ML19209C424: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:-IOUISIANA'-P O W E A & L I G H T! A c sox 60C8
{{#Wiki_filter:-
* New CALEA:JS. LOUIStANA 70174 242 ceuacNee sraser (5041 366-2345
  '-
*$25'sEsY$Septembe 28, 1979: m c,-- + m n - = u ,-
IOUISIANA            242 ceuacNee sraser P O W E A & L I G H T! A c sox 60C8
LPL 12062 Q-3-A35.02.01 Mr. K.V. Seyfrit, Director U.S. Nuclear Regulatory Commission Office of Inspection & Enforcement Region IV 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76012  
* New CALEA:JS. LOUIStANA*        70174 (5041 366-2345
$25'sEsY$
Septembe     28, 1979                       : m c, -- + m n - = u ,-
LPL 12062 Q-3-A35.02.01 Mr. K.V. Seyfrit, Director U.S. Nuclear Regulatory Commission Office of Inspection & Enforcement Region IV 611 Ryan Plaza Drive Suite 1000 Arlington, Texas     76012


==SUBJECT:==
==SUBJECT:==
Waterford SES Unit 3
Waterford SES Unit 3                                                                   -
-Docket No. 50-382 Potentially Reportable Incident No. 21" Pressure Transzitter Lift-Off Voltage" Dest Mr. Seyfrit:
Docket No. 50-382 Potentially Reportable Incident No. 21
The sui. ject deficiency describes a lif tof f-voltage problem for Rosemount 1153A tran;,=itters.
            " Pressure Transzitter Lift-Off Voltage" Dest Mr. Seyfrit:
The device will not start up for certain combinations of power supply voltage, tero suppression, ambient temperature, etc.
The sui. ject deficiency describes a lif tof f-voltage problem for Rosemount 1153A tran;,=itters. The device will not start up for certain combinations of power supply voltage, tero suppression, ambient temperature, etc.
In Waterford SES Unit No. 3 applications, the voltage provided to the current loop of the transmitter is 40 volts dc.
In Waterford SES Unit No. 3 applications, the voltage provided to the current loop of the transmitter is 40 volts dc.       Since the lif tof f-voltage problem does not occur if the power supply voltage exceeds 30 volts, we do no.t believe that this failure is a reportable deficiency under 10CFR50.55e.
Since the lif tof f-voltage problem does not occur if the power supply voltage exceeds 30 volts, we do no.t believe that this failure is a reportable deficiency under 10CFR50.55e.
Yours verf truly, 6
Yours verf truly, 6 D.L. Aswell DLA/TFG/ys cc: Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Cocatission Washington, D.C.
D.L. Aswell DLA/TFG/ys cc: Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Cocatission Washington, D.C.
Director Q Office of Management
Director Office of Management                                                     ,-
\Infor=ation and Program Control 1145 043 6O %,-U.S. Nuclear Regulatory Cocalission
                                                                                          \Q Infor=ation and Program Control U.S. Nuclear Regulatory Cocalission                     1145 043                6O %  \
\Washington, D.C.
Washington, D.C.     10555 7 91015 0 Syg                   n b}}
10555 7 91015 0 Syg n b}}

Revision as of 13:34, 19 October 2019

Potential Reportable Incident 21 Re Pressure Transmitter lift-off Voltage Problem.Device Will Not Start in Certain Combinations.Since Problem Does Not Exceed Tech Spec Limits, Failure Should Not Be Classified as RO
ML19209C424
Person / Time
Site: Waterford Entergy icon.png
Issue date: 09/28/1979
From: Aswell D
LOUISIANA POWER & LIGHT CO.
To:
References
LPL-12062, NUDOCS 7910150552
Download: ML19209C424 (1)


Text

-

'-

IOUISIANA 242 ceuacNee sraser P O W E A & L I G H T! A c sox 60C8

  • New CALEA:JS. LOUIStANA* 70174 (5041 366-2345

$25'sEsY$

Septembe 28, 1979  : m c, -- + m n - = u ,-

LPL 12062 Q-3-A35.02.01 Mr. K.V. Seyfrit, Director U.S. Nuclear Regulatory Commission Office of Inspection & Enforcement Region IV 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76012

SUBJECT:

Waterford SES Unit 3 -

Docket No. 50-382 Potentially Reportable Incident No. 21

" Pressure Transzitter Lift-Off Voltage" Dest Mr. Seyfrit:

The sui. ject deficiency describes a lif tof f-voltage problem for Rosemount 1153A tran;,=itters. The device will not start up for certain combinations of power supply voltage, tero suppression, ambient temperature, etc.

In Waterford SES Unit No. 3 applications, the voltage provided to the current loop of the transmitter is 40 volts dc. Since the lif tof f-voltage problem does not occur if the power supply voltage exceeds 30 volts, we do no.t believe that this failure is a reportable deficiency under 10CFR50.55e.

Yours verf truly, 6

D.L. Aswell DLA/TFG/ys cc: Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Cocatission Washington, D.C.

Director Office of Management ,-

\Q Infor=ation and Program Control U.S. Nuclear Regulatory Cocalission 1145 043 6O % \

Washington, D.C. 10555 7 91015 0 Syg n b