ML19317G078

From kanterella
Jump to navigation Jump to search
AO-75-08:B&W Informed Util That Tech Spec Figure 2.3-2 Is in Error.Detailed Rept to Follow within 10 Days
ML19317G078
Person / Time
Site: Rancho Seco
Issue date: 04/30/1975
From: Reinaldo Rodriguez
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317G075 List:
References
RJR-212, NUDOCS 8002210771
Download: ML19317G078 (1)


Text

, m.~

.n-W i: ?-a~ ;??i WWW *R5?

Q:ww's cPMs:

/gG Q W JP"QQ

^

i SACRAMENTO MUNICIPAL UTILIW DISTRICT C'

G201 S Street, Got 15830. Sacramento. Caliromia 95813: (GIG) 452-3211 RJR'75-212 1

April 30, 1975 i

Mr. R.11. Engelken Director of Regulatory Operations Region V NRC Operacions Office 1990 No. California Boulevard Walnut Creek Plaza, Suite-202 lialnut Creek, California-94596 Re: NRC Docket No. 50-312 Rancho Seco Nuclear Cencrating Station, Unit No. 1

' ef

'l g;.. -

/j iE.."' q' Abnormal Occurrence 75-8 l$,,

~g~ 3 CO N. D 1

c::

J

Dear Mr. Engelken:

..e-.=,'..

,l' creicTf c.

.Mi /-

\\ iii;4w_

This is to report-Abnormal occurrence No. 75-8.

',g$h4f/

Or

(

Babcock and Wilcox Company has inforr.ed SMUD that Technical 4

~

Specifications Figure 2.3-2 is in error. The positive icbalance slope should be -2.85 instead of -1.23 and the positive cutoff should be limited to 20% instead of 40%.

t We have adjusted our Reactor Protection Systcc according to the new inforr:ation. A detailed report will be provided within ten days of this notico.

This report is being submitted to you under the requirements of Res;ulatory Guide 1.16, Section C.2.a.(8).

Respectfully, n j,

s.

n R. J. Rodrigue,

.Z Plant Superintendent Rancho Seco Unit 1 Clay Station, California 95638 n

RJR:Mtr:aal j

f

)

u.j 8002210 D [

A ri rir cienc srsir v :.t r yi n c vont i n A ti t o e.c o e : r.

Int step os cati!nt'.:3 s

.