201/SNLICFLR - 1 I\\

L J

D;

-]

,AECM-90/0078 24:

Pcg2 2 2

l Mr. D. C. Illntz (wIo)

.cc Mr. T.. II. Cloninger (w/o)-

1 Mr. R. B. McGehee (w/o)

.i Mr. N..S.

Reynolds (w/o) l Mr.11. L. Thomas (w/o) j

-Mr.11. O. Christensen (w/a)

)

Mr. : Stewart D; Ebneter (w/a) l Regional Administrator i

-U.S.' Nuclear Regulatory Commission eb' Region.11

'-j 101 Marietta St., N.W., Suite 2900

'i Atlanta,~ Georgia 30323 i

Mr.

L.' L. Kintner, Project Manager (w/a)

Office of Nuclear Reactor Regulation-

~j U.S. Nuclear Regulatory Commissica-

=

Mafi Stop 14B20 Washington, D.C.

20555 j!

b T

A9004201/SNI.ICFLR 2

w Lx. '. '