ML19338F519

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Application for Amend to License DPR-44 & DPR-56 Consisting of Change to Tech Specs
ML19338F519
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 10/03/1980
From: Alden W
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML19338F520 List:
References
NUDOCS 8010200458
Download: ML19338F519 (1)


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' PHILADELPHIA ELECTRIC COMPANY 2301 MARKET STREET P.O. BOX 8699 PHILADELPHI A. PA.19101 (21588414o00 October 3, 1980

..Mr. David H. Verrelli Project Manager Operating Reactors Branch #h Directorate.of Licensing U.S. Nuclear Regulatory Comnission 7920 Norfolk Avenue Bethesda, MD 2001h SU3 JECT:- License Anendment Application on Seismic Monitors

Dear Dave:

Enclosed are revised Tables 3 15 and h.15 to reflect the actual installation planned for Peach Bottom. A description of the triaxial response-spectrum recorder follows:

The time-history. recordings of the triaxial time-history accelerographs are done in the~ cable apreading room on a digital cassette accelerograph. In addition to being recorded, the

. containment foundation sensor is analyzed on line by a response spectrum analyzer. The spectrum of any sensor can be obtained by playing back its time-history cassette.through the response

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spectrum analyzer.-

Very truly yours,-

W. M. Alden Engineer-In-Cha ge ~

Nuclear Section Generation Division

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